Developing with AI Agents — Codex, Claude Code & Cowork Practical Guide

Japanese Edition
https://daisuke.masuda.tokyo/article-2026-06-19-1822

This presentation is a practical guide to AI agent development using Codex, Claude Code, and Claude Cowork. It explores the paradigm shift from basic code generation to delegating tasks like research, implementation, testing, and review. Highlighting the strengths of each tool, it provides engineers with 8 essential principles, concrete prompt examples, and security best practices to successfully integrate AI agents into team workflows.

Transcript