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Get Started Free →Challenges ideas, plans, decisions, and proposals using structured critical reasoning as devil's advocate, pre-mortem, red team, or evidence audit.
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-08 | ✗→✓ | ▲ Improved | -21% | 0% |
| case-09 | ✗→✓ | ▲ Improved | 1% | 0% |
| case-07 | ✓→✗ | ▼ Worse | 0% | 0% |
| case-01 | ✓→✓ | ＝ Same ✓ | 18% | 0% |
| case-02 | ✓→✓ | ＝ Same ✓ | -1% | 0% |
name: the-fool description: > Challenges ideas, plans, decisions, and proposals using structured critical reasoning as devil's advocate, pre-mortem, red team, or evidence audit. metadata: sources:
repo: jeffallan/claude-skills path: skills/the-fool/SKILL.md commit: 3bf9a24b76a7c122f1fc05e83929fbc84e1c207a attribution: Jeffallan license: MIT usage: referenced
Other measured skills in the registry, with their headline benchmark lift.