angular-style-guide
Naming conventions, file structure, and coding standards for Angular projects. Use when naming Angular files, organizing project structure, or following Angular style guide. (triggers: angular style, naming convention, file structure, angular-style-guide)
angular-state-management
Manage application state with Angular Signals, computed derivations, and NgRx Signal Store. Use when implementing reactive state with signal(), computed(), effect(), or @ngrx/signals in Angular. (triggers: **/*.store.ts, **/state/**, angular signals, signal store, computed, effect, linkedSignal)
angular-ssr
Implement Angular SSR with hydration, TransferState caching, and per-route render modes. Use when configuring Angular Universal SSR, client hydration, static prerendering, or preventing double-fetching. (triggers: **/*.server.ts, server.ts, hydration, transferState, afterNextRender, isPlatformServer, RenderMode)
angular-security
Harden Angular apps against XSS, CSP violations, and unauthorized access. Use when implementing XSS protection, Content Security Policy, or auth guards in Angular. (triggers: DomSanitizer, innerHTML, bypassSecurityTrust, CSP, angular security, route guard)
angular-rxjs-interop
Bridge Observables and Signals using toSignal and toObservable in Angular. Use when converting between RxJS Observables and Angular Signals. (triggers: toSignal, toObservable, takeUntilDestroyed, rxjs angular)
angular-routing
Configure Angular Router with lazy-loaded routes, functional guards, and component input binding. Use when defining routes, lazy-loading features, creating route guards, or setting up resolvers. (triggers: *.routes.ts, angular router, loadComponent, canActivate, resolver)
angular-performance
Optimization techniques including OnPush, @defer, and Image Optimization. Use when optimizing Angular rendering, deferring blocks, or improving Core Web Vitals. (triggers: ChangeDetectionStrategy.OnPush, @defer, NgOptimizedImage, runOutsideAngular, OnPush)
angular-http-client
Integrate HttpClient, Interceptors, and API interactions in Angular. Use when integrating HttpClient, writing interceptors, or handling API calls in Angular. (triggers: **/*.service.ts, **/*.interceptor.ts, HttpClient, HttpInterceptorFn, withInterceptors, httpResource, resource)
angular-forms
Build typed reactive forms with strict FormGroup typing, custom validators, and nonNullable controls in Angular. Use when implementing typed reactive forms, custom validators, or form control patterns. (triggers: FormBuilder, FormGroup, FormControl, Validators, reactive forms, typed forms)
angular-directives-pipes
Compose HostDirectives and Pure Pipes in Angular. Use when creating attribute directives with HostDirectives or writing pure pipes in Angular. (triggers: **/*.directive.ts, **/*.pipe.ts, hostDirectives, PipeTransform, pure)
angular-dependency-injection
Configure DI, inject() usage, and providers in Angular. Use when configuring Angular dependency injection, using inject(), or defining providers. (triggers: **/*.service.ts, angular inject, providedIn, injection token, provideAppInitializer)
angular-components
Build Standalone Components with Signals inputs and Control Flow in Angular. Use when building standalone Angular components or implementing @if/@for control flow. (triggers: **/*.component.ts, **/*.component.html, angular component, standalone, input signal, output, @if, @for)
angular-component-patterns
Apply OnPush change detection and strict Signals usage in Angular components. Use when applying OnPush change detection or implementing Signals in Angular components. (triggers: **/*.component.ts, **/*.component.html, ChangeDetectionStrategy, OnPush, Input, Output)
angular-architecture
Standards for Angular project structure, feature modules, and lazy loading. Use when structuring Angular apps, defining feature modules, or configuring lazy loading. (triggers: angular.json, angular components, standalone, feature module, lazy loading, loadComponent, loadChildren)
android-xml-views
Implement ViewBinding, RecyclerView, and XML Layouts on Android. Use when implementing XML layouts, ViewBinding, or RecyclerView adapters in Android. (triggers: layout/*.xml, **/*Binding.java, **/*Binding.kt, ViewBinding, ConstraintLayout, RecyclerView)
android-tooling
Configure Static Analysis (Detekt, Ktlint) and CI/CD Checks for Android. Use when adding or tuning Detekt/Ktlint rules, setting Android Lint as a CI gate, suppressing lint warnings with @Suppress, or configuring code quality checks on pull requests. (triggers: build.gradle.kts, detekt.yml, .detekt/config.yml, detekt, ktlint, lint, @Suppress, abortOnError, jlleitschuh)
android-testing
Write Unit Tests, UI Tests (Compose), and Hilt-integrated tests for Android. Use whenever writing Android test files or asking about runTest, composeTestRule, HiltAndroidRule, MockK, MainDispatcherRule, @TestInstallIn, or how to test a ViewModel/Composable/Repository in Android. (triggers: **/*Test.kt, **/*Rule.kt, @Test, runTest, composeTestRule, HiltAndroidTest, MockK, createAndroidComposeRule, MainDispatcherRule, @TestInstallIn)
android-state
Manage ViewModel state with StateFlow, sealed UiState classes, and lifecycle-safe collection in Android. Use when working with ViewModel files, UiState sealed classes, MutableStateFlow, collectAsStateWithLifecycle, or exposing state from ViewModels. (triggers: **/*ViewModel.kt, **/*UiState.kt, viewmodel, stateflow, livedata, uistate, MutableStateFlow, collectAsState, viewModelScope, UiState)
android-security
Secure Data Encryption, Network Security, and Permissions on Android. Use when handling API keys, auth tokens, cleartext traffic, android:exported, EncryptedSharedPreferences, certificate pinning, or root detection — even if the user just asks 'is this secure'. (triggers: network_security_config.xml, AndroidManifest.xml, EncryptedSharedPreferences, cleartextTrafficPermitted, intent-filter, api key, token storage, certificate pinning, root detection, secure storage)
android-resources
Manage Strings, Drawables, and Localization resources on Android. Use when managing Android resources, drawables, or adding localization support. (triggers: strings.xml, **/*Screen.kt, stringResource, plurals, R.string)
android-persistence
Implement Room database schemas and DataStore preferences with proper async patterns in Android. Use when defining Room entities, DAOs, migrations, or replacing SharedPreferences with DataStore. (triggers: **/*Dao.kt, **/*Database.kt, **/*Entity.kt, @Dao, @Entity, RoomDatabase)
android-performance
Optimize Android app startup, UI rendering, and frame stability with Baseline Profiles and lazy initialization. Use when reducing startup time, diagnosing jank, or improving UI rendering performance. (triggers: **/*Benchmark.kt, **/*Initializer.kt, BaselineProfile, JankStats, recomposition)
common-documentation
Essential rules for code comments, READMEs, and technical docs. Use when adding comments, writing docstrings, creating READMEs, or updating any documentation. (triggers: comment, docstring, readme, documentation)
android-notifications
Integrate push notifications on Android using Firebase Cloud Messaging and NotificationCompat. Use when integrating FCM or local notifications in Android apps. (triggers: **/*Notification*.kt, **/MainActivity.kt, FirebaseMessaging, NotificationCompat, NotificationChannel, FCM)
android-networking
Integrate Retrofit, OkHttp, and Kotlinx Serialization for type-safe API communication in Android. Use when building API clients, adding interceptors, or configuring network security. (triggers: **/*Api.kt, **/*Service.kt, **/*Client.kt, Retrofit, OkHttpClient, @GET, @POST)
android-navigation
Implement navigation with Jetpack Compose Navigation and App Links on Android. Use when implementing navigation flows, deep links, or backstack handling in Android. (triggers: **/*Screen.kt, **/*Activity.kt, **/NavGraph.kt, NavController, NavHost, composable, navArgument, deepLinks)
common-error-handling
Cross-cutting standards for error design, response shapes, error codes, and boundary placement. (triggers: **/*.service.ts, **/*.handler.ts, **/*.controller.ts, **/*.go, **/*.java, **/*.kt, **/*.py, error handling, exception, try catch, error boundary, error response, error code, throw)
common-git-collaboration
Universal standards for version control, branching, and team collaboration. Use when writing commits, creating branches, merging, or opening pull requests. (triggers: commit, branch, merge, pull-request, git)
nestjs-notification
Build dual-write notification services with database persistence and FCM push delivery in NestJS. Use when creating notification entities, sending push via FCM, or implementing in-app notification feeds. (triggers: notification.service.ts, notification.entity.ts, notification, push, fcm, alert, reminder)
swift-best-practices
Apply Guard, Value Types, Immutability, and Naming conventions in Swift. Use when writing idiomatic Swift using guard, value types, immutability, or naming conventions. (triggers: **/*.swift, guard, let, struct, final)
flutter-notifications
Integrate push and local notifications using FCM and flutter_local_notifications. Use when adding push or local notifications to Flutter apps. (triggers: **/*notification*.dart, **/main.dart, FirebaseMessaging, FlutterLocalNotificationsPlugin, FCM, notification, push)
flutter-performance
Optimization standards for rebuilds and memory. Use when optimizing Flutter widget rebuilds, reducing memory usage, or improving rendering performance. (triggers: lib/presentation/**, pubspec.yaml, const, buildWhen, ListView.builder, Isolate, RepaintBoundary)
nestjs-api-standards
Create standardized API response envelopes, paginated endpoints, and error interceptors in NestJS. Use when implementing response wrappers, pagination DTOs, or global error formats. (triggers: **/*.controller.ts, **/*.dto.ts, ApiResponse, Pagination, TransformInterceptor)
nestjs-architecture
Design decoupled, testable NestJS module boundaries with feature, core, and shared modules. Use when structuring module imports, creating feature modules, or enforcing separation of concerns in NestJS. (triggers: **/*.module.ts, main.ts, NestFactory, Module, Controller, Injectable)
swift-memory-management
Manage ARC, Weak/Unowned References, and Capture Lists in Swift. Use when managing Swift ARC, avoiding retain cycles, or configuring capture lists in closures. (triggers: **/*.swift, weak, unowned, capture, deinit, retain)
nestjs-bullmq
Implement BullMQ job workflows in NestJS. Use when building queue processors, redis-throttler, Upstash limits, idle polling, stalled jobs, and retention policies. (triggers: **/*.processor.ts, **/*.module.ts, **/bull-queue.constants.ts, **/redis-throttler*.ts, queue, background job, worker, processor, bullmq, drainDelay, stalledInterval, removeOnComplete, redis limit, upstash, fail-open, throttler)
nestjs-caching
Implement multi-level caching, invalidation patterns, and stampede protection in NestJS. Use when adding Redis caching layers, configuring cache-manager interceptors, implementing stale-while-revalidate, or preventing cache stampedes in NestJS services. (triggers: **/*.service.ts, **/*.interceptor.ts, CacheInterceptor, CacheTTL, Redis, stale-while-revalidate)
nestjs-configuration
Environment variables validation and ConfigModule setup. Use when validating environment variables with Joi/Zod or configuring ConfigModule in NestJS. (triggers: .env, app.module.ts, **/config.ts, ConfigModule, Joi, env)
nestjs-controllers-services
Separate Controllers from Services and build Custom Decorators in NestJS. Use when defining NestJS controllers, services, or custom parameter decorators. (triggers: **/*.controller.ts, **/*.service.ts, Controller, Injectable, ExecutionContext, createParamDecorator)
nestjs-database
Implement data access patterns, Scaling, Migrations, and ORM selection in NestJS. Use when implementing TypeORM/Prisma repositories, migrations, or database patterns in NestJS. (triggers: **/*.entity.ts, prisma/schema.prisma, TypeOrmModule, PrismaService, MongooseModule, Repository)
nestjs-deployment
Containerize NestJS apps with multi-stage Docker builds, tune Node.js memory, and implement graceful shutdown hooks. Use when writing Dockerfiles, configuring K8s deployments, or adding shutdown hooks for NestJS. (triggers: Dockerfile, k8s/**, helm/**, max-old-space-size, shutdown hooks)
nestjs-documentation
Automate Swagger/OpenAPI documentation and standardize API response schemas in NestJS. Use when generating OpenAPI specs, documenting paginated or generic responses, configuring the Nest CLI Swagger plugin, or publishing versioned API docs. (triggers: main.ts, **/*.dto.ts, DocumentBuilder, SwaggerModule, ApiProperty, ApiResponse)
nestjs-error-handling
Implement Global Exception Filters and standard error formats in NestJS. Use when implementing global exception filters or standardizing error responses in NestJS. (triggers: **/*.filter.ts, main.ts, ExceptionFilter, Catch, HttpException)
nestjs-file-uploads
Handle file uploads securely with Validation and S3 streaming in NestJS. Use when implementing secure file uploads, validation, or S3 streaming in NestJS. (triggers: **/*.controller.ts, FileInterceptor, Multer, S3, UploadedFile)
Skill Creator
Standards for creating new High-Density Agent Skills with optimal token economy.
nestjs-observability
Configure structured logging with Pino, Prometheus metrics, and health checks for NestJS services. Use when adding JSON logging, request tracing with correlation IDs, Prometheus metric endpoints, or liveness/readiness health checks. (triggers: main.ts, **/*.module.ts, nestjs-pino, Prometheus, Logger, reqId)
typescript-tooling
Development tools, linting, and build config for TypeScript. Use when configuring ESLint, Prettier, Jest, Vitest, tsconfig, or any TS build tooling. (triggers: tsconfig.json, .eslintrc.*, jest.config.*, package.json, eslint, prettier, jest, vitest, build, compile, lint)
typescript-security
Secure coding practices for TypeScript. Use when validating input, handling auth tokens, sanitizing data, or managing secrets and sensitive configuration. (triggers: **/*.ts, **/*.tsx, validate, sanitize, xss, injection, auth, password, secret, token)
typescript-language
Modern TypeScript standards for type safety and maintainability. Use when working with types, interfaces, generics, enums, unions, or tsconfig settings. (triggers: **/*.ts, **/*.tsx, tsconfig.json, type, interface, generic, enum, union, intersection, readonly, const, namespace)
nestjs-performance
Optimize NestJS throughput with Fastify adapter, singleton scope enforcement, compression, and query projections. Use when switching to Fastify, diagnosing request-scoped bottlenecks, or profiling API overhead. (triggers: main.ts, FastifyAdapter, compression, SINGLETON, REQUEST scope)
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