A Claude Code skill that runs 5 parallel expert agents to stress-test a business/product idea before committing time.
User describes idea
│
▼
┌─ Main Agent ─────────────────────────────────────┐
│ 1. Gather input (5 clarifying questions) │
│ 2. Launch 5 experts in parallel │
│ 3. Cross-validate findings → Verdict │
└─────────────────────────────────────────────────┘
│ │ │ │ │
▼ ▼ ▼ ▼ ▼
🎯 RAT 👂 Mom 🔍 Competitor 💰 Investor 🧪 Value Prop
Hunter Test Exhauster Inquisitor Stress Tester
| Expert | Framework | Focus |
|---|---|---|
| 🎯 RAT Hunter | Riskiest Assumption Test | Identify top 3 fatal assumptions + design ≤2wk / ≤$100 validation experiments |
| 👂 Mom Test Interrogator | The Mom Test by Rob Fitzpatrick | Write interview questions that probe past behavior, never mentioning your product |
| 🔍 Competitor Exhauster | Exhaustive multi-layer search | Direct, indirect, alternative, platform risk, AI substitution — no such thing as no competition |
| 💰 Investor Inquisitor | Angel investor due diligence | Painkiller vs. vitamin, timing, moat dynamics, unit economics, founder-fit |
| 🧪 Value Prop Stress Tester | Value Proposition Design by Osterwalder | Jobs-Pains-Gains breakdown + 10 critical pass/fail questions |
| Verdict | Meaning |
|---|---|
| 🟢 Pursue | Highest-risk assumption identified with a concrete validation experiment |
| 🟡 Narrow | Cut scope to a specific segment or feature, then re-test |
| 🔴 Kill | Fatal flaw found — do not pursue this direction |
mkdir -p ~/.claude/skills/validate-idea
cp SKILL.md ~/.claude/skills/validate-idea/SKILL.md/validate-idea
Or just describe your idea — Claude will ask clarifying questions before launching the experts.
The skill automatically matches the user's language. Write in Chinese, get responses in Chinese. Write in English, get responses in English.
Inspired by:
- Riskiest Assumption Test (RAT) — find what kills you fastest
- The Mom Test by Rob Fitzpatrick — how to talk to customers without lying to yourself
- Value Proposition Design by Alexander Osterwalder — Jobs-Pains-Gains framework
- Angel investing due diligence — the questions investors actually ask before writing checks