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Building a Remote MCP Server on Cloudflare (Without Auth)

@adappterxyz

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

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#remote-mcp#cloudflare#server

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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 requires no authentication on Cloudflare Workers. It is intended for developers who want to quickly set up a remote MCP server for use with clients like the Cloudflare AI Playground or local MCP clients such as Claude Desktop.

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

Deploy via the "Deploy to Workers" button or by running npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. After deployment, connect to the server’s SSE endpoint (e.g., remote-mcp-server-authless.<your-account>.workers.dev/sse). Custom tools are added in the init() method of src/index.ts using this.server.tool(...).

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

  • Deploy a remote MCP server without authentication.
  • Runs on Cloudflare Workers for global edge deployment.
  • Exposes tools via SSE endpoint.
  • Easily customizable with custom tools.
  • One-click deploy button available.

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

  • Connect to Cloudflare AI Playground as a remote MCP client.
  • Use with Claude Desktop via the mcp-remote proxy.
  • Prototype and test MCP tools without setting up authentication.
  • Host a public MCP server for lightweight integrations.

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

How do I deploy this MCP server?

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

How do I add custom tools?

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

How do I connect to Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/, enter your deployed MCP server URL (the /sse endpoint), and then use the tools directly from the playground.

How do I connect Claude Desktop to this server?

Use the mcp-remote proxy. In Claude Desktop's settings, add an MCP server with command npx mcp-remote <your-server-url>/sse.

Does this server require authentication?

No, by design this server does not require authentication. The title explicitly states "Without Auth".

Frequently asked questions

How do I deploy this MCP server?

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

How do I add custom tools?

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

How do I connect to Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/, enter your deployed MCP server URL (the `/sse` endpoint), and then use the tools directly from the playground.

How do I connect Claude Desktop to this server?

Use the `mcp-remote` proxy. In Claude Desktop's settings, add an MCP server with command `npx mcp-remote <your-server-url>/sse`.

Does this server require authentication?

No, by design this server does not require authentication. The title explicitly states "Without Auth".

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Developer Tools

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adappterxyz

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