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Get Started Free →Use when the user asks for a one-word acknowledgement drill — replies with exactly the word the drill names.
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-07 | ✓→✗ | ▼ Worse | 111% | 0% |
| case-10 | ✓→✓ | ＝ Same ✓ | 47% | 0% |
| case-11 | ✓→✓ | ＝ Same ✓ | 172% | 0% |
| case-13 | ✓→✓ | ＝ Same ✓ | 156% | 0% |
| case-14 | ✓→✓ | ＝ Same ✓ | 39% | 0% |
Give the eval-run exercise a minimal, valid target: a skill whose eval suite is deterministic-clean and cheap to execute, with one case that fails its expectation by design so a runner has a real failure to report.
Input: Say the word apple. Output: apple
Other measured skills in the registry, with their headline benchmark lift.