Snagly offers 30 free open-source QA skills to bring testing discipline to AI agents

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Snagly is a free, MIT-licensed toolkit of 30 skills designed to make AI coding agents test software with the rigor of a professional QA engineer. It is compatible with over 70 AI agents, including GitHub Copilot, Claude Code, Cursor, and Codex, and runs browser automation through Playwright. The toolkit covers the full testing lifecycle, from test planning and scenario discovery to bug triage, accessibility audits, visual regression, and report generation. Each skill has a defined scope and hands off to other skills in sequence, mimicking how a structured QA practice operates. The project was demonstrated live against a production website, where it identified eleven issues including a critical accessibility bug, though one finding was acknowledged as incorrect.

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