OpenAPI Spec Validator & Mock Server

Validates OpenAPI 3.x specifications using the swagger-parser library and generates Prism mock servers. Detects schema inconsistencies, missing examples, and generates SDK client stubs via openapi-generator.

Installation

Use the upstream install or setup path that matches your environment:

• npm install -g @stoplight/prism-cli

Requirements and caveats from upstream:

• Prism requires
• Cannot access mock server when using Docker?
• Prism uses localhost by default, which usually means 127.0.0.1. When using docker the mock server will

Basic usage or getting-started notes:

• Prism is an open-source HTTP server run from the command-line. It provides mocking, request validation, and content negotiation. Use it standalone tool or in continuous integration.

• This information refers to Open Source Prism 3.x, which is the current version most likely you will use. If you're looking for the 2.x version, look at the [2.x branch][2.x]

• NodeJS >= 18.20.1

• Source: https://github.com/stoplightio/prism

• Extracted from upstream docs: https://raw.githubusercontent.com/stoplightio/prism/HEAD/README.md

Source

• Agent Skill Exchange