# Librarian

Startup, Worldwide.

> Cut token costs by up to 85% for LangGraph and OpenClaw
>
> — in its own words, from uselibrarian.dev

- Website: https://uselibrarian.dev/
- Listed since: 2026
- launched: 2026-02-26
- launch post: https://news.ycombinator.com/item?id=47169742
- hn score: 8
- domain created: 2026-02-22
- Last verified: 2026-02-26


## Sources

- Hacker News, "Show HN" — https://news.ycombinator.com/item?id=47169742, read 2026-02-26

---
startup.is · https://startup.is/registry/librarian · open data: /api/v1, /llms.txt