描述
This skill should be used when the user asks to "set up Codex CLI", "convert skills for Codex", "write cross-platform AI skills", "configure agents/openai.yaml", "build skills index", "validate skill compatibility", "sync skills between Claude Code and Codex", or "optimize Codex CLI workflows". Use for OpenAI Codex CLI mastery, cross-platform skill authoring, skill conversion, and multi-agent compatibility patterns.