> browse/registry

> android-data-layer

Guidance on implementing the Data Layer using Repository pattern, Room (Local), and Retrofit (Remote) with offline-first synchronization.

> android-emulator-skill

Production-ready scripts for Android app testing, building, and automation. Provides semantic UI navigation, build automation, log monitoring, and emulator lifecycle management. Optimized for AI agents with minimal token output.

> android-viewmodel

Best practices for implementing Android ViewModels, specifically focused on StateFlow for UI state and SharedFlow for one-off events.

> common-performance-engineering

Universal standards for high-performance development. Use when optimizing, reducing latency, fixing memory leaks, profiling, or improving throughput. (triggers: **/*.ts, **/*.tsx, **/*.go, **/*.dart, **/*.java, **/*.kt, **/*.swift, **/*.py, performance, optimize, profile, scalability, latency, throughput, memory leak, bottleneck)

> terraform-test

Comprehensive guide for writing and running Terraform tests. Use when creating test files (.tftest.hcl), writing test scenarios with run blocks, validating infrastructure behavior with assertions, mocking providers and data sources, testing module outputs and resource configurations, or troubleshooting Terraform test syntax and execution.

> android-2d-development

Help design and implement 2D games and interactive apps targeting Android, using native (Kotlin/Java), game frameworks, or engines where applicable.

> android-3d-development

Help build and optimize 3D games and interactive experiences on Android, using engines and frameworks such as Unity, Unreal, or OpenGL/ Vulkan.

> android-architecture

Standards for Clean Architecture, Modularization, and Unidirectional Data Flow. Use when designing Android project structure, modularization, or data flow patterns. (triggers: build.gradle.kts, settings.gradle.kts, clean-architecture, module, layers, domain)

> android-background-work

Standards for WorkManager and Background Processing. Use when implementing background tasks, scheduled work, or long-running operations in Android. (triggers: **/*Worker.kt, CoroutineWorker, WorkManager, doWork)

> android-di

Standards for Hilt Setup, Scoping, and Modules. Use when setting up Hilt dependency injection, component scoping, or modules in Android. (triggers: **/*Module.kt, **/*Component.kt, @HiltAndroidApp, @Inject, @Provides, @Binds)

> android-legacy-navigation

Standards for Jetpack Navigation Component (XML) and SafeArgs. Use when working with XML-based Navigation Component or SafeArgs in Android. (triggers: navigation/*.xml, findNavController, NavDirections, navArgs)

> android-notifications

Push notifications for 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)

> flutter-bloc-state-management

Standards for predictable state management using flutter_bloc, freezed, and equatable. Use when implementing BLoC pattern for state management in Flutter. (triggers: **_bloc.dart, **_cubit.dart, **_state.dart, **_event.dart, BlocProvider, BlocBuilder, BlocListener, Cubit, Emitter)

> flutter-feature-based-clean-architecture

Standards for organizing Flutter code by feature for scalability. Use when structuring a Flutter project with feature-based clean architecture. (triggers: lib/features/**, feature, domain, infrastructure, application, presentation, modular)

> flutter-idiomatic-flutter

Modern layout and widget composition standards. Use when composing Flutter widget trees, managing layout constraints, or following idiomatic Flutter patterns. (triggers: lib/presentation/**/*.dart, context.mounted, SizedBox, Gap, composition, shrink)

> flutter-navigation

Flutter navigation patterns including go_router, deep linking, and named routes. Use when implementing navigation, deep linking, or named routes in Flutter. (triggers: **/*_route.dart, **/*_router.dart, **/main.dart, Navigator, GoRouter, routes, deep link, go_router, AutoRoute)

> flutter-notifications

Push and local notifications for Flutter using FCM and flutter_local_notifications. Use when integrating push or local notifications in 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)

> flutter-security

Security standards for Flutter applications based on OWASP Mobile. Use when applying OWASP Mobile security standards or securing a Flutter application. (triggers: lib/infrastructure/**, pubspec.yaml, secure_storage, obfuscate, jailbreak, pinning, PII, OWASP)

> flutter-testing

Unit, widget, and integration testing with robots, widget keys, and Patrol. Use when writing Flutter unit tests, widget tests, or integration tests with Patrol. (triggers: **/test/**.dart, **/integration_test/**.dart, **/robots/**.dart, lib/core/keys/**.dart, test, patrol, robot, WidgetKeys, patrolTest, blocTest, mocktail)