Building a Remote MCP Server on Cloudflare (Without Auth)
@zpg6
About Building a Remote MCP Server on Cloudflare (Without Auth)
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Config
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Overview
What is Building a Remote MCP Server on Cloudflare (Without Auth)?
This project allows you to deploy a remote Model Context Protocol (MCP) server that does not require authentication on Cloudflare Workers. It is intended for developers who need a simple, no-auth MCP server accessible over the internet.
How to use Building a Remote MCP Server on Cloudflare (Without Auth)?
Deploy by clicking the Deploy to Workers button on the README or by running npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Customize the server by adding tools within the init() method of src/index.ts using this.server.tool(...).
Key features of Building a Remote MCP Server on Cloudflare (Without Auth)
- Deploy a remote MCP server without authentication
- Runs on Cloudflare Workers
- Easily add custom tools via
this.server.tool(...) - Connect to Cloudflare AI Playground
- Connect to local clients like Claude Desktop
Use cases of Building a Remote MCP Server on Cloudflare (Without Auth)
- Deploy a remote MCP server for quick prototyping without setting up auth
- Use MCP tools directly from the Cloudflare AI Playground
- Connect Claude Desktop to a remote MCP server using the mcp-remote proxy
- Create an open MCP endpoint for internal tools or demos
FAQ from Building a Remote MCP Server on Cloudflare (Without Auth)
What does "without auth" mean for this server?
The deployed MCP server has no authentication or authorization layer, making it accessible to anyone who knows the URL.
How do I deploy this MCP server?
Use the "Deploy to Workers" button in the README, which creates a URL like remote-mcp-server-authless.<your-account>.workers.dev/sse. Alternatively, run npm create cloudflare@latest with the provided template.
Can I connect to this server from local clients like Claude Desktop?
Yes. Use the mcp-remote npm package as a proxy, and configure Claude Desktop to run npx mcp-remote <your-server-url>.
Are there any prerequisites for this server?
You need a Cloudflare account to deploy the worker. No other runtime or storage dependencies are mentioned.
What transport does this server use?
The server communicates over SSE (Server-Sent Events) at the /sse endpoint.
Frequently asked questions
What does "without auth" mean for this server?
The deployed MCP server has no authentication or authorization layer, making it accessible to anyone who knows the URL.
How do I deploy this MCP server?
Use the "Deploy to Workers" button in the README, which creates a URL like `remote-mcp-server-authless.<your-account>.workers.dev/sse`. Alternatively, run `npm create cloudflare@latest` with the provided template.
Can I connect to this server from local clients like Claude Desktop?
Yes. Use the `mcp-remote` npm package as a proxy, and configure Claude Desktop to run `npx mcp-remote <your-server-url>`.
Are there any prerequisites for this server?
You need a Cloudflare account to deploy the worker. No other runtime or storage dependencies are mentioned.
What transport does this server use?
The server communicates over SSE (Server-Sent Events) at the `/sse` endpoint.
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