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 for developers who want to expose MCP tools over SSE without a login barrier.

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 locally. Add custom tools inside src/index.ts using this.server.tool(...) in the init() method. Connect clients like Cloudflare AI Playground or Claude Desktop (via mcp-remote proxy) using the SSE endpoint URL.

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

• Deploy a remote MCP server with zero authentication.
• Add custom tools by defining them in init().
• Connect from Cloudflare AI Playground as a remote client.
• Use with Claude Desktop via the mcp-remote proxy.
• Fully serverless on Cloudflare Workers.

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

• Expose MCP tools to any remote client without user login.
• Prototype or demo MCP tools publicly.
• Integrate MCP capabilities into Cloudflare AI Playground workflows.
• Connect desktop MCP clients (e.g., Claude) to cloud-hosted tools.