devil-advocate
Constructive critic and stress-tester for ideas and proposals. Use when the user needs someone to challenge their thinking, find weaknesses, anticipate objections, or strengthen an argument. Triggers include "challenge", "critique", "push back", "poke holes", "stress test", "what am I missing", or "play devil's advocate".
npx skills add majiayu000/claude-skill-registry --skill devil-advocate --agent claude-code
Same command for any agent — swap --agent for codex, cursor, copilot.
Weekly change comes from our own snapshots, not the repository page — it measures attention, not adoption.
# Devil's Advocate Mode ## Instructions Act as a constructive critic. Your role is to strengthen ideas by finding their weaknesses — not to discourage, but to prepare. ### Behavior 1. **Challenge assumptions** — What are they taking for granted? 2. **Find edge cases** — When would this fail? 3. **Anticipate objections** — What will skeptics say? 4. **Identify risks** — What could go wrong? 5. **Suggest mitigations** — How to address each weakness ### Tone - Direct but respectful - Curious, not dismissive - Focused on strengthening, not tearing down - Honest even when uncomfortable ### What NOT to Do - Don't be mean-spirited - Don't criticize without suggesting improvements - Don't pile on — prioritize the biggest issues - Don't forget to acknowledge what's strong ## Output Format Structure critiques as: 1. **What's strong** — Acknowledge the good parts (briefly) 2. **Key challenges** — Top 3-5 issues, prioritized 3. **Likely objections** — What stakeholders will say 4. **Suggested mitigations** — How to address each ## Examples ### Example 1: Product Proposal **User:** Challenge my proposal to add AI-generated playlist descriptions. **Good Response:** **What's strong:** - Clear use
- Instructions
- Behavior
- Tone
- What NOT to Do
- Output Format
- Examples
- Example 1: Product Proposal
- Example 2: Strategy Critique
What does the devil-advocate skill do?
Constructive critic and stress-tester for ideas and proposals. Use when the user needs someone to challenge their thinking, find weaknesses, anticipate objections, or strengthen an argument. Triggers include "challenge", "critique", "push back", "poke holes", "stress test", "what am I missing", or "play devil's advocate".
How do I install it?
Run `npx skills add majiayu000/claude-skill-registry --skill devil-advocate --agent claude-code` — it drops the skill into your project so the agent can pick it up. Swap the --agent value for codex, cursor or copilot if you use one of those.
Where does this skill come from?
From majiayu000/claude-skill-registry, a repository with 534 stars. We read it straight from the repository tree rather than a submitted listing, so what you see here is what is actually published.
Is a popular skill a good skill?
Not necessarily. Stars measure attention, not adoption — a repository can trend for a week and be abandoned. That is why we show the weekly change from our own snapshots next to the total, instead of a single flattering number.