Agent skill
502-frameworks-micronaut-rest
Use when you need to design, review, or improve REST APIs with Micronaut — including @Controller routes, HTTP status codes, DTOs, Bean Validation, exception handlers, pagination, idempotency, ETag/If-Match, caching headers, versioning, contract-first OpenAPI (OpenAPI Generator), optional runtime OpenAPI via micronaut-openapi, and security annotations. Part of the skills-for-java project
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/other/other/502-frameworks-micronaut-rest
Metadata
Additional technical details for this skill
- author
- Juan Antonio Breña Moral
- version
- 0.14.0
SKILL.md
Micronaut REST API Guidelines
Apply REST design principles for Micronaut HTTP applications.
What is covered in this Skill?
- Semantic HTTP with @Get/@Post/@Put/@Patch/@Delete and HttpResponse status control
- Resource-oriented paths and stable DTO contracts
- @Valid on request bodies with Bean Validation
- Centralized error mapping (ExceptionHandler / problem JSON when applicable)
- Pagination with Pageable and bounded sizes
- OpenAPI contract file (API-first) and OpenAPI Generator for server stubs
- Security annotations (@Secured) on sensitive routes
- Idempotency-Key for retried writes
- ETag / If-Match for optimistic concurrency
- Cache-Control discipline
- API versioning patterns
- ISO-8601 time types in DTOs
Scope: Apply recommendations based on the reference rules and good/bad code examples.
Constraints
Compile before REST refactors; verify after.
- MANDATORY: Run
./mvnw compileormvn compilebefore applying any change - SAFETY: If compilation fails, stop immediately
- VERIFY: Run
./mvnw clean verifyormvn clean verifyafter applying improvements - BEFORE APPLYING: Read the reference for detailed rules and examples
When to use this skill
- Review or improve Micronaut @Controller REST APIs
- Add validation, error handling, or align controllers with the OpenAPI contract on Micronaut HTTP layer
Reference
For detailed guidance, examples, and constraints, see references/502-frameworks-micronaut-rest.md.
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