A few months ago, while looking through one of my kids’ wardrobes, I stumbled upon a forgotten treasure: a Lego Mindstorms EV3 robot, gathering dust and long outgrown. The sight instantly sparked an idea—could I use this old robot as a playground to learn more about AI, agents, LLMs, and the Model Context Protocol (MCP)? I wanted a hands-on project that would let me experiment with these concepts in a tangible, physical way. Why I Started: Learning by Doing My main motivation was curiosity. I’d been reading about AI agents and the MCP ecosystem, and I wanted to see what it would take to give a physical robot a “brain” powered by modern AI. The goal was to bridge the gap between software and hardware, and to see how far I could push the boundaries of what’s possible with open-source tools and a bit of creative hacking. Dusting Off the Robot The EV3 had been sitting unused for years, but after a quick change of batteries and some fiddling, it was ready for action. The robot runs ev...