Codex Cli Specialist

If you're juggling skills between Claude Code and OpenAI's Codex CLI, this handles the conversion grunt work. It parses SKILL.md frontmatter and generates the agents/openai.yaml config Codex expects, runs 17 compatibility checks across both platforms, and builds skills-index.json manifests for registry systems. The cross-platform validator catches the obvious gotchas like missing metadata or broken script paths. It's narrow in scope but solves a real problem if you're maintaining skills for both environments. The conversion isn't perfect out of the box, you'll still need to review the generated instructions and tool definitions, but it beats rewriting everything by hand.

skills.sh installs: 130
GitHub stars: 1.1K
last updated: Aug 21, 2026

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Install

$ npx -y skills add borghei/claude-skills --skill codex-cli-specialist --agent claude-code

Installs into .claude/skills of the current project.

Files

Codex CLI Specialist

The agent converts Claude Code skills to Codex-compatible format, validates cross-platform compatibility, and builds skill registry manifests. It generates agents/openai.yaml configurations from SKILL.md frontmatter, runs up to 21 compatibility checks across both platforms, and produces skills-index.json for discovery systems.