Building a Remote MCP Server on Cloudflare (Without Auth)

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

This example allows you to deploy a remote MCP server that doesn’t require authentication on Cloudflare Workers. It is a template for developers who want to quickly set up a publicly accessible MCP server using Cloudflare’s infrastructure.

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

Deploy with 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 src/index.ts and using this.server.tool(...). Connect clients like Cloudflare AI Playground (by entering the SSE URL) or Claude Desktop (via the mcp-remote proxy).

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

• Deploy a remote MCP server without authentication.
• Runs on Cloudflare Workers for global availability.
• Easily add custom tools via this.server.tool().
• Connect to Cloudflare AI Playground as a remote client.
• Connect to local MCP clients using the mcp-remote proxy.
• Quick deployment via a one-click button or CLI template.

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

• Expose MCP tools publicly without requiring authentication.
• Prototype and test MCP server tools with the Cloudflare AI Playground.
• Integrate a remote MCP server with Claude Desktop through a local proxy.
• Build a shareable MCP server for educational or demonstration purposes.

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

What does this MCP server do?

It provides a template to deploy a remote MCP server on Cloudflare Workers that does not require authentication, allowing you to serve MCP tools over SSE.

How do I deploy it?

Use the “Deploy to Workers” button or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. The server will be available at a URL like remote-mcp-server-authless.<your-account>.workers.dev/sse.

How do I add custom tools?

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

How do I connect to Claude Desktop?

Install the mcp-remote proxy and add an entry to your Claude Desktop configuration pointing to your SSE URL (local or remote), then restart Claude.

Does this MCP server require authentication?

No, this example is built without authentication. It is intentionally authless.