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 does not require authentication on Cloudflare Workers. It provides a template for building custom tools and connecting to remote MCP clients.

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

Deploy using the "Deploy to Workers" button or the CLI command npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Add tools inside the init() method of src/index.ts using this.server.tool(...). Connect clients by entering the deployed URL in Cloudflare AI Playground or via the mcp-remote proxy in Claude Desktop.

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

• Deploy a remote MCP server without authentication.
• Hosted on Cloudflare Workers.
• Customizable tools via this.server.tool(...).
• Connect to Cloudflare AI Playground as a remote client.
• Connect to Claude Desktop using mcp-remote proxy.

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

• Create a public remote MCP server for prototyping without auth.
• Integrate custom AI tools accessible from Cloudflare AI Playground.
• Enable Claude Desktop to use tools hosted on Cloudflare Workers.

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

How do I deploy this MCP server?

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

How do I customize the tools on the server?

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/, enter your deployed MCP server URL (e.g., remote-mcp-server-authless.<your-account>.workers.dev/sse), and use the tools directly.

How do I connect Claude Desktop to this remote server?

Use the mcp-remote proxy and configure Claude Desktop with the server URL in the MCP settings.

Does this server require authentication?

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