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Building a Remote MCP Server on Cloudflare (Without Auth)

@zaki-yama-labs

Repository

Basic information

Category

Developer Tools

Transports

stdio

Author

zaki-yama-labs

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)?

A deployment template for creating a remote MCP (Model Context Protocol) server on Cloudflare Workers that does not require authentication. It is intended for developers who want to expose MCP tools over SSE without handling user access controls.

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 inside the init() method of src/index.ts by calling this.server.tool(...). Connect to the deployed URL (e.g., remote-mcp-server-authless.<your-account>.workers.dev/sse) from remote MCP clients.

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

  • Deploy a remote MCP server with zero authentication required
  • Add custom MCP tools defined in src/index.ts
  • Connect directly from Cloudflare AI Playground
  • Connect from Claude Desktop using the mcp-remote proxy
  • Uses Cloudflare Workers for serverless hosting

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

  • Quickly expose MCP tools to AI clients without building auth infrastructure
  • Prototype and test MCP tools using Cloudflare AI Playground
  • Integrate remote MCP tools into local environments like Claude Desktop

Frequently asked questions

1

How do I deploy the 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.

2

How do I add my own tools?

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

3

Can I connect to Cloudflare AI Playground?

Yes. Go to https://playground.ai.cloudflare.com/, enter your deployed MCP server URL (ending in `/sse`), and then use your tools directly.

4

How do I connect Claude Desktop to this server?

Install the `mcp-remote` npm package, then configure Claude Desktop’s `mcpServers` with `"command": "npx", "args": ["mcp-remote", "<your-server-url>/sse"]`. Restart Claude to see the tools.

5

Does the server require authentication?

No. This template deliberately omits authentication. All requests are accepted without credentials.

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