memorydial

John Walker made his money from AutoCAD. In 1991 he wrote The Hacker's Diet, a book that treated the human body as a system. We are bags of water. Calories go in, calories go out. Weight is the integral of the difference. Engineers had been solving problems like this for decades. Why not fat?

Walker proposed a thought experiment: the Eat Watch. You set a calorie budget for the day. The watch counts down as you eat. When you hit zero, it tells you to stop. No willpower. No decisions. Just a signal, like a fuel gauge.

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A white onion almost broke me.

I was cooking dinner, logging as I went. I weighed the onion, chopped it, threw it into the pan, then opened MyFitnessPal. The first result had more fat than a stick of butter.

I knew that was wrong. I spent the next five minutes hunting through a database of user-submitted shite, guessing which entry was accurate. For an onion.

Why am I still using this crap?

Right then I decided to build my own.

It came together with Claude Code pretty quick. A Django Web app, SQLite Database and a cheap GPT model deployed onto a raspberry pi and made accessable over the web via Tailscale.

You describe food in plain English. It returns reasonable nutrition data. Just type what you ate.

When I'm cooking, I know what's going in. Last week I made chili. I pasted the ingredients straight from a YouTube description: ground beef, kidney beans, tomatoes, onion, half a packet of American cheese. Told it six portions. It came back: 340 calories, 26g protein per bowl.

When I'm out, I don't know what's in the burrito. I don't need to. I type “chipotle chicken burrito, no sour cream” and it comes back: 650 calories, 42g protein, 80% confidence. Good enough. Logged and done.

Here's what the big apps miss: a rough estimate you record beats a precise measurement you don't. Tracking is a habit. Habits need to be easy.

Last week I wanted to re-log yesterday's breakfast with one click. Took an hour. Now it's there, because it's mine.

And mine doesn't store passwords in plain text.