Stay Safe with AI: Building a Real-time Drug-Interaction Guard with LangGraph and PubMed

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 aga