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Building a Remote MCP Server on Cloudflare (Without Auth)

@365cent

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

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#remote-mcp-server#cloudflare#mcp-server

Config

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Repository

Tools

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Overview

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

This server lets you deploy a remote Model Context Protocol (MCP) server on Cloudflare Workers without requiring authentication. It is intended for developers who want to expose MCP tools over HTTP/SSE and connect them to remote or local MCP clients.

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

Deploy with one click using the "Deploy to Workers" button, or via npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. The server URL will be remote-mcp-server-authless.<your-account>.workers.dev/sse. Customize tools by editing src/index.ts inside the init() method using this.server.tool(...).

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

  • Deploy a remote MCP server without any authentication.
  • Fully customizable tools defined in src/index.ts.
  • Connect from Cloudflare AI Playground or any SSE‑capable MCP client.
  • Works with local MCP clients via the mcp-remote proxy.

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

  • Exposing MCP tools to remote AI playgrounds for experimentation.
  • Quickly prototyping MCP tools without managing auth infrastructure.
  • Integrating server‑side tools with desktop MCP clients like Claude Desktop.

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

How do I deploy this server?

Use the "Deploy to Workers" button or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless.

How do I add my own tools?

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

Which transport does the server use?

The server communicates over SSE (Server‑Sent Events).

Can I connect from Claude Desktop?

Yes, by using the mcp-remote proxy (npx mcp-remote <server-url>) in Claude Desktop’s MCP configuration.

Is authentication required?

No — this template deliberately deploys an MCP server without any authentication.

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Frequently asked questions

How do I deploy this server?

Use the "Deploy to Workers" button or run `npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless`.

How do I add my own tools?

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

Which transport does the server use?

The server communicates over SSE (Server‑Sent Events).

Can I connect from Claude Desktop?

Yes, by using the `mcp-remote` proxy (`npx mcp-remote <server-url>`) in Claude Desktop’s MCP configuration.

Is authentication required?

No — this template deliberately deploys an MCP server without any authentication. — — —

Comments

Basic information

Category

Developer Tools

Transports

stdio

Author

365cent

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