Building a Remote MCP Server on Cloudflare (Without Auth)

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

A template for deploying a remote MCP server on Cloudflare Workers that does not require authentication. It provides an SSE endpoint for exposing MCP tools and is intended for developers who want to run a remote MCP server with minimal setup.

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

Deploy by clicking the "Deploy to Workers" button in the README, or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless locally. Customize tools inside the init() method of src/index.ts using this.server.tool(...). Connect from Cloudflare AI Playground by entering the deployed URL, or from Claude Desktop using the mcp-remote proxy with the configuration shown in the README.

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

• Deploys to Cloudflare Workers with a single click
• No authentication required for the MCP server
• Supports custom MCP tools via the init() method
• Exposes tools over an SSE endpoint
• Connectable from Cloudflare AI Playground as a remote MCP client
• Connectable from Claude Desktop via the mcp-remote proxy

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

• Quickly deploying a personal remote MCP server for testing
• Exposing MCP tools to Cloudflare AI Playground without auth
• Connecting MCP tools to Claude Desktop from a remote server
• Prototyping and iterating on MCP tool implementations

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

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 in the command line.

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 from Cloudflare AI Playground?

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

How do I connect from Claude Desktop?

Install the mcp-remote proxy, then add a configuration in Claude Desktop's developer settings using the provided JSON with the mcp-remote command and your server URL.

Does the server require authentication?

No, this example intentionally deploys a remote MCP server without authentication.