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Building a Remote MCP Server on Cloudflare (Without Auth)

@brooksy4503

Repository

Basic information

Category

Developer Tools

Transports

stdio

Author

brooksy4503

About Building a Remote MCP Server on Cloudflare

No overview available yet

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)?

This example lets you deploy a remote MCP (Model Context Protocol) server that requires no authentication on Cloudflare Workers. It is intended for developers who want to expose MCP tools over the internet without auth overhead.

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. Customize tools inside the init() method of src/index.ts using this.server.tool(...). Connect MCP clients by providing the deployed URL (e.g., remote-mcp-server-authless.<your-account>.workers.dev/sse).

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

  • Deploy a remote MCP server on Cloudflare Workers.
  • No authentication required for clients.
  • Customizable tools defined in src/index.ts.
  • Connectable from Cloudflare AI Playground.
  • Connectable from Claude Desktop via mcp-remote proxy.
  • Quick deployment with one click or CLI command.

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

  • Exposing MCP tools to remote clients without managing auth.
  • Prototyping and testing MCP integrations quickly.
  • Using MCP tools from Cloudflare AI Playground.
  • Connecting remote MCP tools to Claude Desktop.

Frequently asked questions

1

How do I deploy this MCP server?

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

2

How do I add custom tools?

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

3

How do I connect to the 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.

4

How do I connect Claude Desktop to this server?

Use the `mcp-remote` proxy. In Claude Desktop's config file, set the command to `npx` with args `["mcp-remote", "<your-server-url>/sse"]`.

5

What is the deployed server URL format?

The URL follows the pattern: `remote-mcp-server-authless.<your-account>.workers.dev/sse`.

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