Integrate Expo and React Native into an existing native iOS or Android app. Use for brownfield, embedding a React Native screen in SwiftUI/UIKit or Kotlin, or AAR/XCFramework packaging. Covers isolated and integrated approaches. For building or distributing a purely native app with EAS, use eas-app-stores.
Install
npx skills add expo/skills --skill expo-brownfieldnpx skills add expo/skills --skill expo-brownfield -a claude-code -gnpx skills add expo/skills --skill expo-brownfield -a codex -ggemini skills install https://github.com/expo/skills.git --path plugins/expo/skills/expo-brownfieldgh skill install expo/skills expo-brownfieldgit 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-brownfield ~/.claude/skills/expo-brownfield # Claude Code
cp -R /tmp/expo__skills/plugins/expo/skills/expo-brownfield ~/.agents/skills/expo-brownfield # Codex, Cursor, Gemini CLI, Copilot, OpenCode