Aptu is a command-line interface (CLI) tool designed to assist developers with issue triage and pull request reviews using AI technology. It leverages smaller models combined with tailored prompts to achieve high accuracy at a lower cost and faster speed compared to traditional approaches. Key features include AI-driven issue summaries, suggested labels, and contributor guidance, as well as the ability to discover good-first issues across repositories. Users can also customize prompts, utilize multiple AI providers, and track contributions offline.

The application supports various output formats, including text, JSON, YAML, Markdown, and SARIF. Its built-in security scanning ensures that PR reviews are conducted safely without sending code to external services. Aptu also integrates with GitHub Actions for automated triage of incoming issues. Overall, Aptu offers a comprehensive solution for developers looking to streamline their workflow while maintaining high standards of quality and security.