René Zander

Ready to take AI into production?
renezander.com

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I told a founder to get listed on the review sites. Her report showed AI was citing her competitors' homepages.

I built a startup-idea scanner. It just told me none of my 3,400 ideas are easy wins.

The thing that kills AI pilots is not accuracy.

The thing that kills AI pilots is not accuracy.

I'm validating a B2B idea and want honest reactions.

I spent months building a reliability layer for LLM applications — but I'm still trying to understand if I'm solving the right problem

Two sharp readers found security flaws in our product in the same week. We are grateful.

We're debating the next feature for StateGuard. Would you trust this?

My AI agent leaked my API key — so I built the guardrail and launched it on Product Hunt today

Built a tool that catches when AI agents quietly get worse — looking for 2-3 people to try it free

I built an AI that roasts landing pages for CRO — before I build more, tear the feature set apart

I spent 3 weeks wiring Stripe + auth + LLM routing. Here's what indie hackers should skip.

What 100B+ Claude tokens actually look like inside a tiny company

I scored my own startup with my own product. It gave me a 34/100 AI Leverage Score™. I shipped the 34.

Most AI browsers hide what the agent is doing. I wanted to see it happen live, and run it locally. So I built one.

I built an AI that answers support questions. Founders still hated it. Here's what I learned.

How Not to Startup / The AI Business Partner Trap

The hard part of delegating to an AI agent is knowing what evidence would let you trust the stop point

I'm validating a B2B idea and want honest reactions.

I built a digital product automation system,but keeping everything connected was the real challenge