Gstack Upgrade

npx skills add garrytan/gstack --skill gstack-upgrade

npx skills add garrytan/gstack --skill gstack-upgrade -a claude-code -g

npx skills add garrytan/gstack --skill gstack-upgrade -a codex -g

gemini skills install https://github.com/garrytan/gstack.git --path gstack-upgrade

gh skill install garrytan/gstack gstack-upgrade

git clone --depth 1 https://github.com/garrytan/gstack /tmp/garrytan__gstack
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/garrytan__gstack/gstack-upgrade ~/.claude/skills/gstack-upgrade   # Claude Code
cp -R /tmp/garrytan__gstack/gstack-upgrade ~/.agents/skills/gstack-upgrade   # Codex, Cursor, Gemini CLI, Copilot, OpenCode