Architect PARK JUN WOO
Opinion
Why societies clash — and how we might fight less.
Reins Engineering — AI with Reins
Harness engineering is a fence. It keeps the agent from going outside, but doesn't ensure it reaches the destination. Reins Engineering is the reins — steer with deterministic contracts, lock with ratchets, separate decisions from implementation.
Tech
Technology ideas for solving real problems.
Hurl Stops Vibe Coding Drift
Vibe coding collapses into logic drift within three months. CMU, METR, DORA, and Amazon prove it. Declare API contracts in plain text with Hurl and lock them with a ratchet — drift is structurally suppressed without constraining the AI's freedom.
Lecture
Vibe coding scaleup. How non-coders command AI agents.
Class 1. How to Command AI — Vibe Coding Essentials
From installing Claude Code to managing context with CLAUDE.md. How someone who doesn't know code can command AI.