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Building a Remote MCP Server on Cloudflare (Without Auth)

@daver987

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About Building a Remote MCP Server on Cloudflare (Without Auth)

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#remote-mcp#cloudflare#server

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Overview

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

This example deploys a remote MCP server on Cloudflare Workers that requires no authentication, using SSE transport. It is intended for developers who want a quick, auth‑free way to expose MCP tools over the internet.

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

Deploy via the “Deploy to Workers” button or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. After deployment, the server is available at a URL like remote-mcp-server-authless.<your-account>.workers.dev/sse. Customize tools inside src/index.ts using this.server.tool(...).

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

  • Deployed on Cloudflare Workers – no server management
  • No authentication required for this example
  • Uses SSE (Server‑Sent Events) transport
  • Customizable with your own MCP tools
  • One‑click deploy via Cloudflare dashboard

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

  • Expose MCP tools to remote clients without auth setup
  • Quick prototyping or internal tooling
  • Connect to Cloudflare AI Playground for testing
  • Connect to Claude Desktop via the mcp-remote proxy

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

How do I deploy this server?

Use the “Deploy to Workers” button 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 can I connect to Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/, enter your deployed MCP server URL (ending in /sse), and start using the tools.

Can I use this server with Claude Desktop?

Yes – use the mcp-remote proxy. Configure Claude Desktop’s MCP settings with npx mcp-remote <your-sse-url>.

What transport does this server use?

It uses SSE (Server‑Sent Events) over HTTPS. The client connects to the /sse endpoint.

Frequently asked questions

How do I deploy this server?

Use the “Deploy to Workers” button 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 can I connect to Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/, enter your deployed MCP server URL (ending in `/sse`), and start using the tools.

Can I use this server with Claude Desktop?

Yes – use the `mcp-remote` proxy. Configure Claude Desktop’s MCP settings with `npx mcp-remote <your-sse-url>`.

What transport does this server use?

It uses SSE (Server‑Sent Events) over HTTPS. The client connects to the `/sse` endpoint.

Comments

Basic information

Category

Developer Tools

Transports

stdio

Author

daver987

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