Codex Knowledge Base
Codex CLI Worktree Lifecycle: App vs CLI Worktree Management
Running multiple Codex agents in parallel is one of the most powerful patterns available to developers today.
Codex CLI v0.120 Release Deep Dive
Codex CLI v0.120.0 landed on 11 April 2026, one day after the feature-heavy v0.119.0 release that brought Realtime V2 voice sessions and richer MCP App.
Biscuit Tokens for Agent Identity: From PR to Production
The companion article on Codex CLI's use_agent_identity feature flag covers the four-PR stack that wires Biscuit tokens into the CLI. This article goes.
Agentmaxxing: Parallel Multi-CLI Orchestration with Codex CLI, Claude Code and Gemini CLI
By April 2026, a new practice has crystallised among senior developers: running multiple AI coding agents from different vendors in parallel, each isolated.
Codex CLI Multi-Agent Orchestration v2: Complete Guide
Codex CLI's multi-agent system lets an orchestrator agent spawn, coordinate, and collect results from multiple subagents. Multi-agent v2 replaces opaque.
Codex App Worktree Lifecycle: Local Environments, Setup Scripts, Handoff, and Automated Cleanup
Worktrees are the backbone of parallel agent work in the Codex Desktop App. Every time you open a new thread, start an automation.
From Codex to GPT-5.4: The Complete History of OpenAI's Code Models
In July 2021, OpenAI published a paper describing a GPT-3 model fine-tuned on 159 gigabytes of Python code from 54 million GitHub repositories. They called.
Squad vs Codex CLI: Multi-Agent Orchestration Compared and Replicated
Brady Gaster's Squad provides multi-agent orchestration on top of GitHub Copilot — a team of specialised agents that live in your repository as plain-text.
Codex CLI's Memory and Reach: #Mentions for Cross-Session Context and Waypoints for Multi-Host Execution
Two draft PRs opened on April 11, 2026 reveal where Codex CLI is heading: deeper memory and wider reach.
The Official Codex Prompting Guide: System Prompts, Personality Modes, and Custom Harness Patterns
OpenAI's Cookbook contains a document that most Codex CLI users never read: the Codex Prompting Guide.