> browse/registry

> android-tooling

Standards for Static Analysis (Detekt, Ktlint) and CI/CD Checks. Use when configuring Detekt, Ktlint, lint rules, or CI/CD for Android projects. (triggers: build.gradle.kts, detekt.yml, detekt, ktlint, lint)

> android-xml-views

Standards for ViewBinding, RecyclerView, and XML Layouts. Use when implementing XML layouts, ViewBinding, or RecyclerView adapters in Android. (triggers: layout/*.xml, **/*Binding.java, **/*Binding.kt, ViewBinding, ConstraintLayout, RecyclerView)

> android-gradle-logic

Expert guidance on setting up scalable Gradle build logic using Convention Plugins and Version Catalogs.

> android-networking

Standards for Retrofit, OkHttp, and API Communication. Use when integrating Retrofit, OkHttp, or API clients in Android apps. (triggers: **/*Api.kt, **/*Service.kt, **/*Client.kt, Retrofit, OkHttpClient, @GET, @POST)

> android-coroutines

Authoritative rules and patterns for production-quality Kotlin Coroutines onto Android. Covers structured concurrency, lifecycle integration, and reactive streams.

> android-retrofit

Expert guidance on setting up and using Retrofit for type-safe HTTP networking in Android. Covers service definitions, coroutines, OkHttp configuration, and Hilt integration.

> gradle-build-performance

Debug and optimize Android/Gradle build performance. Use when builds are slow, investigating CI/CD performance, analyzing build scans, or identifying compilation bottlenecks.

> kotlin-concurrency-expert

Kotlin Coroutines review and remediation for Android. Use when asked to review concurrency usage, fix coroutine-related bugs, improve thread safety, or resolve lifecycle issues in Kotlin/Android code.

> rxjava-to-coroutines-migration

Guide and execute the migration of asynchronous code from RxJava to Kotlin Coroutines and Flow. Use this skill when a user asks to convert RxJava (Observables, Singles, Completables, Subjects) to Coroutines (suspend functions, Flows, StateFlows).

> xml-to-compose-migration

Convert Android XML layouts to Jetpack Compose. Use when asked to migrate Views to Compose, convert XML to Composables, or modernize UI from View system to Compose.

> azure-app-service

Expert knowledge for Azure App Service development including troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, integrations & coding patterns, and deployment. Use when building, debugging, or optimizing Azure App Service applications. Not for Azure Functions (use azure-functions), Azure Container Apps (use azure-container-apps), Azure Spring Apps (use azure-spring-apps), Azure Static Web Apps (use azure-static-web-apps).

> hexagonal-architecture-layers-java

Hexagonal architecture layering for Java services with strict boundaries. Trigger: When structuring Java apps by Domain/Application/Infrastructure, or refactoring toward clean architecture.

> azure-spring-apps

Expert knowledge for Azure Spring Apps development including troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, integrations & coding patterns, and deployment. Use when building, debugging, or optimizing Azure Spring Apps applications. Not for Azure App Service (use azure-app-service), Azure Kubernetes Service (AKS) (use azure-kubernetes-service), Azure Container Apps (use azure-container-apps).

> azure-communication-callingserver-java

Azure Communication Services CallingServer (legacy) Java SDK. Note - This SDK is deprecated. Use azure-communication-callautomation instead for new projects. Only use this skill when maintaining legacy code.

> azure-communication-sms-java

Send SMS messages with Azure Communication Services SMS Java SDK. Use when implementing SMS notifications, alerts, OTP delivery, bulk messaging, or delivery reports.

> android-persistence

Standards for Room Database and DataStore. Use when implementing Room database schemas or DataStore preferences in Android. (triggers: **/*Dao.kt, **/*Database.kt, **/*Entity.kt, @Dao, @Entity, RoomDatabase)

> android-testing

Standards for Unit Tests, UI Tests (Compose), and Hilt Integration. Use when writing unit tests, Compose UI tests, or Hilt test modules in Android. (triggers: **/*Test.kt, **/*Rule.kt, @Test, runTest, composeTestRule)

> java-language

Modern Java standards (21+) including Records, Pattern Matching, and Virtual Threads. Use when working with Java 21+ Records, sealed classes, or pattern matching features. (triggers: **/*.java, pom.xml, build.gradle, record, switch, sealed, var, virtual thread, stream, optional)

> java-concurrency

Modern concurrency patterns using Virtual Threads and Structured Concurrency. Use when implementing Java Virtual Threads, Structured Concurrency, or concurrent APIs. (triggers: **/*.java, thread, async, future, executor, synchronized, lock, await)

> azure-monitor-opentelemetry-exporter-java

Azure Monitor OpenTelemetry Exporter for Java. Export OpenTelemetry traces, metrics, and logs to Azure Monitor/Application Insights. Triggers: "AzureMonitorExporter java", "opentelemetry azure java", "application insights java otel", "azure monitor tracing java". Note: This package is DEPRECATED. Migrate to azure-monitor-opentelemetry-autoconfigure.