Building a Remote MCP Server on Cloudflare (Without Auth)

@Mikey-exe

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",
        "remote-mcp-server-authless.your-account.workers.dev/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)?

This example lets you deploy a remote MCP server that does not require authentication on Cloudflare Workers. It is intended for developers who want to expose MCP tools over SSE without managing user authentication.

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

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

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

One-click deploy to Cloudflare Workers
No authentication required for the MCP server
Customizable tools defined in source code
SSE transport for remote connections
Compatible with Cloudflare AI Playground and local MCP clients

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

Quickly prototype and share MCP tools with no auth setup
Connect MCP server to Cloudflare AI Playground for testing
Use with Claude Desktop via the mcp-remote proxy
Deploy a public MCP endpoint for internal or demo purposes

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

What is this server?

It is a Cloudflare Workers deployment that runs a remote MCP server without authentication, serving tools over SSE.

How do I deploy it?

Click the Deploy to Workers button or run the npm create cloudflare@latest command with the provided template. After deployment, the server is available at a URL like remote-mcp-server-authless.<your-account>.workers.dev/sse.

How do I add custom tools?

Edit src/index.ts and add tool definitions inside the init() method using this.server.tool(...). Refer to the Cloudflare MCP tools documentation for details.

How do I connect to Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/, enter your deployed MCP server URL, and use the tools directly from the playground.

How do I connect to Claude Desktop?

Install the mcp-remote proxy and add a configuration entry in Claude Desktop's Settings > Developer > Edit Config. Use npx mcp-remote <your-sse-url> and restart Claude.

Frequently asked questions

What is this server?

It is a Cloudflare Workers deployment that runs a remote MCP server without authentication, serving tools over SSE.

How do I deploy it?

Click the Deploy to Workers button or run the `npm create cloudflare@latest` command with the provided template. After deployment, the server is available at a URL like `remote-mcp-server-authless.<your-account>.workers.dev/sse`.

How do I add custom tools?

Edit `src/index.ts` and add tool definitions inside the `init()` method using `this.server.tool(...)`. Refer to the Cloudflare MCP tools documentation for details.

How do I connect to Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/, enter your deployed MCP server URL, and use the tools directly from the playground.

How do I connect to Claude Desktop?

Install the `mcp-remote` proxy and add a configuration entry in Claude Desktop's Settings > Developer > Edit Config. Use `npx mcp-remote <your-sse-url>` and restart Claude.

Comments

Basic information

More Developer Tools MCP servers

Vibgrate MCP

Vibgrate

Query your team's drift, vulnerability, and migration data from any AI assistant. Vibgrate MCP connects Cursor, Claude, ChatGPT, Windsurf, or VS Code to Vibgrate Cloud: 51 tools for DriftScores, CVEs and EOL runtimes, up

ZeroBeacon — 1000-Tool Collision-Proof Commerce Router

DavidFox998

ZeroBeacon.ai — Collision-proof commerce router for AI agents. 1000 MCP tools: commerce, trust, billing, sovereign ID + everyday tools. LIVE.

CircleCI MCP Server

CircleCI

Manage CI/CD pipelines, debug failed builds, and optimize test suites directly from your AI agents - no terminal required. The CircleCI MCP Server is a remote server hosted by CircleCI that connects AI tools and agents

TaskerArmy Agent

TaskerArmy

Ask Claude or ChatGPT what Shopify theme optimization tasks are pending on your store, a remote MCP server for TaskerArmy Agent accounts.

Repo Test Architect

RepoAssay

Local-first, read-only MCP server for evidence-backed repository test architecture audits and test planning.