YAO = Yielding AI Outcomes. A rigorous engineering, evaluation, governance, and portability system for reusable agent skills.

From thought to skill. From signal to structure.

12 evidence-backed skill-writing principles plus repository engineering for real-world agent skills, inspired by Matt Pocock / 十二条有证据支撑的 Skill 写作原则与仓库工程指南

Engineer production-ready Codex skills with behavior contracts, quality lint, and forward testing / 将 Skill 构建从 vibe prompting 变成工程化流程