Building a Remote MCP Server on Cloudflare (Without Auth)

@muratkryc

Repository

Basic information

About Building a Remote MCP Server on Cloudflare

No overview available yet

#remote-mcp #cloudflare #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 project lets you deploy a remote MCP (Model Context Protocol) server on Cloudflare Workers without requiring authentication. It targets developers who want to expose MCP tools to remote clients with minimal setup.

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

Deploy by clicking the "Deploy to Workers" button (gets a URL like remote-mcp-server-authless.<your-account>.workers.dev/sse) or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Customize tools in src/index.ts inside the init() method. Then connect from Cloudflare AI Playground by entering the SSE URL, or from Claude Desktop via the mcp-remote proxy.

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

Deploy a remote MCP server to Cloudflare Workers with one click.
No authentication required for client connections.
Uses SSE (Server-Sent Events) transport.
Connect directly from Cloudflare AI Playground.
Works with Claude Desktop via mcp-remote proxy.

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

Expose custom MCP tools to the Cloudflare AI Playground.
Use MCP tools from Claude Desktop without local servers.
Quickly prototype and test remote MCP tool invocation.
Deploy a public MCP endpoint for development or demos.

Frequently asked questions

How do I deploy this MCP server?

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

How do I connect to it from Claude Desktop?

Install the `mcp-remote` proxy, then add a configuration entry to Claude Desktop's MCP settings pointing to your server's SSE URL (e.g., `http://localhost:8787/sse` or the deployed Workers URL).

How do I add my own tools?

Define each tool inside the `init()` method of `src/index.ts` using `this.server.tool(...)`. Refer to Cloudflare's MCP tools documentation.

What transport does this server use?

It uses SSE (Server-Sent Events) at the `/sse` endpoint.

Does this server require authentication?

No, the deployed MCP server does not require authentication by default.

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