Mobile Development Agent Skills

SwiftUI Navigation Reference

61

Provides a comprehensive technical reference for implementing data-driven SwiftUI navigation patterns, including NavigationStack, NavigationSplitView, and state restoration.

StoreKit 2 Reference

61

Provides a comprehensive guide and code examples for Apple's StoreKit 2 framework, covering iOS 18.4 enhancements and modern in-app purchase implementation.

SwiftUI Navigation Diagnostics

61

Diagnoses and resolves complex SwiftUI navigation issues, including path state errors, view identity conflicts, and deep linking failures.

Swift Codable Patterns

61

Provides comprehensive guidance and implementation patterns for Swift Codable protocol conformance across JSON and PropertyList serialization.

UIKit Animation Debugging

61

Diagnoses and resolves complex Core Animation issues including timing mismatches, failing completion handlers, and device-specific visual jank.

Now Playing Integration

61

Diagnoses and resolves Now Playing metadata, remote command, and artwork issues for iOS and iPadOS audio and video applications.

UI Testing

61

Develops reliable, non-flaky UI tests for Apple platforms using condition-based waiting, accessibility identifiers, and modern recording automation.

Build Performance Optimization

61

Optimizes Apple platform build times through systematic measurement, Swift type-checking analysis, and Xcode configuration tuning.

App Intents Integration Reference

61

Integrates Apple's App Intents framework to surface app functionality across Siri, Shortcuts, Spotlight, and Apple Intelligence.

SQLiteData

61

Implements type-safe SQLite persistence and CloudKit synchronization for modern Swift and xOS development using value-oriented patterns.

Objective-C Block Retain Cycles

61

Diagnoses and resolves memory leaks in Objective-C by identifying circular references in blocks and implementing the mandatory weak-strong pattern.

Core Data Diagnostics & Migration

61

Diagnoses and resolves complex Core Data issues including schema migration crashes, thread-confinement errors, and N+1 query performance bottlenecks.

Foundation Models

61

Implements on-device AI using Apple's Foundation Models framework while ensuring performance, type safety, and efficient context management.

iOS File Protection Reference

61

Provides comprehensive guidance and implementation patterns for iOS hardware-accelerated file encryption and data protection APIs.

Networking Diagnostics

61

Diagnoses and resolves complex Network.framework connectivity issues, TLS handshake failures, and performance bottlenecks in Apple platform applications.

Apple Documentation Research

61

Retrieves Apple framework documentation and WWDC session transcripts using specialized automation techniques to accelerate iOS development research.

SwiftUI Debugging

61

Provides diagnostic decision trees and best practices for rapidly identifying and fixing SwiftUI view update failures, preview crashes, and layout inconsistencies.

SwiftUI Debugging Diagnostics

60

Provides systematic diagnostic workflows and Instruments integration to resolve complex SwiftUI view update issues and performance bottlenecks.

iOS Localization

60

Implements comprehensive internationalization and localization patterns for Apple platforms using String Catalogs and modern Xcode workflows.

Extensions & Widgets API Reference

60

Provides comprehensive API documentation and implementation guidance for Apple's WidgetKit, ActivityKit, and app extension ecosystems.

Privacy UX Patterns

60

Implements privacy-first design patterns for Apple platforms, including privacy manifests, tracking transparency, and Required Reason API compliance.

Apple Human Interface Guidelines

60

Provides immediate guidance and decision frameworks for aligning xOS applications with Apple's official design standards and best practices.

iOS Haptics

60

Implements tactile feedback and audio-haptic synchronization for iOS applications using Apple's Causality-Harmony-Utility design principles.

Performance Profiling

60

Diagnoses and optimizes application performance using specialized decision trees and deep-dive workflows for Xcode Instruments.

Network Framework Reference

60

Provides a comprehensive reference and implementation guide for Apple's Network.framework, covering modern networking protocols, async/await integration, and migration strategies for xOS platforms.

TextKit 2 Reference

60

Provides comprehensive technical guidance on TextKit 2 architecture, migration strategies from TextKit 1, and modern Writing Tools integration for Apple platforms.

Swift Performance Optimization

60

Optimizes Swift application performance by leveraging advanced language features like noncopyable types, memory layout management, and generic specialization.

iCloud Drive Reference

60

Provides comprehensive guidance and code patterns for implementing file-based iCloud synchronization using ubiquitous containers and modern Apple APIs.

Liquid Glass Reference

60

Guides the comprehensive adoption of Liquid Glass design patterns across iOS, iPadOS, macOS, and other Apple platforms.

SwiftUI Performance

60

Optimizes SwiftUI applications for peak responsiveness and frame-rate stability using modern profiling tools and WWDC 2025 architectural patterns.