> browse/registry

> detox

When the user wants to write end-to-end tests for React Native apps using Detox's gray-box testing approach. Also use when the user mentions "detox," "React Native testing," "React Native E2E," "gray-box testing," or "Wix Detox." For general mobile testing, see appium. For simpler mobile UI flows, see maestro.

> react-native-platform-specific

Handle iOS and Android differences using Platform API and native modules in React Native. Use when handling platform-specific behavior or integrating native modules in React Native. (triggers: **/*.tsx, **/*.ts, **/*.ios.*, **/*.android.*, Platform, Platform.select, native-module, ios, android)

> flutter-security

Enforce OWASP Mobile security standards for Flutter apps. Use when storing data, making network calls, handling tokens/PII, or preparing a release build. (triggers: lib/infrastructure/**, pubspec.yaml, secure_storage, obfuscate, jailbreak, pinning, PII, OWASP)

> react-native-navigation-v6

Configure React Navigation 6+ stacks, tabs, and deep linking for React Native. Use when implementing React Navigation stacks, tabs, or deep linking in React Native. (triggers: **/*Navigation*.tsx, src/navigation/**, navigation, react-navigation, stack, tab, drawer, deep link)

> react-native-security

Secure storage, network traffic, and deep links in React Native mobile apps. Use when implementing secure storage, certificate pinning, or deep link validation in React Native. (triggers: **/*.tsx, **/*.ts, security, keychain, secure-storage, deep-link, certificate-pinning)

> flutter-getx-state-management

Manage reactive state with GetX controllers and observables in Flutter. Use when managing reactive state with GetX controllers or observables in Flutter. (triggers: **_controller.dart, **/bindings/*.dart, GetxController, Obx, GetBuilder, .obs, Get.put, Get.find, Get.lazyPut)

> flutter-notifications

Integrate push and local notifications using FCM and flutter_local_notifications. Use when adding push or local notifications to Flutter apps. (triggers: **/*notification*.dart, **/main.dart, FirebaseMessaging, FlutterLocalNotificationsPlugin, FCM, notification, push)

> react-native-navigation

Set up navigation stacks and deep linking with React Navigation in React Native. Use when setting up navigation stacks or deep linking in React Native with React Navigation. (triggers: **/App.tsx, **/*Navigator.tsx, **/*Screen.tsx, NavigationContainer, createStackNavigator, createBottomTabNavigator, linking, deep link)

> react-native-styling

Style React Native apps with StyleSheet API, Flexbox, theming, and responsive design. Use when implementing React Native styles, theming, Flexbox layouts, or responsive design. (triggers: **/*.tsx, **/*.ts, StyleSheet, style, theme, responsive, flexbox)

> flutter-localization

Add multi-language support using easy_localization with CSV or JSON. Use when implementing localization or multi-language support in Flutter apps. (triggers: **/assets/translations/*.json, **/assets/langs/*.csv, main.dart, localization, multi-language, translation, tr(), easy_localization, sheet_loader)

> react-native-performance

Optimize React Native rendering for smooth 60fps mobile experiences. Use when optimizing React Native app performance, reducing re-renders, or fixing frame drops. (triggers: **/*.tsx, **/*.ts, FlatList, memo, useMemo, useCallback, performance, optimization)

> flutter-performance

Optimization standards for rebuilds and memory. Use when optimizing Flutter widget rebuilds, reducing memory usage, or improving rendering performance. (triggers: lib/presentation/**, pubspec.yaml, const, buildWhen, ListView.builder, Isolate, RepaintBoundary)

> flutter-idiomatic-flutter

Compose modern Flutter layouts and widgets idiomatically. Use when composing Flutter widget trees, managing layout constraints, or following idiomatic Flutter patterns. (triggers: lib/presentation/**/*.dart, context.mounted, SizedBox, Gap, composition, shrink)

> flutter-expert

Master Flutter development with Dart 3, advanced widgets, and multi-platform deployment. Handles state management, animations, testing, and performance optimization for mobile, web, desktop, and embedded platforms. Use PROACTIVELY for Flutter architecture, UI implementation, or cross-platform features.

> react-native-architecture

Structure React Native projects with feature-first organization and separation of concerns. Use when structuring a React Native project or applying clean architecture patterns. (triggers: src/**/*.tsx, src/**/*.ts, app.json, feature, module, directory structure, separation of concerns, Expo, React Navigation, StyleSheet.create, react-native, mobile architecture)

> flutter-auto-route-navigation

Implement typed routing, nested routes, and guards using auto_route. Use when adding typed navigation, nested routes, or route guards with auto_route in Flutter. (triggers: **/router.dart, **/app_router.dart, AutoRoute, AutoRouter, router, guards, navigate, push)

> flutter-feature-based-clean-architecture

Organize Flutter apps with modular feature-based clean architecture. Use when creating or modifying any file under lib/features/ including domain entities, repositories, data sources, or screens. (triggers: lib/features/**, feature, domain, infrastructure, application, presentation)

> firebase-apk-scanner

Scans Android APKs for Firebase security misconfigurations including open databases, storage buckets, authentication issues, and exposed cloud functions. Use when analyzing APK files for Firebase vulnerabilities, performing mobile app security audits, or testing Firebase endpoint security. For authorized security research only.

> flutter-navigation

Implement navigation patterns with go_router, deep linking, and named routes. Use when building navigation, deep linking, or named routes in Flutter. (triggers: **/*_route.dart, **/*_router.dart, **/main.dart, Navigator, GoRouter, routes, deep link, go_router, AutoRoute)

> mobile-developer

Develop React Native, Flutter, or native mobile apps with modern architecture patterns. Masters cross-platform development, native integrations, offline sync, and app store optimization. Use PROACTIVELY for mobile features, cross-platform code, or app optimization.