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Building a Remote MCP Server on Cloudflare (Without Auth)

@Mechanicalgoat

Repository

Basic information

Category

Developer Tools

Transports

stdio

Author

Mechanicalgoat

About Building a Remote MCP Server on Cloudflare

No overview available yet

#remote-mcp-server#cloudflare#mcp-server

Building a Remote MCP Server on Cloudflare config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "calculator": {
      "command": "npx",
      "args": [
        "mcp-remote",
        "http://localhost:8787/sse"
      ]
    }
  }
}

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.

Fetch the live tool list by running this server in a temporary sandbox using the button above.

Overview

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

A deployable remote MCP server that runs on Cloudflare Workers with no authentication required. It provides an SSE endpoint and allows custom tool definitions.

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

Deploy via the "Deploy to Workers" button or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Customize tools by editing 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.

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

  • Deploys to Cloudflare Workers with a single click.
  • No authentication required.
  • Supports custom MCP tools.
  • Uses SSE transport.
  • Can be connected from remote or local MCP clients.

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

  • Expose MCP tools via a publicly accessible URL.
  • Connect MCP tools to Cloudflare AI Playground.
  • Use with Claude Desktop via the mcp-remote proxy.

Frequently asked questions

1

Does this MCP server require authentication?

No. It is explicitly designed to run without authentication.

2

How do I deploy the server?

Use the "Deploy to Workers" button on the GitHub page, or run the `npm create cloudflare` command with the provided template.

3

Can I add my own tools to the server?

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

4

How do I connect a local MCP client like Claude Desktop?

Use the `mcp-remote` proxy. Configure Claude Desktop with the proxy command and your server's SSE URL (e.g., `remote-mcp-server-authless.<your-account>.workers.dev/sse`).

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