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Building a Remote MCP Server on Cloudflare (Without Auth)

@Koploseus

Basic information

Category

Developer Tools

Transports

stdio

Author

Koploseus

About Building a Remote MCP Server on Cloudflare

No overview available yet

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 server deploys a remote MCP (Model Context Protocol) server on Cloudflare Workers that requires no authentication. It is intended for developers who want to experiment with remote MCP tools and connect them to clients like Cloudflare AI Playground or Claude Desktop.

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. Customize tools inside the init() method of src/index.ts. Connect the deployed URL (e.g., https://remote-mcp-server-authless.<your-account>.workers.dev/sse) to Cloudflare AI Playground or use the mcp-remote proxy to connect from Claude Desktop.

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

  • Deployed on Cloudflare Workers with no authentication required.
  • Remote SSE transport for MCP communication.
  • Easily customizable with your own tools via this.server.tool(...).
  • Works with Cloudflare AI Playground as a remote MCP client.
  • Connectable to local MCP clients via the mcp-remote proxy.

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

  • Prototype remote MCP tools without setting up authentication.
  • Test MCP tool integrations from Cloudflare AI Playground.
  • Connect remote MCP servers to Claude Desktop for local workflow.
  • Learn how to deploy and customize a stateless MCP server on the edge.

Frequently asked questions

1

Does this server require authentication?

No. This MCP server is deliberately built without authentication for ease of testing and prototyping.

2

How do I deploy this server?

Use the “Deploy to Workers” button in the README or run `npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless` to create a local project and deploy.

3

How can I connect it to Claude Desktop?

Install the `mcp-remote` npm package and configure Claude Desktop’s MCP servers with the command `npx mcp-remote <your-server-url>/sse`.

4

What runtime or dependencies are needed?

A Cloudflare account for deployment. For local development, Node.js and npm are required. No additional authentication libraries are needed.

5

Where does the server data live?

The MCP server runs on Cloudflare Workers edge infrastructure. No persistent data storage is mentioned in this example.

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