Use when testing plans or decisions for blind spots, need adversarial review before launch, validating strategy against worst-case scenarios, building consensus through structured debate, identifying attack vectors or vulnerabilities, user mentions "play devil's advocate", "what could go wrong", "challenge our assumptions", "stress test this", "red team", or when groupthink or confirmation bias…
Install
npx skills add lyndonkl/claude --skill deliberation-debate-red-teamingnpx skills add lyndonkl/claude --skill deliberation-debate-red-teaming -a claude-code -gnpx skills add lyndonkl/claude --skill deliberation-debate-red-teaming -a codex -ggemini skills install https://github.com/lyndonkl/claude.git --path skills/deliberation-debate-red-teaminggh skill install lyndonkl/claude deliberation-debate-red-teaminggit clone --depth 1 https://github.com/lyndonkl/claude /tmp/lyndonkl__claude
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/lyndonkl__claude/skills/deliberation-debate-red-teaming ~/.claude/skills/deliberation-debate-red-teaming # Claude Code
cp -R /tmp/lyndonkl__claude/skills/deliberation-debate-red-teaming ~/.agents/skills/deliberation-debate-red-teaming # Codex, Cursor, Gemini CLI, Copilot, OpenCode