Building a Remote MCP Server on Cloudflare (Without Auth)

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

This example allows you to deploy a remote MCP server that doesn't require authentication on Cloudflare Workers. It is intended for developers who want to quickly set up a remote MCP server with no auth, hosted on Cloudflare’s global infrastructure.

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

Deploy using the "Deploy to Workers" button on the README or by running npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Customize tools inside the init() method of src/index.ts using this.server.tool(...). Connect to Cloudflare AI Playground by entering your deployed SSE URL, or connect Claude Desktop via the mcp-remote proxy with npx mcp-remote.

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

• Deploy remote MCP server without authentication
• One‑click deploy via Cloudflare Workers button
• Add custom tools with this.server.tool()
• Connect directly to Cloudflare AI Playground
• Access from Claude Desktop using mcp‑remote proxy
• SSE endpoint at /sse

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

• Quickly deploy MCP tools accessible from remote clients without auth
• Integrate MCP server with Cloudflare AI Playground
• Use MCP tools from Claude Desktop via a local proxy
• Rapidly prototype MCP servers on Cloudflare Workers

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

How do I deploy the server?

Use the "Deploy to Workers" button on the README or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless.

How do I add custom tools?

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

How do I connect to Cloudflare AI Playground?

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

How do I connect Claude Desktop?

Use the mcp-remote proxy by adding the configuration to Claude Desktop’s settings under mcpServers, specifying command: "npx" and args: ["mcp-remote", "<your-sse-url>"].

Does the server require authentication?

No, this example deploys a remote MCP server without authentication.