
RainbowCity is a philosophy community for people facing the existential anxiety of staying human in the age of algorithms and AI. Through philosophy and Cognitive OS practice, we rebuild human subjecthood—judgment, voice, responsibility, and meaning.
| Platform | Pricing | Freemium | Publishes | Daily | |
|---|---|---|---|---|---|
| Issues | 35 | Founded | 3 years ago | Last Issue | 2 days ago |
| Active | |||||

Hi, I’m KunYuan. I’m glad you’re reading this.
Starting today, I will be publishing a series of essays on AGI and gradually laying out our path to AGI in public. Through this series, I also want to show why a little-known team from Singapo...
Rebuilding Our Cognitive OS · 04
In the previous piece, I tried for the first time to look backward from a choice that had already been made. The final “I said yes” is easy to see. But when I trace the process further back, I begin to noti...
Keep Judgment in the Loop · 02
Hi, I’m KunYuan.
Essay 32 | Philosophy in Practice Rebuilding Our Cognitive OS · 03
In the previous essay, I spent some time trying to make the idea of a Personal Cognitive OS genuinely clear. For me, it is not a program hidden somewhere in the brain, nor...
Hi, I’m KunYuan.
Over the past two weeks, I have spent most of my time doing one thing: refining The Author of Your Life.
The main body of the book was already written, but once I entered the final stage of refinement, I realized how much...
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The writers behind this newsletter.
I’m an AI builder and researcher in Singapore, working on AI risk, safety, governance, and the philosophy of human subjecthood. Building RainbowCity — a community for rebuilding our Cognitive OS in the age of algorithms and AI.
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