Kodosi
terminals, agents and friends. together.
People and coding agents working together through shared terminals, rooms and tasks, with end-to-end encryption.
Rust, Swift, Qtkodosi.comGitHub
I’m John Kozaris.
Software engineer. Maker of things.
I live in Zürich and work on AI agents at Microsoft. Before that I wrote flight software for a small satellite in Greece. In my own time I make Kodosi and BoBe.
making now
Two things I build in the open.
BoBe
notices, remembers, helps.
A local-first proactive AI companion for macOS, with an iPhone app and an ESP32 body.
Rust, Swiftbobebot.comGitHub
built
The big ones so far.
Invented
The whole work historyAgent memory
Agents that remember across conversations and re-learn from teaching and feedback. Patent EP4651035.
Read moreArchitectedMulti-agent orchestration
A runtime where agents delegate tasks to other agents, in the background and in parallel.
Read moreDefinedAgent evaluation
Evals that score tool calls, state changes and final answers, and a taxonomy of silent agent failures.
Read moreLedFlight software for a CubeSat
The on-board software of AcubeSAT, a nanosatellite in ESA's Fly Your Satellite! programme.
Read moreblog
Lessons from the things I build, with the numbers.
4 November 20264 min read
A pixel-art film in a GitHub README
My GitHub profile opens with a 96-second pixel-art film. A README can't run code, so every frame is drawn ahead of time and packed into one image.
Craft3 November 20265 min read
A circuit board check that passed without reading my rules
I wrote rules for the USB traces on a circuit board, and the design check passed for 16 days. It had never read them.
Tooling3 November 20268 min read
Making a terminal on another computer feel local
In my terminal app, opening a terminal on another computer took 1.4 seconds, though the shell there starts in 3 ms. This is where the time went.
TerminalsPerformance