Launch HN: Momentic (YC W24) – Agents that catch bugs by using your app

Momentic, a YC W24 startup, offers an AI-powered QA engineer called Mo that automatically tests applications end-to-end to catch bugs before deployment. The platform allows developers to create tests from prompts, automatically heals tests when UIs change, and has reportedly caught over 117,000 bugs across millions of test runs for companies like Notion, Webflow, and Runway. Users report significant time savings, with testing that previously took hours now completing in minutes while enabling faster development cycles.