How I Built a Star Wars Grogu Product Research Agent with Codex, Lark, and SerpApi (opens in new tab)

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,