I'm Henrik. I build things and write about them.
I've spent 15 years shipping products across AI, IoT, and SaaS, including one that got acquired. If you're trying to figure out where AI actually fits in your product or business, have a read. Or get in touch.
How Your AI Actually Works
A plain-language explanation of the architecture behind every major LLM, from attention to training to the questions nobody can answer yet.
Peer-reviewed knowledge
Remember Aardvark and ChaCha, the old human search engines? I keep wondering if AI could bring back a version, somewhere outside your network to ask 'does this actually make sense?'
Building StackCLI
I wanted to schedule Substack Notes from the terminal because I didn't want Substack open while I was working. Substack doesn't have an API, which made it interesting.
tended 4 weeks agoAdd PII detection for extra safety
Wired OpenAI's privacy-filter into Claude Code as a pre-push hook, about 150 lines of TypeScript. A small example of a bigger idea: you can let AI write the code if you build the checks around it.
tended 6 weeks agoDigital gardening
Last week, I stumbled upon an article from Maggie Appleton about digital gardens. It made me redesign my website.
tended 6 weeks agoSounding-board calls, advisory, the occasional speaking gig.
I take on a few advisory engagements at a time, especially around AI-era product growth. If you're stuck on positioning, distribution, or what to ship next, an hour of pushback usually beats a week of staring at a doc.