Aman Mittal 2/13/2026

Running headless Codex CLI inside Claude Code

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This technical article details how to integrate the headless, non-interactive mode of the Codex CLI into the Claude Code environment by creating a custom Skill. It explains the Skill's structure as a markdown file, demonstrates its use for code review, refactoring, and editing, and shows how to use built-in tools like AskUserQuestion to configure model and reasoning level options interactively.

Running headless Codex CLI inside Claude Code

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