Mobile Development Agent Skills

SQLiteData

61

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

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.

UI Testing

61

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

CloudKit Reference

61

Provides comprehensive implementation patterns and best practices for structured data synchronization using CloudKit, CKSyncEngine, and SwiftData.

Core Spotlight & User Activity

61

Indexes app content for Spotlight search and implements NSUserActivity for Siri predictions, Handoff, and Quick Notes.

iOS Storage Strategy

61

Guides developers through selecting optimal storage formats and locations for Apple platforms using a comprehensive decision framework.

Xcode Debugging

61

Diagnoses and resolves common Xcode environment issues like stale builds, simulator hangs, and zombie processes using a systematic, environment-first approach.

App Discoverability

61

Surfaces iOS applications in Spotlight, Siri suggestions, and system experiences using a comprehensive multi-API integration strategy.

SwiftUI 26 Reference

61

Provides comprehensive implementation guidance and code patterns for the latest SwiftUI features across Apple's iOS 26 ecosystem.

SwiftUI Gestures

61

Implements and debugs complex gesture recognition patterns in SwiftUI, including gesture composition, state management, and accessibility integration.

Memory Debugging

61

Diagnoses and resolves memory leaks, retain cycles, and performance regressions in iOS and macOS applications using systematic profiling techniques.

SwiftUI Animation Reference

61

Provides comprehensive guidance and reference for implementing, debugging, and optimizing SwiftUI animations across all xOS platforms.

SwiftUI Navigation Diagnostics

61

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

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.

SwiftUI Layout Reference

61

Provides comprehensive API guidance and implementation patterns for building adaptive, responsive interfaces using modern SwiftUI layout protocols and tools.

SwiftData

61

Optimizes modern xOS development with expert implementation patterns for Apple's native persistence framework and CloudKit synchronization.

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.

Build Troubleshooting

61

Resolves complex dependency conflicts and build configuration errors in xOS projects through systematic diagnostics and version management strategies.

In-App Purchases

61

Implements robust, testable in-app purchase systems using StoreKit 2 with a testing-first workflow and centralized transaction handling.

SwiftUI Adaptive Layout

61

Build responsive Apple platform interfaces that adapt to container size, multitasking modes, and free-form windowing without relying on device-specific assumptions.

iOS Storage Management

61

Manages iOS disk space and file purging priorities using URL resource value APIs to handle storage pressure effectively.

Accessibility Diagnostics

61

Diagnoses and remediates accessibility issues in iOS and macOS applications to ensure WCAG compliance and pass App Store Review.

UIKit Animation Debugging

61

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

Foundation Models Diagnostics

61

Diagnoses and resolves Apple Intelligence Foundation Models issues including context limits, guardrail violations, and performance bottlenecks.

AVFoundation Audio Reference

61

Provides comprehensive implementation guidance and reference patterns for AVFoundation audio APIs, including spatial audio capture and system audio session management.

Extensions & Widgets

61

Implements high-performance iOS widgets, Live Activities, and Control Center controls using battle-tested architectural patterns and memory management strategies.

Typography Reference

61

Provides comprehensive technical guidance and implementation patterns for Apple platform typography across iOS, macOS, watchOS, and visionOS.

Apple HIG Reference

61

Provides comprehensive design guidance and technical implementation patterns for creating native, accessible interfaces across all Apple platforms.

App Shortcuts Reference

61

Provides comprehensive guidance and implementation patterns for making app actions discoverable via Siri, Spotlight, and system-wide surfaces using the App Shortcuts framework.

Apple Platform Networking

61

Implements modern Network.framework patterns for Apple platforms while preventing deprecated API usage and common reachability anti-patterns.