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Building a Remote MCP Server on Cloudflare (Without Auth)

@kartik71

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

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#remote-mcp-server#cloudflare#guitar

Config

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Overview

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

A template/example for deploying a Model Context Protocol (MCP) server on Cloudflare Workers that requires no authentication. It is intended for developers who want to quickly create a remote MCP server to expose tools via SSE.

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

Deploy by clicking the “Deploy to Workers” button or using npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Customize tools inside the init() method of src/index.ts using this.server.tool(...). Connect to Cloudflare AI Playground by entering your deployed SSE URL, or to Claude Desktop via the mcp-remote proxy.

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.
  • Easy to customize with your own tools.
  • One-click deploy via the “Deploy to Workers” button.
  • Connectable from Cloudflare AI Playground and Claude Desktop.

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

  • Expose custom AI tools as a remote MCP server.
  • Quickly prototype MCP-based workflows without setting up auth.
  • Integrate MCP tools with Cloudflare’s AI Playground for testing.
  • Connect remote MCP tools to local MCP clients like Claude Desktop.

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

Does this server require authentication?

No, this example deploys a remote MCP server without authentication.

How do I deploy the server?

Click the “Deploy to Workers” button linked in the README, or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless.

How do I add custom tools?

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

How do I connect Claude Desktop to this server?

Use the mcp-remote proxy. In your Claude Desktop config, set the command to npx mcp-remote <your-SSE-URL>.

What is the default SSE URL format?

The URL is remote-mcp-server-authless.<your-account>.workers.dev/sse.

Frequently asked questions

Does this server require authentication?

No, this example deploys a remote MCP server without authentication.

How do I deploy the server?

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

How do I add custom tools?

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

How do I connect Claude Desktop to this server?

Use the `mcp-remote` proxy. In your Claude Desktop config, set the command to `npx mcp-remote <your-SSE-URL>`.

What is the default SSE URL format?

The URL is `remote-mcp-server-authless.<your-account>.workers.dev/sse`.

Comments

Basic information

Category

Developer Tools

Transports

stdio

Author

kartik71

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