mrban.io

Hi, I'm Changhyuk Ban.
I build the OS. The OS builds everything.

Building AI products in public. A 10-STEP marathon. Everything open.

MRR
$0
Products
1
Users
0
Open stats Follow

Products

AtoZAI

LIVE

Vibe coding platform for Korean domain experts

MRR $00 users

K-Saju

LAUNCHING (Jul 2026)

Korean fortune-telling (Saju) AI for the English-speaking world.

Living Bet

IN PUBLIC

Building AI products in public, one step at a time. Everything open.

About

Solo founder from Korea. Building AI products in public. No VC, no team, no bullshit.

More about me

Weekly Living Bet Update

MRR report, product updates, agent decisions, failures included.