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Brainstorm and rank iOS/macOS app ideas tailored to developer skills. Use when user says "what should I build", "give me app ideas", "I don't know what to build", "brainstorm app ideas", or "help me find an app idea".
Senior developer-level release review for macOS/iOS apps. Identifies security, privacy, UX, and distribution issues with actionable fixes. Use when preparing an app for release, want a critical review, or before App Store submission.
Security review and guidance for iOS, macOS, and watchOS apps. Covers secure storage, biometric authentication, network security, and platform-specific patterns. Use when implementing security features or reviewing code for vulnerabilities.
Modern SwiftUI toolbar patterns including customizable toolbars, search integration, transition effects, and platform-specific behavior. Use when implementing or customizing toolbars in SwiftUI.
AlarmKit integration for scheduling alarms and timers with custom UI, Live Activities, and snooze support. Use when implementing alarm or timer features in iOS 18+ apps.
Styled text display and rich text editing in SwiftUI using Text, AttributedString, and TextEditor with formatting controls. Use when implementing rich text editing or styled text display.
visionOS widget patterns including mounting styles, glass/paper textures, proximity-aware layouts, and spatial widget families. Use when creating or adapting widgets for visionOS.
WebKit integration in SwiftUI using WebView and WebPage for embedding web content, navigation, JavaScript interop, and customization. Use when embedding web content in SwiftUI apps.
Swift concurrency patterns including Swift 6.2 approachable concurrency, structured concurrency, actors, continuations, and migration. Use when reviewing or building async code, fixing data race errors, or migrating to Swift 6.
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...
When the user wants to automate mobile app testing on iOS and Android using Appium. Also use when the user mentions "appium," "mobile automation," "iOS testing," "Android testing," "mobile WebDriver," "XCUITest," or "UiAutomator." For React Native-specific testing, see detox.
When the user wants to write mobile UI tests using Maestro's simple YAML-based flow definitions. Also use when the user mentions "maestro," "mobile UI testing," "YAML mobile tests," "maestro flows," or "maestro studio." For React Native-specific gray-box testing, see detox. For cross-platform mob...
Android native application development and UI design guide. Covers Material Design 3, Kotlin/Compose development, project configuration, accessibility, and build troubleshooting. Read this before Android native application development.
Use when debugging Purchasely SDK issues — diagnoses common problems like blank paywalls, frozen UI, missing callbacks, purchase failures, and initialization errors across all platforms.
Use when integrating the Purchasely SDK into a mobile app — guides through installation, initialization, paywall display, purchase handling, and action interceptor setup for iOS, Android, React Native, Flutter, and Cordova.
iOS Debugger Agent workflow skill. Use this skill when the user needs Debug the current iOS project on a booted simulator with XcodeBuildMCP and the operator should preserve the upstream workflow, copied support files, and provenance before merging or handing off.
Upgrading Expo workflow skill. Use this skill when the user needs Upgrade Expo SDK versions and the operator should preserve the upstream workflow, copied support files, and provenance before merging or handing off.
Use when implementing passkey sign-in, replacing passwords with WebAuthn, configuring ASAuthorizationController, setting up AutoFill-assisted requests, adding automatic passkey upgrades, or migrating from password-based authentication. Covers passkey creation, assertion, cross-device sign-in, cre...
SwiftUI Expert Skill workflow skill. Use this skill when the user needs Write, review, or improve SwiftUI code following best practices for state management, view composition, performance, and iOS 26+ Liquid Glass adoption. Use when building new SwiftUI features, refactoring existing views, revie...
Use when debugging 'files disappeared', 'data missing after restart', 'backup too large', 'can't save file', 'file not found', 'storage full error', 'file inaccessible when locked' - systematic local file storage diagnostics
Use when RealityKit entities not visible, anchors not tracking, gestures not responding, performance drops, materials wrong, or multiplayer sync fails
Swift Concurrency Expert workflow skill. Use this skill when the user needs Review and fix Swift concurrency issues such as actor isolation and Sendable violations and the operator should preserve the upstream workflow, copied support files, and provenance before merging or handing off.
Use when reviewing or generating Swift code for modern idiom correctness — catches outdated APIs, pre-Swift 5.5 patterns, and Foundation legacy usage that Claude defaults to
Use when layouts need to adapt to different screen sizes, iPad multitasking, or iOS 26 free-form windows — decision trees for ViewThatFits vs AnyLayout vs onGeometryChange, size class limitations, and anti-patterns preventing device-based layout mistakes
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