Building a Remote MCP Server on Cloudflare (Without Auth)

@UnitaryLabs

Repository

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

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#remote-mcp #cloudflare #server

Config

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

Repository

Tools

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Overview

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

This example lets you deploy a remote MCP server on Cloudflare Workers without authentication. It is intended for developers who want a simple, publicly accessible MCP endpoint.

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

Deploy by clicking the "Deploy to Workers" button or running npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. After deployment, customize tools in src/index.ts using this.server.tool(...). Connect to clients like the Cloudflare AI Playground or Claude Desktop (via the mcp-remote proxy).

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

Deployed as a Cloudflare Worker with no authentication required.
Uses Server-Sent Events (SSE) for transport.
Customizable tools defined in the init() method.
One‑click deploy via the Cloudflare Workers button.
Directly connectable from the Cloudflare AI Playground.
Compatible with Claude Desktop via the mcp-remote proxy.

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

Expose MCP tools remotely without managing authentication.
Test and interact with MCP tools from the Cloudflare AI Playground.
Connect remote MCP tools to local clients like Claude Desktop using a proxy.
Quickly prototype an MCP server using a Cloudflare Workers template.

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

How do I deploy this MCP server?

Click the "Deploy to Workers" button in the README, or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless from the command line.

How do I add custom tools to the server?

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

How can I connect to the Cloudflare AI Playground?

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

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

Use the mcp-remote proxy. In the Claude Desktop configuration (Settings > Developer > Edit Config), add an entry with command npx, args ["mcp-remote", "<your-server-url>/sse"].

What transport and authentication does this server use?

It uses SSE (Server‑Sent Events) as the transport. The server is explicitly deployed without authentication.

Frequently asked questions

How do I deploy this MCP server?

Click the "Deploy to Workers" button in the README, or run `npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless` from the command line.

How do I add custom tools to the server?

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

How can I connect to the Cloudflare AI Playground?

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

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

Use the `mcp-remote` proxy. In the Claude Desktop configuration (Settings > Developer > Edit Config), add an entry with command `npx`, args `["mcp-remote", "<your-server-url>/sse"]`.

What transport and authentication does this server use?

It uses SSE (Server‑Sent Events) as the transport. The server is explicitly deployed without authentication.

Comments

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