Lightroom Classic MCP

Instructions

Implementation Reference

• src/lightroom_mcp_custom/server.py:380-399 (handler)

  The handler function that retrieves settings for a specific Lightroom develop group.

  async def get_develop_group_settings(
      group: str,
      local_ids: list[int] | None = None,
  ) -> dict[str, Any]:
      """Get only the settings for one named develop group."""
      canonical, parameters = get_group_parameters(group)
      response = await get_develop_settings(local_ids=local_ids)
      settings = response.get("settings") or {}
      if not isinstance(settings, dict):
          raise RuntimeError("Lightroom returned an invalid settings payload")
  
      grouped = {name: settings[name] for name in parameters if name in settings}
      missing = [name for name in parameters if name not in grouped]
      return {
          "group": canonical,
          "local_id": response.get("local_id"),
          "parameter_count": len(parameters),
          "settings": grouped,
          "missing_parameters": missing,
      }

• src/lightroom_mcp_custom/server.py:379-380 (registration)

  Tool registration for get_develop_group_settings.

  @mcp.tool()
  async def get_develop_group_settings(