AI Coding Skills for Swift

Enforce SOLID principles, guard-clause style, function size limits, and intention-revealing naming across all languages. Use when refactoring for readability, applying clean-code patterns, reviewing naming conventions, or reducing function complexity. (triggers: **/*.ts, **/*.tsx, **/*.go, **/*.dart, **/*.java, **/*.kt, **/*.swift, **/*.py, solid, kiss, dry, yagni, naming, conventions, refactor, clean code)

Code review automation for TypeScript, JavaScript, Python, Go, Swift, Kotlin, C#, and .NET. Analyzes PRs for complexity and risk, checks code quality for SOLID violations and code smells, generates review reports. Use when reviewing pull requests, analyzing code quality, identifying issues, generating review checklists.

Scaffolds a native iOS app with SwiftUI, MVVM architecture, dependency injection, persistence, networking, push notifications, keychain, App Clips, and multi-environment Xcode configuration. Triggers on: "ios app", "iphone app", "build an ios app", "swift app", "swiftui app", "native ios", "apple app", "ipad app", "scaffold ios project", "xcode project", "build for iphone", "ios starter", "create an iphone app", "swift project setup".

Detects timing side-channel vulnerabilities in cryptographic code. Use when implementing or reviewing crypto code, encountering division on secrets, secret-dependent branches, or constant-time programming questions in C, C++, Go, Rust, Swift, Java, Kotlin, C#, PHP, JavaScript, TypeScript, Python, or Ruby.

Guide for creating and writing Expo native modules and views using the Expo Modules API (Swift, Kotlin, TypeScript). Covers module definition DSL, native views, shared objects, config plugins, lifecycle hooks, autolinking, and type system. Use when building or modifying native modules for Expo.

Enforce design token usage in SwiftUI apps using iOS Human Interface Guidelines. Use when implementing design tokens, colors, or typography in SwiftUI. (triggers: **/*View.swift, **/Theme/**, **/DesignSystem/**, Color, Font, SwiftUI, ViewModifier, Theme)

Implement local persistence with SwiftData, Core Data, and Keychain. Use when setting up SwiftData models, Core Data stacks, or local persistence in iOS. (triggers: **/*.xcdatamodeld, **/*Model.swift, PersistentContainer, FetchRequest, ManagedObject, Query, ModelContainer, Repository)

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

Profile and audit mobile app performance -- cold/warm/hot startup time, memory leaks, battery drain, network efficiency, frame rate jank, and binary size. Covers Flutter, React Native, Swift, and Kotlin apps. Detects image memory issues, undisposed controllers, polling without backoff, missing virtualized lists, and unused asset bloat. Use when diagnosing slow launches, investigating ANRs, reducing app size, or benchmarking rendering performance.

Enforce universal security protocols for safe, resilient software. Use when implementing authentication, encryption, authorization, input validation, secret management, or any security-sensitive feature across any language or framework. (triggers: **/*.ts, **/*.tsx, **/*.go, **/*.dart, **/*.java, **/*.kt, **/*.swift, **/*.py, security, encrypt, authenticate, authorize)

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)

Standards for throwing functions, Result type, and Never. Use when implementing Swift error throwing, designing error hierarchies, using Result types, or adding do-catch blocks. (triggers: **/*.swift, throws, try, catch, Result, Error)

Full Sentry SDK setup for Apple platforms (iOS, macOS, tvOS, watchOS, visionOS). Use when asked to "add Sentry to iOS", "add Sentry to Swift", "install sentry-cocoa", or configure error monitoring, tracing, profiling, session replay, or logging for Apple applications. Supports SwiftUI and UIKit.

Write, review, or improve SwiftUI code following best practices for state management, view composition, performance, macOS-specific APIs, and iOS 26+ Liquid Glass adoption. Use when building new SwiftUI features, refactoring existing views, reviewing code quality, or adopting modern SwiftUI patterns. Also triggers whenever an Xcode Instruments `.trace` file is referenced (to analyse it) or the user asks to **record** a new trace — attach to a running app, launch one fresh, or capture a manually-stopped session with the bundled `record_trace.py`. A target SwiftUI source file is optional; if provided it grounds recommendations in specific lines, but a trace alone is enough to diagnose hangs, hitches, CPU hotspots, and high-severity SwiftUI updates.

Configure SPM packages, SwiftLint, and build settings for Swift projects. Use when managing Swift packages with SPM, configuring build settings, or enforcing Swift code quality. (triggers: Package.swift, .swiftlint.yml, package, target, dependency)

Enforce universal standards for high-performance development. Use when profiling bottlenecks, reducing latency, fixing memory leaks, improving throughput, or optimizing algorithm complexity in any language. (triggers: **/*.ts, **/*.tsx, **/*.go, **/*.dart, **/*.java, **/*.kt, **/*.swift, **/*.py, performance, optimize, profile, scalability, latency, throughput, memory leak, bottleneck)

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)

Write XCTest cases, async tests, and organized test suites in Swift. Use when writing XCTest cases, async tests, or organizing test suites in Swift. (triggers: **/*Tests.swift, XCTestCase, XCTestExpectation, XCTAssert)