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openapi-first

Generate Spring-compatible controllers, DTOs, and client stubs from OpenAPI specs.

203|35|Updated Apr 14, 2026
Search Tags:#openapi#controller#generate#dto#api-first#client
One-click install
npx skills add https://github.com/rrezartprebreza/spring-boot-skills --skill openapi-first-rrezartprebreza
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: openapi-first
Source: https://github.com/rrezartprebreza/spring-boot-skills/tree/main/skills/openapi-first
Command: npx skills add https://github.com/rrezartprebreza/spring-boot-skills --skill openapi-first-rrezartprebreza

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

OpenAPI-first development bridges API design and implementation by generating server interfaces, data transfer objects (DTOs), and API clients directly from an OpenAPI specification, reducing boilerplate and drift between contract and code.

Core Features & Use Cases

  • Generate server skeletons (controllers/interfaces) from an OpenAPI spec.
  • Generate DTO models and client stubs that reflect the API contract.
  • Use with the ApiDelegate pattern to separate generated code from business logic; ideal for Spring Boot projects.

Quick Start

Provide an OpenAPI spec and ask for scaffolding to bootstrap controllers, models, and clients.

Frequently Asked Questions about openapi-first

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

FAQPage Schema
How do I generate Spring Boot controllers and DTOs from an OpenAPI spec?▼

Generate Spring-compatible controllers and DTOs from an OpenAPI spec by providing your YAML file and requesting scaffolding, which produces delegate-based server interfaces and models to reduce boilerplate.

What is OpenAPI-first development and how does it reduce contract drift?▼

OpenAPI-first development bridges API design and implementation by generating server interfaces, DTOs, and clients directly from a specification, ensuring the code matches the contract and reducing drift.

Can I use the ApiDelegate pattern with openapi-generator-maven-plugin to separate business logic?▼

Yes, you can use the ApiDelegate pattern with the openapi-generator-maven-plugin to separate generated code from business logic, making it ideal for scaffolding Spring Boot projects.

Where should I place the OpenAPI YAML file to scaffold API clients and models?▼

Place the OpenAPI spec file at src/main/resources/openapi.yaml to scaffold API clients and models, allowing the generation of server skeletons and DTOs that reflect the API contract.

Does OpenAPI generation work for projects without an existing API specification?▼

No, OpenAPI generation requires an existing OpenAPI specification file to produce controllers, DTOs, and client stubs, as it relies on the spec to scaffold the code structure.

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