Use when you need to explain why your solution works and others failed. Trigger on "unique mechanism", "why this works", "different angle", "positioning".
Install
npx skills add realkimbarrett/advertising-skills --skill mechanism-buildernpx skills add realkimbarrett/advertising-skills --skill mechanism-builder -a claude-code -gnpx skills add realkimbarrett/advertising-skills --skill mechanism-builder -a codex -ggemini skills install https://github.com/realkimbarrett/advertising-skills.git --path skills/copy-chief/mechanism-buildergh skill install realkimbarrett/advertising-skills mechanism-buildergit clone --depth 1 https://github.com/realkimbarrett/advertising-skills /tmp/realkimbarrett__advertising-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/realkimbarrett__advertising-skills/skills/copy-chief/mechanism-builder ~/.claude/skills/mechanism-builder # Claude Code
cp -R /tmp/realkimbarrett__advertising-skills/skills/copy-chief/mechanism-builder ~/.agents/skills/mechanism-builder # Codex, Cursor, Gemini CLI, Copilot, OpenCode