I built a bedtime story site for Luxembourgish
There is very little children's audio in Luxembourgish, so I built Eemolwar: free stories in five languages with read-along text, and synthetic voices that are always labelled.
Blog Posts
coolinggap.eu: Europe is overheating, its cooling has not caught up
Every heatwave, Europe has the same argument about air conditioning, mostly from memory. I built a site where every number is cited and the build fails if a source is missing. The numbers are worse than I expected.
Luxembourg MCP: public data, ready for agents
One keyless MCP endpoint over 18 Luxembourg public data systems: laws, statistics, live parking, air quality, parliament, and more. 27 tools, no API keys, every result traced to its official source.
Pulsar: I turned this blog into an open-source Astro theme
The theme powering this site is now a standalone open-source project: flash-free dark mode, Shiki dual-theme highlighting, RSS, tag pages, and one config file to personalize it all.
I built a World Cup prediction machine (and bet real money on it)
Two days before the 2026 World Cup, I built an open-source football prediction model, wired it to a prediction market, and locked my bracket in public. Here is the story.
How to Use Namewise to Organize Your Files with AI
A practical guide to using namewise, an AI-powered CLI tool that automatically renames files based on their content
ASP.NET Core Interview Question: What is startup class?
At the heart of every ASP.NET lies the startup class
Using this keyword in fat arrow functions
The diffrence between using this keyword in javascript and typescript with fat arrow functions.