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awesome-copilot/skills/cli-mastery/references/module-5-skills.md
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2026-06-19 00:20:21 +00:00

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# Module 5: Skills System
## What are skills?
- Specialized capability packages the AI can invoke
- Think of them as "expert modes" with domain-specific knowledge
- Managed via `/skills` command
## Skill locations
| Level | Location |
|-------|----------|
| User | `~/.copilot/skills/<name>/SKILL.md` or `~/.agents/skills/<name>/SKILL.md` |
| Repo | `.github/skills/<name>/SKILL.md` |
| Org | Shared via org-level config |
## Creating a custom skill
1. Create the directory: `mkdir -p ~/.copilot/skills/my-skill/` (or `mkdir -p ~/.agents/skills/my-skill/`)
2. Create `SKILL.md` with YAML frontmatter (`name`, `description`, optional `tools`)
3. Write detailed instructions for the AI's behavior
4. Verify with `/skills`
## Skill design best practices
- **Clear description** — helps the AI match tasks to your skill automatically
- **Focused scope** — each skill should do ONE thing well
- **Include instructions** — specify exactly how the skill should operate
- **Test thoroughly** — use `/skills` to verify, then invoke and check results
## Auto-matching
When you describe a task, the AI checks if any skill matches and suggests using it.