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write-skills
Create or revise agent skills. Use when adding a new skill file, renaming a skill, simplifying an existing skill, improving trigger descriptions, or deciding what belongs in a skill versus references, scripts, assets, or ordinary docs.
skills/authoring/write-skills/SKILL.md
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- Last checked
- Nov 11, 2026
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- License
- MIT
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- agent-skills Repository topic
- ai-agents Repository topic
- autonomous-agents Repository topic
- autoresearch Repository topic
- claude-code Repository topic
- code-review Repository topic
- codex Repository topic
- developer-tools Repository topic
- software-engineering Repository topic
- spec-driven-development Repository topic
- docs Derived category
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# Write Skills
A skill is not documentation. It is compressed operational memory for an
agent that already knows how to code and reason. Its job is
**predictability** — the agent taking the same *process* every run, not
producing the same output. Put only the context that changes what the agent
will do.
## First Principles
1. **Trigger from the description.** The frontmatter `description` is the
only part read before the skill loads. Say what the skill does and the
concrete situations that should trigger it. Do not hide trigger rules in
the body.