openapi-spec-builder

Name: openapi-spec-builder
Availability: InStock
Author: ehtbanton

Generate OpenAPI 3.x specification files in YAML or JSON format.

Updated Dec 17, 2025

Search Tags:#openapi #yaml #spec generation #swagger #rest api #api documentation

Ready to run

npx skills add https://github.com/ehtbanton/ClaudeSkillsRepo --skill openapi-spec-builder

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: openapi-spec-builder
Source: https://github.com/ehtbanton/ClaudeSkillsRepo/tree/main/openapi-spec-builder
Command: npx skills add https://github.com/ehtbanton/ClaudeSkillsRepo --skill openapi-spec-builder

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill automates the creation of OpenAPI 3.x specification files, streamlining API documentation, SDK generation, and testing processes.

Core Features & Use Cases

Generate OpenAPI Specs: Create comprehensive YAML or JSON OpenAPI 3.x files.
Define Endpoints, Schemas, Auth: Includes paths, components, security schemes, and responses.
Use Case: Generate an OpenAPI spec for a new e-commerce API, defining endpoints for products, orders, and users, including authentication and data models.

Quick Start

Use the openapi-spec-builder skill to generate an OpenAPI 3.0.3 spec for a user management API.

Frequently Asked Questions about openapi-spec-builder

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

FAQPage Schema

How do I generate an OpenAPI spec for a REST API?▼

To generate an OpenAPI spec for a REST API, define your endpoints, request/response schemas, and authentication methods. This process creates comprehensive OpenAPI 3.x files in YAML or JSON format, streamlining API documentation and testing workflows.

What is OpenAPI 3.x specification generation used for?▼

OpenAPI 3.x specification generation is used to automate the creation of standardized API documentation. It defines REST API endpoints, schemas, and authentication methods to facilitate client SDK generation and automated testing workflows.

Can I define authentication methods and schemas when creating Swagger files?▼

Yes, you can define authentication methods and schemas when creating Swagger or OpenAPI files. The specification supports defining paths, components, security schemes, and detailed response schemas for your REST API.

Does OpenAPI spec generation support both YAML and JSON output formats?▼

Yes, OpenAPI spec generation supports both YAML and JSON output formats. You can generate your API specification in either format to suit your documentation, client SDK generation, or automated testing workflow requirements.

What's the best way to document a new e-commerce REST API?▼

The best way to document a new e-commerce REST API is to generate an OpenAPI 3.x specification. This involves defining endpoints for resources like products and orders, including data models, schemas, and authentication methods in a structured YAML or JSON file.