skill-authoring. A skill that teaches agents how to design, write, and review agent skills — covers trigger design, progressive disclosure, common patterns, anti-patterns, and quality gates. Built from Anthropic, OpenAI, and community best practices. | 一个教 Agent 如何设计、编写和审查 Skill 的 Skill —— 涵盖触发设计、渐进披露、常见模式、反模式和质量关卡。综合 Anthropic、OpenAI 及社区最佳实践。