Authless

You can run a remote MCP server on Cloudflare Workers that doesn’t require authentication, making it easy to deploy and access your MCP-enabled tools from various clients. This guide shows how to deploy, connect from common MCP clients, and customize the server with your own tools.

How to use

Once your remote MCP server is deployed, you can connect to it from any MCP client that supports remote servers. Use the server URL to point your client to the MCP instance and start using the tools you expose in your server.

How to install

Prerequisites you need before starting:

Steps to deploy a remote MCP server on Cloudflare Workers using the provided template.

npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless

Additional sections

Customize your MCP server by defining each tool inside the init() method of src/index.ts using this.server.tool(...). This is how you expose new capabilities to clients.

Connect to the Cloudflare AI Playground to experiment with your MCP server from a remote MCP client. Use your deployed MCP server URL in the Playground to test the tools you expose.

You can also connect from local MCP clients by using a remote proxy. For Claude Desktop, configure the MCP server connection in Settings > Developer > Edit Config, replacing the URL with your remote server sse endpoint.