OpenAPI MCP Server

OpenAPI MCP Server

A Model Context Protocol (MCP) server for Claude/Cursor that enables searching and exploring OpenAPI specifications through oapis.org.

The MCP works by applying a 3 step process :

1. It figures out the openapi identifier you need
2. It requests a summary of that in simple language
3. It determines which endpoints you need, and checks out how exactly they work (again, in simple language)

Features

• Get an overview of any OpenAPI specification
• Retrieve details about specific API operations
• Support for both JSON and YAML formats
• Tested with Claude Desktop and Cursor

Usage in Claude

Once installed, you can ask Claude to:

• "Find information about the Stripe API"
• "Explain how to use the GitHub API's repository endpoints"

Claude will use the MCP server to:

1. First get an overview of the requested API
2. Then retrieve specific operation details as needed