I built a phishing detector into Chrome using Claude AI. Here's exactly how. (opens in new tab)

My mother called me last week. Someone had sent her an SMS claiming to be from DHL, asking her to pay a £2.99 customs fee via a link. She almost clicked it. That was enough. I spent a weekend building a Chrome extension that lets you paste any suspicious message and get an instant verdict. Here's how it works. The architecture (and why Cloudflare Workers) The obvious approach is to call the Claude API directly from the extension. Don't do this. Your API key lives in the extension code, which ...