This skill enables AI agents to execute structured commands via the Codex CLI for deep code analysis and automated editing. It provides a framework for managing sessions, allowing users to specify reasoning effort and model selection for high-complexity backend tasks.
By automating the execution of codex exec and resume commands, it streamlines large-scale refactoring jobs that require frontier reasoning models to maintain architectural integrity.
Follow the documented setup, then try a first task.
Installs: Installs the complete skill-codex Claude Code plugin from its marketplace, which delegates code-analysis, refactoring, code-review, and editing tasks to the Codex CLI. · Claude Code
In a terminal, confirm that the existing Codex CLI installation works; resolve any reported errors before installing or using the plugin.
codex --version
In a Claude Code session—not a terminal—add the repository's marketplace and then install the skill-codex plugin.
/plugin marketplace add skills-directory/skill-codex /plugin install skill-codex@skill-codex
Installs: Extracts only the repository's standalone `codex` skill folder into Claude Code's user skills directory. · Claude Code
In a terminal, confirm that the existing Codex CLI installation works; resolve any reported errors before installing or using the skill.
codex --version
In a terminal, clone the repository into the documented temporary directory, copy its `codex` skill into Claude Code's user skills directory, and remove the temporary clone.
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
Uses codex
Use codex to analyze this repository and suggest improvements for my claude code skill.
Claude
Codex