Margin Notes

AI Psychology

The quirks of your AI collaborator, what actually breaks in an agentic system, and how to steer the decisions that matter.

Jul 12 • Indranil Saha

June 2026

Under the Hood

Building the brain of a Private AI Tax Assistant

Jun 15 • Indranil Saha

The Lexicon

Terms I crashed into while building my Private AI Tax Assistant.

Jun 14 • Indranil Saha

May 2026

THE VOICES

And the mirror...

May 12 • Indranil Saha

1

The Counterintuitive Decision

Everyone is building AI to replace the human in the loop. This week I deliberately put one back in. [Why — and what it taught me about wrong solutions…

May 6 • Indranil Saha

1

April 2026

It Actually Works. Kinda.

Or when the rubber met the road...

Apr 21 • Indranil Saha

The Blueprint

Or: what you think about when the laptop hasn’t arrived yet and you have nothing better to do...

Apr 8 • Indranil Saha

March 2026

Dignity

...in the face of cheek and sarcasm... a guide to old school

Mar 21 • Indranil Saha

The Infrastructure Tax

or how to buy a refurb Mac Pro and overthink cost allocation...

Mar 21 • Indranil Saha

1

Building a Private AI Tax Assistant: In public, on a MacBook!

Why on earth? Is It Possible? How Long Will It Take? What Will It Cost?

Mar 10 • Indranil Saha

4

January 2026