ReaMCP

Instructions

Implementation Reference

• src/reaper_mcp/server.py:852-864 (handler)

  The tool registration and handler implementation for list_available_fx.

  @mcp.tool()
  def list_available_fx(filter: str | None = None) -> dict[str, Any]:
      """
      List installed FX plugins (VST, VST3, CLAP, and JS/JSFX).
      - filter: optional case-insensitive substring to match against plugin name or type
                e.g. 'fabfilter', 'vst3', 'clap', 'rea', 'comp'
      Returns a list of {name, type} objects and a total count.
      type values: 'VST' (VST2), 'VST3', 'CLAP', 'JS'
      """
      try:
          return _wrap(adapter.list_available_fx(filter=filter))
      except Exception as exc:
          return _err(exc)

• src/reaper_mcp/reaper_adapter.py:465-468 (helper)

  Adapter method that forwards the call to the underlying Reaper client.

  def list_available_fx(
      self, filter: str | None = None
  ) -> dict[str, Any]:
      return self._client.call("list_available_fx", filter=filter)