Building a Remote MCP Server on Cloudflare (Without Auth)

Name: Building a Remote MCP Server on Cloudflare (Without Auth)
Author: trigidigital

@trigidigital

Repository

About Building a Remote MCP Server on Cloudflare (Without Auth)

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

Basic information

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

Tools

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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)?

A template for deploying a remote Model Context Protocol (MCP) server on Cloudflare Workers without requiring authentication. It exposes tools via an SSE endpoint and is intended for developers who want to experiment with remote MCP servers accessible from Cloudflare’s AI Playground or local MCP clients.

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

Deploy by clicking the “Deploy to Workers” button or by running npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Customize tools inside src/index.ts using this.server.tool(...). Connect from the Cloudflare AI Playground by entering your deployed SSE URL, or from Claude Desktop using the mcp-remote proxy with an adapted claude_desktop_config.json.

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

One‑click deploy to Cloudflare Workers
No authentication required for the MCP server
Easy tool customization via this.server.tool()
Pre‑configured SSE endpoint (/sse)
Works with Cloudflare AI Playground as a remote client
Compatible with local MCP clients using mcp-remote proxy

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

Prototyping custom MCP tools without auth overhead
Connecting Cloudflare AI Playground to user‑defined tools
Running a remote MCP server for personal experimentation
Testing MCP integrations before adding authentication

FAQ from Building a Remote MCP Server on Cloudflare (Without Auth)

How do I deploy the MCP server?

Click the “Deploy to Workers” button or use the CLI command npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless.

How do I add custom tools?

Add tools inside the init() method of src/index.ts using this.server.tool(...). Each tool is defined following the MCP Server SDK.

How do I connect the 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 directly in the playground.

How do I connect the server to Claude Desktop?

Install mcp-remote (npx mcp-remote ...) and update Claude Desktop’s configuration (claude_desktop_config.json) to use the mcp-remote command with your SSE URL as an argument.