spring-boot-engineer

Generates Spring Boot 3.x configurations, creates REST controllers, implements Spring Security 6 authentication flows, sets up Spring Data JPA repositories, and configures reactive WebFlux endpoints. Use when building Spring Boot 3.x applications, microservices, or reactive Java applications; invoke for Spring Data JPA, Spring Security 6, WebFlux, Spring Cloud integration, Java REST API design, or Microservices Java architecture.

1.33x

Quality

100%

Does it follow best practices?

Impact

99%

1.33x

Average score across 6 eval scenarios

Securityby

Passed

No known issues

Evaluation results

100%

13%

Product Catalog REST API

REST controller validation and exception handling

Criteria

Without context

With context

Constructor injection

100%

@RestController used

100%

@Valid on request body

100%

Record DTOs

100%

Constraint annotations on DTO

100%

@RestControllerAdvice handler

100%

Validation error response

100%

Not-found error response

100%

Generic error for unexpected exceptions

100%

201 Created + Location header

50%

100%

@Service/@Repository stereotypes

100%

No @Component misuse

100%

39%

Inventory Management Data Layer

JPA entity design and transaction management

Criteria

Without context

With context

readOnly class-level transaction

100%

Write @Transactional override

50%

100%

@Version optimistic locking

100%

N+1 prevention

100%

@Index on entity table

100%

Flyway migration scripts

100%

Flyway creates indexes

50%

100%

@Repository on repos

100%

JpaRepository extension

100%

Projection for summary view

50%

100%

Constructor injection in service

100%

Audit timestamps on entity

70%

100%

24%

API Authentication and Authorization Service

Spring Security JWT configuration and method security

Criteria

Without context

With context

@EnableWebSecurity present

100%

@EnableMethodSecurity present

100%

BCrypt strength 12

100%

STATELESS session policy

100%

JWT secret from environment

100%

No secrets in properties

50%

100%

@PreAuthorize on service methods

100%

Lambda DSL used

100%

Refresh token support

100%

Constructor injection in security beans

75%

100%

@ConfigurationProperties for JWT config

100%

Public endpoint whitelisting

100%

97%

41%

Add a Test Suite to the Survey Response Service

Spring Boot test suite with slices and Testcontainers

Criteria

Without context

With context

@WebMvcTest slice used

100%

@MockBean for service

100%

MockMvc used for assertions

100%

@DataJpaTest with replace=NONE

100%

Testcontainers PostgreSQL container

100%

@DynamicPropertySource used

100%

@DisplayName on test methods

100%

AAA structure in tests

25%

62%

@ActiveProfiles test profile

100%

@SpringBootTest integration test

100%

Validation failure test

100%

Not-found path tested

100%

97%

12%

Build a Resilient Payment Processor Integration Service

Resilience4j circuit breaker and WebClient external API integration

Criteria

Without context

With context

@CircuitBreaker with fallback

83%

100%

@Retry annotation

100%

@RateLimiter annotation

100%

WebClient with timeout

70%

@ConfigurationProperties used

100%

No hardcoded URLs or secrets

100%

Env variable placeholders in config

100%

Actuator health endpoint exposed

100%

Liveness and readiness probes

50%

100%

Constructor injection

100%

@Valid on controller endpoint

100%

Resilience4j config in YAML

100%

16%

Build a Reactive Notification Aggregation Service

Reactive WebFlux API with non-blocking patterns

Criteria

Without context

With context

Controller returns Mono/Flux

100%

No .block() in reactive chain

100%

Service layer returns Mono/Flux

100%

Record DTOs used

100%

WebTestClient in tests

100%

@WebFluxTest annotation

100%

Constructor injection in service

100%

@RestController on reactive controller

100%

No blocking-reactive mixing noted in DESIGN_NOTES

100%

@Valid on request body

100%

@MockBean in WebFlux test

100%

Repository: jeffallan/claude-skills
Commit: 5b76101

Evaluated: 27 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Product Catalog REST API Inventory Management Data Layer API Authentication and Authorization Service Add a Test Suite to the Survey Response Service Build a Resilient Payment Processor Integration Service Build a Reactive Notification Aggregation Service

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