Vibe Code with Confidence: Testing AI-Built Apps with QA Agents

TL;DR: When AI writes the code, you can't trust the same AI to prove it works. We built an independent, black-box QA agent that treats every deployed app like a real user would: clicking, navigating, and verifying outcomes. Fast enough and cheap enough to run on every deploy. We call this autonomous end-to-end QA : black-box testing that runs after deployment and returns QA snapshots , visual bug reports, and logs back into the chat. We used to trust code because a human owned it. Someone wrote