PERSONAL INDEX · VOL. I

LEOZHAO

Making useful things from messy ideas

© 2026LOS ANGELES, CA

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About

Hey, I’m Leo. I’m a data scientist who likes turning unclear problems into small, working tools.

I work with data, experiments, and AI systems. I try to keep the reasoning visible, not just the result.

This site is a simple record of things I’ve built and lessons I want to keep.

Book a 30-min chat ↗

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Projects

Tab TidyA Chrome extension that suggests tab groups, lets you refine the plan in plain English, and previews every change before you apply it.Open project ↗

Loop AgentA small agent loop with safe tools, SQLite memory, and a trace you can inspect.View on GitHub ↗

Point2PromptPoint at a UI element, add intent, and copy a structured brief for your coding agent.Open project ↗

Trackpad CanvasNative macOS tool for drawing rough ideas directly from a trackpad.Open project ↗

SplitTasteA shared-profile repair demo that turns mixed movie ratings into user-guided taste lanes.Open project ↗

Where to SitPreview the view before choosing an IMAX seat.Open project ↗

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Now

Now Learning how agent systems fail by building a small one I can inspect

Recently Contributing fixes and examples to open-source agent infrastructure

Ongoing Making small tools for everyday decisions, from recommendations to where to sit

Always Looking for everyday friction worth removing