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Building a Remote MCP Server on Cloudflare (Without Auth)

@evimeyer

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

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Overview

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

A template example that lets you deploy a remote MCP (Model Context Protocol) server on Cloudflare Workers without requiring authentication. It is intended for developers who want to create and host their own MCP tools accessible over the internet.

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

Deploy using the provided button or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Customize tools inside the init() method in src/index.ts with this.server.tool(...). Connect from Cloudflare AI Playground by entering the deployed SSE URL, or use the mcp-remote proxy to connect from Claude Desktop after editing its config JSON.

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

  • Deploys automatically to Cloudflare Workers.
  • No authentication required for remote access.
  • Customizable tools via the init() method.
  • Connects to Cloudflare AI Playground directly.
  • Compatible with Claude Desktop using mcp-remote proxy.

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

  • Hosting custom MCP tools for personal or experimental use.
  • Rapidly prototyping MCP servers without managing auth.
  • Connecting remote MCP tools to Cloudflare AI Playground.
  • Integrating custom tools into Claude Desktop via a local proxy.
  • Learning how to deploy and customize an MCP server on Workers.

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

What does this example deploy?

It deploys a remote MCP server on Cloudflare Workers that does not require authentication.

How do I add my own tools?

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

How can I connect to 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 start using the tools.

How do I connect Claude Desktop to this MCP server?

Use the mcp-remote proxy. Update Claude Desktop's config with "command": "npx", "args": ["mcp-remote", "<sse-url>"] and restart Claude.

Does this server require any authentication?

No. The server is explicitly built without authentication for easy remote access.

Frequently asked questions

What does this example deploy?

It deploys a remote MCP server on Cloudflare Workers that does not require authentication.

How do I add my own tools?

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

How can I connect to Cloudflare AI Playground?

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

How do I connect Claude Desktop to this MCP server?

Use the `mcp-remote` proxy. Update Claude Desktop's config with `"command": "npx", "args": ["mcp-remote", "<sse-url>"]` and restart Claude.

Does this server require any authentication?

No. The server is explicitly built without authentication for easy remote access.

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Basic information

Category

Developer Tools

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Author

evimeyer

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