Show HN: A lightweight, stateless database for agent memory 4 by anuptalwalkar | 2 comments on Hacker News. I've been working on Polign and built a small prototype around something I've been thinking about with agent memory. I have built a lightweight/stateless vector db + BM25 search which works really well with typed facts and structured queries. It uses your own S3, or GCS bucket as primary storage, and restarting a node is fairly quick. Demo + writeup: https://ift.tt/OpMlPnW Live search demo: https://demo.polign.com Docs: https://polign.com August 26, 2026 at 10:24PM anuptalwalkar 4 https://ift.tt/lCKp2YM Show HN: A lightweight, stateless database for agent memory 2 I've been working on Polign and built a small prototype around something I've been thinking about with agent memory. I have built a lightweight/stateless vector db + BM25 search which works really well with typed facts and structured queries. It uses your own S3, or GCS bucket as primary storag...