Building a Remote MCP Server on Cloudflare (Without Auth)

@fergusrobertson

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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

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Overview

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

This example enables you to deploy a remote Model Context Protocol (MCP) server on Cloudflare Workers without requiring authentication. It is intended for developers who want a quick, auth‑free MCP server for experimentation or internal use.

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

Deploy it by clicking 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 inside src/index.ts using this.server.tool(...) and connect MCP clients using the deployed URL.

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

Deploy a remote MCP server on Cloudflare Workers.
No authentication required for access.
Easily customizable by adding tools in the init() method.
Ready integration with Cloudflare AI Playground.
Works with local clients via the mcp-remote proxy.

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

Quickly deploy a remote MCP server for testing or prototyping.
Connect MCP tools from Cloudflare AI Playground without auth.
Use the server with Claude Desktop through a local proxy.

Frequently asked questions

What is an MCP server and why would I deploy one on Cloudflare Workers?

An MCP server exposes tools over the Model Context Protocol. Deploying it on Cloudflare Workers allows remote access without managing your own infrastructure.

How do I customize my MCP server’s tools?

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

How do I connect this server to 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 the tools.

How do I connect this server to Claude Desktop?

Use the `npx mcp-remote` proxy and configure Claude’s settings with the deployed SSE URL (or a localhost URL for testing). Restart Claude to enable the tools.

What dependencies or runtime are required?

The server runs on Cloudflare Workers; local development requires Node.js and npm for the Cloudflare CLI. The `mcp-remote` proxy requires Node.js to run locally.

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