Launch HN: TesterArmy (YC P26) – Agents that test web and mobile apps
tester.army okwasniewski
TesterArmy, a Y Combinator-backed startup, launched an AI-agent-based testing platform that uses natural language to define and execute end-to-end tests for web and mobile apps. The platform has grown to 30+ daily users over several months and has caught production bugs including timezone issues, API failures, and checkout regressions that human testers missed. Teams can now skip manual test maintenance and instead let agents handle test creation, execution, and scheduling via CLI integration.
Why it matters
Hey HN - we’re Oskar, Szymon, and Piotr, and we’re building TesterArmy (https://tester.army). TesterArmy is an agentic testing platform that runs end-to-end checks before deployment and in production. Instead of wasting hours on manual testing or maintaining static scripts, we let you specify your tests in natural language and handle everything in between. We've built the platform fully around agents. Our agent will reliably execute the tests, but your coding agent can manage everything in our platform, from defining tests in natural language to running them on your behalf.Check out our demo video: https://www.youtube.com/watch?v=291IkUbPrlk.We started TesterArmy because testing is still far too painful. AI coding tools have made it dramatically faster to write and ship code, but testing is still a bottleneck. Traditional E2E tests are slow to set up and expensive to maintain. Managing auth and test users is painful. Setting up staging environments is painful. Running tests reliably is
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