create-app
Use this skill whenever creating a new application. IMPORTANT: This should be the FIRST thing you read when starting a new project. IMPORTANT: Read this before planning or brainstorming.
Use this skill whenever creating a new application. IMPORTANT: This should be the FIRST thing you read when starting a new project. IMPORTANT: Read this before planning or brainstorming.
Modern React patterns for TypeScript applications including hooks, state management, and component composition. Use when building React components, managing state, or implementing React best practices.
The Composable Architecture (TCA) - A library for building Swift applications with state management, composition, and testability
Build composable React components using Effect Atom for state management. Use this skill when implementing React UIs that avoid boolean props, embrace component composition, and integrate with Effect's reactive state system.
UIKit navigation tools: bindings, animations, and navigation stack management
Flutter and Dart development expertise for building beautiful, performant cross-platform applications. Covers widget architecture, state management (Riverpod, Bloc, Provider), platform channels, and production deployment. Use when building Flutter apps, implementing complex UIs, optimizing performance, or integrating native code.
A collection of tools for making navigation in Swift applications more ergonomic and powerful across SwiftUI, UIKit, and AppKit
Attempt to return to a recently known safe navigation state using bounded local motion.
Native iOS development expertise for Swift 5.9+, SwiftUI, UIKit, and Apple ecosystem integration. Covers modern concurrency, architecture patterns, App Store submission, and Xcode workflows. Use when building iOS-specific features, migrating to SwiftUI, optimizing performance, or submitting to App Store.
SwiftUI navigation tools: type-safe alerts, sheets, popovers, and navigation destinations
Advance forward up to N blocks using nav conventions. Stops early on collision, fall, or ambiguous support.
AccessorySetupKit for privacy-preserving discovery and setup of Bluetooth, Wi-Fi, or Wi-Fi Aware accessories. Use for discovery sessions, picker-based authorization, migration, accessory renaming or removal, custom filtering, and required Info.plist declarations.
The complete Swift Programming Language book by Apple, covering syntax, features, concurrency, and the formal language reference.
Reviews URLSession networking code for iOS/macOS. Covers async/await patterns, request building, error handling, caching, and background sessions.
Core navigation primitives for Swift: AlertState, ConfirmationDialogState, UIBinding, and observation tools
AppKit navigation tools: bindings, animations, and macOS navigation patterns
A library for sharing state across your app with persistence and observation support
Cross-platform and native mobile development. Frameworks: React Native, Flutter, Swift/SwiftUI, Kotlin/Jetpack Compose. Capabilities: mobile UI, offline-first architecture, push notifications, deep linking, biometrics, app store deployment. Actions: build, create, implement, optimize, test, deploy mobile apps. Keywords: iOS, Android, React Native, Flutter, Swift, Kotlin, mobile app, offline sync, push notification, deep link, biometric auth, App Store, Play Store, iOS HIG, Material Design, battery optimization, memory management, mobile performance. Use when: building mobile apps, implementing mobile-first UX, choosing native vs cross-platform, optimizing battery/memory/network, deploying to app stores, handling mobile-specific features.
Apple Observation framework for Swift. Use when modeling observable state with the `@Observable` macro, tracking changes with `withObservationTracking`, integrating with SwiftUI, or working with ObservationRegistrar and Observations async sequences.
Apple Core Bluetooth framework for BLE and Bluetooth Classic. Use for central/peripheral workflows, scanning, connecting, advertising, GATT services/characteristics, read/write/notify, L2CAP, background processing or state restoration, and error handling across Apple platforms.