Cofounder.ai

The Founder's Den

Field notes for founders.

Strategy, execution, and lessons from building companies with an AI cofounder.

The Essays

The Solo Founder Tech Stack: Everything You Need to Run Your Business (And the $39 Shortcut)

Every solo founder ends up running the same 8-app stack — CRM, project management, email, calendar, and more. See the full list, then the $39 shortcut that replaces it.

July 13, 2026 · 2 min read

The Research

Fractional Executive Cost vs. AI Cofounder: What Solo Founders Actually Pay (2026)

The C-suite expertise solo founders need has always been priced for companies further along. Here's what it actually costs — and how founders are closing the gap for $39 a month.

July 13, 2026 · 4 min read

The Research

Why Most AI Tools Don't Work for Solo Founders (And What Does)

New JHU Carey Business School research shows founders across four industries hit the same wall with AI tools — not a skill gap, a memory gap.

July 12, 2026 · 4 min read

The Research

Why Solo Founders Keep Hitting the Same Ceiling: A JHU Research Breakdown

A Johns Hopkins research team studied solo founders across four industries. They found the same three structural gaps in every interview.

July 12, 2026 · 5 min read

The Essays

I Built the Cofounder I Never Had

Twenty years of building solo taught me what founders actually need. So I built it.

July 12, 2026 · 4 min read

The Essays

What is Software as a Partner?

A new category for founders who outgrew SaaS — and never had a team to run it for them.

July 8, 2026 · 6 min read

Launch

CoFounder.AI Is Live: The First AI Built to Be a Partner, Not a Product

On June 25, 2026 we opened the doors — to our new Marina Del Rey HQ and to CoFounder.AI itself. A look inside launch day, and the Software-as-a-Partner category we launched.

July 4, 2026 · 2 min read

Zero equity · Zero drama · All execution

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