A solitary stag stepping out from the shadows of a dense tree line into a vast, exposed clearing — presenting without a lectern

No Lectern, No Notes: Speaking at DroidKaigi 2026

The full story behind our DroidKaigi 2026 talk on Sony’s Kotlin Multiplatform journey: six weeks of preparation, a first-time co-speaker, a lectern-free presentation style never tried before at DroidKaigi, a live Bluetooth-headset demo, and the mistakes I made on stage.

September 12, 2026 · 13 min · Sergio Carrilho
a sophisticated adult fox in a navy sweater walking with a young fox wearing a red randoseru on a sun-drenched tokyo sidewalk.

AI Agents are Just People?

My kid cracked the code on AI agents yesterday. Accidentally, obviously. I was practicing a presentation about agentic workflows, you know, pacing around the living room, narrating slides to nobody, and he was watching from the couch like I was performing a particularly confusing magic trick. The next morning, on the walk to school, he hit me with: “So what are those agent things, actually?” I did what any self-respecting engineer would do. I gave him a five-minute answer to a ten-second question. Context windows. Tool calling. ReAct loops. The whole parade. ...

February 11, 2026 · 3 min · Sergio Carrilho
OpenClaw AI agent architecture: A cartoon orange lobster developer in a hoodie coding on a laptop, representing the system's ability to control a computer

Understanding OpenClaw’s Architecture (A High-Level Tour)

OpenClaw (formerly Clawdbot / Moltbot) has been getting a lot of attention recently. People describe it as an “AI agent”, a “local assistant”, or even “an AI that controls your computer”. All of those are partially true — but they can also be confusing. (If you want to understand the basics of how AI agents work in general, I wrote a primer on that.) This article explains OpenClaw’s architecture at a high level, without diving into implementation details. The goal is to give you a clear mental model of what OpenClaw is made of and how the pieces fit together. ...

February 1, 2026 · 5 min · Sergio Carrilho