Testronaut – AI-powered mission-based browser testing

Show HN: Testronaut – AI-powered mission-based browser testing

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Hi HN,I’ve been working on a project called *Testronaut*, an autonomous testing framework that combines AI reasoning with real browser automation. The idea is to let you define end-to-end tests as “missions” in plain English, then have an agent run them through a real browser using Playwright.Why I built this: I’ve often found end-to-end tests to be fragile, time-consuming to maintain, and difficult to scale. Testronaut tries to reduce the maintenance burden by using AI to adapt tests to small UI changes, while still producing a deterministic report of what passed/failed.How it works: - Missions can be written as strings or functions. - The agent uses GPT-4o with a set of tools (click, type,

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Website: testronaut.app