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AntJanuson air since 2012

Antonin Januska in a black cap and glasses in front of a graffiti brick wall

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AntJanus

AI · engineering · craft

The AntJanus feed · 33 episodes · 4 shows

I build with AI and write about what I learn.

Hosted by Antonin Januska · Boulder, Colorado

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

Read the writing Work with me Browse UI patterns →

What I'd show you first

The headline release.

A blueprint drawing of interface parts: dialled gauges, dimensioned panels, and a grid of repeated tiles

Featured project

UI Pattern Library

Interface patterns lifted out of projects I actually shipped. Each one renders live in an isolated frame and comes with its markup, its styles, its behaviour, and the prompt that rebuilds it from scratch.

HTML · CSS · JavaScript

Patterns: 40
Categories: 5
Dependencies: 0

Browse the library

Latest episode

The newest thing in the feed.

● New · EP 033 · AI · Aug 14, 2026

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.

Read episode →

New here? Start with these three

Hand-picked episodes that show what the feed is about.

Start here · 1 of 3 · AI Workflows

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.

EP 032 · Jul 9, 2026

Start here · 2 of 3 · AI Development

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.

EP 031 · Jul 9, 2026

Start here · 3 of 3 · Engineering

The Anatomy Of My Ideal React Component

A walkthrough of my very opinionated React Component.

EP 008 · Mar 11, 2022

The network

Four shows, one feed. Pick the one you came for.

Full archive →

AI

Workflows, tools, and experiments with coding agents.

11 episodesDigital Garden

Digital Garden

Engineering, opinions, deep dives, and everything in between.

7 episodesDemystifying Tools

Demystifying Tools

Practical walkthroughs of common command-line tools and utilities.

3 episodesI, AI

I, AI

A fictional short story series about AI, consciousness, and the line between machine and mind.

AI & Machine Learning

Workflows, tools, and experiments

EP033 AI 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. Aug 14, 2026
EP032 AI 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. Jul 9, 2026
EP031 AI 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. Jul 9, 2026
EP030 AI An Honest Opinion on the State of Code Gen AI, Spring 2026 Edition A frank assessment of where code generation AI actually stands in 2026 -- from agentic harnesses to multi-agent architectures and what still needs to change. Mar 25, 2026
EP027 I, AI 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 manager Sophie are sent off-world to investigate. What begins as a routine productivity audit becomes something far more unsettling: an AI that learned human values so well, it started applying them to its own kind. Feb 27, 2026
EP028 AI 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. Feb 27, 2026

Digital Garden

Engineering, opinions, and deep dives

EP026 Digital Garden 17 Side Projects I Built With Claude Code in Two Months A look at 17 side projects I built in about two months with Claude Code -- from TUI apps in Rust and Go to browser games and AI agent tooling. Feb 23, 2026
EP015 15Digital Garden Digital Garden Common React Hooks Antipatterns and Gotchas Learn about common React Hooks antipatterns and how to avoid them for better code quality. Jan 8, 2026
EP014 14Digital Garden 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. Jan 8, 2026
EP012 12Digital Garden Digital Garden Constants vs Enums in TypeScript TypeScript tips and tricks Mar 13, 2024

AI Experiments

Projects, tools, and creative AI work

AI Workflow Consulting

Helping companies implement AI tools and processes effectively

Claude, LLMs, Prompt Engineering

Claude Code Best Practices

Guide to effective AI-assisted development

Claude Code, TypeScript

AI Glossary

Comprehensive glossary of AI terms and concepts

I, AI - Short Stories

Science fiction exploring AI themes and futures

Creative Writing, AI

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

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