sypsyp97

Skill Codex — Productivity skill for Claude Code

Productivity community Intermediate

Curated skill codex and management.

How to install Skill Codex

This entry records only its repository, not the path inside it, so there is no exact command to give. Open sypsyp97/claude-skill-codex and copy the folder into ~/.claude/skills/, or the file into ~/.claude/agents/.

What Skill Codex does

Teach Claude Code how to invoke OpenAI's Codex CLI for advanced code analysis, refactoring, and automated editing.

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README

Codex Skill for Claude Code

Teach Claude Code how to invoke OpenAI's Codex CLI for advanced code analysis, refactoring, and automated editing.

A [Claude Code skill](https://docs.claude.com/en/docs/agents-and-tools/agent-skills/overview) that enables Claude to leverage OpenAI Codex CLI's advanced reasoning models for code reviews, refactoring, security audits, architecture analysis, and automated transformations.

Overview

This filesystem-based skill automatically activates when you mention Codex-related tasks. Simply ask Claude to review or refactor your code, and it will:

Select gpt-5.4 model and optimal reasoning effort
Execute Codex CLI with appropriate parameters and sandbox settings
Handle session resume, error recovery, and multi-step workflows
Summarize results and suggest next steps

Prerequisites

Before installing this skill:

Codex CLI installed: The codex command must be available on your PATH
Codex configured: Valid credentials in ~/.codex/config.toml
Verify installation: Run codex --version to confirm setup

If you don't have Codex installed, see the [Codex CLI documentation](https://developers.openai.com/codex/cli/reference).

Installation

Clone and copy the skill to your `.claude/skills` directory:

**Personal Installation (all projects):**

# Unix/Linux/macOS
git clone --depth 1 https://github.com/sypsyp97/claude-skill-codex.git /tmp/codex-skill && \
mkdir -p ~/.claude/skills && cp -r /tmp/codex-skill/.claude/skills/codex ~/.claude/skills/codex && \
rm -rf /tmp/codex-skill

# Windows (PowerShell)
git clone --depth 1 https://github.com/sypsyp97/claude-skill-codex.git $env:TEMP\codex-skill; `
New-Item -ItemType Directory -Force -Path "$env:USERPROFILE\.claude\skills"; `
Copy-Item -Recurse -Force "$env:TEMP\codex-skill\.claude\skills\codex" "$env:USERPROFILE\.claude\skills\codex"; `
Remove-Item -Recurse -Force "$env:TEMP\codex-skill"

**Project-Specific Installation:**