I Built Tautest: A Mutation Testing Workflow for AI-Written Tests

AI coding agents are getting really good at writing tests. But I kept running into one uncomfortable problem: Passing tests do not always mean strong tests. Sometimes an AI agent writes tests that pass, but those tests only confirm that the current implementation runs. They do not necessarily prove that the behavior is protected. That is why I built Tautest . Tautest is an open-source CLI and GitHub Action that runs mutation testing on changed source lines, finds weak tests, and generates an AI-