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 requires no authentication. It provides a starting point for creating custom MCP tools accessible via an SSE endpoint.

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 with the provided template. After deployment, connect from Cloudflare AI Playground or local clients like Claude Desktop using the mcp-remote proxy.

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

• One-click deploy to Cloudflare Workers
• No authentication required for the remote server
• Customizable tools via this.server.tool() in src/index.ts
• Connects to Cloudflare AI Playground as a remote MCP client
• Compatible with Claude Desktop via mcp-remote proxy

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

• Deploying a remote MCP server for prototyping or internal tools
• Connecting custom MCP tools directly from Cloudflare AI Playground
• Attaching remote MCP tools to Claude Desktop without local setup
• Building and testing MCP server toolchains without authentication overhead

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

How do I deploy this MCP 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 customize the tools on this server?

Define each tool inside the init() method of src/index.ts using this.server.tool(...).

How do I connect to this server from Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/, enter your deployed server URL ending with /sse, and you can use the tools directly.

How do I connect to this server from Claude Desktop?

Use the mcp-remote proxy (npx mcp-remote) and add the server URL to your Claude Desktop configuration under Settings > Developer > Edit Config.

What runtime or dependencies are required?

The server runs on Cloudflare Workers. Local development requires Node.js and npm. No additional authentication libraries or services are needed.