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Zach Lichtman
Artificial Intelligence, Cybersecurity, and Robotics.I build things that I wish existed.
Résumé
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Tsukumo

A multi-agent harness where KemoSabe, a private bot on Apple’s on-device model, stands between your personal data and every other AI agent.

GitHub, public iPhone

Tsukumo

2026

A helpful assistant. A private life.

Your personal data never leaves your device.

KemoSabe is Tsukumo’s private bot, running on Apple’s on-device model. It handles everything personal: your messages, calendar, contacts, photos, and files. Claude, Codex, Cursor, Gemini, and other agents have to ask it, and they get only the answer they need, never the data behind it. In this example, you ask Claude for a date spot for you and Sarah. Claude asks KemoSabe when Sarah is free, gets “After 7 tonight,” and books a table, while your conversation stays on your device.

GitHub