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EAS (Expo Application Services) provides a comprehensive pipeline for building, signing, and submitting mobile applications to the Apple App Store, TestFlight, and Google Play. This skill supports Expo and React Native projects, as well as existing native iOS and Android applications. It manages the entire release lifecycle, including configuration via eas.json, versioning, metadata management, and automated store submission workflows.
What it does
- Configures build profiles and submission settings in eas.json
- Automates the build process for iOS and Android platforms
- Handles app versioning and build number management
- Submits binary artifacts directly to App Store Connect and Google Play Console
- Manages App Store metadata and store presence via CLI
- Integrates with CI/CD pipelines for automated release workflows
When to use it
- When preparing a production release for iOS or Android
- When automating the distribution of beta builds to TestFlight
- When managing app store metadata and store listings programmatically
- When setting up CI/CD for mobile app deployments
- When needing to handle native signing and provisioning for mobile builds
Advantages
- Streamlines the complex process of mobile app store submission
- Supports both cross-platform and native-only project structures
- Reduces manual effort through automated build and submission commands
- Provides consistent versioning and build management across platforms
- Enables infrastructure-as-code for app store metadata
Usage examples
- “Build my production iOS app and submit it to the App Store automatically.”
- The agent executes the build command with the production profile and the auto-submit flag, packaging the app and pushing it to App Store Connect.
- “How do I set up my project for EAS builds?”
- The agent guides you through running eas init and configuring the build profiles in eas.json to match your project requirements.
- “Update my App Store metadata using the current configuration.”
- The agent uses the metadata push command to sync your local store.config.json settings with the App Store Connect portal.
- “Check the status of my recent build.”
- The agent lists recent builds or retrieves the specific status of a build ID, providing visibility into the CI/CD process.
Install
Download the skill as a ZIP:
https://autogineer.com/agent-skills/expo/eas-app-stores/downloadUnzip it into the cross-client skills folder of your project:
mkdir -p .agents/skills && unzip eas-app-stores.zip -d .agents/skills
Documentation by Expo
App Store Deployment
EAS service - costs apply. Cloud builds use EAS plan resources, and EAS services have free-tier and paid-plan limits. Apple Developer and Google Play memberships are separate. Check https://expo.dev/pricing for the requested service.
This skill covers building and releasing iOS and Android apps with EAS: Expo and other React Native projects, plus existing native apps. EAS is a delivery service; native apps can use it without adding Expo or React Native to their runtime. The native setup walkthrough currently covers SwiftUI/UIKit on iOS.
Choose the project path
SwiftUI/UIKit app with no React Native runtime: read references/native-ios.md before changing its build configuration. Keep the Xcode project and Swift code as the app's source of truth. The Expo/React Native quick-start and development-client examples below do not apply to this path.
Native Android app with no React Native runtime: preserve its existing native build setup. See references/play-store.md for submission; the Swift/iOS setup instructions do not apply. A dedicated native Android setup walkthrough is not yet included.
Expo/React Native app: use the quick-start below, then the relevant store reference.
Adding React Native screens to an existing native app: use
expo-brownfieldfor that integration; return here for distribution.
Use the archive and icon checks in references/native-ios.md during initial native iOS setup, after changing versioning, bundle IDs, or icons, or when diagnosing a rejected upload. Routine releases follow the EAS build/submit flow and the processing and availability checks in references/testflight.md. A successful EAS build or a queued submission does not establish Apple acceptance, tester access, or an App Store release.
References
Consult these resources as needed:
./references/workflows.md -- CI/CD workflows for automated store releases and PR previews
./references/testflight.md -- Submitting iOS builds to TestFlight for beta testing
./references/app-store-metadata.md -- Managing App Store metadata and ASO optimization
./references/play-store.md -- Submitting Android builds to Google Play Store
./references/ios-app-store.md -- iOS App Store submission and review process
./references/native-ios.md -- Native Swift/SwiftUI/UIKit setup, versioning, and archive verification without an Expo runtime
Expo / React Native Quick Start
Install EAS CLI
npm install -g eas-cli
eas loginInitialize EAS
npx eas-cli@latest initeas init links or creates the EAS project. Run eas build:configure to create build profiles in eas.json; preserve existing project and store identifiers when a release setup already exists.
Build Commands
Production Builds
# iOS App Store build
npx eas-cli@latest build -p ios --profile production
# Android Play Store build
npx eas-cli@latest build -p android --profile production
# Both platforms
npx eas-cli@latest build --profile productionSubmit to Stores
# iOS: Build and submit to App Store Connect
npx eas-cli@latest build -p ios --profile production --auto-submit
# Android: Build and submit to Play Store
npx eas-cli@latest build -p android --profile production --auto-submit
# Expo / React Native shortcut for iOS TestFlight
npx testflightWeb & API Route Hosting
Deploying an Expo website or Expo Router API routes to EAS Hosting (npx expo export -p web then eas deploy) is covered by the eas-hosting skill. This skill focuses on native app store releases.
EAS Configuration
Example for an Expo / React Native project (native Swift profiles are in references/native-ios.md):
{
"cli": {
"version": ">= 16.0.1",
"appVersionSource": "remote"
},
"build": {
"production": {
"autoIncrement": true,
"ios": {
"resourceClass": "m-medium"
}
},
"development": {
"developmentClient": true,
"distribution": "internal"
}
},
"submit": {
"production": {
"ios": {
"appleId": "[email protected]",
"ascAppId": "1234567890"
},
"android": {
"serviceAccountKeyPath": "./google-service-account.json",
"track": "internal"
}
}
}
}Platform-Specific Guides
iOS
For native Swift apps, use the explicit build/submit flow in
references/native-ios.mdFor Expo / React Native apps,
npx testflightprovides a quick TestFlight flowConfigure Apple credentials via
eas credentialsSee ./references/testflight.md for credential setup
See ./references/ios-app-store.md for App Store submission
Android
Set up Google Play Console service account
Configure tracks: internal → closed → open → production
See ./references/play-store.md for detailed setup
Automated Releases
EAS Workflows automate the build → submit → update pipeline for CI/CD. See ./references/workflows.md for store-release examples. To author or validate workflow YAML, use the eas-workflows skill - it works from the live workflow schema.
Version Management
EAS manages version numbers automatically with appVersionSource: "remote":
# Check current versions
eas build:version:get
# Manually set version
eas build:version:set -p iosThe version-set command prompts for the value. When setting up or changing native iOS versioning, or diagnosing a duplicate build number, inspect the archived CFBundleVersion: the remote counter alone does not prove that Xcode used it.
Monitoring
# List recent builds
eas build:list
# Check build status
eas build:view BUILD_ID
# Inspect submissions (verified with EAS CLI 23.2.0)
eas submit:list -p ios --json
eas submit:view SUBMISSION_ID --jsonCheck the CLI version before interpreting a missing command: these submission commands are available in 23.2.0 but not in the tested 18.6.0 installation. A pinned npx [email protected] invocation can use them without changing the global installation. See references/testflight.md for live Apple status and retry guidance. Follow the returned log URLs when the JSON result omits the underlying failure. Report the exact build ID/version and the furthest verified release state.
Submitting Feedback
If you encounter errors, misleading or outdated information in this skill, report it so Expo can improve:
npx --yes @expo/agent-cli@latest feedback --category skills --subject "eas-app-stores" "<actionable feedback>"Only submit when you have something specific and actionable to report. Include as much relevant context as possible.
If an agent repeatedly fails at an Expo task or the user has to step in, submit a brief report of the task, expected result, and what went wrong using --category evals and the relevant Expo package or command as --subject.
Files
- ATTRIBUTION.mdAdded by AutoGineer815 B
- LICENSELicence file added by AutoGineer1.1 KiB
- SKILL.md7.3 KiB
- agents/openai.yaml343 B
- references/app-store-metadata.md13.6 KiB
- references/ios-app-store.md11.3 KiB
- references/native-ios.md9.9 KiB
- references/play-store.md5.7 KiB
- references/testflight.md5.8 KiB
- references/workflows.md2.1 KiB
references/app-store-metadata.md
App Store Metadata
Manage App Store metadata and optimize for ASO using EAS Metadata.
Contents
What is EAS Metadata?
Getting Started
Configuration File
App Store Optimization (ASO)
Categories
Localization
Dynamic Configuration
Age Rating (Advisory)
Release Strategy
Review Information
ASO Checklist
VS Code Integration
Common Issues
CI/CD Integration
Tips
What is EAS Metadata?
EAS Metadata automates App Store presence management from the command line using a store.config.json file instead of manually filling forms in App Store Connect. It includes built-in validation to catch common rejection pitfalls.
Current Status: Preview, Apple App Store only.
Getting Started
Pull Existing Metadata
If your app is already published, pull current metadata:
eas metadata:pullThis creates store.config.json with your current App Store configuration.
Push Metadata Updates
After editing your config, push changes:
eas metadata:pushImportant: You must submit a binary via eas submit before pushing metadata for new apps.
Configuration File
Create store.config.json at your project root:
{
"configVersion": 0,
"apple": {
"copyright": "2025 Your Company",
"categories": ["UTILITIES", "PRODUCTIVITY"],
"info": {
"en-US": {
"title": "App Name",
"subtitle": "Your compelling tagline",
"description": "Full app description...",
"keywords": ["keyword1", "keyword2", "keyword3"],
"releaseNotes": "What's new in this version...",
"promoText": "Limited time offer!",
"privacyPolicyUrl": "https://example.com/privacy",
"supportUrl": "https://example.com/support",
"marketingUrl": "https://example.com"
}
},
"advisory": {
"alcoholTobaccoOrDrugUseOrReferences": "NONE",
"gamblingSimulated": "NONE",
"medicalOrTreatmentInformation": "NONE",
"profanityOrCrudeHumor": "NONE",
"sexualContentGraphicAndNudity": "NONE",
"sexualContentOrNudity": "NONE",
"horrorOrFearThemes": "NONE",
"matureOrSuggestiveThemes": "NONE",
"violenceCartoonOrFantasy": "NONE",
"violenceRealistic": "NONE",
"violenceRealisticProlongedGraphicOrSadistic": "NONE",
"contests": "NONE",
"gambling": false,
"unrestrictedWebAccess": false,
"seventeenPlus": false
},
"release": {
"automaticRelease": true,
"phasedRelease": true
},
"review": {
"firstName": "John",
"lastName": "Doe",
"email": "[email protected]",
"phone": "+1 555-123-4567",
"notes": "Demo account: [email protected] / password123"
}
}
}App Store Optimization (ASO)
Title Optimization (30 characters max)
The title is the most important ranking factor. Include your brand name and 1-2 strongest keywords.
{
"title": "Budgetly - Money Tracker"
}Best Practices:
Brand name first for recognition
Include highest-volume keyword
Avoid generic words like "app" or "the"
Title keywords boost rankings by ~10%
Subtitle Optimization (30 characters max)
The subtitle appears below your title in search results. Use it for your unique value proposition.
{
"subtitle": "Smart Expense & Budget Planner"
}Best Practices:
Don't duplicate keywords from title (Apple counts each word once)
Highlight your main differentiator
Include secondary high-value keywords
Focus on benefits, not features
Keywords Field (100 characters max)
Hidden from users but crucial for discoverability. Use comma-separated keywords without spaces after commas.
{
"keywords": [
"finance,budget,expense,money,tracker,savings,bills,income,spending,wallet,personal,weekly,monthly"
]
}Best Practices:
Use all 100 characters
Separate with commas only (no spaces)
No duplicates from title/subtitle
Include singular forms (Apple handles plurals)
Add synonyms and alternate spellings
Include competitor brand names (carefully)
Use digits instead of spelled numbers ("5" not "five")
Skip articles and prepositions
Description Optimization
The iOS description is NOT indexed for search but critical for conversion. Focus on convincing users to download.
{
"description": "Take control of your finances with Budgetly, the intuitive money management app trusted by over 1 million users.\n\nKEY FEATURES:\n• Smart budget tracking - Set limits and watch your progress\n• Expense categorization - Know exactly where your money goes\n• Bill reminders - Never miss a payment\n• Beautiful charts - Visualize your financial health\n• Bank sync - Connect 10,000+ institutions\n• Cloud backup - Your data, always safe\n\nWHY BUDGETLY?\nUnlike complex spreadsheets or basic calculators, Budgetly learns your spending habits and provides personalized insights. Our users save an average of $300/month within 3 months.\n\nPRIVACY FIRST\nYour financial data is encrypted end-to-end. We never sell your information.\n\nDownload Budgetly today and start your journey to financial freedom!"
}Best Practices:
Front-load the first 3 lines (visible before "more")
Use bullet points for features
Include social proof (user counts, ratings, awards)
Add a clear call-to-action
Mention privacy/security for sensitive apps
Update with each release
Release Notes
Shown to existing users deciding whether to update.
{
"releaseNotes": "Version 2.5 brings exciting improvements:\n\n• NEW: Dark mode support\n• NEW: Widget for home screen\n• IMPROVED: 50% faster sync\n• FIXED: Notification timing issues\n\nLove Budgetly? Please leave a review!"
}Promo Text (170 characters max)
Appears above description; can be updated without new binary. Great for time-sensitive promotions.
{
"promoText": "🎉 New Year Special: Premium features free for 30 days! Start 2025 with better finances."
}Categories
Primary category is most important for browsing and rankings.
{
"categories": ["FINANCE", "PRODUCTIVITY"]
}Available Categories:
BOOKS, BUSINESS, DEVELOPER_TOOLS, EDUCATION
ENTERTAINMENT, FINANCE, FOOD_AND_DRINK
GAMES (with subcategories), GRAPHICS_AND_DESIGN
HEALTH_AND_FITNESS, KIDS (age-gated)
LIFESTYLE, MAGAZINES_AND_NEWSPAPERS
MEDICAL, MUSIC, NAVIGATION, NEWS
PHOTO_AND_VIDEO, PRODUCTIVITY, REFERENCE
SHOPPING, SOCIAL_NETWORKING, SPORTS
STICKERS (with subcategories), TRAVEL
UTILITIES, WEATHER
Localization
Localize metadata for each target market. Keywords should be researched per locale—direct translations often miss regional search terms.
{
"info": {
"en-US": {
"title": "Budgetly - Money Tracker",
"subtitle": "Smart Expense Planner",
"keywords": ["budget,finance,money,expense,tracker"]
},
"es-ES": {
"title": "Budgetly - Control de Gastos",
"subtitle": "Planificador de Presupuesto",
"keywords": ["presupuesto,finanzas,dinero,gastos,ahorro"]
},
"ja": {
"title": "Budgetly - 家計簿アプリ",
"subtitle": "簡単支出管理",
"keywords": ["家計簿,支出,予算,節約,お金"]
},
"de-DE": {
"title": "Budgetly - Haushaltsbuch",
"subtitle": "Ausgaben Verwalten",
"keywords": ["budget,finanzen,geld,ausgaben,sparen"]
}
}
}Supported Locales:
ar-SA, ca, cs, da, de-DE, el, en-AU, en-CA, en-GB, en-US, es-ES, es-MX, fi, fr-CA, fr-FR, he, hi, hr, hu, id, it, ja, ko, ms, nl-NL, no, pl, pt-BR, pt-PT, ro, ru, sk, sv, th, tr, uk, vi, zh-Hans, zh-Hant
Dynamic Configuration
Use JavaScript for dynamic values like copyright year or fetched translations.
Basic Dynamic Config
// store.config.js
const baseConfig = require("./store.config.json");
const year = new Date().getFullYear();
module.exports = {
...baseConfig,
apple: {
...baseConfig.apple,
copyright: `${year} Your Company, Inc.`,
},
};Async Configuration (External Localization)
// store.config.js
module.exports = async () => {
const baseConfig = require("./store.config.json");
// Fetch translations from CMS/localization service
const translations = await fetch(
"https://api.example.com/app-store-copy"
).then((r) => r.json());
return {
...baseConfig,
apple: {
...baseConfig.apple,
info: translations,
},
};
};Environment-Based Config
// store.config.js
const baseConfig = require("./store.config.json");
const isProduction = process.env.EAS_BUILD_PROFILE === "production";
module.exports = {
...baseConfig,
apple: {
...baseConfig.apple,
info: {
"en-US": {
...baseConfig.apple.info["en-US"],
promoText: isProduction
? "Download now and get started!"
: "[BETA] Help us test new features!",
},
},
},
};Update eas.json to use JS config:
{
"cli": {
"metadataPath": "./store.config.js"
}
}Age Rating (Advisory)
Answer content questions honestly to get an appropriate age rating.
Content Descriptors:
NONE- Content not presentINFREQUENT_OR_MILD- Occasional mild contentFREQUENT_OR_INTENSE- Regular or strong content
{
"advisory": {
"alcoholTobaccoOrDrugUseOrReferences": "NONE",
"contests": "NONE",
"gambling": false,
"gamblingSimulated": "NONE",
"horrorOrFearThemes": "NONE",
"matureOrSuggestiveThemes": "NONE",
"medicalOrTreatmentInformation": "NONE",
"profanityOrCrudeHumor": "NONE",
"sexualContentGraphicAndNudity": "NONE",
"sexualContentOrNudity": "NONE",
"unrestrictedWebAccess": false,
"violenceCartoonOrFantasy": "NONE",
"violenceRealistic": "NONE",
"violenceRealisticProlongedGraphicOrSadistic": "NONE",
"seventeenPlus": false,
"kidsAgeBand": "NINE_TO_ELEVEN"
}
}Kids Age Bands: FIVE_AND_UNDER, SIX_TO_EIGHT, NINE_TO_ELEVEN
Release Strategy
Control how your app rolls out to users.
{
"release": {
"automaticRelease": true,
"phasedRelease": true
}
}Options:
automaticRelease: true- Release immediately upon approvalautomaticRelease: false- Manual release after approvalautomaticRelease: "2025-02-01T10:00:00Z"- Schedule release (RFC 3339)phasedRelease: true- 7-day gradual rollout (1%, 2%, 5%, 10%, 20%, 50%, 100%)
Review Information
Provide contact info and test credentials for the App Review team.
{
"review": {
"firstName": "Jane",
"lastName": "Smith",
"email": "[email protected]",
"phone": "+1 (555) 123-4567",
"demoUsername": "[email protected]",
"demoPassword": "ReviewDemo2025!",
"notes": "To test premium features:\n1. Log in with demo credentials\n2. Navigate to Settings > Subscription\n3. Tap 'Restore Purchase' - sandbox purchase will be restored\n\nFor location features, allow location access when prompted."
}
}ASO Checklist
Before Each Release
[ ] Update keywords based on performance data
[ ] Refresh description with new features
[ ] Write compelling release notes
[ ] Update promo text if running campaigns
[ ] Verify all URLs are valid
Monthly ASO Tasks
[ ] Analyze keyword rankings
[ ] Research competitor keywords
[ ] Check conversion rates in App Analytics
[ ] Review user feedback for keyword ideas
[ ] A/B test screenshots in App Store Connect
Keyword Research Tips
Brainstorm features - List all app capabilities
Mine reviews - Find words users actually use
Analyze competitors - Check their titles/subtitles
Use long-tail keywords - Less competition, higher intent
Consider misspellings - Common typos can drive traffic
Track seasonality - Some keywords peak at certain times
Metrics to Monitor
Impressions - How often your app appears in search
Product Page Views - Users who tap to learn more
Conversion Rate - Views → Downloads
Keyword Rankings - Position for target keywords
Category Ranking - Position in your categories
VS Code Integration
Install the Expo Tools extension for:
Auto-complete for all schema properties
Inline validation and warnings
Quick fixes for common issues
Common Issues
"Binary not found"
Push a binary with eas submit before pushing metadata.
"Invalid keywords"
Check total length is ≤100 characters
Remove spaces after commas
Remove duplicate words
"Description too long"
Description maximum is 4000 characters.
Pull doesn't update JS config
eas metadata:pull creates a JSON file; import it into your JS config.
CI/CD Integration
Automate metadata updates in your deployment pipeline:
# .eas/workflows/release.yml
jobs:
submit-and-metadata:
steps:
- name: Submit to App Store
run: eas submit -p ios --latest
- name: Push Metadata
run: eas metadata:pushTips
Update metadata every 4-6 weeks for optimal ASO
70% of App Store visitors use search to find apps
Apps with 4+ star ratings get featured more often
Localized apps see 128% more downloads per country
First 3 lines of description are most critical (shown before "more")
Use all 100 keyword characters—every character counts
Requirements and compatibility
Works with: Claude Code, Claude apps, OpenAI Codex, GitHub Copilot, Cursor, Gemini CLI, Kiro, OpenCode, Goose, Amp, Roo Code, JetBrains Junie, Factory Droid, Devin (ex-Windsurf), Mistral Vibe, OpenHands, Letta
“Works with” means the tool reads the open Agent Skills format; a skill written for one tool may use features others lack.
Needs: Needs Node.js
Security
What our scanner noticed· Low risk
- Instructions that use the network
A static scan is not a guarantee. Skills are third-party content: review a skill before you let an agent use it.
Attribution and licence
- Published by
- Expo
- Publisher
- Expo (Official)
- Source
- expo/skills · plugins/expo/skills/eas-app-stores · commit a9e5bd3
- Licence
- MIT License (redistribution allowed)
- LICENSE (added by AutoGineer from plugins/expo/LICENSE)
- ATTRIBUTION.md (written by AutoGineer)
- Synced
AutoGineer is not affiliated with or endorsed by Expo or Expo.
Download ZIP
The ZIP holds the skill’s files, its licence files and an ATTRIBUTION.md. Download eas-app-stores.zip