Notes MCP Server

Instructions

Implementation Reference

• notes_server.py:145-166 (handler)

  The handler function for the 'update_note' tool. It appends new content to an existing note file, including a timestamp, and returns a confirmation message.

  @mcp.tool()
  def update_note(filename: str, content: str) -> str:
      """
      Update the content of an existing note
      
      Args:
          filename: Note filename
          content: New content (will be appended)
      
      Returns:
          Confirmation message of update
      """
      ensure_notes_dir()
      filepath = os.path.join(NOTES_DIR, filename)
      
      if not os.path.exists(filepath):
          return f"Note '{filename}' not found"
      
      with open(filepath, "a", encoding="utf-8") as f:
          f.write(f"\n\n**Updated:** {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}\n\n{content}\n")
      
      return f"Note '{filename}' updated"