fn_registry/logs/ardour_mcp_server.log

2026-06-27T18:39:28.172640Z INFO ardour_mcp_server:
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NEW SERVER RUN: Sat, 27 Jun 2026 20:39:28 +0200
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2026-06-27T18:39:28.172668Z INFO ardour_mcp_server: Attempting to create OSC sender for Ardour at 127.0.0.1:3819
2026-06-27T18:39:28.172698Z INFO ardour_mcp_server: OSC sender created and connected to Ardour at 127.0.0.1:3819
2026-06-27T18:39:28.172701Z INFO ardour_mcp_server: Sending /set_surface to Ardour to enable OSC feedback.
2026-06-27T18:39:28.172704Z INFO ardour_mcp_server: Targeting feedback port: 9099
2026-06-27T18:39:28.172863Z INFO ardour_mcp_server: /set_surface command sent successfully to Ardour.
2026-06-27T18:39:28.172975Z ERROR ardour_mcp_server: MCP Server serving error: Custom { kind: UnexpectedEof, error: "expect initialize notification" }
2026-06-27T18:39:39.680650Z INFO ardour_mcp_server:
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NEW SERVER RUN: Sat, 27 Jun 2026 20:39:39 +0200
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2026-06-27T18:39:39.680690Z INFO ardour_mcp_server: Attempting to create OSC sender for Ardour at 127.0.0.1:3819
2026-06-27T18:39:39.680726Z INFO ardour_mcp_server: OSC sender created and connected to Ardour at 127.0.0.1:3819
2026-06-27T18:39:39.680733Z INFO ardour_mcp_server: Sending /set_surface to Ardour to enable OSC feedback.
2026-06-27T18:39:39.680738Z INFO ardour_mcp_server: Targeting feedback port: 9099
2026-06-27T18:39:39.680940Z INFO ardour_mcp_server: /set_surface command sent successfully to Ardour.
2026-06-27T18:39:39.681118Z INFO serve_inner: rmcp::service: Service initialized as server peer_info=InitializeRequestParam { protocol_version: ProtocolVersion("2024-11-05"), capabilities: ClientCapabilities { experimental: None, roots: None, sampling: None }, client_info: Implementation { name: "smoke", version: "0" } }
2026-06-27T18:39:39.681152Z INFO ardour_mcp_server: Ardour MCP server started and waiting for connections...
2026-06-27T18:39:39.681197Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListToolsRequest(Request { method: ListToolsRequestMethod, params: None }), Number(2)))
2026-06-27T18:39:39.681214Z INFO ardour_mcp_server: Starting OSC listener for Ardour events on 127.0.0.1:9099
2026-06-27T18:39:39.681221Z INFO rmcp::service: received request id=2 request=ListToolsRequest(Request { method: ListToolsRequestMethod, params: None })
2026-06-27T18:39:39.681266Z INFO ardour_mcp_server: Tokio UDP socket for OSC bound to 127.0.0.1:9099
2026-06-27T18:39:39.681492Z INFO rmcp::service: response message id=2 result=ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }] })
2026-06-27T18:39:39.681621Z DEBUG rmcp::service: new event evt=ToSink(Response(ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }] }), Number(2)))
2026-06-27T18:39:41.677357Z INFO rmcp::service: input stream terminated
2026-06-27T18:39:41.677397Z INFO rmcp::service: serve finished quit_reason=Closed
2026-06-27T18:39:41.677450Z INFO ardour_mcp_server: Ardour MCP server stopped.
2026-06-28T00:58:01.469430Z INFO ardour_mcp_server:
======================================================================
NEW SERVER RUN: Sun, 28 Jun 2026 02:58:01 +0200
======================================================================
2026-06-28T00:58:01.469465Z INFO ardour_mcp_server: Attempting to create OSC sender for Ardour at 127.0.0.1:3819
2026-06-28T00:58:01.469492Z INFO ardour_mcp_server: OSC sender created and connected to Ardour at 127.0.0.1:3819
2026-06-28T00:58:01.469498Z INFO ardour_mcp_server: Sending /set_surface to Ardour to enable OSC feedback.
2026-06-28T00:58:01.469501Z INFO ardour_mcp_server: Targeting feedback port: 9099
2026-06-28T00:58:01.469617Z INFO ardour_mcp_server: /set_surface command sent successfully to Ardour.
2026-06-28T00:58:01.491839Z INFO ardour_mcp_server:
======================================================================
NEW SERVER RUN: Sun, 28 Jun 2026 02:58:01 +0200
======================================================================
2026-06-28T00:58:01.491877Z INFO ardour_mcp_server: Attempting to create OSC sender for Ardour at 127.0.0.1:3819
2026-06-28T00:58:01.491907Z INFO ardour_mcp_server: OSC sender created and connected to Ardour at 127.0.0.1:3819
2026-06-28T00:58:01.491913Z INFO ardour_mcp_server: Sending /set_surface to Ardour to enable OSC feedback.
2026-06-28T00:58:01.491918Z INFO ardour_mcp_server: Targeting feedback port: 9099
2026-06-28T00:58:01.492061Z INFO ardour_mcp_server: /set_surface command sent successfully to Ardour.
2026-06-28T00:58:01.571711Z INFO serve_inner: rmcp::service: Service initialized as server peer_info=InitializeRequestParam { protocol_version: ProtocolVersion("2025-11-25"), capabilities: ClientCapabilities { experimental: None, roots: Some(RootsCapabilities { list_changed: None }), sampling: None }, client_info: Implementation { name: "claude-code", version: "2.1.195" } }
2026-06-28T00:58:01.571786Z INFO ardour_mcp_server: Ardour MCP server started and waiting for connections...
2026-06-28T00:58:01.571833Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListToolsRequest(Request { method: ListToolsRequestMethod, params: None }), Number(1)))
2026-06-28T00:58:01.571835Z INFO ardour_mcp_server: Starting OSC listener for Ardour events on 127.0.0.1:9099
2026-06-28T00:58:01.571847Z INFO rmcp::service: received request id=1 request=ListToolsRequest(Request { method: ListToolsRequestMethod, params: None })
2026-06-28T00:58:01.571864Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None }), Number(2)))
2026-06-28T00:58:01.571865Z INFO rmcp::service: received request id=2 request=ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None })
2026-06-28T00:58:01.571881Z INFO ardour_mcp_server: Tokio UDP socket for OSC bound to 127.0.0.1:9099
2026-06-28T00:58:01.571885Z DEBUG ardour_mcp_server: Listing resources. Count: 2, Content: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }]
2026-06-28T00:58:01.571892Z INFO rmcp::service: response message id=2 result=ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] })
2026-06-28T00:58:01.571901Z DEBUG rmcp::service: new event evt=ToSink(Response(ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] }), Number(2)))
2026-06-28T00:58:01.572042Z INFO rmcp::service: response message id=1 result=ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }] })
2026-06-28T00:58:01.572118Z DEBUG rmcp::service: new event evt=ToSink(Response(ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }] }), Number(1)))
2026-06-28T00:58:01.589367Z INFO serve_inner: rmcp::service: Service initialized as server peer_info=InitializeRequestParam { protocol_version: ProtocolVersion("2025-11-25"), capabilities: ClientCapabilities { experimental: None, roots: Some(RootsCapabilities { list_changed: None }), sampling: None }, client_info: Implementation { name: "claude-code", version: "2.1.195" } }
2026-06-28T00:58:01.589414Z INFO ardour_mcp_server: Ardour MCP server started and waiting for connections...
2026-06-28T00:58:01.589455Z INFO ardour_mcp_server: Starting OSC listener for Ardour events on 127.0.0.1:9099
2026-06-28T00:58:01.589463Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListToolsRequest(Request { method: ListToolsRequestMethod, params: None }), Number(1)))
2026-06-28T00:58:01.589475Z INFO rmcp::service: received request id=1 request=ListToolsRequest(Request { method: ListToolsRequestMethod, params: None })
2026-06-28T00:58:01.589494Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None }), Number(2)))
2026-06-28T00:58:01.589498Z INFO rmcp::service: received request id=2 request=ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None })
2026-06-28T00:58:01.589515Z DEBUG ardour_mcp_server: Listing resources. Count: 2, Content: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }]
2026-06-28T00:58:01.589519Z ERROR ardour_mcp_server: OSC listener task failed: Failed to bind Tokio UDP socket for OSC on 127.0.0.1:9099: Address already in use (os error 98)
2026-06-28T00:58:01.589524Z INFO rmcp::service: response message id=2 result=ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] })
2026-06-28T00:58:01.589547Z DEBUG rmcp::service: new event evt=ToSink(Response(ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] }), Number(2)))
2026-06-28T00:58:01.589678Z INFO rmcp::service: response message id=1 result=ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }, Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }] })
2026-06-28T00:58:01.589759Z DEBUG rmcp::service: new event evt=ToSink(Response(ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }, Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }] }), Number(1)))
2026-06-28T01:13:35.444743Z INFO ardour_mcp_server:
======================================================================
NEW SERVER RUN: Sun, 28 Jun 2026 03:13:35 +0200
======================================================================
2026-06-28T01:13:35.444781Z INFO ardour_mcp_server: Attempting to create OSC sender for Ardour at 127.0.0.1:3819
2026-06-28T01:13:35.444811Z INFO ardour_mcp_server: OSC sender created and connected to Ardour at 127.0.0.1:3819
2026-06-28T01:13:35.444818Z INFO ardour_mcp_server: Sending /set_surface to Ardour to enable OSC feedback.
2026-06-28T01:13:35.444823Z INFO ardour_mcp_server: Targeting feedback port: 9099
2026-06-28T01:13:35.444981Z INFO ardour_mcp_server: /set_surface command sent successfully to Ardour.
2026-06-28T01:13:35.528971Z INFO serve_inner: rmcp::service: Service initialized as server peer_info=InitializeRequestParam { protocol_version: ProtocolVersion("2025-11-25"), capabilities: ClientCapabilities { experimental: None, roots: Some(RootsCapabilities { list_changed: None }), sampling: None }, client_info: Implementation { name: "claude-code", version: "2.1.195" } }
2026-06-28T01:13:35.529031Z INFO ardour_mcp_server: Ardour MCP server started and waiting for connections...
2026-06-28T01:13:35.529092Z INFO ardour_mcp_server: Starting OSC listener for Ardour events on 127.0.0.1:9099
2026-06-28T01:13:35.529099Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListToolsRequest(Request { method: ListToolsRequestMethod, params: None }), Number(1)))
2026-06-28T01:13:35.529112Z INFO rmcp::service: received request id=1 request=ListToolsRequest(Request { method: ListToolsRequestMethod, params: None })
2026-06-28T01:13:35.529134Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None }), Number(2)))
2026-06-28T01:13:35.529138Z INFO rmcp::service: received request id=2 request=ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None })
2026-06-28T01:13:35.529155Z ERROR ardour_mcp_server: OSC listener task failed: Failed to bind Tokio UDP socket for OSC on 127.0.0.1:9099: Address already in use (os error 98)
2026-06-28T01:13:35.529155Z DEBUG ardour_mcp_server: Listing resources. Count: 2, Content: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }]
2026-06-28T01:13:35.529165Z INFO rmcp::service: response message id=2 result=ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] })
2026-06-28T01:13:35.529177Z DEBUG rmcp::service: new event evt=ToSink(Response(ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] }), Number(2)))
2026-06-28T01:13:35.529306Z INFO rmcp::service: response message id=1 result=ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }] })
2026-06-28T01:13:35.529390Z DEBUG rmcp::service: new event evt=ToSink(Response(ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }] }), Number(1)))
2026-06-28T05:00:55.902274Z INFO ardour_mcp_server:
======================================================================
NEW SERVER RUN: Sun, 28 Jun 2026 07:00:55 +0200
======================================================================
2026-06-28T05:00:55.902312Z INFO ardour_mcp_server: Attempting to create OSC sender for Ardour at 127.0.0.1:3819
2026-06-28T05:00:55.902347Z INFO ardour_mcp_server: OSC sender created and connected to Ardour at 127.0.0.1:3819
2026-06-28T05:00:55.902350Z INFO ardour_mcp_server: Sending /set_surface to Ardour to enable OSC feedback.
2026-06-28T05:00:55.902355Z INFO ardour_mcp_server: Targeting feedback port: 9099
2026-06-28T05:00:55.902516Z INFO ardour_mcp_server: /set_surface command sent successfully to Ardour.
2026-06-28T05:00:55.960968Z INFO serve_inner: rmcp::service: Service initialized as server peer_info=InitializeRequestParam { protocol_version: ProtocolVersion("2025-11-25"), capabilities: ClientCapabilities { experimental: None, roots: Some(RootsCapabilities { list_changed: None }), sampling: None }, client_info: Implementation { name: "claude-code", version: "2.1.195" } }
2026-06-28T05:00:55.961003Z INFO ardour_mcp_server: Ardour MCP server started and waiting for connections...
2026-06-28T05:00:55.961065Z INFO ardour_mcp_server: Starting OSC listener for Ardour events on 127.0.0.1:9099
2026-06-28T05:00:55.961081Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListToolsRequest(Request { method: ListToolsRequestMethod, params: None }), Number(1)))
2026-06-28T05:00:55.961097Z INFO rmcp::service: received request id=1 request=ListToolsRequest(Request { method: ListToolsRequestMethod, params: None })
2026-06-28T05:00:55.961114Z ERROR ardour_mcp_server: OSC listener task failed: Failed to bind Tokio UDP socket for OSC on 127.0.0.1:9099: Address already in use (os error 98)
2026-06-28T05:00:55.961124Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None }), Number(2)))
2026-06-28T05:00:55.961128Z INFO rmcp::service: received request id=2 request=ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None })
2026-06-28T05:00:55.961143Z DEBUG ardour_mcp_server: Listing resources. Count: 2, Content: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }]
2026-06-28T05:00:55.961152Z INFO rmcp::service: response message id=2 result=ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] })
2026-06-28T05:00:55.961162Z DEBUG rmcp::service: new event evt=ToSink(Response(ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] }), Number(2)))
2026-06-28T05:00:55.961255Z INFO rmcp::service: response message id=1 result=ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }] })
2026-06-28T05:00:55.961346Z DEBUG rmcp::service: new event evt=ToSink(Response(ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }] }), Number(1)))
2026-06-28T05:07:12.520034Z INFO ardour_mcp_server:
======================================================================
NEW SERVER RUN: Sun, 28 Jun 2026 07:07:12 +0200
======================================================================
2026-06-28T05:07:12.520078Z INFO ardour_mcp_server: Attempting to create OSC sender for Ardour at 127.0.0.1:3819
2026-06-28T05:07:12.520108Z INFO ardour_mcp_server: OSC sender created and connected to Ardour at 127.0.0.1:3819
2026-06-28T05:07:12.520114Z INFO ardour_mcp_server: Sending /set_surface to Ardour to enable OSC feedback.
2026-06-28T05:07:12.520118Z INFO ardour_mcp_server: Targeting feedback port: 9099
2026-06-28T05:07:12.520290Z INFO ardour_mcp_server: /set_surface command sent successfully to Ardour.
2026-06-28T05:07:12.582391Z INFO serve_inner: rmcp::service: Service initialized as server peer_info=InitializeRequestParam { protocol_version: ProtocolVersion("2025-11-25"), capabilities: ClientCapabilities { experimental: None, roots: Some(RootsCapabilities { list_changed: None }), sampling: None }, client_info: Implementation { name: "claude-code", version: "2.1.195" } }
2026-06-28T05:07:12.582424Z INFO ardour_mcp_server: Ardour MCP server started and waiting for connections...
2026-06-28T05:07:12.582456Z INFO ardour_mcp_server: Starting OSC listener for Ardour events on 127.0.0.1:9099
2026-06-28T05:07:12.582465Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListToolsRequest(Request { method: ListToolsRequestMethod, params: None }), Number(1)))
2026-06-28T05:07:12.582484Z INFO rmcp::service: received request id=1 request=ListToolsRequest(Request { method: ListToolsRequestMethod, params: None })
2026-06-28T05:07:12.582505Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None }), Number(2)))
2026-06-28T05:07:12.582510Z INFO rmcp::service: received request id=2 request=ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None })
2026-06-28T05:07:12.582511Z ERROR ardour_mcp_server: OSC listener task failed: Failed to bind Tokio UDP socket for OSC on 127.0.0.1:9099: Address already in use (os error 98)
2026-06-28T05:07:12.582527Z DEBUG ardour_mcp_server: Listing resources. Count: 2, Content: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }]
2026-06-28T05:07:12.582544Z INFO rmcp::service: response message id=2 result=ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] })
2026-06-28T05:07:12.582556Z DEBUG rmcp::service: new event evt=ToSink(Response(ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] }), Number(2)))
2026-06-28T05:07:12.582615Z INFO rmcp::service: response message id=1 result=ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }] })
2026-06-28T05:07:12.582717Z DEBUG rmcp::service: new event evt=ToSink(Response(ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }] }), Number(1)))
2026-06-28T11:59:32.608680Z INFO ardour_mcp_server:
======================================================================
NEW SERVER RUN: Sun, 28 Jun 2026 13:59:32 +0200
======================================================================
2026-06-28T11:59:32.608708Z INFO ardour_mcp_server: Attempting to create OSC sender for Ardour at 127.0.0.1:3819
2026-06-28T11:59:32.608729Z INFO ardour_mcp_server: OSC sender created and connected to Ardour at 127.0.0.1:3819
2026-06-28T11:59:32.608737Z INFO ardour_mcp_server: Sending /set_surface to Ardour to enable OSC feedback.
2026-06-28T11:59:32.608739Z INFO ardour_mcp_server: Targeting feedback port: 9099
2026-06-28T11:59:32.608884Z INFO ardour_mcp_server: /set_surface command sent successfully to Ardour.
2026-06-28T11:59:32.665313Z INFO serve_inner: rmcp::service: Service initialized as server peer_info=InitializeRequestParam { protocol_version: ProtocolVersion("2025-11-25"), capabilities: ClientCapabilities { experimental: None, roots: Some(RootsCapabilities { list_changed: None }), sampling: None }, client_info: Implementation { name: "claude-code", version: "2.1.195" } }
2026-06-28T11:59:32.665353Z INFO ardour_mcp_server: Ardour MCP server started and waiting for connections...
2026-06-28T11:59:32.665386Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListToolsRequest(Request { method: ListToolsRequestMethod, params: None }), Number(1)))
2026-06-28T11:59:32.665397Z INFO rmcp::service: received request id=1 request=ListToolsRequest(Request { method: ListToolsRequestMethod, params: None })
2026-06-28T11:59:32.665405Z INFO ardour_mcp_server: Starting OSC listener for Ardour events on 127.0.0.1:9099
2026-06-28T11:59:32.665414Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None }), Number(2)))
2026-06-28T11:59:32.665417Z INFO rmcp::service: received request id=2 request=ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None })
2026-06-28T11:59:32.665437Z DEBUG ardour_mcp_server: Listing resources. Count: 2, Content: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }]
2026-06-28T11:59:32.665450Z ERROR ardour_mcp_server: OSC listener task failed: Failed to bind Tokio UDP socket for OSC on 127.0.0.1:9099: Address already in use (os error 98)
2026-06-28T11:59:32.665448Z INFO rmcp::service: response message id=2 result=ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] })
2026-06-28T11:59:32.665462Z DEBUG rmcp::service: new event evt=ToSink(Response(ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] }), Number(2)))
2026-06-28T11:59:32.665583Z INFO rmcp::service: response message id=1 result=ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }] })
2026-06-28T11:59:32.665668Z DEBUG rmcp::service: new event evt=ToSink(Response(ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }] }), Number(1)))
2026-06-28T12:55:07.087209Z INFO ardour_mcp_server:
======================================================================
NEW SERVER RUN: Sun, 28 Jun 2026 14:55:07 +0200
======================================================================
2026-06-28T12:55:07.087249Z INFO ardour_mcp_server: Attempting to create OSC sender for Ardour at 127.0.0.1:3819
2026-06-28T12:55:07.087283Z INFO ardour_mcp_server: OSC sender created and connected to Ardour at 127.0.0.1:3819
2026-06-28T12:55:07.087289Z INFO ardour_mcp_server: Sending /set_surface to Ardour to enable OSC feedback.
2026-06-28T12:55:07.087295Z INFO ardour_mcp_server: Targeting feedback port: 9099
2026-06-28T12:55:07.087454Z INFO ardour_mcp_server: /set_surface command sent successfully to Ardour.
2026-06-28T12:55:07.164128Z INFO serve_inner: rmcp::service: Service initialized as server peer_info=InitializeRequestParam { protocol_version: ProtocolVersion("2025-11-25"), capabilities: ClientCapabilities { experimental: None, roots: Some(RootsCapabilities { list_changed: None }), sampling: None }, client_info: Implementation { name: "claude-code", version: "2.1.195" } }
2026-06-28T12:55:07.164184Z INFO ardour_mcp_server: Ardour MCP server started and waiting for connections...
2026-06-28T12:55:07.164225Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListToolsRequest(Request { method: ListToolsRequestMethod, params: None }), Number(1)))
2026-06-28T12:55:07.164231Z INFO ardour_mcp_server: Starting OSC listener for Ardour events on 127.0.0.1:9099
2026-06-28T12:55:07.164255Z INFO rmcp::service: received request id=1 request=ListToolsRequest(Request { method: ListToolsRequestMethod, params: None })
2026-06-28T12:55:07.164274Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None }), Number(2)))
2026-06-28T12:55:07.164277Z INFO rmcp::service: received request id=2 request=ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None })
2026-06-28T12:55:07.164288Z ERROR ardour_mcp_server: OSC listener task failed: Failed to bind Tokio UDP socket for OSC on 127.0.0.1:9099: Address already in use (os error 98)
2026-06-28T12:55:07.164293Z DEBUG ardour_mcp_server: Listing resources. Count: 2, Content: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }]
2026-06-28T12:55:07.164302Z INFO rmcp::service: response message id=2 result=ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] })
2026-06-28T12:55:07.164312Z DEBUG rmcp::service: new event evt=ToSink(Response(ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] }), Number(2)))
2026-06-28T12:55:07.164437Z INFO rmcp::service: response message id=1 result=ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }] })
2026-06-28T12:55:07.164510Z DEBUG rmcp::service: new event evt=ToSink(Response(ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }] }), Number(1)))
2026-06-28T13:44:55.686725Z INFO ardour_mcp_server:
======================================================================
NEW SERVER RUN: Sun, 28 Jun 2026 15:44:55 +0200
======================================================================
2026-06-28T13:44:55.686904Z INFO ardour_mcp_server: Attempting to create OSC sender for Ardour at 127.0.0.1:3819
2026-06-28T13:44:55.686967Z INFO ardour_mcp_server: OSC sender created and connected to Ardour at 127.0.0.1:3819
2026-06-28T13:44:55.686977Z INFO ardour_mcp_server: Sending /set_surface to Ardour to enable OSC feedback.
2026-06-28T13:44:55.686983Z INFO ardour_mcp_server: Targeting feedback port: 9099
2026-06-28T13:44:55.687168Z INFO ardour_mcp_server: /set_surface command sent successfully to Ardour.
2026-06-28T13:44:55.746636Z INFO serve_inner: rmcp::service: Service initialized as server peer_info=InitializeRequestParam { protocol_version: ProtocolVersion("2025-11-25"), capabilities: ClientCapabilities { experimental: None, roots: Some(RootsCapabilities { list_changed: None }), sampling: None }, client_info: Implementation { name: "claude-code", version: "2.1.195" } }
2026-06-28T13:44:55.746713Z INFO ardour_mcp_server: Ardour MCP server started and waiting for connections...
2026-06-28T13:44:55.746749Z INFO ardour_mcp_server: Starting OSC listener for Ardour events on 127.0.0.1:9099
2026-06-28T13:44:55.746772Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListToolsRequest(Request { method: ListToolsRequestMethod, params: None }), Number(1)))
2026-06-28T13:44:55.746782Z INFO rmcp::service: received request id=1 request=ListToolsRequest(Request { method: ListToolsRequestMethod, params: None })
2026-06-28T13:44:55.746793Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None }), Number(2)))
2026-06-28T13:44:55.746791Z ERROR ardour_mcp_server: OSC listener task failed: Failed to bind Tokio UDP socket for OSC on 127.0.0.1:9099: Address already in use (os error 98)
2026-06-28T13:44:55.746795Z INFO rmcp::service: received request id=2 request=ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None })
2026-06-28T13:44:55.746804Z DEBUG ardour_mcp_server: Listing resources. Count: 2, Content: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }]
2026-06-28T13:44:55.746816Z INFO rmcp::service: response message id=2 result=ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] })
2026-06-28T13:44:55.746822Z DEBUG rmcp::service: new event evt=ToSink(Response(ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] }), Number(2)))
2026-06-28T13:44:55.746945Z INFO rmcp::service: response message id=1 result=ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }] })
2026-06-28T13:44:55.747015Z DEBUG rmcp::service: new event evt=ToSink(Response(ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }] }), Number(1)))
2026-06-28T14:49:59.132937Z INFO ardour_mcp_server:
======================================================================
NEW SERVER RUN: Sun, 28 Jun 2026 16:49:59 +0200
======================================================================
2026-06-28T14:49:59.132971Z INFO ardour_mcp_server: Attempting to create OSC sender for Ardour at 127.0.0.1:3819
2026-06-28T14:49:59.132990Z INFO ardour_mcp_server: OSC sender created and connected to Ardour at 127.0.0.1:3819
2026-06-28T14:49:59.132992Z INFO ardour_mcp_server: Sending /set_surface to Ardour to enable OSC feedback.
2026-06-28T14:49:59.132995Z INFO ardour_mcp_server: Targeting feedback port: 9099
2026-06-28T14:49:59.133082Z INFO ardour_mcp_server: /set_surface command sent successfully to Ardour.
2026-06-28T14:49:59.173642Z INFO serve_inner: rmcp::service: Service initialized as server peer_info=InitializeRequestParam { protocol_version: ProtocolVersion("2025-11-25"), capabilities: ClientCapabilities { experimental: None, roots: Some(RootsCapabilities { list_changed: None }), sampling: None }, client_info: Implementation { name: "claude-code", version: "2.1.195" } }
2026-06-28T14:49:59.173687Z INFO ardour_mcp_server: Ardour MCP server started and waiting for connections...
2026-06-28T14:49:59.173710Z INFO ardour_mcp_server: Starting OSC listener for Ardour events on 127.0.0.1:9099
2026-06-28T14:49:59.173716Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListToolsRequest(Request { method: ListToolsRequestMethod, params: None }), Number(1)))
2026-06-28T14:49:59.173724Z INFO rmcp::service: received request id=1 request=ListToolsRequest(Request { method: ListToolsRequestMethod, params: None })
2026-06-28T14:49:59.173735Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None }), Number(2)))
2026-06-28T14:49:59.173736Z INFO rmcp::service: received request id=2 request=ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None })
2026-06-28T14:49:59.173745Z DEBUG ardour_mcp_server: Listing resources. Count: 2, Content: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }]
2026-06-28T14:49:59.173751Z INFO rmcp::service: response message id=2 result=ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] })
2026-06-28T14:49:59.173754Z ERROR ardour_mcp_server: OSC listener task failed: Failed to bind Tokio UDP socket for OSC on 127.0.0.1:9099: Address already in use (os error 98)
2026-06-28T14:49:59.173758Z DEBUG rmcp::service: new event evt=ToSink(Response(ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] }), Number(2)))
2026-06-28T14:49:59.173840Z INFO rmcp::service: response message id=1 result=ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }] })
2026-06-28T14:49:59.173885Z DEBUG rmcp::service: new event evt=ToSink(Response(ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }] }), Number(1)))
2026-06-28T15:08:27.896841Z INFO ardour_mcp_server:
======================================================================
NEW SERVER RUN: Sun, 28 Jun 2026 17:08:27 +0200
======================================================================
2026-06-28T15:08:27.896878Z INFO ardour_mcp_server: Attempting to create OSC sender for Ardour at 127.0.0.1:3819
2026-06-28T15:08:27.896913Z INFO ardour_mcp_server: OSC sender created and connected to Ardour at 127.0.0.1:3819
2026-06-28T15:08:27.896916Z INFO ardour_mcp_server: Sending /set_surface to Ardour to enable OSC feedback.
2026-06-28T15:08:27.896923Z INFO ardour_mcp_server: Targeting feedback port: 9099
2026-06-28T15:08:27.897224Z INFO ardour_mcp_server: /set_surface command sent successfully to Ardour.
2026-06-28T15:08:27.931999Z INFO serve_inner: rmcp::service: Service initialized as server peer_info=InitializeRequestParam { protocol_version: ProtocolVersion("2025-11-25"), capabilities: ClientCapabilities { experimental: None, roots: Some(RootsCapabilities { list_changed: None }), sampling: None }, client_info: Implementation { name: "claude-code", version: "2.1.195" } }
2026-06-28T15:08:27.932058Z INFO ardour_mcp_server: Ardour MCP server started and waiting for connections...
2026-06-28T15:08:27.932087Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListToolsRequest(Request { method: ListToolsRequestMethod, params: None }), Number(1)))
2026-06-28T15:08:27.932088Z INFO ardour_mcp_server: Starting OSC listener for Ardour events on 127.0.0.1:9099
2026-06-28T15:08:27.932097Z INFO rmcp::service: received request id=1 request=ListToolsRequest(Request { method: ListToolsRequestMethod, params: None })
2026-06-28T15:08:27.932117Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None }), Number(2)))
2026-06-28T15:08:27.932119Z INFO rmcp::service: received request id=2 request=ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None })
2026-06-28T15:08:27.932129Z DEBUG ardour_mcp_server: Listing resources. Count: 2, Content: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }]
2026-06-28T15:08:27.932130Z ERROR ardour_mcp_server: OSC listener task failed: Failed to bind Tokio UDP socket for OSC on 127.0.0.1:9099: Address already in use (os error 98)
2026-06-28T15:08:27.932134Z INFO rmcp::service: response message id=2 result=ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] })
2026-06-28T15:08:27.932142Z DEBUG rmcp::service: new event evt=ToSink(Response(ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] }), Number(2)))
2026-06-28T15:08:27.932276Z INFO rmcp::service: response message id=1 result=ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }] })
2026-06-28T15:08:27.932354Z DEBUG rmcp::service: new event evt=ToSink(Response(ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }] }), Number(1)))
2026-06-28T15:53:29.441762Z INFO ardour_mcp_server:
======================================================================
NEW SERVER RUN: Sun, 28 Jun 2026 17:53:29 +0200
======================================================================
2026-06-28T15:53:29.441834Z INFO ardour_mcp_server: Attempting to create OSC sender for Ardour at 127.0.0.1:3819
2026-06-28T15:53:29.441878Z INFO ardour_mcp_server: OSC sender created and connected to Ardour at 127.0.0.1:3819
2026-06-28T15:53:29.441885Z INFO ardour_mcp_server: Sending /set_surface to Ardour to enable OSC feedback.
2026-06-28T15:53:29.441890Z INFO ardour_mcp_server: Targeting feedback port: 9099
2026-06-28T15:53:29.442095Z INFO ardour_mcp_server: /set_surface command sent successfully to Ardour.
2026-06-28T15:53:29.517520Z INFO serve_inner: rmcp::service: Service initialized as server peer_info=InitializeRequestParam { protocol_version: ProtocolVersion("2025-11-25"), capabilities: ClientCapabilities { experimental: None, roots: Some(RootsCapabilities { list_changed: None }), sampling: None }, client_info: Implementation { name: "claude-code", version: "2.1.195" } }
2026-06-28T15:53:29.517587Z INFO ardour_mcp_server: Ardour MCP server started and waiting for connections...
2026-06-28T15:53:29.517638Z INFO ardour_mcp_server: Starting OSC listener for Ardour events on 127.0.0.1:9099
2026-06-28T15:53:29.517645Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListToolsRequest(Request { method: ListToolsRequestMethod, params: None }), Number(1)))
2026-06-28T15:53:29.517698Z INFO rmcp::service: received request id=1 request=ListToolsRequest(Request { method: ListToolsRequestMethod, params: None })
2026-06-28T15:53:29.517724Z DEBUG rmcp::service: new event evt=PeerMessage(Request(ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None }), Number(2)))
2026-06-28T15:53:29.517728Z INFO rmcp::service: received request id=2 request=ListResourcesRequest(Request { method: ListResourcesRequestMethod, params: None })
2026-06-28T15:53:29.517731Z ERROR ardour_mcp_server: OSC listener task failed: Failed to bind Tokio UDP socket for OSC on 127.0.0.1:9099: Address already in use (os error 98)
2026-06-28T15:53:29.517761Z DEBUG ardour_mcp_server: Listing resources. Count: 2, Content: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }]
2026-06-28T15:53:29.517773Z INFO rmcp::service: response message id=2 result=ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] })
2026-06-28T15:53:29.517786Z DEBUG rmcp::service: new event evt=ToSink(Response(ListResourcesResult(ListResourcesResult { next_cursor: None, resources: [Annotated { raw: RawResource { uri: "ardour:/state/playback", name: "Ardour Playback State", description: Some("Current playback state of Ardour (e.g., Playing, Stopped, Unknown)."), mime_type: None, size: None }, annotations: None }, Annotated { raw: RawResource { uri: "ardour:/state/transport_frame", name: "Ardour Transport Frame Position", description: Some("Current playhead position in samples. Returns 'Unknown' if not yet reported by Ardour."), mime_type: None, size: None }, annotations: None }] }), Number(2)))
2026-06-28T15:53:29.517919Z INFO rmcp::service: response message id=1 result=ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }] })
2026-06-28T15:53:29.518002Z DEBUG rmcp::service: new event evt=ToSink(Response(ListToolsResult(ListToolsResult { next_cursor: None, tools: [Tool { name: "set_track_solo", description: "Sets the solo state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "solo_st": Object {"description": String("The desired solo state. 0 for solo off, 1 for solo on."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rid"), String("solo_st")], "title": String("SetTrackSoloArgs"), "type": String("object")} }, Tool { name: "next_marker", description: "Moves the playhead to the next location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "undo", description: "Undoes the last action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "transport_stop", description: "Stops Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_rec_enable", description: "Sets the record enable state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rec_st": Object {"description": String("The desired record enable state. 0 for off, 1 for on."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("rec_st"), String("rid")], "title": String("SetTrackRecEnableArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_active", description: "Activates or deactivates a plugin on a specific strip slot.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"active_state": Object {"description": String("The desired activation state (true for active, false for inactive)."), "type": String("boolean")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("active_state"), String("plugin_slot"), String("rid")], "title": String("SetStripPluginActiveArgs"), "type": String("object")} }, Tool { name: "set_strip_plugin_parameter", description: "Sets a specific parameter of a plugin on a strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"param_id": Object {"description": String("The 1-indexed ID of the parameter within the plugin."), "format": String("int32"), "type": String("integer")}, "plugin_slot": Object {"description": String("The 1-indexed slot of the plugin on the strip."), "format": String("int32"), "type": String("integer")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "value": Object {"description": String("The desired parameter value, normalized (0.0 to 1.0)."), "format": String("float"), "type": String("number")}}, "required": Array [String("param_id"), String("plugin_slot"), String("rid"), String("value")], "title": String("SetStripPluginParameterArgs"), "type": String("object")} }, Tool { name: "transport_play", description: "Starts Ardour playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "locate", description: "Locates the playhead to a specific sample position and optionally starts playback.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"roll": Object {"description": String("Whether to start playing after locating. 0 for stop, 1 for play."), "format": String("int32"), "type": String("integer")}, "spos": Object {"description": String("The position in samples to locate to."), "format": String("int64"), "type": String("integer")}}, "required": Array [String("roll"), String("spos")], "title": String("LocateToolArgs"), "type": String("object")} }, Tool { name: "set_track_gain_db", description: "Sets the gain of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_db": Object {"description": String("The desired gain in dB. Valid range: -400.0 to 6.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_db"), String("rid")], "title": String("SetTrackGainDBArgs"), "type": String("object")} }, Tool { name: "toggle_all_rec_enables", description: "Toggles the record enable state for ALL tracks.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "prev_marker", description: "Moves the playhead to the previous location marker.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_trim_db", description: "Sets the trim of a specific track in dB.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_db": Object {"description": String("The desired trim in dB. Valid range: -20.0 to 20.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_db")], "title": String("SetTrackTrimDBArgs"), "type": String("object")} }, Tool { name: "save_state", description: "Saves the current session state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_track_gain_abs", description: "Sets the absolute gain of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"gain_abs": Object {"description": String("The desired absolute gain. Valid range: 0.0 to 2.0."), "format": String("float"), "type": String("number")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("gain_abs"), String("rid")], "title": String("SetTrackGainAbsArgs"), "type": String("object")} }, Tool { name: "loop_toggle", description: "Toggles loop playback mode.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "add_marker", description: "Adds a location marker at the current playhead position.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "redo", description: "Redoes the last undone action.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "toggle_punch_in", description: "Toggles the Punch In state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "rec_enable_toggle", description: "Toggles the master record enable or selected track record enable.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "ffwd", description: "Fast forwards the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_strip_pan_stereo_width", description: "Sets the stereo width for a panner on a stereo strip.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the stereo track/bus."), "format": String("int32"), "type": String("integer")}, "width": Object {"description": String("The desired stereo width. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("width")], "title": String("SetStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "set_track_mute", description: "Sets the mute state of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"mute_state": Object {"description": String("The desired mute state (true for mute, false for unmute)."), "type": String("boolean")}, "rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}}, "required": Array [String("mute_state"), String("rid")], "title": String("SetTrackMuteArgs"), "type": String("object")} }, Tool { name: "set_selected_strip_pan_stereo_width", description: "Sets the stereo width for the currently selected stereo strip's panner.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"width": Object {"description": String("The desired stereo width for the currently selected strip. Valid range: 0.0 to 1.0. Default is 1.0 (full width)."), "format": String("float"), "type": String("number")}}, "required": Array [String("width")], "title": String("SetSelectedStripPanStereoWidthArgs"), "type": String("object")} }, Tool { name: "goto_end", description: "Moves the playhead to the session end.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "access_action", description: "Executes a specified Ardour menu action by its name.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"action_name": Object {"description": String("The name of the Ardour menu action to execute (e.g., 'Editor/zoom-to-session')."), "type": String("string")}}, "required": Array [String("action_name")], "title": String("AccessActionArgs"), "type": String("object")} }, Tool { name: "set_track_trim_abs", description: "Sets the absolute trim of a specific track.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus."), "format": String("int32"), "type": String("integer")}, "trim_abs": Object {"description": String("The desired absolute trim. Valid range: 0.1 to 10.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("rid"), String("trim_abs")], "title": String("SetTrackTrimAbsArgs"), "type": String("object")} }, Tool { name: "rewind", description: "Rewinds the transport.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "select_strip", description: "Selects a specific strip (track/bus) in Ardour.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"rid": Object {"description": String("The Router ID (rid) of the track/bus to select."), "format": String("int32"), "type": String("integer")}, "select_state": Object {"description": String("The desired select state (true to select). Currently, only true (1) is effective for selection."), "type": String("boolean")}}, "required": Array [String("rid"), String("select_state")], "title": String("SelectStripArgs"), "type": String("object")} }, Tool { name: "goto_start", description: "Moves the playhead to the session start.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }, Tool { name: "set_transport_speed", description: "Sets Ardour's transport speed. Valid range: -8.0 to 8.0.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "properties": Object {"speed": Object {"description": String("The desired transport speed. Valid range: -8.0 to 8.0."), "format": String("float"), "type": String("number")}}, "required": Array [String("speed")], "title": String("SetTransportSpeedArgs"), "type": String("object")} }, Tool { name: "toggle_punch_out", description: "Toggles the Punch Out state.", input_schema: {"$schema": String("http://json-schema.org/draft-07/schema#"), "title": String("EmptyObject"), "type": String("object")} }] }), Number(1)))