portable-skills-and-rules

Defines SKILL.md structure, valid frontmatter fields, and cross-tool setup for Claude Code, Cursor, OpenCode, and Cline. ALWAYS read before creating or editing any SKILL.md file. This skill should be used when "writing a skill", "creating a skill", "editing a skill", "skill frontmatter", "SKILL.md format", "AGENTS.md", "CLAUDE.md", or setting up skills acro…

Independent GitHub snapshot · Automated classification · Original documentation governs