Build and maintain a design system inside an Expo app - a reusable theme of design tokens (color, spacing, typography, radius, shadow, motion), reusable component structure with variant/size/state prop conventions, and rules for when to extract a repeated view into a shared component.
Install
npx skills add expo/skills --skill expo-design-systemnpx skills add expo/skills --skill expo-design-system -a claude-code -gnpx skills add expo/skills --skill expo-design-system -a codex -ggemini skills install https://github.com/expo/skills.git --path plugins/expo/skills/expo-design-systemgh skill install expo/skills expo-design-systemgit clone --depth 1 https://github.com/expo/skills /tmp/expo__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/expo__skills/plugins/expo/skills/expo-design-system ~/.claude/skills/expo-design-system # Claude Code
cp -R /tmp/expo__skills/plugins/expo/skills/expo-design-system ~/.agents/skills/expo-design-system # Codex, Cursor, Gemini CLI, Copilot, OpenCode