GitLab MCP Code Review

Instructions

Reply to a merge request discussion.

Args:
    project_id: The GitLab project ID or URL-encoded path
    merge_request_iid: The merge request IID (project-specific ID)
    discussion_id: The ID of the discussion to reply to
    body: The reply text
Returns:
    Dict containing the created note information

Implementation Reference

• server.py:406-426 (handler)

  The @mcp.tool()-decorated handler function that implements the logic to reply to a GitLab merge request discussion by creating a note on the specified discussion.

  @mcp.tool()
  def reply_to_merge_request_discussion(ctx: Context, project_id: str, merge_request_iid: str, discussion_id: str, body: str) -> Dict[str, Any]:
      """
      Reply to a merge request discussion.
      
      Args:
          project_id: The GitLab project ID or URL-encoded path
          merge_request_iid: The merge request IID (project-specific ID)
          discussion_id: The ID of the discussion to reply to
          body: The reply text
      Returns:
          Dict containing the created note information
      """
      gl = ctx.request_context.lifespan_context
      project = gl.projects.get(project_id)
      mr = project.mergerequests.get(merge_request_iid)
      discussion = mr.discussions.get(discussion_id)
      
      note = discussion.notes.create({'body': body})
      
      return note.asdict()