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Building a Remote MCP Server on Cloudflare (Without Auth)

@Jobikinobi

Repository

Basic information

Category

Developer Tools

Transports

stdio

Author

Jobikinobi

About Building a Remote MCP Server on Cloudflare

No overview available yet

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

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 server allows you to deploy a remote Model Context Protocol (MCP) server without authentication on Cloudflare Workers. It is intended for developers who want to expose MCP tools over SSE (Server-Sent Events) from a globally distributed 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 by editing src/index.ts and adding this.server.tool(...) inside the init() method. Connect to Cloudflare AI Playground or local clients like Claude Desktop via the mcp-remote proxy.

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

  • Deploy a remote MCP server without authentication
  • Custom tools defined via the init() method
  • Connect to Cloudflare AI Playground as a client
  • Connect to Claude Desktop using mcp-remote proxy
  • Uses SSE transport on Cloudflare Workers

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

  • Expose MCP tools from a global edge network without auth
  • Integrate custom tools into Cloudflare AI Playground
  • Use remote MCP tools in Claude Desktop via a local proxy
  • Rapidly prototype and deploy MCP servers on Cloudflare

Frequently asked questions

1

How do I deploy the server?

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

2

How do I add my own MCP tools?

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

3

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`).

4

How do I connect to Claude Desktop?

Install the mcp-remote proxy (`npx mcp-remote`) and add the server URL to Claude Desktop’s MCP configuration under `mcpServers`.

5

Does this server require authentication?

No, this example explicitly deploys an MCP server without authentication.

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