Building a Remote MCP Server on Cloudflare (Without Auth)

@piyushgithub15

About Building a Remote MCP Server on Cloudflare (Without Auth)

No overview available yet

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "calculator": {
      "command": "npx",
      "args": [
        "mcp-remote",
        "http://localhost:8787/sse"
      ]
    }
  }
}

Tools

No tools detected

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)?

It is an example that deploys a remote MCP server without authentication on Cloudflare Workers. It is intended for developers who want to create MCP endpoints for AI agents and tools.

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

Deploy via the "Deploy to Workers" button or by running npm create cloudflare@latest my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Customize tools inside the init() method of src/index.ts using this.server.tool(...). Connect from Cloudflare AI Playground by entering the deploy URL, or from Claude Desktop using the mcp-remote proxy.

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

Deploy remote MCP server on Cloudflare Workers
No authentication required
Customize tools in src/index.ts
Connect from Cloudflare AI Playground
Connect from Claude Desktop via mcp-remote proxy

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

Build remote MCP endpoints for AI agents
Integrate custom tools with Cloudflare Workers
Connect MCP server to Claude Desktop or AI Playground

FAQ from Building a Remote MCP Server on Cloudflare (Without Auth)

Do I need authentication?

No, this example deploys a remote MCP server that does not require authentication.

How do I deploy the server?

Use the "Deploy to Workers" button or run npm create cloudflare with the specified template.

How do I add my own tools?

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

How can I test the server remotely?

Connect from Cloudflare AI Playground by entering your deploy URL, or use the mcp-remote proxy to connect from Claude Desktop.

What protocol does the server use?

The server uses SSE (Server-Sent Events), as indicated by the /sse endpoint in the deploy URL.

Frequently asked questions

Do I need authentication?

No, this example deploys a remote MCP server that does not require authentication.

How do I deploy the server?

Use the "Deploy to Workers" button or run `npm create cloudflare` with the specified template.

How do I add my own tools?

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

How can I test the server remotely?

Connect from Cloudflare AI Playground by entering your deploy URL, or use the `mcp-remote` proxy to connect from Claude Desktop.

What protocol does the server use?

The server uses SSE (Server-Sent Events), as indicated by the `/sse` endpoint in the deploy URL.

Comments

Basic information

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