Antonin Januska · Boulder, Colorado

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
2012Blogging since
Antonin in a black cap and glasses in front of a graffiti brick wall
FR.00 — Boulder, CO
01

Start here

All writing →

Three pieces that explain how I work. Pick one: the frame you click becomes the page.

04

AI Experiments

Projects, tools, and creative AI work

Frame 03 · Workbench

Things I've built

Open source, side projects, AI experiments, and creative work

A hand-drawn blueprint sketch of a workstation
02

Open Source

GitHub profile →

Public repositories on GitHub

More open source

03

Side Projects

Read the full story →

Built with Claude Code

SP.01Rust, ratatui

Start TUI

Terminal start menu with ranger-style three-column layout, vim-style navigation, auto-categorization of tools, and a built-in database of 134 CLI apps.

SP.02Go, Bubbletea

Boil TUI

Terminal game library manager -- basically Steam for your terminal games. Auto-discovers CLI games installed on your system and gives you a TUI to browse and launch them.

SP.03Go, Bubbletea

Media Picker

Cable TV guide TUI that mimics the classic Comcast channel guide. Fetches info from OMDb for TV shows and movies, creates random channels and schedules.

SP.04Browser, 3D

3D Fantasy RPG

3D RPG built with one of my kids. Features wave system, random item drops, shops, galaxy mode with different monsters, and a mech mode.

SP.05HTML, Browser

Fishing Game

Browser fishing game inspired by Cat Goes Fishing, built with a kid. Everything runs from a single .html file.

SP.06CLI, Markdown

Todos CLI

CLI todo manager using markdown files for storage. Works via TUI or simple commands. Has a SKILL.md that lets Claude Code check and update todos.

SP.07Utility

Banner Maker

Tool for creating article banners with real tool output in the background and article name overlay.

SP.08Inter-process

Agent IPC

IPC protocol for inter-agent communication. Allowed running one Claude instance in a repo and communicating with another via channel-based chat.

SP.09Next.js, Pyodide, Sandpack

Interactive Learning App

Learning platform with quizzes, code challenges, Mermaid diagrams, and progress tracking. Runs Python via Pyodide and JavaScript via Sandpack in the browser.

SP.10Full-stack

Content Creation Suite

Content management suite with two implementations -- CLI/full-stack version and client-only web version. Hub-and-spoke content strategy for AI/tech content.

SP.11React, APIs

Dashboard

Personalized dashboard with resizeable widgets, GitHub/Jira API integration, and Ollama chat.

SP.12SvelteKit, MDSvex

Blog "2024"

This blog. Auto-discovered articles, content negotiation for markdown API.

SP.13Astro

Personal Blog

Legacy blog rewritten from unknown framework to modern Astro.

Work With Me

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

Get in touch →