Libretto PR agents automatically repair failing Playwright test scripts

Libretto has released a set of PR agents aimed at developers using Playwright. The agents detect failing test scripts during continuous integration. When a failure is identified, the agents generate a pull request with a fix. The fix attempts to resolve the root cause of the failure automatically. This automation reduces manual debugging time for test suites. The tool is presented as a Show HN project on Hacker News. Users can access the agents via the Libretto website. The approach highlights growing interest in AI‑assisted development tools.