Have you ever found yourself staring at an online pharmacy checkout page, wondering if that new allergy medication plays nice with your daily vitamins? Polypharmacy is a silent risk, and while doctors are the experts, having a real-time browser-based agent as a second pair of eyes can be a lifesaver. In this tutorial, we’re building a Drug-Interaction Guard. This is a sophisticated LLM Agent that lives in your browser, scrapes medication names from your active tab, and cross-references them ag...