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Building a Remote MCP Server on Cloudflare (Without Auth)

@sxjeru

Basic information

Category

Developer Tools

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stdio

Author

sxjeru

About Building a Remote MCP Server on Cloudflare

No overview available yet

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

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Overview

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

This example deploys a remote MCP (Model Context Protocol) server on Cloudflare Workers without requiring authentication. It is intended for developers who want a quick, unauthenticated remote MCP server for testing or tool prototyping.

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

Deploy via the provided "Deploy to Workers" button or using the CLI command npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Customize tools by editing src/index.ts inside the init() method with this.server.tool(...). Connect from Cloudflare AI Playground by entering the deployed URL, or from local clients like Claude Desktop via the mcp-remote proxy configured in the VS Code settings.

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

  • Deploy to Cloudflare Workers with one click or CLI.
  • No authentication required for the MCP server.
  • Add custom tools by modifying the server code.
  • Connect from remote MCP clients (e.g., AI Playground, Claude Desktop).
  • Uses Server‑Sent Events (SSE) transport.

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

  • Rapidly prototyping MCP tools without setting up authentication.
  • Testing MCP integration from Cloudflare’s AI Playground.
  • Connecting a remote MCP server to a local client like Claude Desktop.
  • Learning how to deploy and customize an MCP server on Cloudflare Workers.

Frequently asked questions

1

How do I deploy this server?

Use 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 to the server?

Edit the `src/index.ts` file and define each tool inside the `init()` method using `this.server.tool(...)`.

3

How do I connect from 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 the tools.

4

How do I connect from Claude Desktop?

Use the `mcp-remote` package as a proxy. In Claude Desktop’s developer settings, add an MCP server with command `npx mcp-remote <your-server-url>`.

5

Does this server require authentication?

No, this example deploys a remote MCP server that does not require authentication, as indicated by the "Without Auth" in its name.

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