How to connect GitLab to Codex

1. 1. Enable GitLab in Metorial

   In your Metorial portal, enable the GitLab MCP server and sign in with the account that owns the data. Access stays governed by your team policies.

2. 2. Add the server and sign in

   The Codex CLI, IDE extension and ChatGPT desktop app share this config.

   Copy

   codex mcp add metorial --url <your-magic-mcp-url>
   codex mcp login metorial

3. 3. Check the connection

   Type /mcp in Codex to see Metorial and its GitLab tools.

• Create Release: Create a new release for a project, or list existing releases.
• Manage Pipeline: Trigger, retry, or cancel a CI/CD pipeline.
• Manage Project: Create, update, fork, or delete a GitLab project.
• Manage Issue: Create, update, close, reopen, or delete a GitLab issue.
• List Merge Requests: List GitLab merge requests, optionally scoped to a project.
• Manage Merge Request: Create, update, or merge a GitLab merge request.
• List Issues: List GitLab issues filtered by project, state, labels, milestone, assignee, author, or search term.
• List Pipelines: List CI/CD pipelines for a project.
• Add Comment: Add a comment (note) to an issue or merge request.
• Get Project: Retrieve detailed information about a specific GitLab project by its ID or URL-encoded path (e.g.
• Browse Repository: Browse a project's repository tree, read file contents, or compare branches.
• Manage Branch: List, create, or delete branches in a project repository.
• Search: Search across GitLab for projects, issues, merge requests, milestones, code (blobs), commits, wiki content, and users.
• List Groups: List GitLab groups accessible to the authenticated user.
• List Projects: List GitLab projects accessible to the authenticated user.
• And 15 more on the GitLab MCP server page.

• Limit which GitLab tools Codex sees with enabled_tools and disabled_tools on the metorial server in config.toml.
• Set default_tools_approval_mode to auto, prompt, writes or approve. writes prompts only for tools that are not marked read-only.
• Type /mcp in the composer to see the connected servers.
• Override the approval behavior for a single GitLab tool with tools.<tool>.approval_mode.

Metorial is listed but tools are missing

Codex can connect without credentials and then see nothing. Run codex mcp login metorial to complete the OAuth sign-in.

Metorial times out at startup

Codex waits 10 seconds by default. Raise startup_timeout_sec under [mcp_servers.metorial] in ~/.codex/config.toml.

Long tool calls fail after a minute

The default tool timeout is 60 seconds. Raise tool_timeout_sec for the metorial server in config.toml.

Based on the Codex MCP documentation.