> browse/registry

> coding-standards-enforcer

Enforce repository coding standards for Swift 6.2 concurrency, Swift language rules. Use when reviewing or implementing Swift code changes.

> spatial-swiftui-developer

Design and implement visionOS SwiftUI scenes that integrate RealityKit content. Use when building spatial UI with RealityView, Model3D, attachments, volumetric windows, ImmersiveSpace, or spatial gestures, or when choosing SwiftUI vs RealityKit APIs for 3D presentation.

> swift-testing

Standards for XCTest, Async Tests, and Test Organization. Use when writing XCTest cases, async tests, or organizing test suites in Swift. (triggers: **/*Tests.swift, XCTestCase, XCTestExpectation, XCTAssert)

> swift-error-handling

Standards for Throwing Functions, Result Type, and Never. Use when implementing Swift error throwing, Result<T,E>, or designing error hierarchies. (triggers: **/*.swift, throws, try, catch, Result, Error)

> swift-swiftui

Standards for State Management, View Lifecycle, and Property Wrappers. Use when managing SwiftUI state, view lifecycle, or property wrappers like @State and @Binding. (triggers: **/*.swift, @State, @Binding, @ObservedObject, View, body)

> ios-notifications

Push notifications for iOS using UserNotifications framework and APNS. Use when integrating APNS push notifications in iOS applications. (triggers: **/*Notification*.swift, **/*AppDelegate.swift, UNUserNotificationCenter, APNS, UNNotificationRequest, deviceToken)

> ios-swiftui

Standards for declarative UI construction and data flow in iOS. Use when building declarative SwiftUI views or managing data flow with property wrappers. (triggers: **/*View.swift, View, State, Binding, EnvironmentObject)

> ios-navigation

SwiftUI navigation and deep linking using NavigationStack and Universal Links. Use when implementing NavigationStack or Universal Links deep linking in iOS. (triggers: **/*View.swift, **/*App.swift, NavigationStack, NavigationLink, onOpenURL, universalLink, NSUserActivity)

> ios-performance

Standards for Instruments, Memory Management, and Optimization. Use when profiling iOS apps with Instruments or optimizing memory and rendering. (triggers: **/*.swift, Instruments, Allocations, Leaks, dequeueReusableCell)

> swift-language

Standards for Optionals, Protocols, Extensions, and Type Safety. Use when working with Swift Optionals, Protocols, Extensions, or type-safe APIs. (triggers: **/*.swift, protocol, extension, optional, guard, enum)

> common-mobile-animation

Motion design principles for mobile apps. Covers timing curves, transitions, gestures, and performance-conscious animations. (triggers: **/*_page.dart, **/*_screen.dart, **/*.swift, **/*Activity.kt, **/*Screen.tsx, Animation, AnimationController, Animated, MotionLayout, transition, gesture)

> swift-concurrency

Standards for async/await, Actors, Task Groups, and MainActor. Use when implementing Swift async/await, Actors, or structured concurrency in iOS/macOS. (triggers: **/*.swift, async, await, actor, Task, MainActor)

> swift-best-practices

Standards for Guard, Value Types, Immutability, and Naming. Use when writing idiomatic Swift using guard, value types, immutability, or naming conventions. (triggers: **/*.swift, guard, let, struct, final)

> ios-state-management

Standards for Combine, Observation, and Reactive Programming. Use when managing state with Combine, @Observable, or reactive patterns in iOS. (triggers: **/*.swift, Observable, @Published, PassthroughSubject, @Observable, @Namespace)

> swift-tooling

Standards for SPM, Build Configs, and Code Quality. Use when managing Swift packages with SPM, configuring build settings, or enforcing Swift code quality. (triggers: Package.swift, .swiftlint.yml, package, target, dependency)

> ios-persistence

Standards for SwiftData, Core Data, and Local Storage. Use when implementing SwiftData, Core Data models, or local persistence in iOS. (triggers: **/*.xcdatamodeld, **/*Model.swift, PersistentContainer, FetchRequest, ManagedObject, Query, ModelContainer, Repository)

> common-best-practices

Universal clean-code principles for any environment. (triggers: **/*.ts, **/*.tsx, **/*.go, **/*.dart, **/*.java, **/*.kt, **/*.swift, **/*.py, solid, kiss, dry, yagni, naming, conventions, refactor, clean code)

> common-mobile-ux-core

Universal mobile UX principles for touch-first interfaces. Enforces touch targets, safe areas, and mobile-specific interaction patterns. (triggers: **/*_page.dart, **/*_screen.dart, **/*_view.dart, **/*.swift, **/*Activity.kt, **/*Screen.tsx, mobile, responsive, SafeArea, touch, gesture, viewport)

> ios-ui-navigation

Standards for UIKit, Auto Layout, and Apple Human Interface Guidelines. Use when implementing UIKit navigation, Auto Layout constraints, or HIG compliance. (triggers: **/*View.swift, **/*.xib, **/*.storyboard, NSLayoutConstraint, UIStackView, SnapKit, layoutSubviews)

> common-security-standards

Universal security protocols for safe, resilient software. Use when implementing authentication, encryption, authorization, or any security-sensitive feature. (triggers: **/*.ts, **/*.tsx, **/*.go, **/*.dart, **/*.java, **/*.kt, **/*.swift, **/*.py, security, encrypt, authenticate, authorize)