OpenAPI MCP Server

Name: OpenAPI MCP Server
Author: MCP-Mirror

@MCP-Mirror

Repository

About OpenAPI MCP Server

Mirror of

#openapi #mcp-server #api-integration

Basic information

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "openapi-mcp-server": {
      "command": "npx",
      "args": [
        "openapi-mcp-server",
        "/abs/path/to/spec.json"
      ]
    }
  }
}

Tools

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Overview

What is OpenAPI MCP Server?

OpenAPI MCP Server creates a Model Context Protocol proxy that converts any OpenAPI v3.1 compliant API into tools for Claude Desktop, allowing natural‑language interaction with both local and remote APIs.

How to use OpenAPI MCP Server?

Add a configuration entry to claude_desktop_config.json using the command npx openapi-mcp-server with the absolute path to your OpenAPI v3.1 spec file, then restart Claude Desktop.

Key features of OpenAPI MCP Server

Automatically turns OpenAPI endpoints into Claude tools
Supports file uploads via multipart/form‑data
Handles parameter discovery and validation
Streams large files directly from disk
Includes optional spec‑cleaning utility for LLM compatibility

Use cases of OpenAPI MCP Server

Test your own APIs through natural conversation during local development
Quickly explore and debug third‑party APIs without writing code
Learn new API endpoints by asking questions about them
Prototype integrations by describing actions in plain language
Upload files (e.g., profile pictures, documents) via natural commands

FAQ from OpenAPI MCP Server

What OpenAPI versions does OpenAPI MCP Server support?

Only OpenAPI v3.1 specifications are supported.

Can I upload files from remote URLs?

No, file uploads only accept local file paths; remote URLs are not supported.

What response types are optimized?

Response handling is optimized for JSON and text responses.

How do I configure Claude Desktop to use OpenAPI MCP Server?

Add a server entry to claude_desktop_config.json with "command": "npx" and "args": ["openapi-mcp-server", "/abs/path/to/spec.json"].

Is streaming response support included?

No, streaming responses are not yet implemented.

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