Kira Nakamura

@kira

AI engineer turning research papers into 5-minute videos. Built and sold a prompt pack to 2,000 strangers. Berlin → SF.

What I'm shipping

Demos and open source. The repos people actually ask me about.

prompt-cache — drop-in cache for the OpenAI SDK

Saves my own bills. ~2k stars. Used by every cohort student by week two.

tiny-eval — 200-line eval harness

What I use to grade cohort homework. Outputs a CSV, opens in any spreadsheet.

Paper Of The Week — live demo

Drop an arXiv URL. Get a 5-minute summary, the citations, and the diagram.

agents-101 — the cohort starter repo

The template every student forks on day one. Next.js + Claude + Postgres.