LaughingJackalope/macos-skills

LaughingJackalope/macos-skills

Skill Claude CodeCodex

Core AppKit patterns for macOS apps: NSWindow/NSWindowController lifecycle, NSView/NSViewController hierarchy, responder chain event flow, NSDocument architecture, custom view drawing with layer-backing, drag & drop, and printing. Use when building or refactoring any AppKit-based macOS app, managing windows and view…

LaughingJackalope/macos-skills

Skill Claude CodeCodex

On-device AI on macOS — Foundation Models (LanguageModelSession, @Generable, tool calling, SystemLanguageModel), CoreML (MLModel, MLTensor, Neural Engine), MLX Swift, llama.cpp. MLComputeUnits (CPU+NE+GPU), model deployment in bundle vs on-demand resources, XPC isolation for model inference. Use when implementing…

LaughingJackalope/macos-skills

Skill Claude CodeCodex

CloudKit on macOS — CKContainer/CKDatabase/CKRecord/CKQuery/CKSubscription, CKSyncEngine, NSPersistentCloudKitContainer, push-based sync, CloudKit entitlement + sandbox, iCloud Drive document sync, multi-window conflict resolution. Use when syncing data via CloudKit on macOS.

LaughingJackalope/macos-skills

Skill Claude CodeCodex

Core Data on macOS — NSPersistentContainer, NSManagedObject, fetch requests, NSFetchedResultsController, batch operations, history tracking, staged migration, NSPersistentCloudKitContainer, multi-process via NSPersistentHistoryTracking. Use when persisting data with Core Data in macOS apps.

LaughingJackalope/macos-skills

Skill Claude CodeCodex

Debugging on macOS — LLDB for AppKit, Memory Graph Debugger, Instruments (Hangs, Time Profiler, Allocations, Metal System Trace), oslog/ossignpost, dtrace, crash report symbolication, sandbox violation debugging, Address Sanitizer, Thread Sanitizer. Use when debugging performance, memory, or crash issues in macOS apps.

LaughingJackalope/macos-skills

Skill Claude CodeCodex

Localization on macOS — String Catalogs, LocalizedStringKey, String(localized:), FormatStyle, plural rules (.stringsdict), RTL layout, NSLocalizedString migration, Xcode localization export/import, menu item localization, accessibility label localization, locale-aware formatting. Use when localizing macOS apps for…

LaughingJackalope/macos-skills

Skill Claude CodeCodex

File system patterns for macOS 26+ with Swift 6.3. Covers sandbox entitlements for file access, security-scoped bookmarks for persistent access, NSOpenPanel/NSSavePanel and SwiftUI fileImporter/fileExporter, NSFileCoordinator/NSFilePresenter for coordinated reads and writes, NSMetadataQuery for Spotlight integration…

LaughingJackalope/macos-skills

Skill Claude CodeCodex

Hardware access on macOS — IOKit (IOServiceGetMatchingService, IORegistryEntry), USB/HID devices (IOHIDManager), serial ports, power management (IOPMAssertion), battery/power info, CoreAudio (AVAudioEngine, AudioUnit, audio device selection), NSSound. Use when accessing hardware devices, managing audio, or controlling…

LaughingJackalope/macos-skills

Skill Claude CodeCodex

Inter-process communication on macOS — XPC services (NSXPCConnection, NSXPCInterface, @objc protocol), privilege separation with XPC, App Groups (com.apple.security.application-groups), DistributedNotificationCenter, CFMessagePort. Use when implementing XPC services, helper tools, or inter-process communication on…

LaughingJackalope/macos-skills

Skill Claude CodeCodex

Build and customize macOS menu bar menus, keyboard shortcuts, context menus, dock menus, and services integration using SwiftUI commands. Covers .commands placement, CommandMenu, CommandGroup, Button.keyboardShortcut, .contextMenu, NSMenu escape hatch, menu validation, and first-responder routing. Use when adding or…

LaughingJackalope/macos-skills

Skill Claude CodeCodex

Metal GPU programming for macOS: MTKView integration via NSViewRepresentable, render and compute pipelines, MTLHeap resource management, GPU selection and family feature detection, synchronization with fences and events, CAMetalLayer direct rendering, and MSL shader conventions. Use when building GPU-accelerated…

LaughingJackalope/macos-skills

Skill Claude CodeCodex

Configure macOS sandbox, hardened runtime, code signing, notarization, SMJobBless privileged helpers, SecureEnclave key storage, and LAContext biometric authentication. Use when enabling app capabilities, signing and notarizing a macOS app, setting up XPC helper tools for elevated operations, storing keys in the…

LaughingJackalope/macos-skills

Skill Claude CodeCodex

System-level macOS integration patterns: SMAppService login items and launch agents, NSWorkspace app lifecycle, security-scoped bookmarks, NSPasteboard custom UTType and promised data, Core Spotlight indexing, Quick Look preview, AppleScript automation, and NSFileCoordinator/NSFilePresenter coordinated file access.…

LaughingJackalope/macos-skills

Skill Claude CodeCodex

TextKit 2 architecture, NSTextView configuration, NSAttributedString editing, find bar with NSTextFinder, keyboard event handling via NSTextInputClient, font panel integration, and wrapping NSTextView as NSViewRepresentable for SwiftUI. Use when building rich text editors, code editors, or any custom text input…

LaughingJackalope/macos-skills

Skill Claude CodeCodex

Implement macOS toolbars, sidebars, and inspectors using SwiftUI. Covers NavigationSplitView three-column layouts, toolbar item placements (.principal, .navigation, .primaryAction, .secondaryAction, .status), searchable integration, Inspector panels, List sidebar styling, OutlineGroup hierarchies, and…

LaughingJackalope/macos-skills

Skill Claude CodeCodex

Design and implement macOS multi-window architectures using WindowGroup, Window, Settings, MenuBarExtra, openWindow/dismissWindow, scene styles, and DocumentGroup. Use when building apps with multiple windows, custom window chrome, menu bar utilities, parameterized window opening, state restoration, or document-based…

LaughingJackalope/macos-skills

Skill Claude CodeCodex

Networking on macOS — URLSession async/await, background sessions for daemons, Network.framework (NWConnection/NWListener/NWBrowser), WebSocket, Bonjour/mDNS, NWPathMonitor, App Transport Security, local network entitlement. Use when implementing network communication in macOS apps.

LaughingJackalope/macos-skills

Skill Claude CodeCodex

Push notifications on macOS — UNUserNotificationCenter authorization (different prompt behavior), UNNotificationRequest, UNUserNotificationCenterDelegate, notification categories/actions, APNs registration via NSApplicationDelegate, foreground delivery differences, Focus modes impact. Use when implementing push or…

LaughingJackalope/macos-skills

Skill Claude CodeCodex

StoreKit 2 on macOS — Product.products/purchase/Transaction.updates, subscription status, AppStore/sync, SKOverlay, StoreView/ProductView SwiftUI, receipt validation, sandbox testing (Xcode scheme setup). Use when implementing in-app purchases or managing subscriptions in macOS apps.

LaughingJackalope/macos-skills

Skill Claude CodeCodex

Swift API Design Guidelines for macOS — naming conventions for AppKit-style delegates, NS-prefixed type interop, @objc protocol design, error types (POSIXError, CocoaError), Swift package design for macOS libraries. When designing Swift APIs for macOS frameworks or libraries.

LaughingJackalope/macos-skills

Skill Claude CodeCodex

Architecture patterns for macOS apps — MV with @Observable, MVVM, NSDocument-based architecture, multi-window state, NSApplicationDelegate lifecycle, scene-based vs delegate-based app entry points, dependency injection. Use when structuring the architecture of a macOS app.

LaughingJackalope/macos-skills

Skill Claude CodeCodex

Swift Charts on macOS — all chart types (BarMark, LineMark, PointMark, AreaMark, RectangleMark, RuleMark), ChartProxy, selection, scrollableAxes, chartOverlay, annotations, dark mode colors, print-ready chart rendering, accessibility for charts. Use when creating data visualizations with Swift Charts on macOS.

LaughingJackalope/macos-skills

Skill Claude CodeCodex

Swift Codable on macOS — Codable, JSONDecoder/JSONEncoder, PropertyListDecoder, CodingKeys, custom encode/decode, NSCoding migration, NSKeyedArchiver bridge, NSUserDefaults Codable storage, NSDocument Codable model serialization. Use when serializing/deserializing data or migrating from NSCoding in macOS apps.

LaughingJackalope/macos-skills

Skill Claude CodeCodex

Swift concurrency for macOS — actors, @MainActor, Task/TaskGroup, AsyncStream, Sendable, strict concurrency migration, and AppKit bridging patterns (DispatchQueue, NSRunLoop, XPC service concurrency). Use when writing async Swift code that interacts with AppKit, daemons, or XPC services on macOS.