2026(4 posts)
Every morning, yesterday's me waits — already organized
Claude Code's JSONL session logs get handed off by a Stop hook to a separate instance, which writes them into personal notes. Wake up in the morning and yesterday's thinking is already sorted.
I Gave AI a Smartphone. It Did Everything a QA Engineer Does.
291 screenshots from full app exploration, fee anomaly detection, 37-axis comparison report auto-generated. A real case of AI replacing observation, judgment, and reporting.
We Made AI Control a Phone 10x Faster
Merged 6 MCP tools into one, replaced coordinate taps with text targeting, added React Native support. Completed a real DeFi bridge in 2 MCP calls.
AI Tool Development Is Fundamentally Different from Building Conventional Services
Design philosophy, testing methodology, and the fundamental differences I discovered while building MCP tools for AI agents.
2025(8 posts)
Digital Finance 3.0 Era: Analysis of Capital Market Transformation Led by RWA and Stablecoins
In the RWA era, 'US Treasury-backed' vs 'Korean Bond-backed', where should Korea stand?
Reflections on the Stages of Jongshim and Self-Constitution
RWA Revolution: Why Wall Street is Going All-In on the 'Single On-Chain Golden Source'
Switching from Claude to Codex
What It Means to Pray for Others
When did the habit of praying for others take root? I was always someone who would act only after carefully considering whether something would benefit me.
Reflections on Tunneling and Reality Checks
Things to consider when you've lost the meaning of life.