AbletonMCP

Instructions

Implementation Reference

• AbletonMCP_Remote_Script/__init__.py:553-564 (handler)

  The actual implementation of set_tempo that interacts with the Ableton Live song object.

  def _set_tempo(self, tempo):
      """Set the tempo of the session"""
      try:
          self._song.tempo = tempo
          
          result = {
              "tempo": self._song.tempo
          }
          return result
      except Exception as e:
          self.log_message("Error setting tempo: " + str(e))
          raise

• MCP_Server/server.py:347-358 (handler)

  The MCP tool handler that receives the request and calls the _run helper.

  def set_tempo(ctx: Context, tempo: float) -> str:
      """
      Set the tempo of the Ableton session.
  
      Parameters:
      - tempo: The new tempo in BPM
      """
      try:
          _run("set_tempo", {"tempo": tempo})
          return f"Tempo set to {tempo} BPM"
      except Exception as e:
          return f"Error setting tempo: {e}"