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Building a Remote MCP Server on Cloudflare (Without Auth)

@elizabethsiegle

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elizabethsiegle

About Building a Remote MCP Server on Cloudflare

No overview available yet

#mcp#cloudflare-workers-ai#modelcontextprotocol

Building a Remote MCP Server on Cloudflare config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "calculator": {
      "command": "npx",
      "args": [
        "mcp-remote",
        "http://localhost:8787/sse"
      ]
    }
  }
}

Building a Remote MCP Server on Cloudflare tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

Fetch the live tool list by running this server in a temporary sandbox using the button above.

Overview

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

Building a Remote MCP Server on Cloudflare (Without Auth) is a template for deploying a remote MCP server on Cloudflare Workers that requires no authentication and returns GIFs based on input queries. It targets developers who want a quick, unauthenticated remote MCP server integrated with Cloudflare's infrastructure.

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

Deploy using the "Deploy to Workers" button or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless on the command line. Customize tools inside the init() method of src/index.ts via this.server.tool(...). Connect from the Cloudflare AI Playground or from local MCP clients (e.g., Claude Desktop) using the mcp-remote proxy.

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

  • Deploy a remote MCP server to Cloudflare Workers
  • No authentication required for the MCP server
  • Returns GIFs based on input queries
  • Easily customizable with your own tools
  • Connects to Cloudflare AI Playground as a remote MCP client
  • Compatible with local MCP clients via mcp-remote proxy

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

  • Quickly deploy a no-auth remote MCP server on Cloudflare Workers
  • Integrate MCP tools with the Cloudflare AI Playground
  • Connect a remote MCP server to Claude Desktop for tool use
  • Build and test custom MCP tools without managing authentication

Frequently asked questions

1

How do I deploy the server?

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

2

Where is the server URL after deployment?

The server deploys to a URL like `remote-mcp-server-authless.<your-account>.workers.dev/sse`.

3

How do I add or customize tools?

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

4

How do I connect from Claude Desktop?

Use the `mcp-remote` proxy. Update your Claude Desktop config to point to the server's SSE endpoint via `npx mcp-remote <server-url>/sse`.

5

Does this require any authentication?

No, this server is intentionally built without authentication for easy testing and prototyping.

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