Expo Skills

Add an iOS App Clip target to an Expo app. Use when the user mentions App Clip, AASA, apple-app-site-association, appclips, smart app banner, or wants to ship…

Test Expo Router features on Android emulators using ADB. Use after implementing native Android features or when verifying UI behavior on Android.

Test Expo Router features on Android emulators using ADB. Use after implementing native Android features or when verifying UI behavior on Android.

Use when building Android UIs with Jetpack Compose, managing state with remember/mutableStateOf, or implementing declarative UI patterns.

Use when building Android UIs with Jetpack Compose, managing state with remember/mutableStateOf, or implementing declarative UI patterns.

Guidelines for creating API routes in Expo Router with EAS Hosting

Complete guide for building native Expo apps with routing, styling, components, and platform conventions. Covers Expo Router fundamentals, native tabs, stack navigation, modals, and form sheets with detailed route structure conventions Includes styling rules aligned with Apple Human Interface Guidelines: flexbox layouts, safe area handling, animations, shadows via CSS boxShadow , and responsive design patterns Documents library preferences (expo-image for SF Symbols, expo-audio, expo-video,...

Complete guide for building beautiful apps with Expo Router. Covers fundamentals, styling, components, navigation, animations, patterns, and native tabs.

Helps understand and write EAS workflow YAML files for Expo projects. Use this skill when the user asks about CI/CD or workflows in an Expo or EAS context,…

Use when implementing or debugging ANY network request, API call, or data fetching. Covers fetch API, axios, React Query, SWR, error handling, caching…

In-depth design-focused code review - understands codebase context before evaluating PR changes, posts structured feedback to GitHub

In-depth design-focused code review - understands codebase context before evaluating PR changes, posts structured feedback to GitHub

Deploying Expo apps to iOS App Store, Android Play Store, web hosting, and API routes

Build and distribute Expo development clients locally or via TestFlight

EAS service (paid). Deploy Expo apps to the app stores with EAS - build and submit to the iOS App Store, Google Play Store, and TestFlight, configure eas.json…

EAS service (paid). Deploy Expo apps to the app stores with EAS - build and submit to the iOS App Store, Google Play Store, and TestFlight, configure eas.json…

EAS service (paid). Deploy Expo websites and Expo Router API routes to EAS Hosting - export the web bundle, run eas deploy for production and PR preview URLs,…

EAS service (paid). Deploy Expo websites and Expo Router API routes to EAS Hosting - export the web bundle, run eas deploy for production and PR preview URLs,…

EAS service (paid). Use for anything related to EAS Observe - adding `expo-observe` to an Expo project (AppMetricsRoot/ObserveRoot HOC, markInteractive, the…

EAS service (paid). Run and control a user's app on a remote iOS/Android simulator hosted on EAS cloud. Read before running any `eas simulator:*` commands - it…

EAS service (paid). Run and control a user's app on a remote iOS/Android simulator hosted on EAS cloud. Read before running any `eas simulator:*` commands - it…

EAS service (paid). Check the health of published EAS Update: crash rates, install/launch counts, unique users, payload size, and the split between embedded…

Check the health of published EAS Updates: crash rates, install/launch counts, unique users, payload size, and the split between embedded and OTA users per…

EAS service (paid). Helps understand and write EAS workflow YAML files for Expo projects. Use this skill when the user asks about CI/CD or workflows in an Expo…

EAS service (paid). Helps understand and write EAS workflow YAML files for Expo projects. Use this skill when the user asks about CI/CD or workflows in an Expo…

`@expo/ui/jetpack-compose` package lets you use Jetpack Compose Views and modifiers in your app.

`@expo/ui/swift-ui` package lets you use SwiftUI Views and modifiers in your app.

Write TSDoc comments for Expo SDK APIs following official conventions. MUST USE when introducing new user-facing TypeScript APIs in expo-* packages - document…

Write TSDoc comments for Expo SDK APIs following official conventions. MUST USE when introducing new user-facing TypeScript APIs in expo-* packages - document…

API routes in Expo Router for server-side logic, secrets, and third-party integrations on EAS Hosting. Create routes with +api.ts suffix in the app directory; export named functions for HTTP methods (GET, POST, PUT, DELETE) Handle query parameters, headers, JSON bodies, and dynamic route segments; add CORS headers for web clients Access server-side secrets via process.env ; set variables locally in .env or via eas env:create for production Deploy to EAS Hosting (Cloudflare Workers) with eas...

Framework (OSS). Add an iOS App Clip target to an Expo app. Use when the user mentions App Clip, AASA, apple-app-site-association, appclips, smart app banner,…

Framework (OSS). Add an iOS App Clip target to an Expo app. Use when the user mentions App Clip, AASA, apple-app-site-association, appclips, smart app banner,…

Framework (OSS). Integrate Expo and React Native into an existing native iOS or Android app. Use when the user mentions brownfield, embedding React Native in a…

Write and validate EAS CI/CD workflow YAML files for Expo projects. Fetches the latest JSON schema from Expo's API to ensure job types, parameters, triggers, and runner configurations are current Supports dynamic expressions using ${{ }} syntax with contexts for GitHub events, workflow inputs, job outputs, and step results Includes built-in validation script that checks workflow structure against the schema and reports errors before deployment Provides reference documentation for syntax,...

Framework (OSS). Use when implementing or debugging ANY network request, API call, or data fetching. Covers fetch API, React Query, SWR, error handling, caching, offline support, and Expo Router data loaders (`useLoaderData`).

Framework (OSS). Use when implementing or debugging ANY network request, API call, or data fetching. Covers fetch API, React Query, SWR, error handling,…

Automated deployment of Expo apps to iOS App Store, Android Play Store, web hosting, and preview environments. Supports production builds and submissions for iOS (App Store and TestFlight) and Android (Google Play Store) with single commands Includes EAS Hosting for web deployments with automatic PR preview URLs and production domain support Provides CI/CD workflow automation via EAS Workflows for triggered builds and submissions on code pushes Automatic version management with remote...

Framework (OSS). Build and maintain a design system inside an Expo app - a reusable theme of design tokens (color, spacing, typography, radius, shadow,…

Build custom Expo development clients for testing native code on physical devices via EAS Build or locally. Only needed when using custom native modules, Apple targets (widgets, app clips), or third-party native code not in Expo Go; try Expo Go first with npx expo start Supports cloud builds with automatic TestFlight submission or local builds on your machine, outputting .ipa (iOS) or .apk / .aab (Android) files Requires eas.json configuration with a development profile that sets...

Build custom Expo development clients for testing native code on physical devices via EAS Build or locally. Only needed when using custom native modules, Apple targets (widgets, app clips), or third-party native code not in Expo Go; try Expo Go first with npx expo start Supports cloud builds with automatic TestFlight submission or local builds on your machine, outputting .ipa (iOS) or .apk / .aab (Android) files Requires eas.json configuration with a development profile that sets...

Framework (OSS). Use Expo DOM components to run web code in a webview on native and as-is on web. Migrate web code to native incrementally. For the end-to-end…

Framework (OSS). Use Expo DOM components to run web code in a webview on native and as-is on web. Migrate web code to native incrementally. For the end-to-end…

Framework (OSS). Expo's official example projects - the expo/examples repo of ~70 `with-*` integrations (Stripe, Clerk, Supabase, OpenAI, maps, Reanimated,…

Framework (OSS). Expo's official example projects - the expo/examples repo of ~70 `with-*` integrations (Stripe, Clerk, Supabase, OpenAI, maps, Reanimated,…

Framework (OSS). Migrate an existing Apple/Swift Expo native module from the Expo Modules API 1.0 definition DSL to the 2.0 macro API (sometimes called v2)…

Complete reference for building native modules and views with the Expo Modules API across Swift, Kotlin, and TypeScript. Covers module definition DSL (Function, AsyncFunction, Property, Constant, Events), native views, shared objects, and type system with examples in both Swift and Kotlin Includes lifecycle hooks for module initialization, iOS AppDelegate, and Android activity/application listeners Provides config plugin guidance for modifying Info.plist and AndroidManifest.xml, plus...

Guide for creating and writing Expo native modules and views using the Expo Modules API (Swift, Kotlin, TypeScript). Covers module definition DSL, native…

Framework (OSS). Build beautiful, native-feeling Expo screens. Covers Apple HIG styling, semantic colors, native controls, SF Symbols, media, animations,…

Framework (OSS). Build beautiful, native-feeling Expo screens. Covers Apple HIG styling, semantic colors, native controls, SF Symbols, media, animations, visual effects, gradients, storage, and responsive layout. For routing and navigation, use the expo-router skill.

Use for anything related to EAS Observe — adding `expo-observe` to an Expo project (AppMetricsRoot/ObserveRoot HOC, markInteractive, the useObserve hook, the…

Framework (OSS). Folder structure for a new Expo app. Use when scaffolding or laying out a new Expo project with Expo Router, or deciding where a file should…

Run Expo's configured AI code reviewer on local changes or an expo/expo pull request, summarize findings and reviewer coverage, retain PR previews by default…

Framework (OSS). Navigation and routing for Expo Router. Covers file-based routes, groups and dynamic routes, folder organization, Link with previews and…

Framework (OSS). Navigation and routing for Expo Router. Covers file-based routes, groups and dynamic routes, folder organization, Link with previews and context menus, native Stack, page titles, modals and form sheets, NativeTabs, headers and toolbars, and header search bars.

Evaluate Expo skills in this repo end-to-end - trigger accuracy, generated code quality, and runtime screenshots on iOS simulator and Android emulator via Expo…

Evaluate Expo skills in this repo end-to-end - trigger accuracy, generated code quality, and runtime screenshots on iOS simulator and Android emulator via Expo…

Submit feedback on an Expo skill—or Expo itself—and control bundled anonymous usage telemetry (off by default / opt-in). Submit feedback with: npx --yes…

Universal Tailwind CSS v4 styling for Expo apps across iOS, Android, and Web. Integrates Tailwind CSS v4 with react-native-css and NativeWind v5 via Metro transformer, eliminating the need for Babel configuration Provides reusable CSS-wrapped component library (View, Text, ScrollView, Pressable, TextInput, Image, Link) that apply className styles to native elements Supports platform-specific styling through CSS media queries, custom theme variables via @theme blocks, and Apple semantic...

Universal Tailwind CSS v4 styling for Expo apps across iOS, Android, and Web. Integrates Tailwind CSS v4 with react-native-css and NativeWind v5 via Metro transformer, eliminating the need for Babel configuration Provides reusable CSS-wrapped component library (View, Text, ScrollView, Pressable, TextInput, Image, Link) that apply className styles to native elements Supports platform-specific styling through CSS media queries, custom theme variables via @theme blocks, and Apple semantic...

Framework (OSS). Build native UI with the @expo/ui package: real SwiftUI on iOS and Jetpack Compose on Android rendered from React in an Expo or React Native…

Framework (OSS). Build native UI with the @expo/ui package: real SwiftUI on iOS and Jetpack Compose on Android rendered from React in an Expo or React Native app. Covers universal cross-platform components (Host, Column, Row, Button, Text, List, and more imported from @expo/ui), drop-in replacements for popular React Native community libraries (BottomSheet, DateTimePicker, Slider, Menu, etc.), and platform-specific SwiftUI (@expo/ui/swift-ui, iOS only) and Jetpack Compose...

`@expo/ui/jetpack-compose` package lets you use Jetpack Compose Views and modifiers in your app.

`@expo/ui/swift-ui` package lets you use SwiftUI Views and modifiers in your app.

Framework (OSS). Guidelines for upgrading Expo SDK versions and fixing dependency issues

Framework (OSS). Guidelines for upgrading Expo SDK versions and fixing dependency issues

Framework (OSS). Migrate an existing web React app to a native iOS/Android app with Expo. Use when the user wants to turn a website into a mobile app, port a…

Framework (OSS). Migrate an existing web React app to a native iOS/Android app with Expo. Use when the user wants to turn a website into a mobile app, port a…

Network requests, API calls, and data fetching for Expo apps with caching, error handling, and offline support. Covers fetch API, React Query, error handling patterns, token management with expo-secure-store, and retry logic with exponential backoff Includes offline-first strategies using NetInfo and React Query persistence, plus environment variable configuration with EXPO_PUBLIC_ prefix for client-side URLs Supports Expo Router data loaders ( useLoaderData ) for route-level data loading on...

Control and stream a running iOS, iPad, or Apple Watch Simulator with npx serve-sim. Use for simulator preview, taps, gestures, hardware buttons, rotation,…

Audit and update serve-sim's Device Hub-style simulator placeholder assets from local Xcode/CoreTypes resources. Use after installing a new Xcode or macOS…

Write, review, or improve SwiftUI code following best practices for state management, view composition, performance, macOS-specific APIs, and iOS 26+ Liquid…

Write, review, or improve SwiftUI code following best practices for state management, view composition, performance, macOS-specific APIs, and iOS 26+ Liquid…

Set up Tailwind CSS v4 in Expo with react-native-css and NativeWind v5 for universal styling

Structured guidance for upgrading Expo SDK versions and resolving dependency conflicts. Provides step-by-step upgrade process including diagnostics, cache clearing, and prebuild workflows for native changes Covers breaking changes across SDK 53–55, including React 19 migration, New Architecture defaults, React Compiler setup, and native module updates (tabs, audio, video) Includes deprecation map for packages like expo-av, expo-permissions, and AsyncStorage with replacement recommendations...

Run web-only libraries in Expo apps by rendering them in webviews on native and as-is on web. Supports any React web library (recharts, react-syntax-highlighter, canvas, WebGL) without modification by wrapping it in a DOM component file with the 'use dom'; directive Passes serializable props and async functions from native to webview, enabling bidirectional communication between native and web contexts Includes webview configuration options via the dom prop: scroll control, safe area...

Migrate an existing web React app to a native iOS/Android app with Expo. Use when the user wants to turn a website into a mobile app, port a Next.js/Vite/CRA…