Building a Remote MCP Server on Cloudflare (Without Auth)

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

This example deploys a remote MCP server on Cloudflare Workers without requiring authentication. It is intended for developers who need to expose MCP tools over the internet using Cloudflare's infrastructure.

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 from the command line. Customize tools by adding them inside the init() method of src/index.ts. Connect clients such as the Cloudflare AI Playground or Claude Desktop (via the mcp-remote proxy).

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

• Deploys a remote MCP server with no authentication.
• Runs on Cloudflare Workers globally.
• Add custom tools using this.server.tool(...).
• Connects directly to Cloudflare AI Playground.
• Works with Claude Desktop via mcp-remote proxy.
• Uses SSE (Server-Sent Events) transport.

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

• Deploying MCP tools accessible from any remote client.
• Quickly prototyping MCP servers with Cloudflare's free tier.
• Testing MCP tools from the Cloudflare AI Playground.
• Integrating MCP tools with local MCP clients like Claude Desktop.

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

What transport protocol does the server use?

The server uses SSE, as indicated by the /sse URL path.

Does the server require authentication?

No, this server is designed without authentication.

How do I deploy the server?

Deploy by clicking the "Deploy to Workers" button or running `npm create