Codex CLI

Everything Fervor AI has published that touches Codex CLI — 5 pieces, newest first.

• Codex CLI Now Keeps Running After You Close It. Here's How to Check.

  Codex CLI 0.157.0 turned an interactive coding agent into a resident background service that outlives its terminal and updates itself, so builders should treat agent…

• Briefing · October 13, 2026 · morning

  The morning's sharpest AI stories are about software that keeps running where nobody is looking, from a Codex CLI daemon that outlives its terminal and updates itself to…

• Briefing · September 25, 2026 · morning

  Four vendors moved the agent's boundary out of files the agent's own workspace can edit and into the network and the identity provider, on the same day a benchmark…

• HarnessTax Says Your Coding Agent Harness Costs 2x for 2 Points, and the Bill Starts on the First Call

  Harness choice is a cost decision that has been sold as a feature decision, and HarnessTax shows the cheapest place to measure it is the size of the very first model…

• Briefing · September 2, 2026 · morning

  This week's announcements all describe machinery that sits between an agent's decision and the action landing, moving the safety boundary from a property of the weights…