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Building a Remote MCP Server on Cloudflare (Without Auth)

@zw-byte

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Basic information

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Developer Tools

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Author

zw-byte

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

No standard config provided

This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.

Repository

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.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Building a Remote MCP Server on Cloudflare (Without Auth)?

This example template lets you deploy a remote MCP server on Cloudflare Workers that does not require authentication. It is intended for developers who want to quickly set up a remote MCP server and connect it to clients such as the Cloudflare AI Playground or Claude Desktop.

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

Use the "Deploy to Workers" button or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless to create the project locally. Customize tools inside the init() method of src/index.ts using this.server.tool(...). Connect to it from the Cloudflare AI Playground by entering the deployed SSE URL, or from Claude Desktop using the mcp-remote proxy with an npx mcp-remote command.

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

  • Deploys as a Cloudflare Worker with no auth required
  • Uses SSE transport for remote MCP communication
  • Custom tools defined via this.server.tool(...) in TypeScript
  • One-click deploy via the Cloudflare Workers button
  • Compatible with the Cloudflare AI Playground and Claude Desktop

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

  • Rapidly prototyping remote MCP tools on Cloudflare’s edge network
  • Connecting a remote MCP server to the Cloudflare AI Playground for interactive testing
  • Using Claude Desktop with a remote MCP server via the mcp-remote proxy
  • Learning how to build and deploy a remote MCP server without authentication

Frequently asked questions

1

What does this template do?

It provides a starter MCP server that runs on Cloudflare Workers and communicates over SSE, with no authentication layer.

2

How do I deploy the MCP server?

Click the "Deploy to Workers" button in the README, or run the `npm create cloudflare` command with the provided template URL.

3

How can I add my own tools to the server?

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

4

How do I connect to the server from the Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/, enter your deployed MCP server URL (e.g., `remote-mcp-server-authless.<account>.workers.dev/sse`), and start using your tools.

5

How do I connect Claude Desktop to this remote MCP server?

Use the `mcp-remote` proxy by adding an entry to your Claude Desktop configuration that runs `npx mcp-remote <sse-url>`.

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