spring

Build Spring AI application features with ChatClient, prompt templates, structured output, tool calling, advisors, chat memory, embeddings, vector stores, RAG, and MCP integration. Use this skill when building Spring AI application features with ChatClient, prompt templates, structured output, tool calling, advisors, chat memory, embeddings, vector stores, RAG, MCP, image or audio model flows, moderation, evaluation, or provider-neutral model integration in Spring.

Build RabbitMQ or AMQP producers and consumers in Spring with RabbitTemplate, @RabbitListener, queue and exchange topology, message conversion, retry, and dead-letter handling. Use this skill when building RabbitMQ or AMQP producers and consumers in Spring with RabbitTemplate, @RabbitListener, queue and exchange topology, message conversion, listener containers, batching, retry, dead-letter handling, broker configuration, testing, observability, or stream and multi-broker variants.

Implement an OAuth2 or OpenID Connect provider with Spring Authorization Server including registered clients, PKCE authorization code, token issuance, JWK exposure, consent, PAR, device authorization, introspection, and revocation. Use this skill when implementing an OAuth2 or OpenID Connect provider with Spring Authorization Server, including registered clients, authorization code with PKCE, token issuance, JWK exposure, consent, PAR, device authorization, introspection, revocation, and provider configuration.

Build and operate Spring Batch jobs with job/step configuration, chunk or tasklet processing, restartability, reader or writer choices, and scaling patterns. Use this skill when building or operating Spring Batch jobs with job and step configuration, chunk or tasklet processing, job parameters, restartability, reader or writer choices, scaling patterns, and batch-focused tests.

Build Spring Boot applications with bootstrap, starter selection, externalized configuration, configuration properties, test strategy, Actuator, and packaging. Use this skill when the task is about Spring Boot application bootstrap, starter selection, externalized configuration, configuration properties, test strategy, Actuator operations, packaging, or Boot-level runtime wiring.

Design, deploy, and operate Spring Cloud Data Flow streams and tasks with app registration, stream DSL, task launch, schedules, platform accounts, and pipeline operations. Use this skill when designing, deploying, and operating Spring Cloud Data Flow streams or tasks, including app registration, stream DSL, task launch, schedules, platform accounts, and pipeline operations.

Implement Spring Cloud distributed-system building blocks for ConfigData integration, refresh-aware configuration, service discovery, load-balanced downstream calls, and circuit-breaker boundaries. Use this skill when implementing Spring Cloud distributed-system building blocks such as ConfigData integration, refresh-aware configuration, service discovery, load-balanced downstream calls, circuit-breaker boundaries, and release-train-aligned dependency management.

Integrate Spring applications with CredHub for credential reads, writes, generated passwords or certificates, interpolation, and mutual-TLS or OAuth2 authenticated client access. Use this skill when integrating a Spring application with CredHub for credential reads, writes, generated passwords or certificates, interpolation, and mutual-TLS or OAuth2 authenticated client access.

Design Spring Data repositories, derived queries, projections, auditing, paging, and scrolling across multiple Spring Data modules. Use this skill when designing Spring Data repositories, derived queries, projections, auditing, paging, scrolling, and repository-based persistence patterns that span multiple Spring Data modules.

Apply core Spring Framework APIs for the container, Java configuration, bean lifecycle, transactions, events, validation, servlet MVC, WebFlux, WebClient, and TestContext support. Use this skill when the task depends on core Spring Framework APIs rather than Boot conventions, especially the container, Java configuration, bean lifecycle, transactions, events, validation, servlet MVC controllers and exception handling, reactive HTTP with WebFlux, WebClient, and TestContext support.

Build Spring GraphQL servers with schema resources, annotated query or mutation mappings, batching, transport-aware execution, and `GraphQlTester`-based tests. Use this skill when building Spring GraphQL servers with schema resources, annotated query or mutation mappings, batching, transport-aware execution, and `GraphQlTester`-based tests.

Implement protobuf-first gRPC servers and clients in Spring with generated stubs, configured channels, interceptors, and explicit deadlines, metadata, and reflection. Use this skill when implementing protobuf-first gRPC servers or clients in a Spring application, generating stubs, configuring channels, applying interceptors, and controlling deadlines, metadata, and reflection.

Build Spring hypermedia representations with links, assemblers, HAL output, affordances, and paged models. Use this skill when building Spring hypermedia representations with links, assemblers, HAL output, affordances, and paged models for server responses.

Build message-driven application flows with Spring Integration channels, routers, filters, splitters, aggregators, gateways, pollers, and protocol adapters. Use this skill when building message-driven application flows with Spring Integration using channels, routers, filters, splitters, aggregators, gateways, pollers, and protocol adapters.

Build Kafka producers and consumers in Spring with `KafkaTemplate`, `@KafkaListener`, topic declarations, retries, dead-letter topics, acknowledgment strategies, and embedded Kafka tests. Use this skill when building Kafka producers and consumers in Spring with `KafkaTemplate`, `@KafkaListener`, topic declarations, retries, dead-letter topics, acknowledgment strategies, and embedded Kafka tests.

Build LDAP directory reads and writes in Spring with LdapTemplate, ODM entry mapping, LDAP repository queries, authentication checks, and embedded LDAP tests. Use this skill when building LDAP directory reads and writes in Spring with LdapTemplate, ODM entry mapping, LDAP repository queries, authentication checks, and embedded LDAP tests.

Structure Spring Boot applications as explicit application modules with boundary verification, published module events, and module-interaction tests via Spring Modulith. Use this skill when structuring a Spring Boot application as explicit application modules, verifying module boundaries, publishing module events, and testing module interactions with Spring Modulith.

Build Apache Pulsar producers, consumers, and readers in Spring with `PulsarTemplate`, `@PulsarListener`, schema mapping, and DLQ patterns. Use this skill when building Apache Pulsar producers, consumers, or readers in Spring with `PulsarTemplate`, `@PulsarListener`, schema mapping, subscription type and DLQ decisions, customizers, transactions, or Pulsar-specific testing and administration.

Generate Spring REST API documentation from MockMvc or WebTestClient tests and publish snippets via Asciidoctor. Use this skill when generating REST API documentation from Spring tests with MockMvc or WebTestClient snippets, and publishing those snippets through Asciidoctor.

Secure Spring applications with `SecurityFilterChain`, authentication and authorization rules, bearer-token resource servers, method security, session and CSRF policy, and Spring Security tests. Use this skill when securing Spring applications with `SecurityFilterChain`, authentication and authorization rules, password storage, bearer-token resource servers using JWT verification or opaque-token introspection, method security, session and CSRF policy, and Spring Security tests.

Replace container-local sessions with Spring Session across Spring Security, WebFlux, and WebSocket endpoints using a chosen backing store and customized cookies or headers. Use this skill when replacing container-local sessions with Spring Session, choosing a backing session store, customizing session cookies or headers, and integrating shared sessions with Spring Security, WebFlux, or WebSocket endpoints.

Build Spring Shell command-line applications with validated commands, completion, availability rules, terminal prompts, and shell-focused tests. Use this skill when building Spring Shell command-line applications, interactive REPL workflows, validated commands, completion, command availability rules, terminal prompts, and shell-focused tests.

Model explicit application lifecycles with Spring Statemachine states, events, guards, actions, extended state, persistence, and state-machine tests. Use this skill when modeling explicit application lifecycles with Spring Statemachine, including states, events, guards, actions, extended state, persistence, and state-machine tests.

Integrate Spring applications with HashiCorp Vault for KV secret reads and writes, AppRole or token authentication, property-source loading, and transit encryption. Use this skill when integrating Spring applications with HashiCorp Vault for KV secret reads and writes, AppRole or token authentication, property-source loading, or transit encryption.

Build stateful multi-step web conversations with Spring Web Flow definitions, conversation-scoped state, transitions, validation, subflows, and flow execution tests. Use this skill when building stateful multi-step web conversations with Spring Web Flow, including flow definitions, conversation-scoped state, transitions, validation, subflows, and flow execution tests.

Build contract-first SOAP services and clients in Spring with XSD or WSDL contracts, `@Endpoint` handlers, XML marshalling, `WebServiceTemplate`, and WS-Security integration. Use this skill when building contract-first SOAP services or clients in Spring with XSD or WSDL contracts, `@Endpoint` handlers, XML marshalling, `WebServiceTemplate`, SOAP faults, and WS-Security-aware integration.