macos-development
Audited by Runlayer on Feb 22, 2026
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Tool: SKILL.md Description: --- name: macos-development description: Comprehensive macOS development guidance including Swift 6+, SwiftUI, SwiftData, architecture patterns, AppKit bridging, and macOS 26 Tahoe APIs.
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Tool: app-planner/existing-app-analysis.md Description: # Existing macOS App Analysis Create 10 comprehensive analysis documents for existing apps.
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Tool: app-planner/new-app-planning.md Description: # New macOS App Planning Create 8 comprehensive planning documents for new macOS projects.
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Creates comprehensive planning documents covering architecture, features, UI/UX, and tech stack. Use when planning a new macOS app or auditing an existing one.
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Tool: appkit-swiftui-bridge/hosting-controllers.md Description: # Hosting Controllers Embedding SwiftUI views inside AppKit applications using NSHostingView and NSHostingController.
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Tool: architecture-patterns/modular-design.md [1/2] Description: # Modular Design Swift Package Manager organization, feature modules, and code organization strategies for macOS applications.
Tool: architecture-patterns/modular-design.md [2/2]
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Tool: architecture-patterns/skill.md Description: --- name: architecture-patterns description: Deep dive into software architecture for macOS. Covers SOLID principles, design patterns, and modular code organization.
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Tool: architecture-patterns/solid-detailed.md [1/2] Description: # SOLID Principles in Detail Real-world Swift examples for each SOLID principle with refactoring patterns. Focus on practical application, not academic theory.
Tool: architecture-patterns/solid-detailed.md [2/2]
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Tool: coding-best-practices/architecture-principles.md [1/2] Description: # Architecture & Design Principles SOLID principles, DRY, Clean Architecture, and design patterns for macOS development.
Tool: coding-best-practices/architecture-principles.md [2/2] Description: guard !name.isEmpty else { throw ValidationError.emptyName } guard email.contains("@") else { throw ValidationError.invalidEmail } } } func createUser(name: String, email: String) throws { try UserValidator.validate(name: name, email: email) // Create user } func updateUser(name: String, email: String) throws { try UserValidator.validate(name: name, email: email) // Update user } ``` ### SwiftUI View Duplication ```swift /
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Tool: coding-best-practices/code-organization.md [1/2] Description: # Code Organization Best Practices Modular architecture, project structure, and separation of concerns for macOS development.
Tool: coding-best-practices/code-organization.md [2/2] Description: ArticleRepository = MockArticleRepository() } private struct NetworkManagerKey: EnvironmentKey { static let defaultValue: NetworkManager = NetworkManager() } extension EnvironmentValues { var articleRepository: ArticleRepository { get { self[ArticleRepositoryKey.self] } set { self[ArticleRepositoryKey.self] = newValue } } var networkManager: NetworkManager { get { self[NetworkManagerKey.self] } set { self[NetworkManagerKey.self]
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Tool: coding-best-practices/data-persistence.md [1/2] Description: # Data Persistence Best Practices SwiftData-first approach with Core Data guidance for legacy scenarios.
Tool: coding-best-practices/data-persistence.md [2/2] Description: processArticles() async { await Task.detached { let backgroundContext = ModelContext(modelContainer) let articles = try?
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Tool: coding-best-practices/modern-concurrency.md [1/2] Description: # Modern Concurrency Best Practices Async/await, actors, structured concurrency, and Swift 6 concurrency patterns for macOS.
Tool: coding-best-practices/modern-concurrency.md [2/2] Description: count: Int { lock.lock() defer { lock.unlock() } return _count } func increment() { lock.lock() defer { lock.unlock() } _count += 1 } } ``` ### Sendable Closures ```swift // ✅ GOOD: Sendable closure func processAsync(_ handler: @Sendable () -> Void) async { await Task.detached { handler() }.value } // ❌ BAD: Capturing mutable state var counter = 0 processAsync { counter += 1 // Error: capturing mutable state } // ✅ GOOD: Use ac
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Tool: coding-best-practices/skill.md Description: --- name: coding-best-practices description: Reviews macOS Swift 6+ code for modern idioms, SOLID principles, SwiftData patterns, and concurrency best practices. Use when reviewing macOS code quality or asking about best practices.
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Tool: coding-best-practices/swift-language.md [1/2] Description: # Swift Language Best Practices Modern Swift 6+ language patterns and idioms for macOS development.
Tool: coding-best-practices/swift-language.md [2/2] Description: "\(field) must be between \(range.lowerBound) and \(range.upperBound)" } } } ``` ### Do-Catch Best Practices ```swift // ✅ GOOD: Specific error handling func saveDocument(_ document: Document) async { do { try await repository.save(document) showSuccess() } catch let error as ValidationError { showValidationError(error) } catch let error as NetworkError { showNetworkError(error) } catch { showGenericError(error) } } // ✅ GOOD: Usin
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Tool: macos-capabilities/background.md Description: # Background Operations Login items, launch agents, and background task management for macOS apps.
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Tool: macos-capabilities/extensions.md [1/2] Description: # System Extensions App extensions, system extensions, and XPC services for extending macOS capabilities.
Tool: macos-capabilities/extensions.md [2/2]
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Tool: macos-capabilities/menubar.md Description: # Menu Bar Apps Building menu bar applications with MenuBarExtra (SwiftUI) and NSStatusItem (AppKit).
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Tool: macos-capabilities/sandboxing.md Description: # Sandboxing and Entitlements App Sandbox requirements, security-scoped bookmarks, and file access patterns for macOS apps.
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Tool: macos-capabilities/skill.md Description: --- name: macos-capabilities description: Expert guidance on macOS platform capabilities.
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Tool: macos-tahoe-apis/apple-intelligence.md Description: # Apple Intelligence Integration Foundation Models, on-device AI, and MCP (Model Context Protocol) support in macOS 26.
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Tool: macos-tahoe-apis/continuity.md Description: # Continuity Features Cross-device integration between macOS, iOS, and iPadOS.
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Tool: macos-tahoe-apis/mlx-framework.md Description: # MLX Framework Apple's machine learning framework with M5 chip neural accelerator support.
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Tool: macos-tahoe-apis/skill.md Description: --- name: macos-tahoe-apis description: Guide to macOS 26 Tahoe APIs and features.
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Tool: macos-tahoe-apis/tahoe-features.md Description: # macOS Tahoe Features New and enhanced features in macOS 26 (Tahoe).
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Tool: macos-tahoe-apis/xcode16.md Description: # Xcode 16 Features Modern development tools and optimizations for macOS 26 development.
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Tool: swiftdata-architecture/performance.md [1/2] Description: # SwiftData Performance Optimization Batch operations, background contexts, lazy loading, and memory management techniques for SwiftData.
Tool: swiftdata-architecture/performance.md [2/2] Description: title self.content = content self.author = author self.searchText = "\(title) \(content) \(author)".lowercased() } } // Fast single-field search instead of multi-field predicate let query = searchText.lowercased() #Predicate<Document> { $0.searchText.contains(query) } ``` ## Common Performance Issues | Issue | Symptom | Fix | |-------|---------|-----| | Fetching too many objects | High memory, slow scroll | Use fetchLimit, pagination
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Tool: swiftdata-architecture/query-patterns.md [1/2] Description: # SwiftData Query Patterns Efficient use of @Query, FetchDescriptor, predicates, and sorting for optimal performance.
Tool: swiftdata-architecture/query-patterns.md [2/2] Description: and enum cases 5.
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Tool: swiftdata-architecture/repository-pattern.md [1/2] Description: # Repository Pattern with SwiftData Protocol-based data abstraction for testable, flexible data access.
Tool: swiftdata-architecture/repository-pattern.md [2/2] Description: nil) #expect(count == 0) } } ``` ## When to Use (and Not Use) Repository Pattern ### Use When - You need unit-testable ViewModels - You might swap data sources (SwiftData, network, file) - Multiple ViewModels access the same data - You want to add caching or transformation layers ### Skip When - Simple CRUD app with 1-2 screens - @Query in views is sufficient - You won't write tests for the data layer - Prototyping or MVPs ##
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Tool: swiftdata-architecture/schema-design.md [1/2] Description: # SwiftData Schema Design Best practices for @Model design, relationships, and attributes.
Tool: swiftdata-architecture/schema-design.md [2/2]
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Tool: swiftdata-architecture/skill.md Description: --- name: swiftdata-architecture description: Deep dive into SwiftData design patterns and best practices. Covers schema design, query patterns, repository pattern, and performance optimization.
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Tool: ui-review-tahoe/accessibility.md [1/2] Description: # Accessibility Best Practices VoiceOver, keyboard navigation, Dynamic Type, and accessibility standards for macOS.
Tool: ui-review-tahoe/accessibility.md [2/2]
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Tool: ui-review-tahoe/appkit-modern.md [1/2] Description: # Modern AppKit Patterns AppKit best practices for macOS 26 (Tahoe) with Liquid Glass design integration.
Tool: ui-review-tahoe/appkit-modern.md [2/2]
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Tool: ui-review-tahoe/liquid-glass-design.md [1/2] Description: # Liquid Glass Design System Modern design language for macOS 26 (Tahoe), iOS 26, and iPadOS 26.
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Tool: ui-review-tahoe/macos-tahoe-hig.md [1/2] Description: # macOS Tahoe Human Interface Guidelines Platform-specific design guidelines for macOS 26 (Tahoe).
Tool: ui-review-tahoe/macos-tahoe-hig.md [2/2]
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Tool: ui-review-tahoe/skill.md Description: --- name: ui-review-tahoe description: Comprehensive UI/UX review for macOS Tahoe apps. Covers Liquid Glass design, HIG compliance, SwiftUI patterns, and accessibility.
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Tool: ui-review-tahoe/swiftui-macos.md [1/2] Description: # SwiftUI for macOS Best Practices macOS-specific SwiftUI patterns, modifiers, and known Tahoe issues.
Tool: ui-review-tahoe/swiftui-macos.md [2/2]
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