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Building a Remote MCP Server on Cloudflare (Without Auth)

@elizabethsiegle

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

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#remote-mcp#cloudflare#server

Config

No standard config provided

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

Repository

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Overview

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

A template and deployment guide for creating a remote MCP server that runs on Cloudflare Workers without requiring authentication. It allows developers to define custom tools and connect them to MCP clients.

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. Add custom tools in src/index.ts inside the init() method using this.server.tool(...). Connect clients like Cloudflare AI Playground (enter the SSE URL) or Claude Desktop (via the mcp-remote proxy).

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

  • Deploy on Cloudflare Workers with a single button
  • No authentication required for the MCP server
  • Add custom tools using a standard MCP API
  • Connect directly from Cloudflare AI Playground
  • Works with Claude Desktop via the mcp-remote proxy

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

  • Quickly spin up a remote MCP server for testing or demos
  • Expose MCP tools without needing user authentication
  • Integrate MCP tools with Cloudflare AI Playground
  • Use MCP tools in Claude Desktop from a remote server

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

How do I deploy the MCP server?

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

How do I add my own tools?

Inside src/index.ts, in the init() method, define each tool using this.server.tool(...).

How do I connect Cloudflare AI Playground?

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

How do I connect Claude Desktop?

Use the mcp-remote proxy (npx mcp-remote) and update the Claude Desktop config to point to your server’s SSE endpoint.

Does this server require authentication?

No, this deployment deliberately does not include authentication.

Frequently asked questions

How do I deploy the MCP server?

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

How do I add my own tools?

Inside `src/index.ts`, in the `init()` method, define each tool using `this.server.tool(...)`.

How do I connect Cloudflare AI Playground?

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

How do I connect Claude Desktop?

Use the mcp-remote proxy (`npx mcp-remote`) and update the Claude Desktop config to point to your server’s SSE endpoint.

Does this server require authentication?

No, this deployment deliberately does not include authentication.

Comments

Basic information

Category

Developer Tools

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Author

elizabethsiegle

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