Building a Remote MCP Server on Cloudflare (Without Auth)

@rokith

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About Building a Remote MCP Server on Cloudflare (Without Auth)

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

Config

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Overview

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

This example allows you to deploy a remote MCP (Model Context Protocol) server on Cloudflare Workers that does not require authentication. It is intended for developers who want a quick, no-auth MCP server integrated with Cloudflare's infrastructure.

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

Deploy by clicking the "Deploy to Workers" button in the README or by running npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. After deployment, the server is available at a URL like remote-mcp-server-authless.<your-account>.workers.dev/sse. Connect to it from Cloudflare AI Playground by entering that URL, or from local MCP clients (e.g., Claude Desktop) using the mcp-remote proxy as shown in the README’s JSON configuration example.

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

Deploy a remote MCP server without authentication.
Customize MCP tools via the server.tool() method in src/index.ts.
Connect directly to Cloudflare AI Playground.
Connect local clients (e.g., Claude Desktop) via mcp-remote proxy.
Fully serverless deployment on Cloudflare Workers.

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

Quickly deploy a public MCP server for prototyping or internal tools.
Enable custom MCP tools in the Cloudflare AI Playground.
Connect the remote MCP server to local AI applications like Claude Desktop.

FAQ from Building a Remote MCP Server on Cloudflare (Without Auth)

How do I deploy the server?

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

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 Claude Desktop?

Use the mcp-remote proxy (from npm). Update your Claude Desktop's mcpServers configuration with the command npx mcp-remote and your server’s SSE URL.

What URL will my server have?

After deployment, the server is available at remote-mcp-server-authless.<your-account>.workers.dev/sse (replace <your-account> with your Cloudflare account identifier).

Does this server require authentication?

No, this example is specifically designed to run without authentication.

Frequently asked questions

How do I deploy the server?

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

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 Claude Desktop?

Use the `mcp-remote` proxy (from npm). Update your Claude Desktop's `mcpServers` configuration with the command `npx mcp-remote` and your server’s SSE URL.

What URL will my server have?

After deployment, the server is available at `remote-mcp-server-authless.<your-account>.workers.dev/sse` (replace `<your-account>` with your Cloudflare account identifier).

Does this server require authentication?

No, this example is specifically designed to run without authentication.

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