MCP GitLab Review Server

What is MCP GitLab Review Server?

It is an extension of the MCP GitLab server that adds merge request review capabilities. It provides fetching of merge request information, retrieval of the latest merge request version, and posting of review comments. It is intended for developers using GitLab within the Model Context Protocol ecosystem.

How to use MCP GitLab Review Server?

Configure the server by setting two environment variables: GITLAB_PERSONAL_ACCESS_TOKEN (your GitLab personal access token) and GITLAB_API_URL (the base URL of your GitLab instance). Once configured, the server communicates with the GitLab API to perform merge request operations. Invocation details depend on the MCP client being used.

Key features of MCP GitLab Review Server

• Fetch merge request details by project and IID.
• Retrieve the latest version of a merge request.
• Post review comments to merge request discussions.
• Integrates with GitLab API endpoints for MR operations.

Use cases of MCP GitLab Review Server

• Automated code review comment generation from AI assistants.
• Streamlining review workflows by programmatically fetching MR diffs and versions.
• Adding context-aware comments during merge request reviews.
• Integrating MCP-based tools with GitLab’s merge request lifecycle.

FAQ from MCP GitLab Review Server

What does this server extend?

It extends the MCP GitLab server with dedicated merge request review comment functionality beyond basic MR retrieval.

What environment variables are required?

You must set GITLAB_PERSONAL_ACCESS_TOKEN (a GitLab personal access token) and GITLAB_API_URL (your GitLab instance’s API base URL).

What GitLab API endpoints does it use?

It uses GET /api/v4/projects/:project_id/merge_requests/:merge_request_iid for MR info, the /versions endpoint for latest version, and POST /api/v4/projects/:project_id/merge_requests/:merge_request_iid/discussions for posting comments.

Does it require a specific authentication method?

Yes, it relies on a GitLab personal access token provided via environment variable.

What license is this server under?

The server is licensed under the MIT License.