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Building a Remote MCP Server on Cloudflare (Without Auth)

@aviadkim

Repository

Basic information

Category

Developer Tools

Transports

stdio

Author

aviadkim

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 example allows developers to deploy a remote MCP (Model Context Protocol) server on Cloudflare Workers without requiring authentication. It is a template for quickly creating an MCP server that exposes tools over SSE.

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

Deploy by clicking the "Deploy to Workers" button or by running npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless locally. Then customize tools in src/index.ts using this.server.tool(...). Connect from the Cloudflare AI Playground by entering the server URL, or from Claude Desktop using the mcp-remote proxy.

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

  • Deploy a remote MCP server without authentication.
  • Fully customizable MCP tools in a single file.
  • One-click deploy to Cloudflare Workers.
  • Connect directly from Cloudflare AI Playground.
  • Compatible with Claude Desktop via mcp-remote proxy.

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

  • Deploying a remote MCP server for AI agent integrations.
  • Rapid prototyping of MCP tools without auth setup.
  • Connecting custom tools to Cloudflare AI Playground.
  • Using remote MCP tools in Claude Desktop.

Frequently asked questions

1

What is this MCP server?

It is a remote MCP server deployed on Cloudflare Workers, designed to run without authentication.

2

How do I deploy it?

Use the "Deploy to Workers" button or run the provided `npm create cloudflare` command.

3

How do I connect to Cloudflare AI Playground?

Enter your deployed server URL (e.g., `remote-mcp-server-authless.<your-account>.workers.dev/sse`) in the playground's MCP connection settings.

4

How do I use it with Claude Desktop?

Configure Claude Desktop to use the server via the `mcp-remote` proxy, specifying the server's SSE URL in the `mcpServers` configuration.

5

Does it require authentication?

No, this server is intentionally built without authentication.

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