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Building a Remote MCP Server on Cloudflare (Without Auth)

@ghsaboias

Repository

Basic information

Category

Developer Tools

Transports

stdio

Author

ghsaboias

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 example demonstrates how to deploy a remote Model Context Protocol (MCP) server on Cloudflare Workers without requiring authentication. It is intended for developers who want to host customizable MCP tools on Cloudflare’s edge network.

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

Deploy directly using the Cloudflare Workers deploy button, or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless locally. Add custom tools inside the init() method of src/index.ts using this.server.tool(...). Connect remote MCP clients by providing the deployed SSE URL.

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

  • Deployable to Cloudflare Workers with a single click or CLI command.
  • Supports custom MCP tools defined in TypeScript.
  • Uses SSE (Server-Sent Events) transport.
  • No authentication required for connections.
  • Integrates with Cloudflare AI Playground as a remote MCP client.

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

  • Deploying a public MCP server for testing or personal use.
  • Connecting a remote MCP server to Cloudflare AI Playground.
  • Integrating remote MCP tools with local desktop clients like Claude Desktop via an mcp-remote proxy.

Frequently asked questions

1

What does this server do?

It hosts MCP tools on Cloudflare Workers over SSE, without any authentication layer.

2

How do I deploy this server?

Click the "Deploy to Workers" button on the README or run `npm create cloudflare@latest` with the specified template.

3

How do I add my own tools?

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

4

How can I test my remote MCP server?

Connect to the server from Cloudflare AI Playground (enter the SSE URL) or from a local MCP client like Claude Desktop using the `mcp-remote` proxy (configure `npx mcp-remote <SSE_URL>`).

5

Does this server require any authentication?

No, this is explicitly an auth‑less remote MCP server.

Comments

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