Codex Knowledge Base
Fast Books: What AI-Enabled Publishing Can Learn from Fast Fashion and Fast Software
In 1989, Zara opened its first store outside Spain. Its secret weapon was not design flair but supply-chain speed: a dress could move from sketch to shop.
Codex CLI State of Play — May 2026
Codex CLI is at v0.129.0 (stable, 7 May 2026) with v0.130.0-alpha.5 in pre-release.
Codex CLI Plugin Marketplace: Remote Installation, Workspace Sharing, and Bundled Hooks
Codex CLI v0.129 shipped comprehensive plugin management, turning the /plugins command into a full marketplace browser. This article covers how plugin.
Codex CLI Permission Profiles: Built-in Sandbox Modes, Custom Profiles, and the Two-Layer Security Model
Codex CLI implements a two-layer security model: sandbox enforcement controls what the agent can technically do.
codex update: Self-Updating the CLI Without Remembering Your Package Manager
Codex CLI now ships a built-in codex update command that detects the installation method and applies updates automatically.
Codex CLI Deletes Function-Style apply_patch: Freeform Is Now the Only Way
PR #21651, merged on 8 May 2026, removes the JSON/function-style apply_patch tool entirely. Freeform is now the sole supported invocation path.
ProgramBench and the Zero-Percent Problem: What a Cleanroom Benchmark Reveals About Architectural Reasoning in Codex CLI
On 5 May 2026, researchers from Meta Superintelligence Labs, Stanford, and Harvard published ProgramBench.
The MCP STDIO Remote Code Execution Flaw: 200,000 Vulnerable Servers and How Codex CLI's Layered Defences Respond
In April 2026, OX Security disclosed an architectural flaw at the heart of Anthropic's Model Context Protocol that enables arbitrary command execution on any.
Vim Modal Editing in the Codex CLI Composer: Configuration, Keymaps, and Terminal-Native Workflows
Codex CLI v0.129.0 shipped a feature that terminal-native developers have been requesting since the project's earliest days.
Codex CLI v0.129 Session Workflow Upgrades: The Redesigned Resume Picker, Raw Scrollback, and Workspace-Aware /diff
Codex CLI v0.129.0, released on 7 May 2026, is a feature-dense release spanning Vim editing, plugin marketplace upgrades, and compaction hooks. Buried.