What are the prerequisites for using MCP Demo?
You need Node.js v16 or later, the pnpm package manager, a Cloudflare account, the Wrangler CLI, and an MCP‑compatible client such as Claude Desktop or Cursor.
@akazwz
基本情報
cloudflare workers MCP server
以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。
{
"mcpServers": {
"workers-mcp-demo": {
"command": "npx",
"args": [
"workers-mcp",
"setup"
]
}
}
}ツール一覧はまだありません
この掲載には表示できるツール一覧がまだありません。サーバーにツールがないという意味ではありません。対応機能はプロジェクトのドキュメントをご確認ください。
上のボタンで一時的なサンドボックスでこのサーバーを実行し、ツール一覧を取得できます。
MCP Demo is a demonstration project that uses Cloudflare Workers MCP to create custom AI tools. These tools can be used with MCP‑capable AI assistants such as Claude Desktop, Cursor, and others. It is intended for developers who want to extend the capabilities of AI assistants with their own serverless functions.
Clone the repository, install dependencies with pnpm install, log in to Cloudflare via wrangler login, run npx workers-mcp setup, then deploy with pnpm run deploy. For Claude Desktop, run pnpx workers-mcp install:claude. For Cursor, add a JSON configuration that includes the path to the worker and the worker’s URL. Free‑tier users must remove the browser section from wrangler.jsonc before deploying.
getRandomNumber, generateImage, screenshotURL, and extractImagesFromURLYou need Node.js v16 or later, the pnpm package manager, a Cloudflare account, the Wrangler CLI, and an MCP‑compatible client such as Claude Desktop or Cursor.
No, but free‑tier users must remove the `browser` binding from `wrangler.jsonc`. Doing so disables `screenshotURL` and `extractImagesFromURL`; all other tools remain functional.
Edit `src/index.ts` and add a new method to the Worker class. Then redeploy your worker with `pnpm run deploy`. Remember to restart your AI assistant after changing method names or parameters.
Restart the assistant. If the problem persists, check the Cloudflare Workers logs for deployment errors. Free‑tier users should verify they have removed the `browser` configuration.
The entire toolset runs on Cloudflare Workers. No data is stored locally; each tool execution is a stateless request to the deployed worker.

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