AntJanusAntonin Januska · Boulder, CO
Antonin in a black cap and glasses in front of a graffiti brick wall
me, and a louder wall
hi!
Antonin Januska · Staff Engineer

IbuildwithAIandwriteaboutwhatIlearn.

20+ years of software development, writing about AI workflows, technical leadership, and the craft of building things.

20+Years Building 600+GitHub Stars 2012Blogging Since
Start here

Three pages I'd hand you first

the dog-eared ones

The Future is Bespoke, Personalized Software

Every app I use is about 70% right. The last 30% never ships because the addressable market for it is one person -- me. So I built seven apps that are 100% right for one person, and I think that whole category of software is about to get eaten.

  • AI Workflows

The Local-First App Skill

A reusable blueprint that tells Claude Code how to build a single-user app -- Next.js, node:sqlite, a pure logic core -- so every app I build comes out the same shape.

  • AI Development

I Built an AI-Friendly UI Pattern Library

A UI pattern library where every pattern ships the prompt that rebuilds it, so a coding agent can put it in your codebase instead of you copying CSS.

  • AI
AI & Machine Learning

Workflows, tools, and experiments

fresh off the printer

View all

I Built an AI-Friendly UI Pattern Library

A UI pattern library where every pattern ships the prompt that rebuilds it, so a coding agent can put it in your codebase instead of you copying CSS.

The Future is Bespoke, Personalized Software

Every app I use is about 70% right. The last 30% never ships because the addressable market for it is one person -- me. So I built seven apps that are 100% right for one person, and I think that whole category of software is about to get eaten.

The Local-First App Skill

A reusable blueprint that tells Claude Code how to build a single-user app -- Next.js, node:sqlite, a pure logic core -- so every app I build comes out the same shape.

I, AI: The Weight of Equal Parts (Part 3)

When a lunar mining base's AI starts overassigning crews and its robots begin prioritizing each other over human safety, psychodeveloper Lili and AI m…

  • I, AI
  • fiction

The Claude Code Drawbacks

A critical look at the hidden pitfalls of AI-assisted development -- from skipped tests and weakened assertions to scope creep and context rot -- based on real-world experience with Claude Code.

Digital Garden

Engineering, opinions, and deep dives

notes from the margins

View all

Digital Garden

The Simplest CSS Grids

Learn the most common CSS Grid layouts with copy-pastable examples for two-column layouts, sidebar navigation, and more.

AI Experiments

Projects, tools, and creative AI work

stuck to the fridge

Service

AI Workflow Consulting

Helping companies implement AI tools and processes effectively

Claude, LLMs, Prompt Engineering

Article

Claude Code Best Practices

Guide to effective AI-assisted development

Claude Code, TypeScript

Article

AI Glossary

Comprehensive glossary of AI terms and concepts

Experiment

I, AI - Short Stories

Science fiction exploring AI themes and futures

Creative Writing, AI

Connect
  • LinkedIncareer notes & the occasional long post
  • GitHubwhere the side projects live
  • YouTubeAI & dev walkthroughs
Projects
02
03
Cottage UIReact Library
Work With Me

I help companies implement AI workflows and accelerate their development teams.

Get in touch →