GitHub RichCard is a browser extension designed to enhance the user experience on GitHub repository pages. It introduces a slide-in sidebar that provides valuable information at a glance, including repository statistics like stars, forks, and open issues, as well as a D3-powered contributor collaboration graph. Users can effortlessly access an AI-generated wiki for any repository with a single click, making project evaluation more efficient.

The extension also features badges that highlight followed users, allowing users to easily identify contributors they know in pull requests and issues. It supports private repositories by utilizing the existing GitHub session cookie, ensuring a seamless experience without additional token setups. With a focus on privacy, GitHub RichCard fetches data directly from GitHub without involving third-party servers, making it a secure and user-friendly tool for developers.