Building a Remote MCP Server on Cloudflare (Without Auth)

@roerohan

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

No overview available yet

#remote-mcp-server #cloudflare #mcp-server

Config

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

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

Tools

No tools detected

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)?

A template to deploy a remote Model Context Protocol (MCP) server on Cloudflare Workers without authentication. It enables building and exposing MCP tools via Cloudflare's edge network.

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. Customize tools in the init() method of src/index.ts by calling this.server.tool(...). Connect remote clients like Cloudflare AI Playground or Claude Desktop (via the mcp-remote proxy) to the SSE endpoint.

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

Deploy without authentication on Cloudflare Workers.
One-click deployment or CLI setup.
Add custom MCP tools with TypeScript.
Connect to Cloudflare AI Playground remotely.
Connect to Claude Desktop via mcp-remote proxy.
SSE-based remote MCP server endpoint.

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

Deploy an MCP server accessible without authentication for rapid prototyping.
Use MCP tools directly from Cloudflare AI Playground.
Connect local MCP clients like Claude Desktop to remote tools via proxy.
Build and test custom MCP tools on Cloudflare's edge network.

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

How do I deploy the 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 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 to Claude Desktop?

Use the mcp-remote proxy. Configure Claude Desktop's MCP settings with "command": "npx", "args": ["mcp-remote", "<your-sse-url>"].

Frequently asked questions

How do I deploy the 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 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 to Claude Desktop?

Use the `mcp-remote` proxy. Configure Claude Desktop's MCP settings with `"command": "npx"`, `"args": ["mcp-remote", "<your-sse-url>"]`.

Comments

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