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Building a Remote MCP Server on Cloudflare (Without Auth)

@aoprisan

Repository

Basic information

Category

Developer Tools

Transports

stdio

Author

aoprisan

About Building a Remote MCP Server on Cloudflare

No overview available yet

#remote-mcp#cloudflare#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 lets you deploy a remote MCP server on Cloudflare Workers that requires no authentication. It is designed for developers who want a lightweight, publicly accessible MCP endpoint for AI tool integration.

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

Deploy directly via the "Deploy to Workers" button or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless from the command line. Customize tools by editing the init() method in src/index.ts. Connect clients by pointing them to the SSE 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 access
  • Exposes tools over SSE
  • Fully customizable tool definitions in TypeScript
  • Connects to Cloudflare AI Playground directly
  • Works with local MCP clients via mcp‑remote proxy

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

  • Hosting a public MCP server for AI assistants
  • Testing MCP tools from the Cloudflare AI Playground
  • Integrating remote tools into Claude Desktop via proxy
  • Rapid prototyping of MCP‑based services without auth overhead

Frequently asked questions

1

How do I deploy the server?

Use the "Deploy to Workers" button or run the npm create command. This creates a worker at `remote-mcp-server-authless.<your-account>.workers.dev/sse`.

2

How do I add custom tools?

Define each tool inside the `init()` method of `src/index.ts` using `this.server.tool(...)`. See the Cloudflare MCP tools documentation for details.

3

How do I connect to Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/, enter your deployed SSE URL, and use the tools in the playground.

4

How do I connect Claude Desktop to this server?

Install the `mcp-remote` npm package, then add a configuration entry in Claude Desktop pointing `npx mcp-remote` to your server’s SSE URL. Restart Claude to see the tools.

Comments

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