openapi-mcp

OpenAPI MCP

openapi-mcp is a tool that converts OpenAPI specifications into MCP (Machine Chat Protocol) servers, enabling seamless integration of API definitions with AI assistants.

Features

• Supports both OpenAPI v2 (Swagger) and OpenAPI v3 specifications
• Converts API endpoints into MCP tools
• Provides both StdIO and SSE server modes

How to use

StdIO

go run . --file doc.json

SSE

# serve on http://localhost:3000/sse
go run . --file doc.json --sse 0.0.0.0:3000

Remote File

go run . --file https://converter.swagger.io/api/openapi.json