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#5Marketplaces & data· launched Oct 2025

TrustMRR

A startup leaderboard where every revenue number is verified straight from Stripe.

Visit trustmrr.com

What it is

Founders connect a read-only payment-provider key and TrustMRR shows their real revenue. It grew from a leaderboard into a marketplace for buying and selling small startups, earning from ad spots and a fee on sales.

How it was built with AI

Marc Lou says he opened Cursor, asked it to build a place where founders verify revenue with a read-only key, and had a working leaderboard six hours later. He calls the project vibe-coded.

  • Cursor

Traction

Self-reported

Just over $300,000 in revenue plus about $30,000 in acquisition fees in its first nine months

As of Sep 1, 2026. Stated by the founder or the tool maker. Not independently verified. Read the source

Sources

  1. I vibe-coded $330K in 9 monthsMarc Lou newsletter · Sep 1, 2026 · checked Oct 20, 2026
  2. TrustMRR caseShipped & Paid · checked Oct 20, 2026