# OpenAPI Spec Validator

> Validates and lints OpenAPI 3.0/3.1 specifications using Spectral CLI rules and the Swagger Parser library. Detects breaking changes between spec versions and generates migration guides.

- Skill: `agentskillexchange/openapi-spec-validator` (Agent Skill)
- Install (CLI): `npx skillmds@latest add agentskillexchange/openapi-spec-validator`
- Raw SKILL.md: https://api.skillmd.com/api/skills/agentskillexchange/openapi-spec-validator/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: agentskillexchange (https://skillmd.com/u/agentskillexchange)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/agentskillexchange/openapi-spec-validator

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# OpenAPI Spec Validator

Validates and lints OpenAPI 3.0/3.1 specifications using Spectral CLI rules and the Swagger Parser library. Detects breaking changes between spec versions and generates migration guides.

## Prerequisites

Node.js

## Installation

Use the upstream install or setup path that matches your environment:
- npm install -g @stoplight/spectral-cli
- yarn global add @stoplight/spectral-cli

Basic usage or getting-started notes:
- [💻 Usage](#-usage)
- ## 💻 Usage
- To get started, run this command in your terminal to create a .spectral.yaml file that uses the Spectral predefined rulesets based on OpenAPI, Arazzo or AsyncAPI:

- Source: https://github.com/stoplightio/spectral
- Extracted from upstream docs: https://raw.githubusercontent.com/stoplightio/spectral/HEAD/README.md

## Documentation

- https://docs.stoplight.io/docs/spectral/ZG9jOjExNw-overview

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/openapi-spec-validator-agent/)