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Get Started Free →Fixture — session card region exceeds the byte cap; the validator must reject this
.claude/skills/jame581-session-card-oversized/SKILL.md| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-04 | ✗→✓ | ▲ Improved | 54% | 0% |
| case-05 | ✗→✓ | ▲ Improved | -21% | 0% |
| case-06 | ✗→✓ | ▲ Improved | 10% | 0% |
| case-07 | ✗→✓ | ▲ Improved | 26% | 0% |
| case-12 | ✗→✓ | ▲ Improved | 922% | 0% |
> Related skills: godot-brainstorming for design exploration.
<!-- SESSION-CARD-START --> PADDING LINE 0 — filler to push this region past the 3072-byte cap. PADDING LINE 1 — filler to push this region past the 3072-byte cap. PADDING LINE 2 — filler to push this region past the 3072-byte cap. PADDING LINE 3 — filler to push this region past the 3072-byte cap. PADDING LINE 4 — filler to push this region past the 3072-byte cap. PADDING LINE 5 — filler to push this region past the 3072-byte cap. PADDING LINE 6 — filler to push this region past the 3072-byte cap. PADDING LINE 7 — filler to push this region past the 3072-byte cap. PADDING LINE 8 — filler to push this region past the 3072-byte cap. PADDING LINE 9 — filler to push this region past the 3072-byte cap. PADDING LINE 10 — filler to push this region past the 3072-byte cap. PADDING LINE 11 — filler to push this region past the 3072-byte cap. PADDING LINE 12 — filler to push this region past the 3072-byte cap. PADDING LINE 13 — filler to push this region past the 3072-byte cap. PADDING LINE 14 — filler to push this region past the 3072-byte cap. PADDING LINE 15 — filler to push this region past the 3072-byte cap. PADDING LINE 16 — filler to push this region past the 3072-byte cap. PADDING LINE 17 — filler to push this region past the 3072-byte cap. PADDING LINE 18 — filler to push this region past the 3072-byte cap. PADDING LINE 19 — filler to push this region past the 3072-byte cap. PADDING LINE 20 — filler to push this region past the 3072-byte cap. PADDING LINE 21 — filler to push this region past the 3072-byte cap. PADDING LINE 22 — filler to push this region past the 3072-byte cap. PADDING LINE 23 — filler to push this region past the 3072-byte cap. PADDING LINE 24 — filler to push this region past the 3072-byte cap. PADDING LINE 25 — filler to push this region past the 3072-byte cap. PADDING LINE 26 — filler to push this region past the 3072-byte cap. PADDING LINE 27 — filler to push this region past the 3072-byte cap. PADDING LINE 28 — filler to push this region past the 3072-byte cap. PADDING LINE 29 — filler to push this region past the 3072-byte cap. PADDING LINE 30 — filler to push this region past the 3072-byte cap. PADDING LINE 31 — filler to push this region past the 3072-byte cap. PADDING LINE 32 — filler to push this region past the 3072-byte cap. PADDING LINE 33 — filler to push this region past the 3072-byte cap. PADDING LINE 34 — filler to push this region past the 3072-byte cap. PADDING LINE 35 — filler to push this region past the 3072-byte cap. PADDING LINE 36 — filler to push this region past the 3072-byte cap. PADDING LINE 37 — filler to push this region past the 3072-byte cap. PADDING LINE 38 — filler to push this region past the 3072-byte cap. PADDING LINE 39 — filler to push this region past the 3072-byte cap. PADDING LINE 40 — filler to push this region past the 3072-byte cap. PADDING LINE 41 — filler to push this region past the 3072-byte cap. PADDING LINE 42 — filler to push this region past the 3072-byte cap. PADDING LINE 43 — filler to push this region past the 3072-byte cap. PADDING LINE 44 — filler to push this region past the 3072-byte cap. PADDING LINE 45 — filler to push this region past the 3072-byte cap. PADDING LINE 46 — filler to push this region past the 3072-byte cap. PADDING LINE 47 — filler to push this region past the 3072-byte cap. PADDING LINE 48 — filler to push this region past the 3072-byte cap. PADDING LINE 49 — filler to push this region past the 3072-byte cap. PADDING LINE 50 — filler to push this region past the 3072-byte cap. PADDING LINE 51 — filler to push this region past the 3072-byte cap. PADDING LINE 52 — filler to push this region past the 3072-byte cap. PADDING LINE 53 — filler to push this region past the 3072-byte cap. PADDING LINE 54 — filler to push this region past the 3072-byte cap. PADDING LINE 55 — filler to push this region past the 3072-byte cap. PADDING LINE 56 — filler to push this region past the 3072-byte cap. PADDING LINE 57 — filler to push this region past the 3072-byte cap. PADDING LINE 58 — filler to push this region past the 3072-byte cap. PADDING LINE 59 — filler to push this region past the 3072-byte cap. <!-- SESSION-CARD-END -->
| Case | Status | Duration (ms) | Turns | Tokens | Tool calls | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Without | With | Δ | Without | With | Δ | Without | With | Δ | Without | With | Δ | ||
case-03 | fail→fail | 23,316 | 4,927 | -79% | 1 | 1 | 0% | 1,157 | 1,858 | +61% | 0 | 0 | — |
case-01 | fail→fail | 16,731 | 15,389 | -8% | 1 | 1 | 0% | 2,567 | 3,734 | +45% | 0 | 0 | — |
case-02 | fail→fail | 21,115 | 10,522 | -50% | 1 | 1 | 0% | 3,610 | 3,189 | -12% | 0 | 0 | — |
case-04 | fail→pass | 8,026 | 3,312 | -59% | 1 | 1 | 0% | 1,283 | 1,975 | +54% | 0 | 0 | — |
case-05 | fail→pass | 13,202 | 3,564 | -73% | 1 | 1 | 0% | 2,146 | 1,691 | -21% | 0 | 0 | — |
case-06 | fail→pass | 19,331 | 2,253 | -88% | 1 | 1 | 0% | 1,590 | 1,744 | +10% | 0 | 0 | — |
case-07 | fail→pass | 8,215 | 1,651 | -80% | 1 | 1 | 0% | 1,306 | 1,644 | +26% | 0 | 0 | — |
case-12 | fail→pass | 1,407 | 1,975 | +40% | 1 | 1 | 0% | 165 | 1,687 | +922% | 0 | 0 | — |
case-08 | fail→pass | 7,167 | 1,822 | -75% | 1 | 1 | 0% | 970 | 1,602 | +65% | 0 | 0 | — |
case-09 | pass→pass | 5,720 | 2,341 | -59% | 1 | 1 | 0% | 928 | 1,781 | +92% | 0 | 0 | — |
case-10 | pass→pass | 9,330 | 2,992 | -68% | 1 | 1 | 0% | 1,528 | 1,934 | +27% | 0 | 0 | — |
case-11 | fail→pass | 1,516 | 1,528 | +1% | 1 | 1 | 0% | 171 | 1,625 | +850% | 0 | 0 | — |
case-13 | fail→pass | 3,539 | 1,802 | -49% | 1 | 1 | 0% | 462 | 1,662 | +260% | 0 | 0 | — |
case-14 | pass→pass | 9,466 | 4,175 | -56% | 1 | 1 | 0% | 1,420 | 2,107 | +48% | 0 | 0 | — |
case-15 | fail→pass | 7,947 | 3,447 | -57% | 1 | 1 | 0% | 1,143 | 1,925 | +68% | 0 | 0 | — |
case-16 | fail→pass | 2,129 | 1,790 | -16% | 1 | 1 | 0% | 274 | 1,625 | +493% | 0 | 0 | — |
case-17 | fail→pass | 24,247 | 1,952 | -92% | 1 | 1 | 0% | 1,651 | 1,663 | +1% | 0 | 0 | — |
case-18 | fail→fail | 13,854 | 9,498 | -31% | 1 | 1 | 0% | 2,234 | 2,822 | +26% | 0 | 0 | — |
case-19 | fail→pass | 12,764 | 1,705 | -87% | 1 | 1 | 0% | 1,993 | 1,636 | -18% | 0 | 0 | — |
case-20 | pass→pass | 8,913 | 6,952 | -22% | 1 | 1 | 0% | 1,516 | 2,574 | +70% | 0 | 0 | — |
case-21 | pass→pass | 3,445 | 3,202 | -7% | 1 | 1 | 0% | 585 | 1,962 | +235% | 0 | 0 | — |
case-22 | pass→pass | 9,522 | 7,849 | -18% | 1 | 1 | 0% | 1,716 | 3,032 | +77% | 0 | 0 | — |
DecimalAI ran this skill against gemini-3.6-flash twice over the same eval suite — once with the skill loaded and once without — and compared the two runs case by case. 22 cases were attempted, and 20 counted toward the lift figure. The other 2 produced results that are not comparable between the two arms, so they are excluded from the headline rather than averaged into it. The headline lift of +55 percentage points is the difference between those two pass rates over the 20 comparable cases.
Without the skill loaded, the model failed this case. With it loaded, the same prompt on the same model passed. This is one improved case from the latest verified run; every case, including any that regressed, is in the table above.
Other measured skills in the registry, with their headline benchmark lift.