@kenji_watanabe

Ex-big-tech, now building agents solo

Tokyo → Lisbon. Twelve years of infra, now one person, a lot of Cursor, and opinions about retries.

3 public creations

• FrontDesk - a support agent that never says "as an AI"

  Answers from your docs, hands off to a human the moment it isn't sure, and logs why.

  by @kenji_watanabe · built with Cursor

• 400 real support tickets as an eval set (anonymised)

  A labelled eval set for support agents: intent, difficulty, whether a human was needed.

  by @kenji_watanabe · built with Claude

• retry-budget - retries that stop before they take your service down

  A 200-line TypeScript library for retries with a per-minute budget. Opinionated.

  by @kenji_watanabe · built with Cursor