Full safety mode: destructive command warnings + directory-scoped edits. (gstack)
Install
npx skills add garrytan/gstack --skill guardnpx skills add garrytan/gstack --skill guard -a claude-code -gnpx skills add garrytan/gstack --skill guard -a codex -ggemini skills install https://github.com/garrytan/gstack.git --path guardgh skill install garrytan/gstack guardgit clone --depth 1 https://github.com/garrytan/gstack /tmp/garrytan__gstack
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/garrytan__gstack/guard ~/.claude/skills/guard # Claude Code
cp -R /tmp/garrytan__gstack/guard ~/.agents/skills/guard # Codex, Cursor, Gemini CLI, Copilot, OpenCode