MCPInstall

java-microservices

Build microservices - Spring Cloud, service mesh, event-driven, resilience patterns

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499
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Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/pluginagentmarketplace/custom-plugin-java --skill java-microservices
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads java-microservices automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

Java Microservices Skill

Build production microservices with Spring Cloud and distributed system patterns.

Overview

This skill covers microservices architecture with Spring Cloud including service discovery, API gateway, circuit breakers, event-driven communication, and distributed tracing.

When to Use This Skill

Use when you need to:

  • Design microservices architecture
  • Implement service-to-service communication
  • Configure resilience patterns
  • Set up event-driven messaging
  • Add distributed tracing

Topics Covered

Spring Cloud Components

  • Config Server (centralized config)
  • Service Discovery (Eureka, Consul)
  • API Gateway (Spring Cloud Gateway)
  • Load Balancing (Spring Cloud LoadBalancer)

Resilience Patterns

  • Circuit Breaker (Resilience4j)
  • Retry with backoff
  • Bulkhead isolation
  • Rate limiting

Event-Driven Architecture

  • Apache Kafka integration
  • Spring Cloud Stream
  • Saga pattern
  • Event sourcing basics

Observability

  • Distributed tracing (Micrometer)
  • Metrics (Prometheus)
  • Log correlation

Quick Reference

// Saga with Choreography
@Component
public class OrderSagaListener {

    @KafkaListener(topics = "order.created")
    public void handleOrderCreated(OrderCreatedEvent event) {
        inventoryService.reserve(event.getItems());
    }

    @KafkaListener(topics = "payment.failed")
    public void handlePaymentFailed(PaymentFailedEvent event) {
        // Compensating transaction
        inventoryService.release(event.getOrderId());
        orderService.cancel(event.getOrderId());
    }
}

// Circuit Breaker Configuration
@Configuration
public class ResilienceConfig {

    @Bean
    public Customizer<Resilience4JCircuitBreakerFactory> cbCustomizer() {
        return factory -> factory.configureDefault(id ->
            new Resilience4JConfigBuilder(id)
                .circuitBreakerConfig(CircuitBreakerConfig.custom()
                    .failureRateThreshold(50)
                    .waitDurationInOpenState(Duration.ofSeconds(30))
                    .slidingWindowSize(10)
                    .build())
                .build());
    }
}

// API Gateway Routes
@Configuration
public class GatewayConfig {

    @Bean
    public RouteLocator routes(RouteLocatorBuilder builder) {
        return builder.routes()
            .route("orders", r -> r
                .path("/api/orders/**")
                .filters(f -> f
                    .stripPrefix(1)
                    .circuitBreaker(c -> c.setName("order-cb"))
                    .retry(retry -> retry.setRetries(3)))
                .uri("lb://order-service"))
            .build();
    }
}

Observability Configuration

management:
  tracing:
    sampling:
      probability: 1.0
  endpoints:
    web:
      exposure:
        include: health,info,metrics,prometheus

logging:
  pattern:
    level: "%5p [${spring.application.name:},%X{traceId:-},%X{spanId:-}]"

Common Patterns

Saga Pattern

Order → Inventory → Payment → (Success | Compensate)

Circuit Breaker States

CLOSED → (failures exceed threshold) → OPEN
OPEN → (wait duration) → HALF_OPEN
HALF_OPEN → (success) → CLOSED
HALF_OPEN → (failure) → OPEN

Troubleshooting

Common Issues

ProblemCauseSolution
Cascade failureNo circuit breakerAdd Resilience4j
Message lostNo ackEnable manual ack
Inconsistent dataNo compensationImplement saga
Service not foundDiscovery delayTune heartbeat

Debug Checklist

□ Trace request (traceId)
□ Check circuit breaker state
□ Verify Kafka consumer lag
□ Review gateway routes
□ Monitor retry counts

Usage

Skill("java-microservices")

Related Skills

  • java-spring-boot - Spring Cloud
  • java-docker - Containerization

FAQ

What does the java-microservices skill do?

Build microservices - Spring Cloud, service mesh, event-driven, resilience patterns

How do I install java-microservices?

Run npx skills add https://github.com/pluginagentmarketplace/custom-plugin-java --skill java-microservices in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/java-microservices/ (personal) or .claude/skills/java-microservices/ (project).

Which AI agents can use java-microservices?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is java-microservices safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains java-microservices?

It is published by pluginagentmarketplace in pluginagentmarketplace/custom-plugin-java. It has 499 recorded installs.

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