Building a Remote MCP Server on Cloudflare (Without Auth)

@LMJayasundara

Repository

Basic information

About Building a Remote MCP Server on Cloudflare

No overview available yet

#remote-mcp-server #cloudflare #mcp-server

Building a Remote MCP Server on Cloudflare config

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

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

Building a Remote MCP Server on Cloudflare tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

Fetch the live tool list by running this server in a temporary sandbox using the button above.

Overview

What is Building a Remote MCP Server on Cloudflare (Without Auth)?

This example deploys a remote MCP server on Cloudflare Workers that does not require authentication. It is intended for developers who want a quick, publicly accessible MCP endpoint for testing or local client integration.

How to use Building a Remote MCP Server on Cloudflare (Without Auth)?

Click the "Deploy to Workers" button or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless to create and deploy the server. The server URL will be remote-mcp-server-authless.<your-account>.workers.dev/sse. Customize tools inside the init() method of src/index.ts using this.server.tool(...).

Key features of Building a Remote MCP Server on Cloudflare (Without Auth)

Deploy a remote MCP server without authentication.
Built on Cloudflare Workers for global edge deployment.
Customizable tools defined in src/index.ts.
Connects to Cloudflare AI Playground as a remote MCP client.
Works with local clients via the mcp-remote proxy.
Single‑click deployment from the provided button.

Use cases of Building a Remote MCP Server on Cloudflare (Without Auth)

Quickly test MCP tools from the Cloudflare AI Playground.
Integrate a remote MCP server with Claude Desktop using the mcp-remote proxy.
Prototype and experiment with MCP without setting up auth infrastructure.

Frequently asked questions

How do I deploy the server?

Use the "Deploy to Workers" button or run `npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless` in your terminal.

How do I add my own tools?

Inside the `init()` method of `src/index.ts`, define each tool using `this.server.tool(...)`. See the Cloudflare MCP tools documentation for details.

How do I connect from the Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/, enter your deployed MCP server URL (`remote-mcp-server-authless.<your-account>.workers.dev/sse`), and start using the tools directly.

How do I connect from Claude Desktop?

Install the `mcp-remote` npm package, then add a configuration entry in Claude Desktop’s settings pointing `npx mcp-remote` to your server’s SSE URL.

Does the server require any authentication?

No. This example intentionally deploys the MCP server without authentication.

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