Jj

jj-mcp-server is a Model Context Protocol (MCP) server that exposes Jujutsu (jj) version-control operations as programmable tools. You can integrate it into IDEs, editors, or other clients that support MCP to script and automate your Jujutsu workflows.

Features

• Expose core jj commands (status, log, diff, rebase, commit, etc.) via MCP tools.
• Manage bookmarks, operations, and revisions programmatically.
• Integrate with any editor or language that supports MCP.

Prerequisites

• Node.js v14+ or later
• Jujutsu (jj) installed and in your PATH

Usage

Start the MCP server:

npx -y jj-mcp-server

Available Tools

See the source in src/index.ts for the full list. Highlights include:

• status, log, show, diff, interdiff
• rebase, commit, new, abandon, revert, restore, edit
• Bookmark management: bookmark-create, bookmark-list, bookmark-move, etc.
• Git integration: git-clone, git-push, git-fetch, git-export, etc.
• File operations: file-annotate, file-list, file-show, file-track, file-untrack, file-chmod

Contributing

Contributions are welcome! Please open issues or pull requests against this repository.

License

This project is licensed under the MIT License. See the LICENSE file for details.