Codex Knowledge Base
Codex Plugin Discovery: @Mentions, the In-TUI Browser and Marketplace Navigation
On 26 March 2026, Codex v0.117.0 shipped plugins as a first-class workflow. Skills, MCP server configurations and third-party app integrations — previously.
The Official Codex GitHub Action: Inputs, Outputs and Safe Use on Fork PRs
The openai/codex-action@v1 GitHub Action brings Codex's agentic capabilities into your CI/CD pipelines without requiring manual CLI installation or proxy.
codex exec JSONL Reference: Every Event Type and the Complete Output Schema
The codex exec subcommand is the gateway to running Codex CLI in scripts, pipelines, and automation workflows.
Codex Enterprise Compliance: Audit Logs, Team Cost Budgets and the Admin Dashboard
Running Codex CLI across a fifty-person engineering department is a different proposition from a solo developer experimenting in a side project. Regulated.
Mastering the Codex Desktop App: Automations, Triggers and the Review Queue
The Codex Desktop app, launched on 2 February 2026 for macOS, is not simply a GUI wrapper around the CLI. It is a purpose-built command centre for running.
Codex Cloud Task Application: From Slack Dispatch to Reviewed Diff Merge
Codex cloud transforms OpenAI's coding agent from a local terminal companion into an asynchronous task engine. You dispatch work — from the CLI, a Slack.
Codex CLI TUI Shortcuts and Slash Commands: The Complete Reference
Codex CLI's full-screen terminal UI (TUI) is where most interactive work happens. Beneath the chat-style composer sits a dense set of keyboard shortcuts.
Codex CLI Performance Optimisation: Token Overhead, Hidden Costs and Tuning Tactics
Every Codex CLI session burns tokens. Most developers have a rough sense of the cost—prompts in, completions out—but the reality is more nuanced. System.
Codex CLI Memory Internals: Pipelines, Secret Sanitisation and Intelligent Forgetting
Codex CLI's memory subsystem is considerably more sophisticated than a flat file of saved notes. Beneath the /m_update slash command sits a multi-phase.
The Codex CLI JavaScript REPL: Stateful Scripting Inside Your Agent Session
The Codex CLI's shell execution model is stateless by design — each shell tool call spins up a fresh process, runs a command, and tears down. That works.