Agent Skills: build-your-own-x

Master programming by recreating your favorite technologies from scratch. Based on the 529K+ star GitHub repo codecrafters-io/build-your-own-x, this skill indexes 200+ step-by-step tutorials across 30+ tech domains — 3D renderer, AI model, blockchain, database, Docker, emulator, game engine, Git, OS, programming language, neural network, Shell, web server, and more. Triggers on: build your own, from scratch, byox, learn by building, recreate, 从零实现, 手写, 造轮子.