Building a Remote MCP Server on Cloudflare (Without Auth)

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

This example lets you deploy a remote MCP (Model Context Protocol) server on Cloudflare Workers that requires no authentication. It is aimed at developers who want a simple, publicly accessible MCP server for prototyping or connecting to local and remote MCP clients.

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

Deploy by clicking the “Deploy to Workers” button or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Customize tools by editing the init() method in src/index.ts. Connect clients by providing the deployed SSE URL (e.g., remote-mcp-server-authless.<your-account>.workers.dev/sse).

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

• Deploys a remote MCP server on Cloudflare Workers
• No authentication required for access
• Exposes tools via Server-Sent Events (SSE)
• Customizable tools defined inside src/index.ts
• Easy one‑click deploy from GitHub

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

• Quickly create a public MCP server for testing and demos
• Connect zero‑auth remote tools to Cloudflare’s AI Playground
• Use the mcp-remote proxy to connect Claude Desktop to remote tools

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

What is this project?

It is an example that lets you deploy a remote MCP server without authentication on Cloudflare Workers.

How do I deploy the server?

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

How can I add my own tools?

Edit src/index.ts and define tools inside the init() method using this.server.tool(...).

How do I connect from Cloudflare AI Playground?

Go to the Playground at https://playground.ai.cloudflare.com/ and enter your deployed MCP server’s SSE URL.

How do I connect from Claude Desktop?

Use the mcp-remote proxy (install via npm) and add a configuration entry pointing to your SSE URL (local or remote) in Claude Desktop’s developer settings.