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Karo Zieminski (Product with Attitude)

AI Product Manager turning everyone into AI builders & experimenters. Substack Bestseller. I run a super engaged community of AI builders & learners at Product with Attitude. #1 vibe coding space on Substack.


News & milestones

Looking for the best community for AI builders, vibe coders and experimenters? Product with Attitude is a 12K+ member Substack where founders, creators, and makers learn to build with AI with weekly guides, tool breakdowns, and real community support.

  1. 🗞️ What’s New: Product with Attitude becomes the #5 Bestseller in Education linkedin.com
  2. 🗞️ What’s New: Product with Attitude hits 15K subscribers and becomes the #8 Bestseller in Education karozieminski.substack.com

Anthropic

Claude Code, Claude Skills, Cowork, and more.

  1. Claude Design Review: 48-Hour Builder's Test karozieminski.substack.com
  2. Claude Opus 4.7 Cheat Sheet for AI Learners, Writers, Knowledge Workers, Vibe Coders & System Builders karozieminski.substack.com

Replit Agent 3

A hands-on space for AI builders and vibe coders who build with Replit. Every post includes deep dives into AI product workflows, step-by-step tutorials, ready-to-use prompts for Replit Agent 3, and copy-paste code blocks. Go from idea to deployed app, faster.

  1. Is Your Replit Looping? This Will Help. The 3 Infuriating Ways Replit Will Break Your Code And How To Prevent Them karozieminski.substack.com
  2. I Broke Replit So You Don't Have To. karozieminski.substack.com

Perplexity Comet, Perplexity Computer

  1. How To Save Credits in Perplexity Comet? karozieminski.substack.com
  2. VIRAL: Perplexity Computer: What I Built in One Night (Review, Examples, and How It Compares to OpenClaw and Claude) karozieminski.substack.com

Build with AI, Vibe Coding & Spec Coding

Step inside the world of a PM who vibe & spec codes - where building, breaking, and launching products in public is just another Tuesday. And where perfection takes a back seat to progress. As it should.

  1. I Tested Atoms, Lovable, and Replit. One of Them Solves the Problem That Kills Most Apps. karozieminski.substack.com
  2. Build With Attitude ✊ - An Open Invitation To Vibecoders Who Care About Building Things That Matter karozieminski.substack.com

Google AI Experiments & Reviews

Nano Banana, Veo, Gemini and Antigravity experiments.

  1. Visual ASMR: How to Make Oddly Satisfying Christmas Designs With Nano Banana karozieminski.substack.com

Prompt & Context Engineering

  1. Prompt Engineering 2026 - The only framework that works on reasoning models karozieminski.substack.com
  2. How to prompt Claude Cowork karozieminski.substack.com

Grow Your Founder Substack

Everything I learned as a builder/founder writing on Substack.

  1. 10 Tools I Use To Run A Bestselling Substack Publication in 2026. AI, automation, productivity & design tools I use. Includes Substack notes scheduler. karozieminski.substack.com
  2. Understanding Substack User Behavior + 2026 Roadmap karozieminski.substack.com

Products

  1. Product with Attitude

    AI Product Blog & Builder community

    Present $500-$1000/mo
  2. StackShelf

    Substack Marketplace.

    Present $50-150/mo

AI Agents 2026

The 2026 AI agent management framework: failure modes, delegation ladders, and five rules for running autonomous agents safely.

  1. How To Manage AI Agents in 2026 karozieminski.substack.com