How to Write Workflow Skills: Patterns and Best Practices Distilled from 7 Top Projects

Five patterns distilled from Skills at OpenAI, Google Labs, obra, and more. A Skill is a folder centered around a SKILL.md file, using YAML frontmatter + Markdown body format. When an LLM determines a Skill is needed, it invokes the skill tool to load it. The entire content of SKILL.md is injected