Support colleague: "Customer isn't getting certain emails, can you check?"
Pasted her message into Codex CLI, right in the email service source directory. 5 minutes later it explained why
the system behaves exactly as designed — no bug.
Then asked it to draft a support reply a non-technical person can understand.
AI coding agents aren't just for writing code. They're incredibly fast at understanding existing codebases and
translating technical behavior into human language.
