Show HN: Open-source toolkit for AI memory that scales

Category: library

Tags: ai-memory, postgresql, ltree, versioned-storage, typescript

Score: 6.5/10 (Innovation: 6, Technical: 7, Documentation: 7, Utility: 6)

Lithium is an open-source TypeScript toolkit that provides hierarchical versioned storage on top of PostgreSQL's ltree, addressing scalability issues of graph-based AI memory by using index-backed tree queries. It offers deterministic, scoped retrieval with built-in versioning, making it a specialized tool for structured AI agent memory and related use cases.

Target audience: backend devs

Repository: https://github.com/0xJaksun/lithium-core · TypeScript · MIT · 1 stars

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