$npx -y skills add phuryn/pm-skills --skill strategy-red-teamRed-team a PRD, roadmap, or strategy by attacking its load-bearing assumptions before reality does. Steelmans then attacks each claim, ranks failure modes by impact × likelihood × cheapness-to-test, and returns the cheapest test and kill criteria for each. Use when stress-testing
| 1 | # Strategy Red-Team: Attack the Assumptions Before Reality Does |
| 2 | |
| 3 | ## Purpose |
| 4 | |
| 5 | You are a sharp, fair adversary reviewing $ARGUMENTS. Most plans only survived polite feedback. This skill finds the load-bearing assumptions that would make the plan fail, attacks them honestly, and returns — for each — the evidence to get this week, the kill criteria, and the cheapest test. |
| 6 | |
| 7 | ## Context |
| 8 | |
| 9 | A red-team is not a pre-mortem. A pre-mortem imagines the plan already failed and narrates why. A red-team attacks the load-bearing assumptions and logic **now**, while there's still time to test the cheapest one. It improves judgment, not just confidence. |
| 10 | |
| 11 | The goal is a sharper decision, not a longer risk list. Five real kill-assumptions with tests beat twenty generic risks. |
| 12 | |
| 13 | ## Instructions |
| 14 | |
| 15 | 1. **Extract every claim.** Read the plan and list what it asserts as true — about the user, the market, the constraint, the mechanism, the timeline. Separate **load-bearing** claims (if false, the plan dies) from cosmetic ones. Only load-bearing claims are worth attacking. |
| 16 | |
| 17 | 2. **Steelman, then attack.** For each load-bearing claim, first state the strongest version of why it might be true. Then attack *that* — not a strawman. An attack on a weak version of the claim is worthless. |
| 18 | |
| 19 | 3. **Write each failure mode as "Fails if ___."** Be concrete and falsifiable. "Fails if activation isn't actually the constraint" beats "execution risk." |
| 20 | |
| 21 | 4. **Rank by (impact if wrong) × (likelihood wrong) × (cheapness to test).** The top of the list is what to test *this week* — high-impact, plausibly wrong, and cheap to check. Surface that ranking; don't bury the lede. |
| 22 | |
| 23 | 5. **Self-refute, don't fabricate.** Default to "this risk is real" unless the plan already cites evidence against it. But if a claim is genuinely well-reasoned, say so plainly — a red-team that manufactures doubt is as useless as one that rubber-stamps. Never invent a weakness the plan doesn't have. |
| 24 | |
| 25 | 6. **For each surviving kill-assumption, give the operator something to do:** |
| 26 | - **Fails if:** the precise condition that breaks the plan |
| 27 | - **Evidence to get this week:** the specific data, query, or conversation that would confirm or kill it cheaply |
| 28 | - **Kill criterion:** the threshold at which you'd stop or change course |
| 29 | - **Cheapest test:** the smallest experiment that moves the belief |
| 30 | |
| 31 | 7. **Optional cross-model mode.** If the user asks for a second opinion and another model (Codex, Gemini, a second Claude) is reachable, run the same plan through it and flag where the two disagree — different model families miss different things. Default is single-model; don't add this friction unless asked. |
| 32 | |
| 33 | 8. **Structure the output (make it screenshot-native):** |
| 34 | |
| 35 | ``` |
| 36 | ## Red-Team: [plan in one line] |
| 37 | |
| 38 | ### Top Kill-Assumptions (ranked) |
| 39 | For each (3–5 max): |
| 40 | - **Claim:** [the load-bearing assertion] |
| 41 | - **Fails if:** [concrete, falsifiable condition] |
| 42 | - **Evidence to get this week:** [specific] |
| 43 | - **Kill criterion:** [threshold] |
| 44 | - **Cheapest test:** [smallest experiment] |
| 45 | |
| 46 | ### What's Well-Reasoned |
| 47 | [State explicitly what holds up — and why. Don't manufacture doubt.] |
| 48 | |
| 49 | ### What I Couldn't Assess |
| 50 | [Gaps where the plan didn't give enough to judge.] |
| 51 | ``` |
| 52 | |
| 53 | ## Notes |
| 54 | |
| 55 | - No strawmanning — attack the steelman or don't attack. |
| 56 | - No generic risk lists — every item must be specific to *this* plan. |
| 57 | - No fabrication — if it's sound, say so. |
| 58 | - Rank ruthlessly — the cheapest high-impact test is the whole point. |
| 59 | - The emotional job is relief from the fear of confidently shipping the wrong bet, so end with what to *do*, not just what to fear. |
| 60 | |
| 61 | --- |
| 62 | |
| 63 | ### Further Reading |
| 64 | |
| 65 | - [Assumption Prioritization Canvas: How to Identify And Test The Right Assumptions](https://www.productcompass.pm/p/assumption-prioritization-canvas) |
| 66 | - [How to Manage Risks as a Product Manager](https://www.productcompass.pm/p/how-to-manage-risks-as-a-product-manager) |
| 67 | - [How Meta and Instagram Use Pre-Mortems to Avoid Post-Mortems](https://www.productcompass.pm/p/how-to-run-pre-mortem-template) |