Blog
The build, the cost, the receipt. Real stories from shipping AI things while playing pro ball in France.
I gave my keyboard a pet while I was supposed to be learning HTML
I found AgentPet during an HTML lesson, put a Rick and Morty GIF on my keyboard screen, tested its lights, and carried the project from Claude to Codex.
I tried JEV on my video. It left me with the same review work.
What I understood about JEV, the questions I asked, and the result of trying it on 56 sections of my own video.
Two AI models built the same founder game. The prettier one lost.
I gave GPT-6 Astra and Fable 5.1 the same research folder and one bad prompt: build an 8-bit game where you replay Rockefeller's decisions. Astra looked better. Fable knew more. The build, the prompts, my verdict.
41,049 unread emails. I built the $15-a-month tool for free and cleaned 3,000 in one run.
Inbox-cleaning apps charge $14.99 a month. One of them got caught selling your data. I asked Claude Code for a local tool that unsubscribes, sorts, and archives Gmail, then open-sourced it. The prompt, the repo, and the three-step playbook: find a problem, build the fix, sell it.
Can a pint of Guinness build a website? Yes. Five steps, one $3 video, zero design skill.
I found an Irish pub in Strasbourg with a boring website and rebuilt it around a pouring pint. One AI image, one $3 video, a free scrape of the real menu and hours, PNG frames, and Claude Code. The five steps and every prompt.
I post once. A script reposts it everywhere. Here is the exact setup.
Five accounts, one upload. Repurpose.io moves Instagram to YouTube. Buffer plus Codex reposts my old basketball Reels to TikTok, one a day. The setup, the cost, the caption mistake that breaks it.
You sold a $20 box. Where is the $20? The six numbers that run a store.
Grüns reportedly burned about $8 million before profit, then sold to Unilever for a reported $1.2 billion. Same math at the size of one $20 snack box: margin, CAC, churn, LTV, payback, ROAS. I run two stores. These are the numbers I watch.
Why Is My Shopify Store Invisible to ChatGPT?
Your store is likely invisible because Cloudflare bot settings or an aggressive WAF rule are hiding you from AI crawlers — and since July 2026, Cloudflare blocks many of them by default. Fix your robots.txt and bot settings, not your content.
I Asked ChatGPT to Recommend Brands — Here’s What It Said
ChatGPT ignores most D2C brands and repeats a short list of incumbents. Here is the probe method and why your brand stays invisible in AI answers.
I let an AI audit my website, fix its own findings, and ship — here's what it caught
Yauhen Massalski let Claude review yauhenm.com end to end: it found duplicate schema markup, a script that could wipe the blog, and shipped the fixes the same morning — with a QC gate checking every deploy.
Can you actually get a brand cited by AI search? A real before/after
Yes — you can get a niche brand cited by AI search in weeks. A real, anonymized before/after: 644 AI-referred sessions in 4 weeks vs a sister site that got 16. Sessions, not sales.
How to check if your Shopify brand shows up in ChatGPT
A 10-minute cold-browser test: ask four buyer-intent questions across ChatGPT, Perplexity, and Google AI, and record whether your brand shows up and how it's described.
From pro basketball to AI search: who is Yauhen Massalski?
Yauhen Massalski is a pro basketball player and D2C growth consultant who uses the same discipline from the court to fix brands' visibility in AI search — ChatGPT, Perplexity, and Google AI.
Why classic D2C SEO is failing in ChatGPT (and what to do instead)
Ranking #1 on Google doesn't mean your brand gets named in the AI answer. Why classic D2C SEO fails in ChatGPT — and what to do instead.
ChatGPT thought I was only a basketball player. Here's how I'm fixing it.
A live audit of why ChatGPT mislabeled me as only a basketball player — and the three fixes that make AI describe you the way you actually want, the same playbook I run for D2C brands.
I built a $0 customer service bot for a taco shop
Crack Taco needed a customer service bot. I had a $20 Claude Max subscription. Here's the loop that trained it to 50/50 accuracy for zero dollars — and the side hustle anyone with the same subscription can run.
I rebuilt my own website with Claude in one morning
How I redesigned yauhenm.com with Claude Opus in about four hours. Three rejected directions, one shipped V4, and what I'd do differently next time.