"I Stopped Building a Coding Agent and Built a Supervisor for Codex and Claude Code Instead"

A couple of weeks ago I was about to do what everyone on my timeline was doing: build another coding agent. Read files, run commands, plan steps, loop until done. Then I asked myself the uncomfortable question. Why am I building a worse version of Claude Code and Codex, when both of them are already installed on my machine and work better than anything I can ship this month? So I stopped. And I built the opposite of a coding agent instead. The part I was getting wrong I kept describing the probl