GitLab MCP Server

Instructions

Implementation Reference

• src/gitlab_mcp/server.py:480-498 (handler)

  MCP tool handler that calls the GitLab client to add a note to a merge request.

  def create_merge_request_note(project_id: int | str, mr_iid: int,
                                body: str) -> str:
      """新增 Merge Request 留言
  
      Args:
          project_id: 專案 ID 或路徑
          mr_iid: MR 的 IID
          body: 留言內容（支援 Markdown）
      """
      try:
          if not body or not body.strip():
              return "留言內容不能為空"
  
          client = get_client()
          note = client.create_merge_request_note(project_id, mr_iid, body)
          return f"✓ 留言已新增至 MR !{mr_iid}（留言 ID: {note['id']}）"
      except GitLabAPIError as e:
          return f"新增留言失敗: {str(e)}"

• src/gitlab_mcp/gitlab_client.py:284-291 (helper)

  GitLab client implementation that performs the actual API request to create a merge request note.

  def create_merge_request_note(
      self, project_id: int | str, mr_iid: int, body: str
  ) -> dict:
      """POST /projects/:id/merge_requests/:iid/notes"""
      pid = self._resolve_project_id(project_id)
      return self._post_json(
          f"/projects/{pid}/merge_requests/{mr_iid}/notes", data={"body": body}
      )

• src/gitlab_mcp/server.py:479-480 (registration)

  Registration of the 'create_merge_request_note' function as an MCP tool.

  @mcp.tool()
  def create_merge_request_note(project_id: int | str, mr_iid: int,