How to Build AI Agents: 16 Proven Lessons from 70 Real-World Projects

70 AI Agents, 2 Years, 16 Lessons “ A plain-language playbook for anyone who wants to ship useful AI companions—without the hype Why spend ten minutes here? Over the past two years I have delivered more than seventy AI agents to paying clients. Some agents now sit next to sales reps and replay their calls; others sit next to teachers and draft lesson plans; one even acts like a junior consultant and writes entire business proposals. I kept notes every time something broke at 2 a.m. or a user sent an angry e-mail. Those notes became sixteen lessons. This post …