Trello MCP Server with Python

Instructions

Update an existing checklist.

Args:
    checklist_id (str): The ID of the checklist to update
    name (Optional[str]): New name for the checklist
    pos (Optional[str]): New position for the checklist

Returns:
    Dict: The updated checklist data

Implementation Reference

• server/tools/checklist.py:56-70 (handler)

  MCP tool handler function for 'update_checklist'. Delegates to ChecklistService.update_checklist.

  async def update_checklist(
      checklist_id: str, name: str | None = None, pos: str | None = None
  ) -> Dict:
      """
      Update an existing checklist.
  
      Args:
          checklist_id (str): The ID of the checklist to update
          name (Optional[str]): New name for the checklist
          pos (Optional[str]): New position for the checklist
  
      Returns:
          Dict: The updated checklist data
      """
      return await service.update_checklist(checklist_id, name, pos)

• server/tools/tools.py:34-34 (registration)

  Registration of the 'update_checklist' tool in the MCP server.

  mcp.add_tool(checklist.update_checklist)

• server/services/checklist.py:60-79 (helper)

  ChecklistService method implementing the update_checklist logic by calling Trello API.

  async def update_checklist(
      self, checklist_id: str, name: str | None = None, pos: str | None = None
  ) -> Dict:
      """
      Update an existing checklist.
  
      Args:
          checklist_id (str): The ID of the checklist to update
          name (Optional[str]): New name for the checklist
          pos (Optional[str]): New position for the checklist
  
      Returns:
          Dict: The updated checklist data
      """
      data = {}
      if name:
          data["name"] = name
      if pos:
          data["pos"] = pos
      return await self.client.PUT(f"/checklists/{checklist_id}", data=data)