Skill Claude CodeCodex
Write and edit Comet Go single-file apps (.cs files using the Comet MVU framework for .NET MAUI). Use when writing, editing, or debugging Comet Go apps, or when the user mentions "maui go", "comet go", or is working with .cs files that import Comet.
Skill Claude CodeCodex
Guide .NET MAUI backend implementation for new platforms (GTK, AppKit, Avalonia, TUI, etc.) in the dotnet/maui-labs repository. USE FOR: creating a new MAUI backend, implementing a control handler, adding Essentials services, setting up build targets, scaffolding project structure, debugging handler rendering with…
Skill Claude CodeCodex
Improve MAUI accessibility. USE FOR: semantic labels, hints, headings, screen-reader focus/announcements, AutomationProperties, touch targets, decorative content, TalkBack/VoiceOver/Narrator checks. DO NOT USE FOR: general layout, automation-only tests, performance.
Skill Claude CodeCodex
Source-generate Microsoft.Extensions.AI tools for MAUI with Microsoft.Maui.AI.Attributes. USE FOR: ExportAIFunction, AIToolSource/AIToolContext, Default.Tools, DI-bound parameters, AOT-safe tools, UseFunctionInvocation. DO NOT USE FOR: Essentials.AI chat/embeddings or native bindings.
Skill Claude CodeCodex
Design MAUI app architecture. USE FOR: DI/MauiProgram, MVVM page/ViewModel wiring, Shell routes/GoToAsync/query params, trim-safe IQueryAttributable, x:DataType compiled bindings, page lifetimes, avoiding service locators. DO NOT USE FOR: resources, API versioning, runtime debug tools.
Skill Claude CodeCodex
Configure MAUI assets and lifecycle. USE FOR: MauiIcon, MauiSplashScreen, images, fonts, raw assets, OpenAppPackageFileAsync, window lifecycle, ConfigureLifecycleEvents, resume/state restore, Xamarin asset migration. DO NOT USE FOR: localization, permissions, broad project structure.
Skill Claude CodeCodex
Connect MAUI apps to Aspire-hosted APIs. USE FOR: AddServiceDiscovery, typed HttpClient, https+http://apiservice, missing AppHost config on devices, Android emulator 10.0.2.2, iOS simulator localhost, physical-device LAN/dev-tunnel fallbacks, dev certs, Bearer handlers, debug-only cleartext. DO NOT USE FOR: offline…
Skill Claude CodeCodex
Implement MAUI auth and secure storage. USE FOR: WebAuthenticator/MSAL, OAuth/OIDC redirects, Entra ID, callback URIs, Android intent filters, CFBundleURLTypes, token cache cleanup, SecureStorage, logout, Blazor Hybrid auth handoff. DO NOT USE FOR: architecture, API retries/offline data, UI debugging.
Skill Claude CodeCodex
Build/debug MAUI Blazor Hybrid. USE FOR: BlazorWebView vs HybridWebView, Razor UI, embedded HTML/JS, AddMauiBlazorWebView, root components, JS/.NET messaging, trim-safe JSON, wwwroot assets, auth/data handoff, DevFlow CDP route/DOM debugging. DO NOT USE FOR: pure XAML UI or browser-only apps.
Skill Claude CodeCodex
Apply advanced MAUI control guidance. USE FOR: CollectionView incremental loading, RemainingItemsThreshold, EmptyView, AutomationId, avoiding ScrollView wrappers, .NET 10 SafeAreaEdges, GraphicsView/IDrawable, gestures, animations. DO NOT USE FOR: general layout, full accessibility, profiling, handlers.
Skill Claude CodeCodex
Keep MAUI guidance target-framework-safe. USE FOR: checking TFM, net8 vs net10 API choices, SafeAreaEdges, replacing Application.Current.MainPage, Xamarin.Forms namespaces, Shell/window APIs, avoiding .NET 10-only APIs on older targets. DO NOT USE FOR: workload discovery, runtime inspection, migration planning.
Skill Claude CodeCodex
Implement or migrate MAUI visual handlers. USE FOR: handler mappers, type guards, unique mapper keys, renderer-to-handler migration, ConnectHandler/DisconnectHandler, PropertyMapper, CommandMapper, custom ViewHandler, platform partials, CreatePlatformView, ConfigureMauiHandlers. DO NOT USE FOR: non-visual APIs, full…
Skill Claude CodeCodex
Implement MAUI device capabilities with permissions and platform declarations. USE FOR: camera/media/file pickers, durable file copies, geolocation, maps, contacts, Android manifest entries, iOS usage descriptions, runtime permission prompts, denied/cancelled flows. DO NOT USE FOR: notifications, auth, UI layout.
Skill Claude CodeCodex
Adopt Microsoft.Maui.Essentials.AI for local/on-device MAUI AI. USE FOR: Apple Intelligence chat, IChatClient, iOS/macOS/Mac Catalyst 26+ checks, fallback UI, NLEmbeddingGenerator, local tool invocation, privacy/offline UX. DO NOT USE FOR: source-generated tools, cloud-only AI, UI debugging.
Skill Claude CodeCodex
Target MAUI Labs desktop backends from MAUI apps. USE FOR: Linux GTK4 head projects, maui-linux-gtk4, maui-macos, maui-wpf, net10 desktop setup, UseMauiAppLinuxGtk4, AppKit vs Mac Catalyst, parity planning. DO NOT USE FOR: backend implementation, handlers, Essentials services.
Skill Claude CodeCodex
Implement MAUI localization and theming. USE FOR: RESX/AppResources, runtime culture switching, RTL/FlowDirection, platform language metadata, AppThemeBinding, DynamicResource, light/dark/system themes, UserAppTheme. DO NOT USE FOR: general layout, accessibility audits, icon/splash assets.
Skill Claude CodeCodex
Build MAUI networking and offline data. USE FOR: typed HttpClient, JSON serialization, Android 10.0.2.2, iOS simulator localhost, LAN/dev-tunnel fallback, debug cleartext, offline-first screens, SQLite/EF Core sync metadata, queues, encryption decisions, retries, cancellation. DO NOT USE FOR: auth redirects, Aspire…
Skill Claude CodeCodex
Implement MAUI notifications and deep links. USE FOR: local/push notifications, FCM HTTP v1 migration, APNs/Azure Notification Hubs, permission UX, Android channels/POSTNOTIFICATIONS, iOS UNUserNotificationCenter, token lifecycle, notification tap navigation, app links/universal links/URI schemes. DO NOT USE FOR…
Skill Claude CodeCodex
Fix measurable MAUI performance issues. USE FOR: maui profile startup, Release/physical-device measurements, janky CollectionView, compiled bindings, oversized images, MauiImage BaseSize, thumbnail decoding, trim/NativeAOT regressions, IL2026, source-generated serializers, linker validation. DO NOT USE FOR: generic UI…
Skill Claude CodeCodex
Add native platform APIs through MAUI services and lifecycle hooks. USE FOR: DI wrappers, permissions, AndroidManifest.xml, Info.plist, entitlements, partial platform files, ConfigureLifecycleEvents, choosing services vs handlers vs bindings. DO NOT USE FOR: visual handlers, native SDK bindings, backend.
Skill Claude CodeCodex
Configure MAUI single-project structure. USE FOR: app icons/splash screens, resource folders, images/fonts/raw assets, app display/build versioning, Central Package Management, platform metadata files, AndroidManifest.xml, Info.plist, package IDs/app identifiers. DO NOT USE FOR: UI debugging, workload discovery…
Skill Claude CodeCodex
Turn official .NET/MAUI release notes into an app upgrade plan. USE FOR: breaking-change summaries, Xcode/JDK/Android SDK requirements, global.json/workload/package updates, CI image changes, migration checklists, validation plans, live version lookup. DO NOT USE FOR: authoring workload release notes or marketing copy.
Skill Claude CodeCodex
Fix MAUI UI layout, state, and automation issues. USE FOR: CollectionView scrolling, DataTemplate bindings, command bindings, Grid/FlexLayout sizing, binding-driven states, avoiding ScrollView parents, stable AutomationIds, x:DataType, EmptyView/loading/error states. DO NOT USE FOR: Shell routes, full accessibility…
Skill Claude CodeCodex
Add MAUI app tests around ViewModels, services, platform abstractions, and unit/integration/device boundaries. USE FOR: xUnit, avoiding MauiProgram.CreateMauiApp in unit tests, fakes/mocks, injectable Essentials interfaces, PlatformNotSupportedException, navigation/data services, AppProjectReference, device-test…
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