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Building a Remote MCP Server on Cloudflare (Without Auth)

@marvinjude

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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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Overview

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

This example allows you to deploy a remote MCP server that does not require authentication on Cloudflare Workers. It is intended for developers who want to quickly set up a remote model context protocol server using Cloudflare’s edge network and SSE transport.

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

Deploy the server by clicking the “Deploy to Workers” button or by running npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. After deployment, customize tools in src/index.ts inside the init() method. Connect clients via the server’s SSE endpoint (e.g., remote-mcp-server-authless.<your-account>.workers.dev/sse).

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

  • Deploy a remote MCP server on Cloudflare Workers without authentication.
  • Uses SSE (Server-Sent Events) transport.
  • Easily customizable with your own tools.
  • One-click deployment via the Cloudflare Deploy to Workers button.
  • Supports connection from Cloudflare AI Playground or local MCP clients.

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

  • Expose MCP tools to remote clients without managing authentication.
  • Prototype and test MCP tools using Cloudflare AI Playground.
  • Connect Claude Desktop to a remote MCP server via the mcp-remote proxy.
  • Integrate custom tools into any SSE-compatible MCP client.

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

How do I deploy this MCP server?

Use the “Deploy to Workers” button on the README or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless in your terminal.

What transport protocol does the server use?

The server uses Server-Sent Events (SSE) and exposes an endpoint at the /sse path.

Does this MCP server require authentication?

No, this server is specifically built without authentication to simplify initial deployment and testing.

How can I connect to this server from Claude Desktop?

Use the mcp-remote proxy (npx mcp-remote) and configure Claude Desktop’s mcpServers section with your server’s SSE URL.

Where can I add custom tools?

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

Frequently asked questions

How do I deploy this MCP server?

Use the “Deploy to Workers” button on the README or run `npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless` in your terminal.

What transport protocol does the server use?

The server uses Server-Sent Events (SSE) and exposes an endpoint at the `/sse` path.

Does this MCP server require authentication?

No, this server is specifically built without authentication to simplify initial deployment and testing.

How can I connect to this server from Claude Desktop?

Use the mcp-remote proxy (`npx mcp-remote`) and configure Claude Desktop’s `mcpServers` section with your server’s SSE URL.

Where can I add custom tools?

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

Comments

Basic information

Category

Developer Tools

Transports

stdio

Author

marvinjude

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