GitLab MCP Server

MCP Server for the GitLab API, enabling project management, file operations, and more.

Features

• Automatic Branch Creation: When creating/updating files or pushing changes, branches are automatically created if they don’t exist
• Comprehensive Error Handling: Clear error messages for common issues
• Git History Preservation: Operations maintain proper Git history without force pushing
• Batch Operations: Support for both single-file and multi-file operations

Tools

1. create_or_update_file

   • Create or update a single file in a project
   • Inputs:
     • project_id (string): Project ID or URL-encoded path
     • file_path (string): Path where to create/update the file
     • content (string): Content of the file
     • commit_message (string): Commit message
     • branch (string): Branch to create/update the file in
     • previous_path (optional string): Path of the file to move/rename
   • Returns: File content and commit details

2. push_files

   • Push multiple files in a single commit
   • Inputs:
     • project_id (string): Project ID or URL-encoded path
     • branch (string): Branch to push to
     • files (array): Files to push, each with file_path and content
     • commit_message (string): Commit message
   • Returns: Updated branch reference

3. search_repositories

   • Search for GitLab projects
   • Inputs:
     • search (string): Search query
     • page (optional number): Page number for pagination
     • per_page (optional number): Results per page (default 20)
   • Returns: Project search results

4. create_repository

   • Create a new GitLab project
   • Inputs:
     • name (string): Project name
     • description (optional string): Project description
     • visibility (optional string): ‘private’, ‘internal’, or ‘public’
     • initialize_with_readme (optional boolean): Initialize with README
   • Returns: Created project details

5. get_file_contents

   • Get contents of a file or directory
   • Inputs:
     • project_id (string): Project ID or URL-encoded path
     • file_path (string): Path to file/directory
     • ref (optional string): Branch/tag/commit to get contents from
   • Returns: File/directory contents

6. create_issue

   • Create a new issue
   • Inputs:
     • project_id (string): Project ID or URL-encoded path
     • title (string): Issue title
     • description (optional string): Issue description
     • assignee_ids (optional number[]): User IDs to assign
     • labels (optional string[]): Labels to add
     • milestone_id (optional number): Milestone ID
   • Returns: Created issue details

7. create_merge_request

   • Create a new merge request
   • Inputs:
     • project_id (string): Project ID or URL-encoded path
     • title (string): MR title
     • description (optional string): MR description
     • source_branch (string): Branch containing changes
     • `target_branch