OpenAPI MCP Server

29

Health

stale

45

Popularity

Automatically generate MCP tools from any OpenAPI/Swagger specification. Connect to any REST API instantly.

892stars

93forks

6,200views

TypeScript

MIT

Updated May 10, 2026

#openapi#swagger#rest-api#integration#mcp

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Add to Claude Desktop

Paste this into your claude_desktop_config.json file:

{
  "mcpServers": {
    "openapi-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "openapi-mcp-server"
      ]
    }
  }
}

Config file location: ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

Installation

npx openapi-mcp-server --spec https://api.example.com/openapi.json

Key Features

Auto-generate tools from OpenAPI specs

Support for OAuth and API key auth

Handle complex request/response schemas

Automatic parameter validation

Works with any REST API

Compatibility

claude✓ Yes

openai✓ Yes

langchain✓ Yes

Maintenance Healthstale

Freshness8/40

Issue response3/30

Org backing10/20

Longevity8/10

› Updated within a year

› Most issues unresolved

Server Info

Categoryapi

LanguageTypeScript

LicenseMIT

StatusACTIVE

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