Developer Builds AI Agent That Filters Food Delivery Orders Based on Live Blood Sugar

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A developer has published a tutorial on DEV Community demonstrating how to build an AI agent called the 'Chief Health Officer' using LangGraph and GPT-4o. The system connects real-time Continuous Glucose Monitor (CGM) data from the Dexcom API to food delivery platforms, automatically filtering menu items based on a user's current blood sugar level. When glucose readings are high or unstable, the agent applies dietary constraints such as low glycemic index requirements before the user places an order. The workflow uses a stateful loop built with LangGraph, with Selenium handling browser interactions on delivery apps like Meituan or Ele.me. The project aims to demonstrate how AI agents can combine medical data streams with real-world application automation to support metabolic health decisions.

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