AbletonMCP

Instructions

Implementation Reference

• AbletonMCP_Remote_Script/__init__.py:344-360 (handler)

  The actual implementation of the tool logic that queries the Ableton Live object model for session info.

  def _get_session_info(self):
      """Get information about the current session"""
      try:
          result = {
              "tempo": self._song.tempo,
              "signature_numerator": self._song.signature_numerator,
              "signature_denominator": self._song.signature_denominator,
              "track_count": len(self._song.tracks),
              "return_track_count": len(self._song.return_tracks),
              "master_track": {
                  "name": "Master",
                  "volume": self._song.master_track.mixer_device.volume.value,
                  "panning": self._song.master_track.mixer_device.panning.value
              }
          }
          return result
      except Exception as e:

• MCP_Server/server.py:228-233 (handler)

  The MCP tool handler that invokes the remote script command via `_run`.

  def get_session_info(ctx: Context) -> str:
      """Get detailed information about the current Ableton session"""
      try:
          return json.dumps(_run("get_session_info"), indent=2)
      except Exception as e:
          return f"Error: {e}"