Magenta Qin

Prompt Engineering focuses on shaping a model call, while Loop Engineering focuses on what happens after that call: how an agent observes the result, updates its state, chooses the next action, and decides whether to continue. The difference sounds simple. But it is hard to feel until you build something

Cross-border e-commerce sellers often spend hours comparing the same products across different Amazon marketplaces. Prices, reviews, and seller signals vary by country, but the process is still largely manual. I wanted to see how far I could automate it with a small AI agent built using Codex, SerpApi,

Dan Koe is one of those creators who always seems to say the right thing at the right time. His videos consistently resonate around productivity, purpose, self-education, and building a meaningful life. At some point, I started wondering: Is there a repeatable pattern behind his content? Or is it