# Agent Skills · Context Atlas

> The sources Agent Skills publishes for coding agents. Fetch the llms.txt or Rules source first; fetch Full text sources only to search them, they are often several megabytes. Full catalog and instructions: https://contextatlas.dev/llms.txt

Last updated: 2026-10-23

### Agent Skills
Role: Instructions
Signals: **/SKILL.md, .agents/skills/, .claude/skills/
- [agentskills.io](https://agentskills.io/home): Docs
- [Skill specification](https://agentskills.io/specification): Docs
- [Agent Skills llms.txt](https://agentskills.io/llms.txt): llms.txt
- [skills.sh directory](https://skills.sh): Agent skill
- [anthropics/skills](https://github.com/anthropics/skills): Agent skill
- [Agent Skills in Claude](https://docs.claude.com/en/docs/agents-and-tools/agent-skills/overview): Guide