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Building a Remote MCP Server on Cloudflare (Without Auth)

@amc0101

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

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#remote-mcp#cloudflare#server

Config

No standard config provided

This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.

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Overview

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

A reference implementation that deploys a remote MCP (Model Context Protocol) server on Cloudflare Workers without requiring authentication. It provides an SSE endpoint and allows developers to define custom tools for use with remote MCP clients.

How to use 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 adding them inside the init() method of src/index.ts using this.server.tool(...). Connect clients such as Cloudflare AI Playground or Claude Desktop (via the mcp-remote proxy) by pointing to the deployed SSE URL.

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

  • Deploy to Cloudflare Workers with no authentication required.
  • Exposes a remote SSE endpoint for MCP clients.
  • Fully customizable tool definitions in TypeScript.
  • One-click deploy via Cloudflare's deploy button.
  • Works with cloud and local MCP clients like Claude Desktop.

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

  • Build and test remote MCP tools accessible from the Cloudflare AI Playground.
  • Create custom AI agent tools deployed serverlessly on Cloudflare’s edge.
  • Prototype MCP servers without managing authentication flows.

FAQ from Remote MCP Server on Cloudflare (Without Auth)

How do I deploy this server?

Click the "Deploy to Workers" button in the README, or use the CLI command: npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless.

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 from the Cloudflare AI Playground?

Go to playground.ai.cloudflare.com and enter your deployed MCP server URL (e.g., remote-mcp-server-authless.<your-account>.workers.dev/sse).

How do I connect from Claude Desktop?

Install the mcp-remote proxy and configure Claude Desktop with a command like: npx mcp-remote http://localhost:8787/sse (or your remote URL).

Does this server require authentication?

No. The server is designed to be authentication-free, as stated in the project title.

Frequently asked questions

How do I deploy this server?

Click the "Deploy to Workers" button in the README, or use the CLI command: `npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless`.

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 from the Cloudflare AI Playground?

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

How do I connect from Claude Desktop?

Install the `mcp-remote` proxy and configure Claude Desktop with a command like: `npx mcp-remote http://localhost:8787/sse` (or your remote URL).

Does this server require authentication?

No. The server is designed to be authentication-free, as stated in the project title.

Comments

Basic information

Category

Developer Tools

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Author

amc0101

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