Doc Genius AI scans your codebase, identifies modules, functions, classes, and variables, then generates detailed documentation and README files. It supports Python, JavaScript, Java, and other major languages. Users can customize prompts, templates, and output formats. The tool integrates with GitHub for pull-request documentation checks and works in CI/CD pipelines. It ships as an npm package and a cross-platform CLI, making it easy to install and integrate into existing workflows.