164 Apple platform development skills across 23 categories (iOS, macOS, watchOS, visionOS): code generators, product workflow, App Store/ASO, testing and TDD, design, performance, security, and more.
Surfaced as 23 category skills that route to the full library.
Skills 181 in the Claude listing
Accessibility audit Run a structured accessibility audit on an iOS/macOS app — automated XCUITest audits, Accessibility Inspector, manual VoiceOver/Dynamic Type passes, and App Store Accessibility Nutrition Label evaluation. Accessibility generator Generate accessibility infrastructure for VoiceOver, Dynamic Type, and accessibility features. Account deletion Generates an Apple-compliant account deletion flow with multi-step confirmation UI, optional data export, configurable grace period, Keychain cleanup, and server-side deletion request. Ad attribution Privacy-preserving ad measurement with AdAttributionKit (SKAdNetwork's successor) — install and re-engagement attribution, conversion-value strategy under crowd anonymity, and end-to-end postback testing. alarmkit AlarmKit integration for scheduling alarms and timers with custom UI, Live Activities, and snooze support. Analytics interpretation Interpret app metrics and make data-driven decisions. Analytics setup Generates protocol-based analytics infrastructure with swappable providers (TelemetryDeck, Firebase, Mixpanel). Animation patterns SwiftUI animation patterns including springs, transitions, PhaseAnimator, KeyframeAnimator, SF Symbol effects, scroll-driven effects, mesh gradients, text renderers, and shader effects. Announcement banner Generates an in-app announcement banner system with remote configuration, scheduling, deep link actions, and dismiss tracking. App clip Generates App Clip targets with invocation URL handling, lightweight experiences, and full app upgrade prompts. App description writer Generate compelling App Store descriptions that convert browsers into users. App extensions Generates app extension infrastructure for Share Extensions, Action Extensions, Keyboard Extensions, and Safari Web Extensions with data sharing via App Groups. App icon generator Generates an app icon for macOS or iOS — a fast CoreGraphics placeholder and/or flat layered source art to finish in Icon Composer (the Liquid Glass / iOS 26+ standard). App intents App Intents for Siri, Shortcuts, Spotlight, and Apple Intelligence integration including intent modes, interactive snippets, visual intelligence, and entity indexing. App namer Turn an app idea into validated, App-Store-ready name candidates. App planner App store App Store optimization and marketing skills for descriptions, screenshots, keywords, review responses, and comprehensive promotional strategy. App store assets Comprehensive App Store asset specifications and guidelines for all promotional artwork — app icons, screenshots, app previews, event cards, subscription images, and featuring artwork. Appkit swiftui bridge Expert guidance for hybrid AppKit-SwiftUI development. Apple intelligence Apple Intelligence skills for on-device AI features including Foundation Models, Visual Intelligence, App Intents, and intelligent assistants. Apple search ads Apple Search Ads campaign strategy for indie developers — paid acquisition, keyword bidding, budget planning, and ROAS optimization. Architecture patterns Deep dive into software architecture for macOS. Architecture spec Generates technical architecture specification from PRD. Assistive access Assistive Access implementation for cognitive accessibility including simplified scenes, navigation icons, runtime detection, and design principles. Attributed string AttributedString patterns for rich text formatting, alignment, selection, and SwiftUI integration. Auth flow Generates authentication infrastructure with Sign in with Apple, biometrics, and Keychain storage. Background processing Generates background processing infrastructure with BGTaskScheduler, background refresh, background downloads, and silent push handling. Beta testing Beta testing strategy for iOS/macOS apps. Bundles and licensing Revenue beyond the single-app price tag — own-app bundles, Family Sharing as a conversion lever, cross-developer bundles & suites, and institutional licensing via Group Purchases / Apple School & Business Manager. Characterization test generator Generates tests that capture current behavior of existing code before refactoring. Charts 3d 3D chart visualization with Swift Charts using Chart3D, SurfacePlot, interactive pose control, and surface styling — plus a 2D Swift Charts construction reference (marks, axes, selection, SectorMark, scrollable charts). Ci cd setup Generate CI/CD configuration for automated builds, tests, and distribution of iOS/macOS apps. Cloudkit sync Generate CloudKit sync infrastructure using CKSyncEngine with conflict resolution, sharing, and account monitoring. Code size Enforce complexity and size limits on Swift code with SwiftLint threshold rules — cyclomatic complexity, function/type/file length, parameter count — adopted via a violations baseline so existing code never blocks. Coding best practices Reviews Swift/iOS code for adherence to modern Swift idioms, Apple platform best practices, architecture patterns, and code quality standards. Community building Build and engage a user community around your indie app. Competitive analysis Deep competitive analysis for iOS/macOS apps including feature comparison, pricing analysis, strengths/weaknesses, market positioning, and differentiation opportunities. Concurrency patterns Swift concurrency patterns including Swift 6.2 approachable concurrency, structured concurrency, actors, continuations, and migration. Consent flow Generates GDPR/CCPA/DPDP privacy consent flows with granular category preferences, consent state persistence, audit logging, and ATT (App Tracking Transparency) integration. Core ml Core ML, Create ML, Vision framework, Natural Language framework, on-device ML integration. Coverage ratchet Gate test coverage with a ratchet — a committed baseline that coverage may never drop below and only ever rises. Custom product pages Generates Custom Product Page metadata templates with screenshot strategies, keyword targeting, and audience-specific messaging for up to 35 page variants. Data export Generates data export/import infrastructure for JSON, CSV, PDF formats with GDPR data portability, share sheet integration, and file import. Data flow SwiftUI's actual mental model — view identity, lifetime, and dependencies (the Demystify canon), state ownership decision rules, Observation's per-property tracking, body-performance discipline, and the main-actor concurrency contract. Debug menu Generates a developer debug menu with feature flag toggles, environment switching, network log viewer, cache clearing, crash trigger, and diagnostic info export. Deep linking Generate deep linking infrastructure with URL schemes, Universal Links, and App Intents for Siri/Shortcuts. design Design skills for Apple platform UI — Liquid Glass, animations, game feel (haptics, sound, celebrations), UI prototyping, UX writing, SF Symbols, and typography. Error monitoring Generates protocol-based error/crash monitoring with swappable providers (Sentry, Crashlytics). External purchases US web checkout via the StoreKit External Purchase Link entitlement — currently 0% Apple commission (litigation ongoing), how to ship it safely, and how to architect for a commission flip so a future ruling is a config change, not a rewrite. Feature flags Generate feature flag infrastructure with local defaults, remote configuration, SwiftUI integration, and debug menu. Featuring nomination Generates App Store featuring nomination pitches with all required fields, compelling narratives, and Apple editorial angles. Feedback form Generates an in-app feedback collection form with category selection, text input, optional screenshot attachment, device diagnostics, and smart routing — directing happy users to App Store reviews and unhappy users to support. Fitness functions Write architecture fitness functions — deterministic tests that enforce a project's hard rules (module boundaries, offline guarantees, content contracts) from inside its own test target. Flow walkthrough Verify UI *workflow* correctness that a task list, code review, and static screenshots miss. Force update Generates a minimum version enforcement system with hard-block and soft-prompt update flows, App Store redirect, and remote config or App Store lookup for version checks. foundation Foundation framework skills — AttributedString patterns for rich text formatting, alignment, selection, and SwiftUI integration. Foundation models On-device LLM integration using Apple's Foundation Models framework. Game feel Game feel ("juice") for Apple apps — celebration choreography, haptic vocabulary design, sound-effect layers, and the event×channel feedback audit. generators Code generator skills that produce production-ready Swift code for common app components. geotoolbox GeoToolbox PlaceDescriptor patterns with MapKit integration for location representation, geocoding, and multi-service place identifiers. growth Growth skills for indie Apple developers — user acquisition, analytics interpretation, press/media outreach, community building, and indie business operations. Http cache Generates an HTTP caching layer with Cache-Control parsing, ETag/conditional requests, and offline fallback. Iap finalizer Take a one-time in-app purchase from MISSING_METADATA to READY_TO_SUBMIT in App Store Connect — set its price schedule and localized display name/description (and optional review screenshot) via the ASC REST API. Idea generator Brainstorm and rank iOS/macOS app ideas tailored to developer skills. Image loading Generates an image loading pipeline with memory/disk caching, deduplication, and a CachedAsyncImage SwiftUI view. Implementation guide Generates detailed implementation guide with pseudo-code and step-by-step development instructions. Implementation spec Master orchestrator that generates all implementation specs (PRD, Architecture, UX, Implementation, Test, Release) from product plan. In app events Generates In-App Event metadata templates for App Store Connect — event names, descriptions, badge types, image specs, and deep link configuration. Indie business Business fundamentals for indie app developers — LLC/entity setup, taxes, Apple Small Business Program, revenue tracking, hiring contractors, and financial planning for sustainability. Integration test scaffold Generate cross-module test harness with mock servers, in-memory stores, and test configuration. Ios development Comprehensive iOS development guidance including Swift best practices, SwiftUI patterns, UI/UX review against HIG, and app planning. Ipad patterns iPadOS-specific patterns including Stage Manager, multi-window, drag and drop, keyboard shortcuts, pointer interactions, and Apple Pencil support. Keyword optimizer Optimize app title, subtitle, and keywords for maximum App Store discoverability. Lapsed user Generates lapsed user detection and re-engagement screens with personalized return experiences, win-back offers, and inactivity tracking. layout SwiftUI layout beyond stacks — the Layout protocol (when custom layout beats GeometryReader), Grid vs lazy grids, custom containers with sections and container values, and lazy-stack/ScrollView performance rules (what breaks laziness, prefetch discipline, scroll APIs). legal Legal document generation and compliance guidance for indie Apple developers. Liquid glass Implement Liquid Glass design using .glassEffect() API for iOS/macOS 26+. Live activity generator Generate ActivityKit Live Activity infrastructure with Dynamic Island layouts, Lock Screen presentation, and push-to-update support. Localization setup Generate internationalization (i18n) infrastructure for multi-language support in iOS/macOS apps. Localization strategy Localization and internationalization strategy for iOS/macOS apps. Logging setup Generates structured logging infrastructure using os.log/Logger to replace print() statements. Macos capabilities Expert guidance on macOS platform capabilities. Macos development Comprehensive macOS development guidance including Swift 6+, SwiftUI, SwiftData, architecture patterns, AppKit bridging, and macOS 26 Tahoe APIs. Macos tahoe apis Guide to macOS 26 Tahoe APIs and features. mapkit MapKit and GeoToolbox skills — PlaceDescriptor patterns, geocoding, and cross-service place identifiers with MapKit integration. Market research Deep market analysis for iOS/macOS apps including market sizing (TAM/SAM/SOM), growth trends, market maturity, entry barriers, distribution channels, and revenue potential. Marketing strategy App Store marketing strategy advisor that analyzes your app and recommends the best promotional features. memory Swift 6.2 InlineArray and Span types for zero-overhead memory access, fixed-size collections, and safe pointer alternatives. Migration patterns Migration guides for CoreData to SwiftData, UIKit to SwiftUI, ObservableObject to @Observable, XCTest to Swift Testing, Objective-C to Swift, and StoreKit 1 to StoreKit 2. Milestone celebration Generates achievement celebration UI with confetti animations, badge unlocks, progress milestones, haptic feedback, and optional share-to-social. monetization Monetization strategy for iOS/macOS apps. Mutation testing EXPERIMENTAL — mutation testing with muter to measure whether tests actually assert anything: mutants that survive reveal assertion-free coverage. Navigation patterns SwiftUI navigation architecture patterns including NavigationStack, NavigationSplitView, TabView, programmatic navigation, and custom transitions. Networking layer Generates a protocol-based networking layer with async/await, error handling, and swappable implementations. Offer codes setup Generates offer code distribution strategies and configuration guides for subscription and IAP promotions — including partner campaigns, influencer programs, and email re-engagement. Offline queue Generates an offline operation queue with persistence, automatic retry on connectivity, and conflict resolution. Onboarding generator Generates value-moment-first onboarding flows for iOS/macOS apps — the default architecture races a new user to the first felt experience of the app's promised outcome, branching on whether they can experience it right now or need to plan for later. Originality check Guideline-4.3 anti-spam / originality gate — score whether an app (and each portfolio addition) is meaningfully distinct in function, content, and metadata before you invest or submit. pagination Generates pagination infrastructure with offset or cursor-based patterns, infinite scroll, and search support. Paywall generator Generates StoreKit 2 subscription paywall with modern SwiftUI views. performance Performance profiling and SwiftUI debugging skills — Instruments guidance, hangs, memory issues, slow launches, energy drain, unnecessary re-renders, and view identity problems. Performance profiling Guide performance profiling with Instruments, diagnose hangs, memory issues, slow launches, and energy drain. Permission priming Generates pre-permission priming screens that explain benefits before showing iOS system permission dialogs. Persistence setup Generates SwiftData or CoreData persistence layer with optional iCloud sync. Prd generator Generates comprehensive Product Requirements Document from product plan. Pre orders Generates pre-order setup guides and launch timeline templates for App Store pre-orders. Press media Get press coverage and media attention for your indie app. Preview data generator Generate sample data and a multi-variant Privacy manifests Privacy manifest (PrivacyInfo.xcprivacy) implementation including required reason APIs, tracking domains, third-party SDK declarations, and App Tracking Transparency. Privacy policy Generate privacy policies, terms of service, and EULAs for Apple platform apps. Privacy publish Turn drafted legal docs (privacy policy, terms) into hosted pages and set the App Store Connect Privacy Policy / Support / Marketing URLs via the ASC REST API. Product agent Discover and validate product ideas, analyze markets, scope MVPs, and optimize app store presence for iOS/macOS apps. Product development End-to-end product development for iOS/macOS apps. Product page optimization Generates A/B test plans and optimization checklists for your App Store product page — icon, screenshots, and app previews. Promoted iap Generates Promoted In-App Purchase setup with StoreKit 2 product configuration, paywall integration, and App Store product page display. Push notifications Generate push notification infrastructure with APNs registration, handling, and rich notifications. Quick win session Generates guided first-action flows that help users achieve a meaningful result within 60 seconds to boost retention. Ratings mechanics How App Store ratings actually behave — per-storefront isolation (your US stars show nowhere else), the never-reset rule, phased release + manual release as rating protection, and where prompting/replying fit. Referral system Generates referral/invite infrastructure with unique codes, deep link sharing, reward tracking, and fraud prevention. Rejection handler Handle App Store rejections, prepare submissions to avoid common rejection reasons, write Resolution Center responses, and navigate the appeal process. Release review Senior developer-level release review for macOS/iOS apps. Release spec Generates App Store release documentation including submission guide, assets, privacy compliance, and marketing strategy. Review prompt Generates smart App Store review prompt infrastructure with configurable conditions and platform detection. Review response writer Write professional, empathetic responses to App Store reviews that build trust and turn critics into fans. Run device Build, install, and launch an iOS app on a physical iPhone or iPad entirely from the command line (no Xcode GUI), using xcodebuild + devicectl. Run simulator Build, install, launch, and screenshot an iOS app in the Simulator to verify a change visually. Screenshot automation Generates an automated App Store screenshot pipeline with UI tests for screenshot capture, device framing, localized caption overlays, and multi-size batch export. Screenshot planner Plan compelling App Store screenshot sequences that showcase your app's value. security Security category index for Apple platforms. Settings screen Generates a complete settings screen for iOS/macOS apps with common sections. Sf symbols SF Symbols end-to-end — choosing and configuring the 7,000+ system symbols (rendering modes, variable color/draw, gradients), authoring custom symbols that interpolate across weights, and the animation preset vocabulary. Share card Generates shareable card images from app content (achievements, stats, quotes) for social media sharing. shared Platform-agnostic skills including skill creation templates and best practices. Skill auditor Audits skills in this repo for consistency, API drift, and structural gaps. Skill creator Guides you through creating well-structured Claude Code skills with proper modularization, templates, and best practices. Snapshot test setup Set up SwiftUI visual regression testing with swift-snapshot-testing. Social export Generates infrastructure for exporting app content to social platforms (Instagram Stories, TikTok, Twitter/X) with platform-specific formatting, aspect ratios, and metadata. Spatial design Designing for visionOS — spatial layout and ergonomics (60pt eye targets, field-of-view placement, dynamic scale), eyes-and-hands input with hover rules, motion and visual comfort (the 0.2 Hz rule, vection, depth-cue agreement), immersion strategy, spatial sound, and the video-format decision guide. Spotlight indexing Generates Core Spotlight indexing infrastructure for making app content searchable via system Spotlight with rich attributes and deep link integration. State restoration Generates state preservation and restoration infrastructure for navigation paths, tab selection, scroll positions, and form data across app launches and background termination. Store growth audit Stage-by-stage audit of an app's App Store growth machinery against a 54-item P0–P9 playbook — every item scored from an App Store Connect MCP call, a codebase check, or an explicit question to the user, then routed to the skill or command that fixes it. Store signals Close the post-launch loop — turn a live app's App Store signals (reviews, analytics, sales, crashes, listing conversion) into a metric-tagged backlog for the next version, AND verify whether last cycle's changes moved the metric they promised to move. Streak tracker Generates a streak tracking system with timezone-aware day boundaries, streak freeze protection, and streak-at-risk push notifications. Subscription lifecycle Generates StoreKit 2 subscription lifecycle management — grace periods, billing retry, offer codes, win-back offers, upgrade/downgrade paths, and subscription status monitoring. Subscription offers Generates StoreKit 2 code for all subscription offer types — introductory, promotional, offer codes, and win-back. Swift concurrency updates Swift 6.2 concurrency updates including default MainActor inference, @concurrent for background work, isolated conformances, and approachable concurrency migration. Swift development Swift language patterns and best practices including concurrency, performance, and modern idioms. swiftdata SwiftData skills — class inheritance patterns for hierarchical models, type-based querying, polymorphic relationships, and inheritance-vs-enum decisions. Swiftdata architecture Deep dive into SwiftData design patterns and best practices. Swiftdata inheritance SwiftData class inheritance patterns for hierarchical models with type-based querying, polymorphic relationships, and when to choose inheritance vs enums. swiftui SwiftUI framework skills — data flow (identity, Observation, state ownership), layout & containers (Layout protocol, lazy-stack performance), AlarmKit, 3D charts, rich text editing, customizable toolbars, and WebKit embedding. Swiftui debugging Diagnose SwiftUI performance issues including unnecessary re-renders, view identity problems, and slow body evaluations. Tdd bug fix Fix bugs using red-green-refactor — reproduce the bug as a failing test first, then fix it. Tdd feature Red-green-refactor scaffold for building new features with TDD. Tdd refactor guard Pre-refactor safety checklist. Test contract Generate protocol/interface test suites that any implementation must pass. Test data factory Generate test fixture factories for your models. Test generator Generate test templates for unit tests, integration tests, and UI tests using Swift Testing and XCTest. Test spec Generates comprehensive test specification with unit tests, UI tests, accessibility testing, and beta testing plan. testing TDD and testing skills for iOS/macOS apps. Text editing Styled text display and rich text editing in SwiftUI using Text, AttributedString, and TextEditor with formatting controls. Tipkit generator Generate TipKit infrastructure with inline/popover tips, rules, display frequency, and testing utilities. toolbars Modern SwiftUI toolbar patterns including customizable toolbars, search integration, transition effects, and platform-specific behavior. typography UI typography on Apple platforms — text styles and Dynamic Type, the San Francisco family (Pro/Rounded/Compact/Mono/New York + width axis), optical sizes, tracking vs kerning, leading adjustments, and custom-font scaling. Ui prototyping Explore multiple *divergent* UI directions for a screen as named Swift Ui review Review SwiftUI code for iOS/watchOS Human Interface Guidelines compliance, font usage, Dynamic Type support, and accessibility. Ui review tahoe Comprehensive UI/UX review for macOS Tahoe apps. Usage insights Generates user-facing usage statistics, activity summaries, and personalized insights dashboards (weekly recaps, year-in-review, Spotify Wrapped-style). Ux spec Generates UI/UX specifications with wireframes and design system. Ux writing Interface copy that works — voice/tone, the PACE framework, alert anatomy, naming features, empty states, error messages, and the small-word edits that measurably improve UX. Variable rewards Generates a variable reward system with randomized rewards, daily bonuses, mystery box mechanics, and ethical engagement caps. visionos visionOS skills — spatial design (layout ergonomics, eyes-and-hands input, motion comfort, immersion, environments) and widget patterns (mounting styles, glass/paper textures, proximity-aware layouts). Visionos widgets visionOS widget patterns including mounting styles, glass/paper textures, proximity-aware layouts, and spatial widget families. Visual intelligence Integrate your app with iOS Visual Intelligence for camera-based search and object recognition. watchOS watchOS development guidance including SwiftUI for Watch, Watch Connectivity, complications, and watch-specific UI patterns. Watermark engine Generates a watermark overlay system for images and video with configurable positioning, opacity, tiling, and paywall integration for automatic removal on subscription or purchase. Web presence The discovery surfaces outside the App Store app — your apps.apple.com product page ranking on Google, an owned landing page with a Smart App Banner, and the deal-site ecosystem that auto-amplifies price drops. Webkit integration WebKit integration in SwiftUI using WebView and WebPage for embedding web content, navigation, JavaScript interop, and customization. Whats new Generates a "What's New" / changelog screen shown after app updates with version tracking, feature highlights, and one-time display per version. Widget generator Generate WidgetKit widgets for iOS/macOS home screen and lock screen with timeline providers, interactive elements, and App Intent configuration. Win back offers Generates the complete win-back offer flow for churned subscribers — StoreKit Message API handling, eligibility verification, offer sheet presentation, and analytics.