Building a Remote MCP Server on Cloudflare (Without Auth)

@IlanKalendarov

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 server lets you deploy a remote MCP (Model Context Protocol) server on Cloudflare Workers without requiring authentication. It is intended for developers who need a publicly accessible MCP endpoint for AI tools and model interactions, and it can be customized with your own tool definitions.

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

Deploy via the Cloudflare Workers button or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Customize tools in src/index.ts inside the init() method using this.server.tool(...). Connect to the server from the Cloudflare AI Playground by entering its SSE URL, or from Claude Desktop by configuring the mcp-remote proxy in Claude’s settings.

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

No authentication required for public access
Deploy on Cloudflare Workers with a single click
Uses SSE (Server-Sent Events) transport
Customizable MCP tools via code
Connects to Cloudflare AI Playground and Claude Desktop

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

Quickly prototype and test MCP tools without auth overhead
Serve MCP tools to remote AI clients like Cloudflare AI Playground
Integrate MCP capabilities into Claude Desktop using the mcp-remote proxy
Deploy a demonstration or internal MCP server for your team

Frequently asked questions

How do I deploy this MCP server?

Click the “Deploy to Workers” button in the README or run `npm create cloudflare` with the provided template. You must have a Cloudflare account and optionally npm installed.

How do I add custom tools?

Inside `src/index.ts`, use `this.server.tool(name, schema, handler)` in the `init()` method. The server will serve those tools over SSE.

How do I connect from Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/, enter your deployed SSE URL (e.g., `remote-mcp-server-authless.<your-account>.workers.dev/sse`), and start using your tools.

How do I connect from Claude Desktop?

Use the `mcp-remote` npm proxy. In Claude Desktop’s settings, add an `mcpServers` entry with `command: "npx"` and `args: ["mcp-remote", "http://localhost:8787/sse"]` (or your remote URL). Restart Claude to see the tools.

What runtime or dependencies are needed?

A Cloudflare Workers account and Node.js/npm for local development. The server itself runs on Cloudflare’s edge runtime; no other dependencies are listed in the README.

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