I Gave My AI Agent Long-Term Memory. It Started Confidently Lying to Customers About Facts From March.

Description and use

<p>I gave my AI agent long-term memory in an afternoon. It took me two weeks to realize memory was the problem, not the solution.</p> <p>The pitch was irresistible. My support agent forgot everything between conversations — a customer would explain their setup on Monday, and by Wednesday the agent was asking them the same three questions again. So I did what every builder does: I bolted on a memory layer. Embed the conversation summary, store it in a vector DB, retrieve the top 5 relevant memories before every reply. Classic RAG-over-history. It worked beautifully in my tests.</p> <p>Then it s

Problem

<p>I gave my AI agent long-term memory in an afternoon. It took me two weeks to realize memory was the problem, not the solution.</p> <p>The pitch was irresistible. My support agent forgot everything between conversations — a customer would explain their setup on Monday, and by Wednesday the agent was asking them the same three questions again. So I did what every builder does: I bolted on a memory layer. Embed the conversation summary, store it in a vector DB, retrieve the top 5 relevant memories before every reply. Classic RAG-over-history. It worked beautifully in my tests.</p> <p>Then it s

Outcome

<p>I gave my AI agent long-term memory in an afternoon. It took me two weeks to realize memory was the problem, not the solution.</p> <p>The pitch was irresistible. My support agent forgot everything between conversations — a customer would explain their setup on Monday, and by Wednesday the agent was asking them the same three questions again. So I did what every builder does: I bolted on a memory layer. Embed the conversation summary, store it in a vector DB, retrieve the top 5 relevant memories before every reply. Classic RAG-over-history. It worked beautifully in my tests.</p> <p>Then it s

Evidence

I Gave My AI Agent Long-Term Memory. It Started Confidently Lying to Customers About Facts From March.

Source