Building a Remote MCP Server on Cloudflare (Without Auth)

@MikeC-A6

Repository

Basic information

About Building a Remote MCP Server on Cloudflare

No overview available yet

#remote-mcp-server #cloudflare #mcp-server

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 template lets you deploy a remote MCP server without authentication on Cloudflare Workers, using SSE transport. It is for developers who want to expose MCP tools to AI clients like Cloudflare AI Playground or Claude Desktop.

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

Deploy with one click using the “Deploy to Workers” button or by running npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Customize tools by editing src/index.ts inside the init() method with this.server.tool(...). Connect clients using the deployed URL, such as remote-mcp-server-authless.<your-account>.workers.dev/sse.

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

Deploy to Cloudflare Workers with one click
No authentication required for client connections
Uses SSE (Server-Sent Events) transport
Customizable tools via TypeScript code
Connects to Cloudflare AI Playground natively
Can be used with local MCP clients via mcp-remote proxy

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

Exposing custom MCP tools to the Cloudflare AI Playground
Connecting a remote MCP server to Claude Desktop through a proxy
Building and testing MCP tools without setting up local authentication
Rapid prototyping of MCP servers using Cloudflare’s global network

Frequently asked questions

What is the URL format of the deployed server?

The server is available at `remote-mcp-server-authless.<your-account>.workers.dev/sse` after deployment.

How do I add custom tools to the MCP server?

Add each tool inside the `init()` method of `src/index.ts` using `this.server.tool(...)`. See the Cloudflare MCP tools documentation for details.

How can I connect to this server from the Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/ and enter your deployed MCP server URL (`.../sse`). The tools become available directly in the playground.

How do I connect Claude Desktop to this remote MCP server?

Use the `mcp-remote` proxy. Add a configuration entry to Claude Desktop’s MCP settings with `command: "npx"` and arguments including `"mcp-remote"` and the server URL (e.g., `http://localhost:8787/sse`).

What are the runtime requirements to develop locally?

You need Node.js, npm, and a Cloudflare account. Run `npm create cloudflare@latest ...` to scaffold the project locally.

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