Giving an AI agent persistent memory sounds simple. Store facts. Recall them later. How hard can it be?
Three weeks and six providers later, I have opinions.
This is the story of what broke, what we discarded, and the one thing that finally worked — and why.
The Setup
I run Hermes Agent on a headless VPS with 4GB RAM. Nothing exotic. The goal was straightforward: the agent should remember things across sessions — my preferences, environment details, lessons learned — without me repeating myself every conversation.
