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Note: If you want a more autonomous setup for agentic workflows, check out klaudworks/ralph-meets-rex.

Codex Integration for Claude Code

skillcodex

Purpose

Enable Claude Code to invoke the Codex CLI (codex exec and session resumes) for automated code analysis, refactoring, and editing workflows.

Prerequisites

  • codex CLI installed and available on PATH.
  • Codex configured with valid credentials and settings.
  • Confirm the installation by running codex --version; resolve any errors before using the skill.

Installation

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.

Option 1: Plugin Installation (Recommended)

Install via Claude Code's plugin system for automatic updates:

/plugin marketplace add skills-directory/skill-codex
/plugin install skill-codex@skill-codex

Option 2: Standalone Skill Installation

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

Usage

Important: Thinking Tokens

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.

Example Workflow

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:

  1. Ask which model to use (gpt-5.5, gpt-5.4, gpt-5.4-mini, gpt-5.3-codex-spark, or gpt-5.3-codex) unless already specified in your prompt.
  2. Ask which reasoning effort level (low, medium, or high) unless already specified in your prompt.
  3. Select appropriate sandbox mode (defaults to read-only for analysis)
  4. Run a command like:
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.

Detailed Instructions

See plugins/skill-codex/skills/codex/SKILL.md for complete operational instructions, CLI options, and workflow guidance.

About

A claude code skill to delegate prompts to codex

Resources

Readme
License
Activity
Custom properties

Stars

0 stars

Watchers

0 watching

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0 forks
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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Note: If you want a more autonomous setup for agentic workflows, check out klaudworks/ralph-meets-rex.
Codex Integration for Claude Code
skillcodex
Purpose
Enable Claude Code to invoke the Codex CLI (codex exec and session resumes) for automated code analysis, refactoring, and editing workflows.
Prerequisites
  • codex CLI installed and available on PATH.
  • Codex configured with valid credentials and settings.
  • Confirm the installation by running codex --version; resolve any errors before using the skill.
Installation
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.
Option 1: Plugin Installation (Recommended)
Install via Claude Code's plugin system for automatic updates:
/plugin marketplace add skills-directory/skill-codex
/plugin install skill-codex@skill-codex

Option 2: Standalone Skill Installation
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

Usage
Important: Thinking Tokens
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.
Example Workflow
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:
  1. Ask which model to use (gpt-5.5, gpt-5.4, gpt-5.4-mini, gpt-5.3-codex-spark, or gpt-5.3-codex) unless already specified in your prompt.
  2. Ask which reasoning effort level (low, medium, or high) unless already specified in your prompt.
  3. Select appropriate sandbox mode (defaults to read-only for analysis)
  4. Run a command like:
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.
Detailed Instructions
See plugins/skill-codex/skills/codex/SKILL.md for complete operational instructions, CLI options, and workflow guidance.
About
A claude code skill to delegate prompts to codex
Resources
Readme
License
Activity
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0 stars
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0 watching
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0 forks
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Repository files navigation
Note: If you want a more autonomous setup for agentic workflows, check out klaudworks/ralph-meets-rex.
Codex Integration for Claude Code
skillcodex
Purpose
Enable Claude Code to invoke the Codex CLI (codex exec and session resumes) for automated code analysis, refactoring, and editing workflows.
Prerequisites
  • codex CLI installed and available on PATH.
  • Codex configured with valid credentials and settings.
  • Confirm the installation by running codex --version; resolve any errors before using the skill.
Installation
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.
Option 1: Plugin Installation (Recommended)
Install via Claude Code's plugin system for automatic updates:
/plugin marketplace add skills-directory/skill-codex
/plugin install skill-codex@skill-codex

Option 2: Standalone Skill Installation
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

Usage
Important: Thinking Tokens
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.
Example Workflow
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:
  1. Ask which model to use (gpt-5.5, gpt-5.4, gpt-5.4-mini, gpt-5.3-codex-spark, or gpt-5.3-codex) unless already specified in your prompt.
  2. Ask which reasoning effort level (low, medium, or high) unless already specified in your prompt.
  3. Select appropriate sandbox mode (defaults to read-only for analysis)
  4. Run a command like:
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.
Detailed Instructions
See plugins/skill-codex/skills/codex/SKILL.md for complete operational instructions, CLI options, and workflow guidance.
About
A claude code skill to delegate prompts to codex
Resources
Readme
License
Activity
Custom properties
Stars
0 stars
Watchers
0 watching
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0 forks
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Repository files navigation
Note: If you want a more autonomous setup for agentic workflows, check out klaudworks/ralph-meets-rex.
Codex Integration for Claude Code
skillcodex
Purpose
Enable Claude Code to invoke the Codex CLI (codex exec and session resumes) for automated code analysis, refactoring, and editing workflows.
Prerequisites
  • codex CLI installed and available on PATH.
  • Codex configured with valid credentials and settings.
  • Confirm the installation by running codex --version; resolve any errors before using the skill.
Installation
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.
Option 1: Plugin Installation (Recommended)
Install via Claude Code's plugin system for automatic updates:
/plugin marketplace add skills-directory/skill-codex
/plugin install skill-codex@skill-codex

Option 2: Standalone Skill Installation
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

Usage
Important: Thinking Tokens
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.
Example Workflow
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:
  1. Ask which model to use (gpt-5.5, gpt-5.4, gpt-5.4-mini, gpt-5.3-codex-spark, or gpt-5.3-codex) unless already specified in your prompt.
  2. Ask which reasoning effort level (low, medium, or high) unless already specified in your prompt.
  3. Select appropriate sandbox mode (defaults to read-only for analysis)
  4. Run a command like:
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.
Detailed Instructions
See plugins/skill-codex/skills/codex/SKILL.md for complete operational instructions, CLI options, and workflow guidance.
About
A claude code skill to delegate prompts to codex
Resources
Readme
License
Activity
Custom properties
Stars
0 stars
Watchers
0 watching
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0 forks
Report repository
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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openpackage.yml
Repository files navigation
Note: If you want a more autonomous setup for agentic workflows, check out klaudworks/ralph-meets-rex.
Codex Integration for Claude Code
skillcodex
Purpose
Enable Claude Code to invoke the Codex CLI (codex exec and session resumes) for automated code analysis, refactoring, and editing workflows.
Prerequisites
  • codex CLI installed and available on PATH.
  • Codex configured with valid credentials and settings.
  • Confirm the installation by running codex --version; resolve any errors before using the skill.
Installation
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.
Option 1: Plugin Installation (Recommended)
Install via Claude Code's plugin system for automatic updates:
/plugin marketplace add skills-directory/skill-codex
/plugin install skill-codex@skill-codex

Option 2: Standalone Skill Installation
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

Usage
Important: Thinking Tokens
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.
Example Workflow
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:
  1. Ask which model to use (gpt-5.5, gpt-5.4, gpt-5.4-mini, gpt-5.3-codex-spark, or gpt-5.3-codex) unless already specified in your prompt.
  2. Ask which reasoning effort level (low, medium, or high) unless already specified in your prompt.
  3. Select appropriate sandbox mode (defaults to read-only for analysis)
  4. Run a command like:
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.
Detailed Instructions
See plugins/skill-codex/skills/codex/SKILL.md for complete operational instructions, CLI options, and workflow guidance.
About
A claude code skill to delegate prompts to codex
Resources
Readme
License
Activity
Custom properties
Stars
0 stars
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0 watching
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0 forks
Report repository
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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plugins/skill-codex
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README.md
openpackage.yml
openpackage.yml
Repository files navigation
Note: If you want a more autonomous setup for agentic workflows, check out klaudworks/ralph-meets-rex.
Codex Integration for Claude Code
skillcodex
Purpose
Enable Claude Code to invoke the Codex CLI (codex exec and session resumes) for automated code analysis, refactoring, and editing workflows.
Prerequisites
  • codex CLI installed and available on PATH.
  • Codex configured with valid credentials and settings.
  • Confirm the installation by running codex --version; resolve any errors before using the skill.
Installation
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.
Option 1: Plugin Installation (Recommended)
Install via Claude Code's plugin system for automatic updates:
/plugin marketplace add skills-directory/skill-codex
/plugin install skill-codex@skill-codex

Option 2: Standalone Skill Installation
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

Usage
Important: Thinking Tokens
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.
Example Workflow
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:
  1. Ask which model to use (gpt-5.5, gpt-5.4, gpt-5.4-mini, gpt-5.3-codex-spark, or gpt-5.3-codex) unless already specified in your prompt.
  2. Ask which reasoning effort level (low, medium, or high) unless already specified in your prompt.
  3. Select appropriate sandbox mode (defaults to read-only for analysis)
  4. Run a command like:
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.
Detailed Instructions
See plugins/skill-codex/skills/codex/SKILL.md for complete operational instructions, CLI options, and workflow guidance.
About
A claude code skill to delegate prompts to codex
Resources
Readme
License
Activity
Custom properties
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Note: If you want a more autonomous setup for agentic workflows, check out klaudworks/ralph-meets-rex.
Codex Integration for Claude Code
skillcodex
Purpose
Enable Claude Code to invoke the Codex CLI (codex exec and session resumes) for automated code analysis, refactoring, and editing workflows.
Prerequisites
  • codex CLI installed and available on PATH.
  • Codex configured with valid credentials and settings.
  • Confirm the installation by running codex --version; resolve any errors before using the skill.
Installation
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.
Option 1: Plugin Installation (Recommended)
Install via Claude Code's plugin system for automatic updates:
/plugin marketplace add skills-directory/skill-codex
/plugin install skill-codex@skill-codex

Option 2: Standalone Skill Installation
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

Usage
Important: Thinking Tokens
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.
Example Workflow
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:
  1. Ask which model to use (gpt-5.5, gpt-5.4, gpt-5.4-mini, gpt-5.3-codex-spark, or gpt-5.3-codex) unless already specified in your prompt.
  2. Ask which reasoning effort level (low, medium, or high) unless already specified in your prompt.
  3. Select appropriate sandbox mode (defaults to read-only for analysis)
  4. Run a command like:
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.
Detailed Instructions
See plugins/skill-codex/skills/codex/SKILL.md for complete operational instructions, CLI options, and workflow guidance.
About
A claude code skill to delegate prompts to codex
Resources
Readme
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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49 Commits
Folders and files
NameName
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.claude-plugin
.claude-plugin
plugins/skill-codex
plugins/skill-codex
LICENSE
LICENSE
README.md
README.md
openpackage.yml
openpackage.yml
Repository files navigation
Note: If you want a more autonomous setup for agentic workflows, check out klaudworks/ralph-meets-rex.
Codex Integration for Claude Code
skillcodex
Purpose
Enable Claude Code to invoke the Codex CLI (codex exec and session resumes) for automated code analysis, refactoring, and editing workflows.
Prerequisites
  • codex CLI installed and available on PATH.
  • Codex configured with valid credentials and settings.
  • Confirm the installation by running codex --version; resolve any errors before using the skill.
Installation
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.
Option 1: Plugin Installation (Recommended)
Install via Claude Code's plugin system for automatic updates:
/plugin marketplace add skills-directory/skill-codex
/plugin install skill-codex@skill-codex

Option 2: Standalone Skill Installation
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

Usage
Important: Thinking Tokens
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.
Example Workflow
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:
  1. Ask which model to use (gpt-5.5, gpt-5.4, gpt-5.4-mini, gpt-5.3-codex-spark, or gpt-5.3-codex) unless already specified in your prompt.
  2. Ask which reasoning effort level (low, medium, or high) unless already specified in your prompt.
  3. Select appropriate sandbox mode (defaults to read-only for analysis)
  4. Run a command like:
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.
Detailed Instructions
See plugins/skill-codex/skills/codex/SKILL.md for complete operational instructions, CLI options, and workflow guidance.
About
A claude code skill to delegate prompts to codex
Resources
Readme
License
Activity
Custom properties
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors