Three decades of taking software through legacy, audit and production.

My own photos overruled the benchmark

I built semantic photo search for our 200,000 family photos in Nextcloud. Published benchmarks and an AI research report picked one model. Four hundred of our own photos, judged blind on the home server, picked the other.

A shopping list for a catamaran: start from what people refuse to do

Friends on a boat needed one shared shopping list with no accounts. What that requirement decided, what I left out on purpose, and what changes when an AI agent deploys through MCP.

The path is /mcp, or the connector goes silent

My MCP server passed OAuth with two AI clients and then heard nothing from them. Five wrong theories, the measurements that ruled them out, and the one-line fix.

Ten browser tabs and one head: my homelab in August 2026

My homelab as it stood in August 2026: a house full of services and devices, every setting stored in a web UI or in my memory, and the dependencies I had never written down.

Firmware-as-Config: devices you declare instead of program

ESPHome turns a short YAML file into firmware for a cheap ESP32 board. What follows when you declare a device instead of programming it, and where the declaration ends.

DOMIQ integration with Zabbix

I’ve been hacked!

Bringing building automation into SOA world

Generating large ZIP files

Integration of intelligent home systems

A brain of LCN-based intelligent home