This connects Claude to GitHub repos through the gitmcp.io MCP service, letting you fetch READMEs, search documentation semantically, and query code without leaving your conversation. You get four tools per repo: fetch full docs, search docs, search code via GitHub's API, and pull referenced URLs. The URL conversion is dead simple (github.com/owner/repo becomes gitmcp.io/owner/repo), and tool names auto-prefix with the repo name. Honestly most useful when you're asking "what does this project do" or hunting for specific implementation details. Beats context-switching to a browser when you're already in a flow with Claude.
npx skills add https://github.com/am-will/codex-skills --skill read-github