Building a Remote MCP Server on Cloudflare (Without Auth)

@BiteBase-Intelligence

Repository

Basic information

About Building a Remote MCP Server on Cloudflare

No overview available yet

#mcp-server #cloudflare #remote-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)?

Building a Remote MCP Server on Cloudflare (Without Auth) is a template for deploying a remote Model Context Protocol (MCP) server on Cloudflare Workers without requiring authentication. It integrates with Cloudflare’s AI Playground and local MCP clients like Claude Desktop, targeting developers who need a quick, authless remote MCP endpoint for testing or lightweight workflows.

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

Deploy via the “Deploy to Workers” button or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless in the CLI. Customize tools by editing src/index.ts and defining each tool inside the init() method using this.server.tool(...). After deployment, connect MCP clients using the SSE URL (e.g., remote-mcp-server-authless.<your-account>.workers.dev/sse). For Claude Desktop, configure the mcp-remote proxy in the client settings.

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

Deploy remote MCP server without authentication.
Runs on Cloudflare Workers globally.
Custom tools via TypeScript this.server.tool().
One-click deployment button.
Compatible with Cloudflare AI Playground.
Connects to Claude Desktop via mcp-remote proxy.

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

Prototype a remote MCP server for quick experiments without auth overhead.
Provide MCP tools to users of Cloudflare AI Playground.
Expose custom tools to Claude Desktop through a remote proxy.
Rapidly iterate on tool definitions using Cloudflare Workers’ free tier.

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 can I add custom tools?

Open `src/index.ts` and define each tool inside the `init()` method using `this.server.tool(...)`. Follow the Cloudflare MCP tools documentation for specifics.

How do I connect to Cloudflare AI Playground?

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

How do I connect to Claude Desktop?

Install the `mcp-remote` proxy package (`npx mcp-remote`) and add the following configuration to your Claude Desktop settings: `"mcpServers": { "calculator": { "command": "npx", "args": ["mcp-remote", "http://localhost:8787/sse"] } }`. Restart Claude to see the tools.

Does the server require any authentication?

No, this server is intentionally designed without authentication for easy testing and quick deployment.

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