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0xMerl99
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openapi-expert

Design, validate, and generate code from OpenAPI 3.0/3.1 specifications.

1|Updated Mar 2, 2026
Search Tags:#api design#openapi#specification#code generation#swagger#restful api
One-click install
npx skills add https://github.com/0xMerl99/FangAI --skill openapi-expert
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: openapi-expert
Source: https://github.com/0xMerl99/FangAI/tree/main/crates/openfang-skills/bundled/openapi-expert
Command: npx skills add https://github.com/0xMerl99/FangAI --skill openapi-expert

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides expert guidance on designing, validating, and generating code from OpenAPI/Swagger API specifications, ensuring robust and maintainable API contracts.

Core Features & Use Cases

  • API Specification Design: Offers best practices for structuring OpenAPI 3.0/3.1 documents, including schema composition, security definitions, and versioning.
  • Validation & Linting: Guides users on using tools to catch breaking changes and enforce consistency.
  • Code Generation: Explains how to leverage tools like openapi-generator for creating server stubs and client SDKs.
  • Use Case: A backend developer needs to design a new REST API. This Skill will guide them through creating a comprehensive OpenAPI specification that serves as a clear contract for frontend and mobile teams, and can be used to auto-generate boilerplate code.

Quick Start

Use the openapi-expert skill to generate a server stub for an OpenAPI 3.0 specification.

Frequently Asked Questions about openapi-expert

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

FAQPage Schema
How do I design a RESTful API using OpenAPI 3.0 specifications?▼

Designing a RESTful API with OpenAPI 3.0 involves structuring schema compositions, defining security schemas, and establishing versioning to create robust, maintainable API contracts for developer experience.

What's the best way to generate server stubs and client SDKs from an OpenAPI specification?▼

Generating server stubs and client SDKs from an OpenAPI specification is best achieved using tools like openapi-generator, which auto-generates boilerplate code from your defined API contract.

How does OpenAPI 3.1 differ from 3.0 for API contract management?▼

OpenAPI 3.1 differs from 3.0 by offering updated standards for RESTful API design, schema composition, and security definitions, ensuring clearer API contracts and improved developer experience.

Can I validate Swagger specifications to catch breaking changes and enforce consistency?▼

Validating Swagger specifications involves using linting tools to catch breaking changes, enforce consistency, and ensure your API contract management follows established design patterns.

How do I structure schema composition and security definitions in an OpenAPI document?▼

Structuring schema composition and security definitions in an OpenAPI document requires following best practices for schema design and security schemas to maintain a clear API contract.

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