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Get Started Free →Transform rough ideas into fully-formed designs through structured questioning and alternative exploration. Useful early in concept work.
.claude/skills/nexu-io-brainstorming/SKILL.md| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-02 | ✗→✓ | ▲ Improved | -16% | 0% |
| case-03 | ✗→✓ | ▲ Improved | 41% | 0% |
| case-12 | ✗→✓ | ▲ Improved | -8% | 0% |
| case-20 | ✓→✓ | ＝ Same ✓ | 30% | 0% |
| case-21 | ✓→✓ | ＝ Same ✓ | 41% | 0% |
> Curated from @obra.
Transform rough ideas into fully-formed designs through structured questioning and alternative exploration. Useful early in concept work.
creative-directionThis catalogue entry advertises the skill in OpenDesign so the agent discovers it during planning. To run the full upstream workflow with its original assets, scripts, and references, install the upstream bundle into your active agent's skills directory:
bash# Inspect the upstream README for exact paths open https://github.com/obra/superpowers
Then ask the agent to invoke this skill by name (brainstorming) or with one of the trigger phrases listed in this skill's frontmatter.
| Case | Status | Duration (ms) | Turns | Tokens | Tool calls | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Without | With | Δ | Without | With | Δ | Without | With | Δ | Without | With | Δ | ||
case-01 | fail→fail | 50,993 | 53,029 | +4% | 1 | 1 | 0% | 4,222 | 4,908 | +16% | 0 | 0 | — |
case-02 | fail→pass | 34,863 | 32,516 | -7% | 1 | 1 | 0% | 7,509 | 6,305 | -16% | 0 | 0 | — |
case-03 | fail→pass | 53,535 | 61,871 | +16% | 1 | 1 | 0% | 4,822 | 6,823 | +41% | 0 | 0 | — |
case-04 | fail→fail | 12,970 | 48,242 | +272% | 1 | 1 | 0% | 1,937 | 2,995 | +55% | 0 | 0 | — |
case-05 | fail→fail | 19,003 | 19,973 | +5% | 1 | 1 | 0% | 3,233 | 3,491 | +8% | 0 | 0 | — |
case-06 | fail→fail | 40,066 | 37,728 | -6% | 1 | 1 | 0% | 8,214 | 7,886 | -4% | 0 | 0 | — |
case-07 | fail→fail | 32,364 | 43,209 | +34% | 1 | 1 | 0% | 6,144 | 8,400 | +37% | 0 | 0 | — |
case-08 | fail→fail | 28,248 | 43,505 | +54% | 1 | 1 | 0% | 5,307 | 8,395 | +58% | 0 | 0 | — |
case-09 | fail→fail | 21,379 | 15,435 | -28% | 1 | 1 | 0% | 4,214 | 3,033 | -28% | 0 | 0 | — |
case-10 | fail→fail | 21,148 | 19,364 | -8% | 1 | 1 | 0% | 3,529 | 3,701 | +5% | 0 | 0 | — |
case-11 | fail→fail | 26,652 | 41,552 | +56% | 1 | 1 | 0% | 5,100 | 8,399 | +65% | 0 | 0 | — |
case-12 | fail→pass | 20,156 | 16,592 | -18% | 1 | 1 | 0% | 2,793 | 2,566 | -8% | 0 | 0 | — |
case-13 | fail→fail | 38,104 | 37,457 | -2% | 1 | 1 | 0% | 7,806 | 7,869 | +1% | 0 | 0 | — |
case-14 | fail→fail | 28,392 | 33,035 | +16% | 1 | 1 | 0% | 5,639 | 6,637 | +18% | 0 | 0 | — |
case-15 | fail→fail | 8,345 | 6,077 | -27% | 1 | 1 | 0% | 1,324 | 1,193 | -10% | 0 | 0 | — |
case-16 | fail→fail | 16,454 | 14,018 | -15% | 1 | 1 | 0% | 2,387 | 2,342 | -2% | 0 | 0 | — |
case-17 | fail→fail | 13,641 | 15,704 | +15% | 1 | 1 | 0% | 2,031 | 2,437 | +20% | 0 | 0 | — |
case-18 | fail→fail | 15,206 | 14,348 | -6% | 1 | 1 | 0% | 2,871 | 2,495 | -13% | 0 | 0 | — |
case-19 | fail→fail | 24,098 | 20,543 | -15% | 1 | 1 | 0% | 4,374 | 4,338 | -1% | 0 | 0 | — |
case-20 | pass→pass | 5,972 | 6,193 | +4% | 1 | 1 | 0% | 1,014 | 1,321 | +30% | 0 | 0 | — |
case-21 | pass→pass | 6,653 | 8,664 | +30% | 1 | 1 | 0% | 1,100 | 1,555 | +41% | 0 | 0 | — |
case-22 | pass→pass | 7,837 | 4,931 | -37% | 1 | 1 | 0% | 1,224 | 1,011 | -17% | 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. The headline lift of +14 percentage points is the difference between those two pass rates over the 22 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.