Codex Knowledge Base
Codex as a GitHub Copilot Coding Agent: Assigning Issues and PRs at Scale
OpenAI Codex is no longer just a CLI tool you run locally. As of early 2026, Codex — alongside Claude — is available as a first-class coding agent inside.
Codex CLI in Regulated Environments: HIPAA, SOC 2, and Financial Services
Deploying AI coding agents in healthcare, financial services, or any SOC 2-audited environment introduces obligations that go well beyond performance or.
Codex CLI Personality System: Customising Agent Communication Style
Codex CLI's personality system lets you choose how the agent communicates — from terse and execution-focused to conversational and partner-like.
Codex CLI OpenTelemetry: Observability and Metrics in Production
Codex CLI ships built-in OpenTelemetry support for production observability — traces, logs, and metrics from every agent run.
Codex CLI for Mobile Teams: iOS, Android and Xcode 26.3
On February 3, 2026, Apple released Xcode 26.3 — described by the iOS developer community as the biggest change to how iOS developers write code since.
Working with Images in Codex CLI: Attaching, Inspecting and Generating Visual Assets
Codex CLI began life as a terminal coding agent focused entirely on text: source files, shell commands, test output. The releases shipped across March 2026.
Codex CLI Feature Flags and TUI Tuning: The Hidden Configuration Layer
Most Codex CLI users configure the obvious knobs — model, approval policy, MCP servers — and leave the rest at defaults.
Codex CLI for dbt and Data Engineering Workflows
Data engineering is one of the fastest-growing segments of software development, yet the Codex CLI ecosystem has produced almost no content targeted at data.
Codex CLI Cost Management: Token Strategy, Model Routing and Quota Control
The biggest surprise in Codex deployments isn't the cost of output tokens — it's the accumulated cost of conversation history.
Codex CLI Commit Attribution: Tagging Agent Work with commit_attribution
When Codex writes code and you commit it, who gets credited? Until early 2026, the answer was: nobody notable.