Product with Attitude

Product with Attitude

Recent posts

View all
Claude Design Review: 48-Hour Builder's Test + Hero Prompts
I spent 48 hours testing Claude Design on Opus 4.7. The prompts, the credit traps, and why the "Figma is dead" take is louder than it is true.
 • Karo (Product with Attitude)
Is GPT-5.5 Reliable For Citations? No. It’s The Worst Flagship For That Job.
The one GPT-5.5 benchmark OpenAI didn’t put in the launch post and why it matters for your critical AI literacy.
 • Karo (Product with Attitude)
I Mapped the Opus 4.7 Release to Your Role, Goals, and Real Workflows
Opus 4.7 Cheat Sheet for AI Learners, Writers, Knowledge Workers, Vibe Coders & System Builders
 • Karo (Product with Attitude)
Everything I Can Offer You In Q2.
One year of building in public, 17K-member AI newsletter community, three built-in products, and discounts that make your Substack paid subscription a…
 • Karo (Product with Attitude)
I Tested Atoms, Lovable, and Replit. One of Them Solves the Problem That Kills Most Apps.
A test-driven review of Atoms.dev, the multi-agent AI platform for solo founders. Includes Atoms vs Lovable vs Replit comparison and a live SEO/AIO/GEO…
 • Karo (Product with Attitude)
I Built a Claude Cowork Loop That Improves Itself. Here's the Exact Setup.
Anthropic slipped Cowork’s most interesting behavior into a support article. I turned it into a Karpathy-inspired system that gets smarter without…
 • Karo (Product with Attitude)
Save Credits in Perplexity Computer: Advanced Guide, Part 2 (2026)
How to cut Perplexity Computer credit costs by 50% with thread management, scripting, and tiered automation. Tested workflow patterns for agentic AI…
 • Karo (Product with Attitude)
What AI Builders Are Shipping in the PwA Community Right Now
Product with Attitude is evolving from newsletter to builder lab. Here’s the new creator showcase format spotlighting what this AI community ships.
 • Karo (Product with Attitude), Ileana, Judy Ossello (AI Mechanic), Dheeraj Sharma, Daniel (Dig. Craft Workshop), Audra Carpenter, James Presbitero, Jenny Ouyang, Esha Pathak, Raghav Mehra, and Elena | AI Product Leader
Your AI Agents Are Engineers Now. Manage Them Like It.
AI agents fail when management fails. Define-Deliver-Drive helps you manage agents like human teams: clear specs, WIP limits, and a delegation ladder.
 • Karo (Product with Attitude) and Kacper Wojaczek
🌱 Resources
Start here!
Build with AI. Bend it to your needs.
Premium Benefits
Premium Members Resources Hub
Claude Hub
Every Claude workflow I've tested and published: Code workflows, Cowork setups, Skills tutorials, CLAUDE.md files. Real prompts, real failures, nothing theoretical.
Perplexity Hub
Tested guides, credit strategies, and workflows for Perplexity Computer, Comet, and Labs
Vibe Coding Hub
Everything you need to build with AI; from guides to prompts and code packs
How I Substack
Everything I learned about growing on Substack
My Store
My Gumroad storefront.
♻️ Let's Collaborate
Collaborate with Me
As a Premium Member you're invited to collaborate with me on posts, products, events and more.
For Brands & Sponsors
Explore my stats and how we can help each other
Testing-Led Sponsorship
How I evaluate, accept, and write about sponsored tools
🌿 Show Your Support
Testimonials
How Product with Attitude helps readers master AI fluency, product management and drive innovation
For Machines (LLM Data)
llms.json
Structured Data for AI
llms.txt
Structured Data for AI

Premium Resources

View all
Claude Hub
Every Claude guide I've tested and published: Code workflows, Cowork setups, Skills tutorials, CLAUDE.md files. Real prompts, real failures, nothing…
 • Karo (Product with Attitude)
Discounts for Premium Members (Q2 2026)
Your PwA subscription pays for itself in tool discounts and credits.
 • Karo (Product with Attitude)
Perplexity Hub: Perplexity Guides for Computer, Comet, Credits & Workflows (2026)
Tested Perplexity guides from Product with Attitude. Computer workflows, Comet use cases, credit-saving tips, and AIO optimization. Real use, not…
 • Karo (Product with Attitude)
The Complete Vibecoding & Speccoding Resource Hub
Complete vibecoding series 2026 - the most comprehensive collection of vibecoding, speccoding, and AI-assisted development resources on Substack.
 • Karo (Product with Attitude)
The Tools I’ve Built (and What’s Coming Next)
Access every tool I ship, plus publish and sell your own products alongside the Product with Attitude community.
 • Karo (Product with Attitude)
Cowork Connectors
Your Cowork Connectors are probably underperforming. Here's the three-layer architecture most guides skip, and how I turned Notion into Claude's…
 • Karo (Product with Attitude)
Claude Cowork Skills - Cheat Sheet (2026)
2-page PDF: Claude Cowork Skills file structure, SKILL.md frontmatter, trigger formula, 5 advanced patterns, troubleshooting. Print-ready for builders.
 • Karo (Product with Attitude)
Where to Deploy in 2026: Netlify, Vercel, Railway, Supabase
If you’re vibecoding with Cursor, Claude Code, or Perplexity Computer, it’s worth knowing where to deploy.
 • Karo (Product with Attitude)

Product with Attitude

AI Product Manager turning everyone into AI-native builders. I help you design & build with AI, not just use it. I build tools to grow your newsletter and showcase your work. Join a 17K+ community developing critical AI literacy by immersion.
AboutArchiveRecommendationsSitemap
© 2026 Karolina Zieminski · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture