Building a Remote MCP Server on Cloudflare (Without Auth)

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

An example that lets you deploy a remote MCP server without authentication on Cloudflare Workers. It is intended for developers who want to create and host MCP tools accessible from remote clients.

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. Customize tools by editing the init() method in src/index.ts using this.server.tool(...). Connect to it from the Cloudflare AI Playground or from local clients like Claude Desktop.

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

• Deploy to Cloudflare Workers with one click
• No authentication required for the MCP server
• Customizable tools defined in src/index.ts
• Connects to Cloudflare AI Playground as a remote client
• Works with local MCP clients via mcp-remote proxy

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

• Hosting MCP tools without managing authentication
• Quickly prototyping and sharing MCP tools via a public URL
• Integrating MCP tools with Cloudflare AI Playground
• Connecting remote MCP servers to Claude Desktop

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 to create it locally.

How do I add my own tools?

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

How do I connect to the Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/, enter your deployed MCP server URL (e.g., remote-mcp-server-authless.<your-account>.workers.dev/sse), and use your tools directly.

How do I connect Claude Desktop to this server?

Install the mcp-remote proxy (npm install -g mcp-remote), then update your Claude Desktop configuration with a JSON object that uses npx mcp-remote pointing to your SSE endpoint.

Does this server require authentication?

No, this server is built without authentication as stated in the title and demonstrated in the deploy template.