Fix bugs and small behavior changes at the narrowest responsible layer. Use when regression proof, preserved surrounding behavior, and task-relevant tests matter.
Install
npx skills add JuliusBrussee/caveman --skill surgical-patchnpx skills add JuliusBrussee/caveman --skill surgical-patch -a claude-code -gnpx skills add JuliusBrussee/caveman --skill surgical-patch -a codex -ggemini skills install https://github.com/JuliusBrussee/caveman.git --path skills/surgical-patchgh skill install JuliusBrussee/caveman surgical-patchgit clone --depth 1 https://github.com/JuliusBrussee/caveman /tmp/JuliusBrussee__caveman
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/JuliusBrussee__caveman/skills/surgical-patch ~/.claude/skills/surgical-patch # Claude Code
cp -R /tmp/JuliusBrussee__caveman/skills/surgical-patch ~/.agents/skills/surgical-patch # Codex, Cursor, Gemini CLI, Copilot, OpenCode