openapi

Guide OpenAPI 3.x document design, documentation, validation, and schema composition.

22|1|Updated Jan 10, 2026
One-click install
npx skills add https://github.com/itechmeat/llm-code --skill openapi-itechmeat
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: openapi
Source: https://github.com/itechmeat/llm-code/tree/main/skills/openapi
Command: npx skills add https://github.com/itechmeat/llm-code --skill openapi-itechmeat

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

OpenAPI specification creation and validation can be error-prone and time-consuming for teams designing RESTful APIs. This skill provides a clear, reference-driven guide to model, document, and validate OpenAPI 3.x documents.

Core Features & Use Cases

  • Guides API structure, including openapi.version, info, servers, paths, components, and security.
  • Provides recipes for common patterns and schemas, and guidance on validation and troubleshooting.
  • Use case: API teams can bootstrap a complete OpenAPI document and verify correctness before implementation.

Quick Start

Quick Start: Load this skill and consult the included references to begin crafting an OpenAPI document for a sample API.

Frequently Asked Questions about openapi

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

FAQPage Schema
How do I create and validate an OpenAPI specification for my API?

To create and validate an OpenAPI specification, you need to structure your document with core components like info, servers, paths, and security schemes. This skill provides a reference-driven guide to model, document, and verify OpenAPI 3.x documents for correctness before implementation.

What's the best way to structure an OpenAPI document for a RESTful API?

Structuring an OpenAPI document requires defining the openapi version, info, servers, paths, components, and security sections. This skill guides API design by providing recipes for common patterns and schemas to help you bootstrap a complete specification.

How does OpenAPI schema composition work across different API components?

OpenAPI schema composition works by defining reusable schemas within the components section and referencing them throughout your paths and security schemes. This skill guides schema composition and illustrates these concepts using included references for accurate API documentation.

Can I use this guide to troubleshoot and validate OpenAPI 3.x documents without external tools?

Yes, you can validate OpenAPI 3.x documents without external tools because this skill is a self-contained, reference-driven learning aid with no mandatory runtime. It provides guidance on validation and troubleshooting to verify specification correctness.

When do I need to define security schemes in my OpenAPI specification?

You need to define security schemes in your OpenAPI specification when your RESTful API requires authentication or authorization layers. This skill guides the documentation of security alongside API structure, paths, and components to ensure complete API specs.