I Tried 5 Ways to Give My AI Agent Memory (And Built a Database Instead)

Last month, my AI agent forgot a user's name three times in one conversation. Not a complex name. Not a foreign name. "Sarah." The agent asked "What's your name?" then "Nice to meet you, Sarah" then five minutes later: "Sorry, I didn't catch your name." Sarah was not impressed. Neither was I. I had built what I thought was a sophisticated AI system. It could reason, plan, execute tasks. But it had the memory of a goldfish with amnesia. So I went down the rabbit hole of AI agent memory. I tried everything. Here's what actually worked"”and what didn't.