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Challenges assumptions before major decisions like diamond transitions and architecture choices using pre-mortems, assumption reversals, red teaming, and 10 key questions to counter biases.
How this skill is triggered — by the user, by Claude, or both
Slash command
/mycelium:devils-advocateThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
Run before every major diamond transition and architecture decision. Source: Kahneman, Shotton.
Run before every major diamond transition and architecture decision. Source: Kahneman, Shotton.
Imagine it's 6 months from now and this decision FAILED spectacularly.
For each key assumption:
Attack your own position:
Log the challenge results in .claude/harness/decision-log.md alongside the decision.
npx claudepluginhub haabe/mycelium --plugin myceliumStructured critical thinking for challenging approaches, questioning assumptions, and validating decisions. Use when testing approach validity or preventing automatic agreement.
Stress-tests ideas, plans, and decisions using structured critical reasoning across 5 modes (Socratic, dialectic, pre-mortem, red team, falsification).
Pressure-tests assumptions, decisions, or inherited constraints via Socratic cross-examination. Asks one question at a time to expose weak reasoning, cargo-culting, and untested instincts, then delivers a verdict.