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 on Cloudflare Workers without authentication, exposing tools over SSE. It is intended for developers who want a quick, unauthenticated remote MCP endpoint.

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

Deploy using the “Deploy to Workers” button or the CLI command npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Customize tools inside the init() method of src/index.ts. Connect from the Cloudflare AI Playground (enter your deployed SSE URL) or from Claude Desktop via the mcp-remote proxy.

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

• Deploy a remote MCP server on Cloudflare Workers
• No authentication required
• Add custom tools via this.server.tool(...)
• Connect directly from Cloudflare AI Playground
• Connect from Claude Desktop using mcp-remote proxy

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

• Expose MCP tools without user authentication
• Integrate with Cloudflare AI Playground as a remote MCP client
• Connect remote MCP tools to Claude Desktop for local use
• Rapid prototyping and testing of MCP servers on Workers

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 your terminal.

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 from Claude Desktop?

Use the mcp-remote proxy (npx mcp-remote) and update your Claude Desktop config with the command and your deployed SSE URL.

Does the server require authentication?

No, this server is designed to run without authentication.