Codex Blog
WORKFLOW.md: Version-Controlling Your Agent's Behaviour
Symphony's dual-purpose config+prompt file pattern: YAML front matter defines runtime orchestration settings, Markdown body becomes the Jinja prompt template. Agent policy as a versioned repo artifact.
What Is Codex CLI? A Short History of AI-Assisted Coding
Using Claude Code and Codex Together: The Multi-Tool Strategy
Staying Engaged with Your Codebase in an Agentic World
Skills as Progressive Disclosure: Architecture Differences Between Skills and MCP
Security Hardening Your Codex CLI Setup
Reasoning Effort Tuning: Minimal to xhigh for Cost and Speed
The Proof of Work Principle: Why Agents Need to Show Their Working
Planning Mode in Practice: When to Use It and When to Skip It
The Personality Difference: Claude Code as Explorer, Codex as Executor
Why asking 'which AI coding agent is better?' is the wrong question — and how understanding their personality differences will make you more effective with both.