AI Engineering

Apr 11, 2026 · Artificial Intelligence

GBrain: Open-Source AI Memory Engine that Gives OpenClaw and Hermes Long-Term Recall

GBrain, an open‑source AI memory hub created by YC partner Garry Tan, combines Postgres tsvector keyword search with pgvector semantic search via RRF, manages thousands of Markdown notes, and runs an automated nightly agent that refines and links memories, offering a practical long‑term recall layer for agents like OpenClaw and Hermes.