February 9, 2026

A few weeks ago, I was staring at a system prompt that was 127,000 tokens long. One hundred and twenty-seven thousand tokens - just the system prompt. Most of it was, you guessed it, tool schemas: JSON definitions for every possible thing the agent could do, most of which it would never touch in any given run. My solution? I propose AgentScript: a code-first execution language where the LLM can only interact with the outside world by writing programs.

December 29, 2025

I turned 28 yesterday and like years past, I wanted to reflect on this past year and plan my theme for 2026. But 2025 was different; this isn’t a typical growth year to celebrate, this is a year with a clean ending, introspection, and searching for what comes next. Past themes The theme system was popularized by CGP Grey in the Cortex podcast. I’ve been using it for years as an alternative to New Year’s

November 27, 2025

This is the third chapter in my five-year retrospective. After the life of Pabio, where we somehow convinced Y Combinator that sofas were SaaS and built an apartment in Zurich’s main train station, we were about to discover that math doesn’t care about your YC badge. Our culture was… unique? Carlo introduced the XX:59 meeting - every meeting started at 29 or 59 minutes past the hour so if you’re on time at 8 am, you’re already late. Miss the 7:59 am standup by even 30 seconds?