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Get Started Free →A minimal example skill that greets the user. Use when you want a tiny, valid reference skill to test skref against or to learn the SKILL.md format.
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-01 | ✗→✓ | ▲ Improved | -32% | 0% |
| case-09 | ✗→✓ | ▲ Improved | 4% | 0% |
| case-02 | ✓→✓ | ＝ Same ✓ | -42% | 0% |
| case-03 | ✓→✓ | ＝ Same ✓ | -57% | 0% |
| case-04 | ✓→✓ | ＝ Same ✓ | -47% | 0% |
This is the smallest useful Agent Skill. It demonstrates the required frontmatter fields (name and description) and a short set of instructions.
When this skill is activated, greet the user warmly and confirm that the skill loaded correctly:
> Hello, world! The hello-world skill is active.
Other measured skills in the registry, with their headline benchmark lift.