Some time ago, I was building a chat application using AWS Websocket API gateway. Things were going smoothly. I created a WebSocket API Gateway, added $connect, $disconnect, and sendMessage/addGroup routes. From the frontend (React) side, everything was fire-and-forget. You send a message, and the onMessageHandler takes care of it 💪🏼 But then a new requirement of uploading files using S3 signed
We’ve spent a week building, where we predefined every single step. But what if you don't know the steps in advance? What if the AI needs to decide whether to search Google, check a database, or use a calculator based on the user's question? This is where we move from "Chains" to Agents. If a Chain is a fixed railroad track, an Agent is a self-driving car. It has a destination (your goal) and a se