github-twin is a command-line tool that enables retrieval-augmented generation (RAG) over a user's GitHub history, including commits, code, and review comments. It serves this data to Claude Code via the MCP protocol, helping developers analyze and leverage their codebase history.
In the RAG, search & retrieval space, github-twin takes a focused approach. It focuses on enabling personal retrieval-augmented generation over GitHub history for code and review analysis. github-twin is an open-source project aimed at developers using Claude Code. The project is open source (MIT). It runs on the web and the command line.
Behind github-twin is Christopher Davenport, and the product first shipped in 2026. The project is developed in the open on GitHub with 100 commits in the last 90 days. Across PulseGate's embedding index, github-twin has few near neighbours, marking it as relatively distinct. Among its 5 catalogued features are gitHub history retrieval, RAG over code, and Claude Code integration. It exposes integrations via an MCP server.
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