ReaMCP

Instructions

Implementation Reference

• src/reaper_mcp/server.py:618-637 (handler)

  The MCP tool registration and handler implementation for set_tempo, which calls the ReaperAdapter.set_tempo method.

  def set_tempo(
      bpm: float,
      time_sig_num: int | None = None,
      time_sig_denom: int | None = None,
  ) -> dict[str, Any]:
      """
      Set the project tempo (and optionally time signature).
      - bpm: beats per minute
      - time_sig_num / time_sig_denom: e.g. 3, 4 for 3/4 time
      """
      try:
          return _wrap(
              adapter.set_tempo(
                  bpm=bpm,
                  time_sig_num=time_sig_num,
                  time_sig_denom=time_sig_denom,
              )
          )
      except Exception as exc:
          return _err(exc)

• src/reaper_mcp/reaper_adapter.py:359-370 (helper)

  The ReaperAdapter method set_tempo which communicates with the bridge client to execute the tempo change in REAPER.

  def set_tempo(
      self,
      bpm: float,
      time_sig_num: int | None = None,
      time_sig_denom: int | None = None,
  ) -> dict[str, Any]:
      return self._client.call(
          "set_tempo",
          bpm=bpm,
          time_sig_num=time_sig_num,
          time_sig_denom=time_sig_denom,
      )