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

Boulder, Colorado.

Hello. Take your time.

I build with AI and write about what I learn.

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

20+ years building · 600+ GitHub stars · blogging since 2012

One thingif you only read one

AI Workflows · July 9, 2026

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.

Read it when you have a quiet moment

Two morewhen there's more time

When you have more time

  • AI Development July 9, 2026

    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 August 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.

Latelyone of each kind, newest first

Lately

  • Essay · AI August 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.

  • Tool guide March 12, 2026

    Demystifying awk

    A practical introduction to awk for printing fields, filtering rows, formatting output, and writing useful one-liners.

  • Fiction February 27, 2026

    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.

  • Digital Garden February 23, 2026

    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.

Everything else is on the writing page, listed once. The list ends when it ends.

Made thingsthree worth your time

Things I've made

  • Featured project

    UI Pattern Library

    Interface patterns lifted out of projects I actually shipped, each with the prompt that rebuilds it from scratch. 40 patterns, 0 dependencies.

  • Open source 680+ stars

    Programmer's Proverbs

    A collection of proverbs from the programmer. Went viral with hundreds of stars and contributions from the community.

  • Open source

    cc-dash

    A dashboard and Model Context Protocol server for a project portfolio whose entire state lives in markdown files. No database: the files are the source of truth, and git is the audit log.

All the projects, one at a time

Work with me

Work with me

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

AI workflow audits, implementation sprints, and leadership advisory. Small engagements, measured in weeks.

That's the whole page.

No feed below this line. New posts arrive by letter, only when I publish.