Building long-term memory for agents: a philosophy, not a product

GrungeWerX · reddit · 2026-09-20

A Reddit hobbyist shares a four-month journey building agent memory from scratch: start with a single memory.md summary, add daily session summaries, then layer Postgres-backed semantic retrieval (RAG) to avoid stuffing dozens of files into context. His thesis: memory architecture flows from a clear philosophy, and you likely need to build custom tooling rather than rely on a harness's built-in memory.

Original post →

More from coding & agent

coding & agent channel →