OpenAI Codex Desktop Complete Guide — Mastering Skills, Plugins & Automations

Note: This article is a Japanese summary of a ~103-minute video by @DeRonin_ on X. This is the English translation. Original video: https://twitter.com/DeRonin_/status/2048823420977119727 Introduction The OpenAI Codex desktop app is a comprehensive AI agent platform that goes far beyond coding assistance — covering design, document creation, research, and automation. This article summarizes the full 103-minute guide video. Core Features of the Codex Desktop App Here are the key features introduc