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The newsletter for solo founders building with AI.

In-depth guides to launch your business as a solo founder with AI, then attract customers.

  • Free
  • For solo founders
  • What actually works

From your first prompt to customers who stay.

With AI, anyone can ship a product. What makes the difference is being found by the right people.

What you won't read elsewhere

Three results from tests run for the guides. Nobody else measured them.

2 of 22

Guides ranking for "linkedin post size" whose own preview image met those rules.

Test of 72 public pages, 26 Oct 2026

LinkedIn Post Inspector: What It Fixes and What It Cannot

51%

Share of the ten nearest passages that LanceDB's default index returned, searching 100,000 Wikipedia paragraphs.

Measured with LanceDB 0.40.0, 27 Oct 2026

Local Vector Database: sqlite-vec, LanceDB, Chroma or Qdrant

9 of 9

runs of /code-review at low, medium and high that caught all three planted bugs, taking 8 to 78 seconds each

Test on a public repository, 27 October 2026

Claude Code Review: Four Ways to Get One, Costs and a Test

What I'm building

Contenttosocial logo

Contenttosocial

For SEO and GEO experts: the articles you write for your clients also become their social media posts, sold under your brand every month.

Contenttosocial home page

My essays

You cannot control luck. You can increase the surface area on which it can hit you.

A pivot is usually a second company wearing the first one's name. That is fine: every new attempt widens the surface on which luck can land.

Brands I back

All brands

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The best of the guides and field notes, by email.