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Building a Remote MCP Server on Cloudflare (Without Auth)

@jacobprall

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

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#remote-mcp#cloudflare#server

Config

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Overview

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

This example provides a template to deploy a remote MCP server on Cloudflare Workers that does not require authentication. It is intended for developers who want to quickly set up a remote MCP server with custom tools and connect it to clients like Cloudflare AI Playground or Claude Desktop.

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

Deploy the server by clicking the "Deploy to Workers" button or running npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless from the command line. Customize tools by defining them in the init() method of src/index.ts using this.server.tool(...). Connect to Cloudflare AI Playground by entering the deployed URL, or to Claude Desktop using the mcp-remote proxy with the server's SSE endpoint.

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

  • Deployed instantly on Cloudflare Workers via a button or CLI.
  • No authentication required for remote access.
  • Custom tools can be added inside src/index.ts.
  • Connects to Cloudflare AI Playground as a remote MCP client.
  • Works with local MCP clients via the mcp-remote proxy.

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

  • Deploying a remote MCP server without setting up authentication.
  • Using MCP tools directly from Cloudflare AI Playground.
  • Connecting Claude Desktop to a remote MCP server using the mcp-remote proxy.
  • Prototyping and testing MCP tool integrations on a public endpoint.

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

What does this example do?

It provides a template to deploy a remote MCP server on Cloudflare Workers that does not require authentication, making it easy to expose MCP tools over SSE.

How do I deploy the server?

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

How can I add my own tools?

Define each tool inside the init() method of src/index.ts using this.server.tool(...) as shown in the Cloudflare MCP tools documentation.

How do 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 you can use the tools directly.

How do I connect Claude Desktop to the server?

Install the mcp-remote proxy, then add the server to Claude Desktop's configuration using npx mcp-remote <sse-url> as the command and args.

Frequently asked questions

What does this example do?

It provides a template to deploy a remote MCP server on Cloudflare Workers that does not require authentication, making it easy to expose MCP tools over SSE.

How do I deploy the server?

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

How can I add my own tools?

Define each tool inside the `init()` method of `src/index.ts` using `this.server.tool(...)` as shown in the Cloudflare MCP tools documentation.

How do 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 you can use the tools directly.

How do I connect Claude Desktop to the server?

Install the `mcp-remote` proxy, then add the server to Claude Desktop's configuration using `npx mcp-remote <sse-url>` as the command and args.

Comments

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Developer Tools

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jacobprall

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