# AI For Dummies — Skills
A practical guide to creating compact, reusable AI coding skills.

← ROUTE MAP 03 / SKILLS review desk ↗

Reusable judgment

# Teach the
decision.

A skill changes behavior. Keep the trigger precise, put the workflow in `SKILL.md`, and move conditional facts, scripts, and examples into focused files.

Package anatomy

## One job.
More than
one file.

Choose a file to see why it belongs in the package.

REVIEW-UI / SKILL PACKAGE

Create a skill

## Observe →
trigger →
validate

01
Observe friction Find a repeated decision or failure.
02
Define the trigger Say when it should load and when it should stay out.
03
Choose anatomy Use references for facts and scripts for deterministic mechanics.
04
Evaluate behavior Test realistic prompts, edge cases, safety, and evidence.