remote-mcp-server

The Remote MCP Server on Cloudflare guide details the process of setting up a Model Context Protocol server using Cloudflare Workers. It includes steps for local development, connecting to the MCP Inspector, integrating with Claude Desktop, and deploying the server to Cloudflare. The guide also covers how to connect to the server from a remote MCP client and provides troubleshooting tips. The MCP server allows for OAuth login and can be accessed via a browser or command line, facilitating seamless interaction with defined tools.

Features

• Local Development: Instructions for setting up and running the MCP server locally using npm and npx.
• MCP Inspector Integration: Steps to connect the MCP Inspector to the server for API exploration.
• Claude Desktop Integration: Configuration guidance for connecting Claude Desktop to the MCP server.
• Cloudflare Deployment: Detailed steps for deploying the MCP server to Cloudflare Workers.
• Remote Client Connection: Instructions for connecting to the MCP server from a remote client.

Usage with Different Platforms

local_development

bash
# clone the repository
git clone git@github.com:cloudflare/ai.git

# install dependencies
cd ai
npm install

# run locally
npx nx dev remote-mcp-server

mcp_inspector

bash
npx @modelcontextprotocol/inspector

claude_desktop_local

{
  "mcpServers": {
    "math": {
      "command": "npx",
      "args": [
        "mcp-remote",
        "http://localhost:8787/sse"
      ]
    }
  }
}

cloudflare_deployment

bash
npx wrangler kv namespace create OAUTH_KV
# Follow the guidance to add the kv namespace ID to `wrangler.jsonc`
npm run deploy

claude_desktop_remote

{
  "mcpServers": {
    "math": {
      "command": "npx",
      "args": [
        "mcp-remote",
        "https://worker-name.account-name.workers.dev/sse"
      ]
    }
  }
}