Holen Ventures

A practical guide to evals for small teams shipping AI features without a QA process.

What are the implications when your AI infrastructure is controlled by a foreign power?

A plain-language explanation of the architecture behind every major LLM, from attention to training to the questions nobody can answer yet.

I rebuilt my marketing agent from Anthropic's Managed Agents API into a visual n8n workflow.

The startup system is built to produce one unicorn.

Every product instinct says remove friction.

AI compressed building from months to hours, but measuring whether anyone wants what you built still takes weeks.

I ran 20 identical tests changing only one variable — task vs goal framing.

On super ICs, Brooks's law, and where one person and AI beats a team.

I spent a weekend testing local AI models to see if I could work without cloud APIs.

Why some agent-native tools are homeruns, why others barely work, and what it means if you're building one.

Forget productivity.

I built an AI pipeline that pulls from 100 sources every morning, runs everything through Claude, and posts a curated brief to Slack.

The market for simple desktop tools has always been built on an 80/20 compromise.

The indie founder ecosystem is full of tools that promise to show you what to build next.

Enterprise champions aren't cultivated through account management.

What I'm learning by teaching AI to make videos.

Why good execution is no longer enough.

Delegation, AI, and the blank page problem.

Scaling without losing what made you special.

What happens when your vision gets passed from person to person.

You've forgotten what it's like to be new.

The difference between understanding a framework and owning it.

Stop debating whether ideas will work.

How startups deliver enterprise contracts without becoming consultancies.

Why startups shouldn't worry about technical debt, feature parity, or balance.

How to know what roadmap flexibility you actually have.

Lessons from building for users you'll never meet.

Product discipline from a century-old Cadillac.

Great products win by handling the edge cases others ignore.

How to use conference conversations to quickly test language, customers, and product bets.

Big contracts come with big compromises.