Building a Remote MCP Server on Cloudflare (Without Auth)

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

This project lets you deploy a remote MCP (Model Context Protocol) server on Cloudflare Workers without requiring authentication. It is for developers who want a publicly accessible MCP server that can be used from remote MCP clients like Cloudflare AI Playground or Claude Desktop.

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

Deploy by clicking the "Deploy to Workers" button or using npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. After deployment, connect clients (e.g., Cloudflare AI Playground, Claude Desktop via mcp-remote proxy) using the SSE endpoint URL.

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

• Deployable with one-click or CLI scaffolding
• No authentication required for access
• Customizable with your own tools via this.server.tool()
• Works with Cloudflare AI Playground as a remote client
• Connectable from local MCP clients (e.g., Claude Desktop) using mcp-remote

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

• Expose MCP tools publicly without user login
• Test MCP tools from Cloudflare's AI Playground
• Use remote MCP tools inside Claude Desktop via a proxy
• Quickly scaffold and deploy a custom MCP server on Cloudflare

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

How do I deploy this MCP server?

Click the "Deploy to Workers" button in the README 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 Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/, enter your deployed MCP server SSE URL, and use the tools directly.

How do I connect from Claude Desktop?

Use the mcp-remote npm proxy. Add configuration to your Claude Desktop settings pointing npx mcp-remote at your deployed SSE URL.

Does this server require authentication?

No, this MCP server is designed to work without authentication.