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Building a Remote MCP Server on Cloudflare (Without Auth)

@Mani-sarvam

Repository

Basic information

Category

Developer Tools

Transports

stdio

Author

Mani-sarvam

About Building a Remote MCP Server on Cloudflare

No overview available yet

#remote-mcp#cloudflare#server

Building a Remote MCP Server on Cloudflare 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

Building a Remote MCP Server on Cloudflare tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

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

This example enables you to deploy a remote MCP server that requires no authentication on Cloudflare Workers, using Server-Sent Events (SSE) as the transport. It is intended for developers who want a quick, publicly accessible MCP endpoint for prototyping or tool integration.

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

Deploy using the "Deploy to Workers" button or the CLI command npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Customize tools by editing the init() method in src/index.ts with this.server.tool(...). Connect remote clients such as Cloudflare AI Playground or Claude Desktop (via the mcp-remote proxy) by providing the SSE URL, 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 without authentication.
  • Runs on Cloudflare Workers with an SSE endpoint.
  • Customizable tools defined in src/index.ts.
  • One-click deploy via the Workers button or CLI.
  • Connects to Cloudflare AI Playground as a remote client.
  • Connects to Claude Desktop via the mcp-remote proxy.

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

  • Quickly prototyping an MCP server for development or demos.
  • Exposing MCP tools to remote clients without managing auth flows.
  • Integrating MCP tools with Cloudflare AI Playground.
  • Connecting local desktop MCP clients (e.g., Claude Desktop) to a cloud-hosted server.

Frequently asked questions

1

What does this server do compared to alternatives?

It provides a ready-to-deploy MCP server on Cloudflare Workers that deliberately omits authentication, simplifying setup for development and testing.

2

What are the runtime/dependency requirements?

The server is deployed on Cloudflare Workers. Local customization requires Node.js and npm. Connecting from Claude Desktop requires the `mcp-remote` proxy (`npx mcp-remote`).

3

Where does MCP data live?

All MCP tools and their data run on Cloudflare Workers and are exposed via an SSE endpoint. No data is stored locally.

4

What transport and auth does this server use?

It uses Server-Sent Events (SSE) as the transport and is explicitly built without authentication.

5

How do I add custom tools?

Inside the `init()` method of `src/index.ts`, call `this.server.tool(...)` to define each tool. See Cloudflare's MCP tools documentation for details.

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