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openapi-spec-generation

Generate and maintain OpenAPI 3.1 specifications for RESTful APIs.

Updated Aug 23, 2026
Search Tags:#documentation#api design#openapi#validation#api specification#sdk generation
One-click install
npx skills add https://github.com/ACGSpgp/ACGS --skill openapi-spec-generation-acgspgp
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: openapi-spec-generation
Source: https://github.com/ACGSpgp/ACGS/tree/main/.agent/workflows/documentation-generation/1.2.0/skills/openapi-spec-generation
Command: npx skills add https://github.com/ACGSpgp/ACGS --skill openapi-spec-generation-acgspgp

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill streamlines the creation, maintenance, and validation of OpenAPI 3.1 specifications, ensuring consistency and accuracy in API documentation and development.

Core Features & Use Cases

  • API Specification Generation: Create OpenAPI specs from scratch or from existing code.
  • Design-First & Code-First: Supports both approaches for API contract definition.
  • Validation & Linting: Integrates tools like Spectral and Redocly for quality assurance.
  • SDK Generation: Automates the creation of client SDKs in various languages.
  • Use Case: You are developing a new REST API and need to generate a comprehensive OpenAPI 3.1 specification that can be used for documentation, client SDK generation, and contract testing.

Quick Start

Use the openapi-spec-generation skill to create a complete OpenAPI 3.1 specification for a user management API.

Frequently Asked Questions about openapi-spec-generation

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

FAQPage Schema
How do I generate an OpenAPI 3.1 specification for a RESTful API?▼

To generate an OpenAPI 3.1 specification, use this Skill to create API contracts from scratch via a design-first approach or from existing code. It produces complete specs for documentation, SDK generation, and contract testing.

Can I create an OpenAPI spec from existing code across multiple programming languages?▼

Yes, you can create an OpenAPI spec from existing code. This Skill supports code-first generation across multiple programming languages and frameworks to automatically extract and maintain API specifications.

What's the best way to validate and lint an OpenAPI specification?▼

The best way to validate and lint an OpenAPI specification is using integrated tools like Spectral and Redocly. This Skill facilitates contract compliance and quality assurance through automated validation checks.

Does this approach support both design-first and code-first API development?▼

Yes, this approach supports both design-first and code-first API development methodologies. You can define your API contract before writing code or generate OpenAPI 3.1 specifications from your existing codebase.

How do I automate client SDK generation from an OpenAPI specification?▼

Automate client SDK generation by using your OpenAPI specification as input. This Skill facilitates automated creation of client SDKs in various languages to streamline API integration and consumption.

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