Build in public.
Three series. Every week.

Building an AI-powered system monitor in public since 2025, documented as it happens. Real numbers, real bugs, real decisions. No retrospective polish.

Marcin Firmuga — My Story
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published series
96hck_GPT intents
★ New · Now on the Microsoft Store

From a Warehouse Floor to the Microsoft Store

A year ago I scanned barcodes and coded every night because I was afraid of disappearing. Today PC Workman is on the Microsoft Store — permanently. The whole story, and the math underneath it.

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★ Featured · The story behind 1.8.0

The Man Who Got Himself Back

Fired three days before Christmas. A 2014 laptop at 94°C. Built after the welding shift. I taught a program to remember your machine — and spent the same year getting myself back. The release note and the confession.

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Prefer the technical release notes? → 1.8.0 — The Release That Remembers

The series
Monday

Grind Blueprint

The week's plan, announced publicly before the work starts. A commitment you can't quietly walk back.

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Wednesday

Code Autopsy

One bug or feature on the table: root cause, dead ends, the actual fix. Code included.

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Friday

Shipped & Scarred

Monday's plan vs Friday's reality. What shipped, what died, what scars remain.

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Latest posts
Long reads
THE STORYfull journey

From warehouse night shifts to a homemade AI

A 2014 laptop at 94°C, a firing on December 22nd, and the monitor that came out of it.

PROFILEabout the author

Who builds PC Workman

Marcin Firmuga — solo developer, HCK_Labs. The person behind every commit.

MF

Marcin Firmuga

Solo developer · founder of HCK_Labs · builds PC Workman in public

Every post in these series is written by me, from the actual commits of that week. New editions land on LinkedIn and dev.to first — the archive lives here.