Building a Remote MCP Server on Cloudflare (Without Auth)

@crocodile

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",
        "remote-mcp-server-authless.your-account.workers.dev/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 template deploys a remote MCP server on Cloudflare Workers that requires no authentication. It is intended for developers who want to expose MCP tools over SSE without auth.

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

Deploy using the "Deploy to Workers" button or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Customize tools in src/index.ts using this.server.tool(...). Connect via Cloudflare AI Playground or Claude Desktop using the mcp-remote proxy.

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

Deploy a remote MCP server on Cloudflare Workers
No authentication required
Customize tools in the init() method
Exposes an SSE endpoint
Connects to Cloudflare AI Playground
Connect Claude Desktop via mcp-remote proxy

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

Exposing MCP tools publicly without authentication
Testing remote MCP clients like Cloudflare AI Playground
Connecting Claude Desktop to a remote MCP server via proxy

Frequently asked questions

How do I deploy the server?

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

How do I add custom tools?

Define each tool inside the `init()` method of `src/index.ts` using `this.server.tool(...)`.

How do I connect to Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/, enter your deployed server's SSE URL (e.g., `remote-mcp-server-authless.<your-account>.workers.dev/sse`), and use the tools directly.

How do I connect Claude Desktop to the server?

Use the `mcp-remote` npm package as a proxy. In Claude Desktop's config, add an entry with `command: "npx"` and `args: ["mcp-remote", "<your-sse-url>"]`.

What is the server's URL after deployment?

The server is deployed to a URL like `remote-mcp-server-authless.<your-account>.workers.dev/sse`.

Comments

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