Codex

Overview

Codex is like Claude Code but its from OpenAI.

• OpenAI Developers - Codex Developers Hub
• Codex GitHub - Official open source repository for the Codex CLI
• How OpenAI Uses Codex - PDF guide on OpenAI's internal usage
• Builders Community - Codex Builders Community
• Codex Cookbook
• Getting Started with Codex - OpenAI Youtube video
• Leveraging Codex in an agent-first world - Humans steer. Agents execute.
• Codex for almost everything - OpenAI article on using Codex across different workflows
• Tips for long-running agents that do real work - Shell + Skills + Compaction
• codex-cli-best-practice - Community repository of Codex CLI best practices, workflows, and setup examples

Subagents

• Codex Subagents - Official OpenAI documentation for creating and using Codex subagents
• Awesome Codex Subagents - Curated GitHub collection of Codex subagents

Skills

Codex can use skills ported from Claude Code, but review them for Claude-specific tool dependencies and replace those with Codex-compatible commands, scripts, or workflows.

• Awesome Codex Skills - Curated GitHub collection of Codex skills, resources, and tools