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OpenAPI MCP Server

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Overview

OpenAPI MCP Server is a tool that enables seamless interaction with any OpenAPI (v3.1) compliant API through natural language via Claude Desktop, acting as a proxy for these APIs.

To use the server, configure your Claude Desktop by adding the required MCP server settings in your claude_desktop_config.json file, restart Claude Desktop, and then start interacting with your APIs using natural language commands.

  • Automatically converts OpenAPI endpoints into Claude tools. - Allows discovery and understanding of API endpoints and parameters. - Supports file uploads for APIs that accept multipart/form-data. - Handles API calls and responses automatically on behalf of the user.
  1. Test APIs interactively through natural conversation.
  2. Prototype integrations with third-party APIs without writing code.
  3. Upload files and process documents using API commands.

Add to your AI client

Use these steps to connect OpenAPI MCP Server in Cursor, Claude, VS Code, and other MCP-compatible apps. The same JSON appears in the Use with menu above for one-click copy.

Cursor

Add this to your .cursor/mcp.json file in your project root, then restart Cursor.

.cursor/mcp.json

{
  "mcpServers": {
    "openapi-mcp-server-snaggle-ai": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-openapi-mcp-server-snaggle-ai"
      ]
    }
  }
}

Claude Desktop

Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.

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

{
  "mcpServers": {
    "openapi-mcp-server-snaggle-ai": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-openapi-mcp-server-snaggle-ai"
      ]
    }
  }
}

Claude Code

Add this to your project's .mcp.json file. Claude Code will detect it automatically.

.mcp.json (project root)

{
  "mcpServers": {
    "openapi-mcp-server-snaggle-ai": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-openapi-mcp-server-snaggle-ai"
      ]
    }
  }
}

VS Code (Copilot)

Add this to your .vscode/mcp.json file. Requires the GitHub Copilot extension with MCP support enabled.

.vscode/mcp.json

{
  "servers": {
    "openapi-mcp-server-snaggle-ai": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-openapi-mcp-server-snaggle-ai"
      ]
    }
  }
}

Windsurf

Add this to your Windsurf MCP config file, then restart Windsurf.

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "openapi-mcp-server-snaggle-ai": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-openapi-mcp-server-snaggle-ai"
      ]
    }
  }
}

Cline

Open Cline settings, navigate to MCP Servers, and add this server configuration.

Cline MCP Settings (via UI)

{
  "mcpServers": {
    "openapi-mcp-server-snaggle-ai": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-openapi-mcp-server-snaggle-ai"
      ]
    }
  }
}
Developer tools
OpenAPI MCP Server — MCP Registry