Use when asked for first-principles or Occam's-razor review, or when high-risk decisions involve competing constraints, fallback growth, duplicate owners, or architecture direction risk. Ordinary bug fixes stay on the fast path.
安装
npx skills add GanyuanRan/Aegis --skill first-principles-reviewnpx skills add GanyuanRan/Aegis --skill first-principles-review -a claude-code -gnpx skills add GanyuanRan/Aegis --skill first-principles-review -a codex -ggemini skills install https://github.com/GanyuanRan/Aegis.git --path skills/first-principles-reviewgh skill install GanyuanRan/Aegis first-principles-reviewgit clone --depth 1 https://github.com/GanyuanRan/Aegis /tmp/GanyuanRan__Aegis
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/GanyuanRan__Aegis/skills/first-principles-review ~/.claude/skills/first-principles-review # Claude Code
cp -R /tmp/GanyuanRan__Aegis/skills/first-principles-review ~/.agents/skills/first-principles-review # Codex, Cursor, Gemini CLI, Copilot, OpenCode