Building a Remote MCP Server on Cloudflare (Without Auth)

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

This example deploys a remote MCP server on Cloudflare Workers without requiring authentication. It is intended for developers who want a quick, public MCP server endpoint for tools accessible via server-sent events (SSE).

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

Deploy via the “Deploy to Workers” button or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Customize tools inside the init() method of src/index.ts using this.server.tool(...). Connect to Cloudflare AI Playground by entering the deployed SSE URL, or connect to Claude Desktop using the mcp-remote proxy with the SSE URL in the claude_desktop_config.json.

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

• Deploy a remote MCP server on Cloudflare Workers.
• No authentication required for the server.
• Exposes an SSE endpoint at /sse.
• Supports custom tools defined in src/index.ts.
• Works with Cloudflare AI Playground and Claude Desktop.

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

• Quickly prototyping remote MCP tools for AI clients.
• Connecting Cloudflare AI Playground to custom MCP tools.
• Using a remote MCP server with local Claude Desktop via an SSE proxy.
• Demo or testing environments where authentication is not needed.