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spring-boot-3x-api-documenter

Generate OpenAPI 3 documentation for Spring Boot REST APIs.

Updated Aug 23, 2026
Search Tags:#documentation#openapi#spring-boot#springdoc-openapi#api-documentation#swagger-ui
One-click install
npx skills add https://github.com/andrlange/spring-documentation-mcp-server --skill spring-boot-3x-api-documenter
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: spring-boot-3x-api-documenter
Source: https://github.com/andrlange/spring-documentation-mcp-server/tree/main/flavors/claude/skills/documentation/api-documenter-sb3x
Command: npx skills add https://github.com/andrlange/spring-documentation-mcp-server --skill spring-boot-3x-api-documenter

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill automates the generation of OpenAPI 3 documentation for Spring Boot 3.x REST APIs using springdoc-openapi, simplifying maintenance as endpoints evolve.

Core Features & Use Cases

  • OpenAPI 3.0/3.1 Specifications: Automatically document endpoints, DTOs, and responses.
  • Swagger UI / Scalar UI integration: Provide web-based API exploration and testing.
  • Dependency & Configuration Guidance: Generate and apply springdoc-openapi configurations for your project.

Quick Start

Add the springdoc-openapi starter dependency for Spring Boot 3.x (WebMvc/WebFlux), start your application, and browse the UI at /swagger-ui.html with the OpenAPI JSON at /v3/api-docs.

Frequently Asked Questions about spring-boot-3x-api-documenter

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I auto-generate OpenAPI documentation for my Spring Boot 3.x REST API?▼

Auto-generate OpenAPI 3 documentation by adding the springdoc-openapi starter dependency for Spring Boot 3.x, then start your application. The OpenAPI JSON spec appears at `/v3/api-docs` and Swagger UI at `/swagger-ui.html`, automatically extracting metadata from your @RestController annotations and DTOs.

What's the best way to document Spring Boot endpoints without manual OpenAPI specs?▼

Use springdoc-openapi to automatically document endpoints, request/response schemas, security schemes, and error responses by reading your Spring annotations and Javadoc. It generates deployment-ready OpenAPI 3.0/3.1 specifications and Swagger UI without manual spec maintenance.

Can I use Swagger UI with Spring Boot 3.x?▼

Yes, springdoc-openapi integrates Swagger UI and Scalar UI for Spring Boot 3.x. After adding the dependency and starting your application, browse `/swagger-ui.html` to explore and test your API endpoints with auto-generated documentation.

Do I need to manually write OpenAPI specs for Spring Boot APIs?▼

No. springdoc-openapi automatically generates full OpenAPI 3 specifications from your Spring Boot annotations, DTOs, and Javadoc, eliminating manual spec writing and keeping documentation synchronized as endpoints evolve.

How do I configure springdoc-openapi for Maven or Gradle projects?▼

Add the springdoc-openapi Spring Boot 3.x starter dependency to your Maven POM or Gradle build file. The Skill provides deployment-ready configuration guidance for both build tools and Spring Boot integration with no additional manual setup required.

Does springdoc-openapi support grouped API definitions?▼

Yes, springdoc-openapi generates grouped API definitions alongside full OpenAPI specs and Swagger UI, enabling organized documentation for complex APIs with multiple endpoint categories.

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