Building a Remote MCP Server on Cloudflare (Without Auth)

Name: Building a Remote MCP Server on Cloudflare (Without Auth)
Author: hachecito

@hachecito

代码仓库

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

暂无概览

#remote-mcp #cloudflare #server

基本信息

分类

开发工具

运行时

node

传输方式

stdio

发布者

hachecito

配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "calculator": {
      "command": "npx",
      "args": [
        "mcp-remote",
        "remote-mcp-server-authless.your-account.workers.dev/sse"
      ]
    }
  }
}

工具

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概览

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

A template and deployment method for creating a remote MCP (Model Context Protocol) server on Cloudflare Workers that does not require authentication. It is intended for developers who want to quickly stand up a serverless MCP endpoint with custom tools and access it from remote MCP clients.

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

Deploy using the "Deploy to Workers" button or run 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 deployed SSE URL, or from Claude Desktop via the mcp-remote proxy.

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

Deployable to Cloudflare Workers with one click or a CLI command
No authentication required for the MCP server endpoint
Exposes tools over Server-Sent Events (SSE)
Customizable by adding MCP tools in source code
Can be connected from both Cloudflare AI Playground and local MCP clients

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

Host custom MCP tools on a globally distributed serverless platform
Connect tools from Cloudflare AI Playground without local infrastructure
Use as a remote tool provider for Claude Desktop via the mcp-remote proxy
Quickly prototype and test new MCP tool sets without authentication overhead

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

How do I deploy this MCP server?

Click 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.

How can I add my own tools?

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

How do I connect from Cloudflare AI Playground?

Go to the playground URL, enter your deployed MCP server’s SSE URL (e.g., remote-mcp-server-authless.<your-account>.workers.dev/sse), and use your tools directly.

How do I connect Claude Desktop?

Use the mcp-remote npm proxy. In Claude Desktop settings, add a server entry with command: "npx", args including mcp-remote and your SSE URL.

What runtime / dependencies are required?

The server runs on Cloudflare Workers. Local development requires Node.js and the npm create cloudflare CLI. The mcp-remote proxy (for local clients) is an additional npm package.

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