AgentLightning - agents learn from their mistakes and fix

🚨BREAKING: Microsoft just solved the "Agent Loop" problem.

Agent Lightning is an open-source framework that lets agents learn from their own mistakes using Reinforcement Learning.

Your agent fails a task → Agent Lightning analyzes why → Updates the prompt automatically →… pic.twitter.com/hA5OUmq6ns

— Hasan Toor (@hasantoxr) February 2, 2026