Building a Remote MCP Server on Cloudflare (Without Auth)

@nbbaier

Repository

Basic information

About Building a Remote MCP Server on Cloudflare

No overview available yet

Building a Remote MCP Server on Cloudflare config

No standard config provided

This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.

Repository

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.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Building a Remote MCP Server on Cloudflare (Without Auth)?

This is a template for deploying a remote Model Context Protocol (MCP) server on Cloudflare Workers that requires no authentication. It is intended for developers who want to expose MCP tools over SSE without user login.

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

Deploy with one click using the "Deploy to Workers" button, or via the command npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. After deployment, customize tools in src/index.ts using this.server.tool(...). Connect remote clients by pointing them to the generated SSE endpoint.

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

Deployable with one click via Cloudflare Workers
No authentication required for remote access
Supports custom tools defined in TypeScript
Uses SSE transport for real‑time communication
Works with Cloudflare AI Playground and Claude Desktop

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

Expose a calculator tool to Claude Desktop via remote proxy
Provide AI tools accessible from the Cloudflare AI Playground
Quickly prototype an MCP server without setting up authentication

Frequently asked questions

What exactly does this server do?

It is a remote MCP server that runs on Cloudflare Workers, listens for SSE connections, and exposes tools you define. It does not require any authentication.

How do I deploy it?

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`. After deployment, your server is live at a URL like `remote-mcp-server-authless.<your-account>.workers.dev/sse`.

How do I connect to Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/, enter your deployed SSE URL, and start using the tools directly.

How do I connect Claude Desktop to this server?

Install the `mcp-remote` proxy via npm, then add an entry to Claude Desktop’s MCP config pointing to your SSE endpoint (e.g., `http://localhost:8787/sse` or the remote URL).

What runtime or dependencies are needed?

You need a Cloudflare Workers account and Node.js/npm to run the local creation command. No database or external service is required.

Comments

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