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Building a Remote MCP Server on Cloudflare (Without Auth)

@poeticguy

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

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

Config

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Overview

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

This is a template and guide for deploying a remote Model Context Protocol (MCP) server on Cloudflare Workers that does not require authentication. It is intended for developers who want to quickly expose MCP tools over the internet without implementing auth, for prototyping or internal use.

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

Deploy using the "Deploy to Workers" button on the README, or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless in your terminal. Customize tools inside the init() method of src/index.ts using this.server.tool(...). Connect to it from Cloudflare AI Playground or from Claude Desktop via the mcp-remote proxy.

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

  • Deploy remote MCP server without authentication on Cloudflare Workers.
  • Quick deployment via one-click button or CLI template.
  • Customize tools in src/index.ts using this.server.tool().
  • Connect from Cloudflare AI Playground as a remote MCP client.
  • Connect from Claude Desktop using the mcp-remote proxy.

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

  • Exposing MCP tools over the internet for development or testing.
  • Integrating MCP tools with the Cloudflare AI Playground.
  • Using remote MCP tools from local clients like Claude Desktop.

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

How do I deploy this MCP server?

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

How do I add custom tools?

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

How can I connect from Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/, enter your deployed MCP server URL (e.g., remote-mcp-server-authless.<your-account>.workers.dev/sse), and then use your tools directly in the playground.

How do I connect from Claude Desktop?

Install the `m

Frequently asked questions

How do I deploy this MCP server?

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

How do I add custom tools?

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

How can I connect from Cloudflare AI Playground?

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

How do I connect from Claude Desktop?

Install the `m

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poeticguy

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