Building a Remote MCP Server on Cloudflare (Without Auth)

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

This template lets you deploy a remote MCP (Model Context Protocol) server on Cloudflare Workers without requiring authentication. It is for developers who want to expose MCP tools remotely.

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

Deploy using the “Deploy to Workers” button or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless from the CLI. After deployment, connect MCP clients like Cloudflare AI Playground by entering the SSE URL, or connect Claude Desktop by configuring the mcp-remote proxy with the same SSE URL in Claude Desktop’s Developer settings.

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

• Deploy a remote MCP server without authentication on Cloudflare Workers.
• Easily customizable with your own tools via this.server.tool(...).
• Connect directly to Cloudflare AI Playground as a remote MCP client.
• Connect to Claude Desktop using the mcp-remote proxy.
• Simple one-click deployment or CLI-based setup.

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

• Expose MCP tools remotely without needing user authentication.
• Integrate MCP tools into the Cloudflare AI Playground for testing.
• Use MCP tools from Claude Desktop through a remote proxy.
• Quickly prototype and deploy MCP servers on Cloudflare’s edge network.

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

How do I deploy this MCP server?

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

How do I add custom tools to the server?

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

How do I connect to Cloudflare AI Playground?

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

How do I connect Claude Desktop to this server?

Use the mcp-remote proxy (npx mcp-remote) and add the SSE URL to Claude Desktop’s settings under Developer > Edit Config, then restart Claude.

Does this server require authentication?

No, it is explicitly built to be deployed without authentication.