Not tutorial-level. Not "10 tips." How an operator actually runs Claude Code, Codex CLI, or Gemini CLI — dispatch judgment, model routing, context economy, and risk gates, extracted and written down.
For developers who've moved past copy-pasting prompts and want to run Claude Code like an operator, not a hobbyist.
For developers who've moved past copy-pasting prompts and want to run Codex CLI like an operator, not a hobbyist.
For developers who've moved past copy-pasting prompts and want to run Gemini CLI like an operator, not a hobbyist.
Each edition cross-sells the other two at 20% off during checkout — buy the one you use today, add the rest when you need them.