Building a Remote MCP Server on Cloudflare (Without Auth)

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

A template to quickly deploy a remote MCP (Model Context Protocol) server on Cloudflare Workers with no authentication required, enabling tools to be accessed over SSE.

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

Deploy by clicking the "Deploy to Workers" button or running npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Then customize tools in src/index.ts under the init() method using this.server.tool(...). Connect clients like Cloudflare AI Playground or Claude Desktop (via mcp‑remote proxy) using the deployed SSE URL.

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

• Deploy an auth‑free remote MCP server on Cloudflare Workers
• Add custom tools via this.server.tool(...) in src/index.ts
• Connect from Cloudflare AI Playground or Claude Desktop
• Uses SSE transport for remote MCP communication
• One‑click deployment or local CLI setup

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

• Exposing MCP tools over the internet without user authentication
• Rapid prototyping of MCP applications on a serverless platform
• Connecting local MCP clients to remote tools via Cloudflare’s edge network

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

How do I deploy this MCP server?

Either click the "Deploy to Workers" button or run npm create cloudflare@latest with the provided template. This yields a URL like remote-mcp-server-authless.<your-account>.workers.dev/sse.

How can I add my own tools?

Inside src/index.ts, define each tool within the init() method using this.server.tool(...).

Which clients can I connect to the server?

You can connect from Cloudflare AI Playground (remote client) or from local MCP clients like Claude Desktop using the mcp-remote proxy tool.

Does this server require authentication?

No, this template is explicitly built without authentication.

What transport does the server use?

It uses SSE (Server‑Sent Events) as the transport protocol for remote MCP communication.