A claude code skill to delegate prompts to codex
# Add to your Claude Code skills
git clone https://github.com/skills-directory/skill-codexNote: If you want a more autonomous setup for agentic workflows, check out klaudworks/ralph-meets-rex.
Enable Claude Code to invoke the Codex CLI (codex exec and session resumes) for automated code analysis, refactoring, and editing workflows.
codex CLI installed and available on PATH.codex --version; resolve any errors before using the skill.This repository is structured as a Claude Code Plugin with a marketplace. You can install it as a plugin (recommended) or extract it as a standalone skill.
Install via Claude Code's plugin system for automatic updates:
/plugin marketplace add skills-directory/skill-codex
/plugin install skill-codex@skill-codex
Extract the skill folder manually:
git clone --depth 1 git@github.com:skills-directory/skill-codex.git /tmp/skills-temp && \
mkdir -p ~/.claude/skills && \
cp -r /tmp/skills-temp/plugins/skill-codex/skills/codex ~/.claude/skills/codex && \
rm -rf /tmp/skills-temp
By default, this skill suppresses thinking tokens (stderr output) using 2>/dev/null to avoid bloating Claude Code's context window. If you want to see the thinking tokens for debugging or insight into Codex's reasoning process, explicitly ask Claude to show them.
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User prompt:
Use codex to analyze this repository and suggest improvements for my claude code skill.
Claude Code response: Claude will activate the Codex skill and:
gpt-5.4, gpt-5.3-codex-spark, or gpt-5.3-codex) unless already specified in your prompt.low, medium, or high) unless already specified in your prompt.read-only for analysis)codex exec -m gpt-5.3-codex-spark \
--config model_reasoning_effort="high" \
--sandbox read-only \
--full-auto \
--skip-git-repo-check \
"Analyze this Claude Code skill repository comprehensively..." 2>/dev/null
Result: Claude will summarize the Codex analysis output, highlighting key suggestions and asking if you'd like to continue with follow-up actions.
See plugins/skill-codex/skills/codex/SKILL.md for complete operational instructions, CLI options, and workflow guidance.