GitLab MCP Server

Exposes GitLab repository metadata, file contents, and branch information as MCP Resources, allowing LLM clients to access repository state without direct API calls. Implements the MCP Resource primitive to surface repository roots, file hierarchies, and commit history as queryable context that LLM agents can reference during reasoning and code generation tasks.

Exposes GitLab merge request operations (create, update, approve, merge) as MCP Tools with JSON schema validation, enabling LLM agents to manage code review workflows through structured function calls. Implements schema-based tool registry that maps MCP tool definitions to GitLab REST API endpoints with parameter validation and error handling.

Exposes GitLab commit history and blame information through MCP Resources and Tools, enabling LLM agents to understand code authorship, change history, and commit context. Implements commit querying with support for filtering by author, date range, and file path, plus blame analysis for line-level attribution.

Exposes GitLab release and tag operations through MCP Tools, enabling LLM agents to create releases, manage tags, and generate release notes. Implements release creation with support for release notes, asset uploads, and tag association, enabling automated version management workflows.

Exposes GitLab issue operations (create, update, close, assign, label) as MCP Tools with structured schemas, allowing LLM agents to manage project issues and track work items. Implements tool definitions that map to GitLab REST API issue endpoints with support for custom fields, labels, milestones, and assignee management.

Exposes GitLab CI/CD pipeline operations (list pipelines, inspect job status, trigger pipelines, view logs) as MCP Tools, enabling LLM agents to monitor and control build/test workflows. Implements pipeline querying through GitLab REST API with support for filtering by branch, status, and commit, plus pipeline triggering with variable injection.

Exposes GitLab merge request diff inspection as MCP Resources and Tools, allowing LLM agents to analyze code changes and generate review comments. Implements diff retrieval through GitLab REST API with support for line-level commenting, enabling AI-driven code review workflows that understand context and generate targeted feedback.

Exposes GitLab project and group metadata (settings, members, permissions, variables) as MCP Resources, enabling LLM agents to understand organizational structure and project configuration. Implements resource definitions that surface project settings, group hierarchy, and member permissions as queryable context without requiring separate API calls.

Exposes GitLab protected branch rules and deployment policies as MCP Tools, enabling LLM agents to understand and enforce branch protection constraints. Implements tool definitions that query protected branch configurations and validate deployment eligibility before triggering pipelines or merges.

Exposes GitLab webhook events through MCP protocol, enabling LLM clients to receive push notifications for repository events (push, merge request, issue) and trigger asynchronous workflows. Implements event subscription mechanism that maps GitLab webhooks to MCP notification primitives, allowing agents to react to repository changes in real-time.

Exposes GitLab GraphQL API through MCP Tools, enabling LLM agents to execute complex queries for multi-entity data retrieval (e.g., merge requests with associated pipelines and reviews). Implements GraphQL query builder that abstracts query construction while allowing flexible data selection through schema introspection.

Exposes GitLab repository file structure as navigable MCP Resources, enabling LLM agents to explore directory hierarchies and retrieve file contents on demand. Implements lazy-loaded file tree that fetches directory listings and file contents through GitLab REST API with support for branch/tag selection.