Agent Skills (agentskills.io)

Create portable skills for AI agents. Works with Claude Code, Cursor, GitHub Copilot, OpenAI integrations, VS Code (symlinks enable sharing across tools).

Resources

• Specification: https://agentskills.io/specification | Validator: https://github.com/agentskills/agentskills

Structure

skill-name/
├── SKILL.md          # Required (frontmatter + instructions, <5000 tokens activation)
├── scripts/          # Optional: executable code
├── references/       # Optional: detailed docs
└── assets/           # Optional: templates, static files

Rules: Dir name = frontmatter name:. Only 3 subdirs. SKILL.md <500 lines. ~100 tokens for discovery (name+desc).

Frontmatter