AbletonMCP

Instructions

Implementation Reference

• MCP_Server/server.py:361-379 (handler)

  The handler function that registers the 'load_instrument_or_effect' tool and invokes the internal 'load_browser_item' command.

  @mcp.tool()
  def load_instrument_or_effect(ctx: Context, track_index: int, uri: str) -> str:
      """
      Load an instrument or effect onto a track using its URI.
  
      Parameters:
      - track_index: The index of the track to load the instrument on
      - uri: The URI of the instrument or effect to load
      """
      try:
          result = _run("load_browser_item", {
              "track_index": track_index,
              "item_uri": uri
          })
          if result.get("loaded", False):
              devices = result.get("new_devices") or result.get("devices_after", [])
              return f"Loaded '{uri}' on track {track_index}. Devices: {', '.join(devices)}"
          return f"Failed to load '{uri}'"
      except Exception as e: