TestMu AI (Formerly LambdaTest) is a fully autonomous agentic quality engineering platform that empowers teams to test intelligently, smarter, and ship faster.

Stop wasting hours writing tests. QA Copilot turns user stories into Feature, Regression & Smoke scripts in seconds, adds risks, checklists & automation insights. Free, powerful, and trusted by 850+ testers.

Claude Code superpowers: core skills library

Generate diagrams that visualize concepts, brainstorms, and web pages in seconds.

Jupyter Notebook is an interactive, browser-based environment for running code alongside notes, results, and visualisations, making it useful for exploration, analysis, and sharing reproducible work.

Explore your app like a real user, operating a real web browser, handling login (with MFA), handling email interactions, all whilst operating large multi-step user journeys. Any bugs are reported along with auto-generated Playwright tests.