Memory
GBrain Setup Guide
Set up GBrain as a persistent knowledge layer Claude can read from and write back to.
Published April 2026
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Garry Tan, President and CEO of Y Combinator, open-sourced his exact AI setup. G-Brain is a personal knowledge system built on Postgres with pgvector: everything you know flows into a searchable base your agent reads before every response. gstack adds 23+ skills that simulate a startup team.
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