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Get Started Free →Third-person description of what this skill does, when it should activate, and how to invoke it. Include concrete trigger phrases the agent can match against. Max 1024 characters. Example: "Reviews SQL migrations for destructive operations and suggests safer alternatives. Activates when the user asks to review a migration, or runs `/crystools-skills:your-skill-name`."
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-01 | ✗→✓ | ▲ Improved | -52% | 0% |
| case-02 | ✗→✓ | ▲ Improved | 70% | 0% |
| case-03 | ✗→✓ | ▲ Improved | 988% | 0% |
| case-06 | ✗→✓ | ▲ Improved | 85% | 0% |
| case-08 | ✗→✓ | ▲ Improved | 58% | 0% |
> One-line elevator pitch. What problem does this skill solve?
A short paragraph of context: who the skill is for, when it fires, and what the user should expect.
/crystools-skills:your-skill-name.Explain how the skill picks up its inputs (conversation, arguments, files).
Step-by-step instructions. Keep them imperative and concrete.
How the skill should present output to the user. Format, verbosity, confirmation prompts.
Heavier material lives in references/ and is loaded on demand:
references/examples.md — read when the user asks for examples.references/rubric.md — read when running the quality review.<!-- Body size budget: ≤ 500 lines / ~5k tokens. If this file grows past that, move detail into references/ and link from here. -->
Other measured skills in the registry, with their headline benchmark lift.