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 Model Context Protocol (MCP) server on Cloudflare Workers without requiring authentication. It exposes tools via an SSE endpoint and is intended for developers who want to experiment with remote MCP servers accessible from Cloudflare’s AI Playground or local MCP clients.

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

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

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

• One‑click deploy to Cloudflare Workers
• No authentication required for the MCP server
• Easy tool customization via this.server.tool()
• Pre‑configured SSE endpoint (/sse)
• Works with Cloudflare AI Playground as a remote client
• Compatible with local MCP clients using mcp-remote proxy

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

• Prototyping custom MCP tools without auth overhead
• Connecting Cloudflare AI Playground to user‑defined tools
• Running a remote MCP server for personal experimentation
• Testing MCP integrations before adding authentication