Master Skills plugin for Codex
2,658 skills across 15 domains for Claude Code, Codex, and Antigravity — any SKILL.md agent.
How to install Master Skills in Codex
1. Add the repo as a Codex plugin marketplace:
codex plugin marketplace add sinhoneyy/master-skills2. Install the plugin from it:
codex plugin add <plugin>@master-skillsThis repo ships a Codex marketplace file (.agents/plugins/marketplace.json). The first command adds it as a marketplace (Codex CLI reference); the second installs a plugin from it: replace <plugin> with one of the names listed under 'What it contains'. 'master-skills' is the marketplace name from that file. Check the repo README too. Command format: Codex CLI reference.
What it contains
Plugins in this marketplace (11)
master-skills— 2,658 skills across 15 domains for Claude Code, Codex, and Antigravity — any SKILL.md agent.master-skills-security-engineermaster-skills-frontend-designermaster-skills-backend-engineermaster-skills-devops-cloudmaster-skills-ai-agent-buildermaster-skills-marketing-growthmaster-skills-mobile-developermaster-skills-qa-testingmaster-skills-productivitymaster-skills-integrations
About this listing
Master Skills is a community plugin on GitHub by sinhoneyy, tagged codex-plugin. It passed the CodexStacks quality filter (at least 10 stars, pushed in the last 180 days, not a fork, has a description and a manifest or README). OpenAI hasn't reviewed it and we haven't tested it. From its files we found 11 plugins. The manifest says version 1.0.0. It's one of 104 listings in the Productivity category.
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Master Skills FAQ
How do I install Master Skills in Codex?
Add the repo as a Codex plugin marketplace with codex plugin marketplace add sinhoneyy/master-skills, then install it with codex plugin add <plugin>@master-skills. Both use the command format from the Codex CLI reference; check the repo README too.
Is Master Skills an official Codex plugin?
No. Master Skills is a community repo on GitHub by sinhoneyy. It passed the CodexStacks quality filter, but OpenAI hasn't reviewed it and we haven't tested it, so read the code before you install it.
What does Master Skills include?
From its manifest and repo files, Master Skills includes 11 plugins: master-skills, master-skills-security-engineer, master-skills-frontend-designer, master-skills-backend-engineer, master-skills-devops-cloud, master-skills-ai-agent-builder….
Details
- Type
- Plugin
- Category
- Productivity
- Source
- Community
- Author
- master-skills
- Version
- 1.0.0
- GitHub stars
- 14 (at last sync)
- Last push
- 2026-09-05
- Manifest
.agents/plugins/marketplace.json- GitHub topics
- agentic-skill, ai, ai-coding, ai-tools, ai-workflows, antigravity-skills, antigravity-tools, claude-code, claude-code-plugin, claude-skills, codex-skills, cursor
- Source
- https://github.com/sinhoneyy/master-skills
- Website
- https://master-skills-website.vercel.app/
- Listed via
- GitHub topic codex-plugin
- Tested by CodexStacks
- Not yet
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For maintainers: badge and embeds
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Markdown
[](https://codexstacks.com/p/master-skills/)HTML
<a href="https://codexstacks.com/p/master-skills/"><img src="https://codexstacks.com/badge.svg" alt="Listed on CodexStacks" width="172" height="28"></a>Embed card (static HTML and inline CSS, no JavaScript). Preview:
<a href="https://codexstacks.com/p/master-skills/" style="display:block;max-width:380px;box-sizing:border-box;padding:14px 16px;border:1px solid #3a2c26;border-radius:12px;background:#0d0b0a;color:#f3ece6;font:14px/1.45 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;text-decoration:none"><span style="display:block;font-size:16px;font-weight:700;color:#f3ece6">Master Skills</span><span style="display:block;margin:2px 0 8px;font-size:12px;color:#b5a9a1">Community Codex plugin · 11 plugins</span><span style="display:block;margin:0 0 10px;color:#ddd3cc">2,658 skills across 15 domains for Claude Code, Codex, and Antigravity — any SKILL.md agent.</span><span style="font-size:12px;font-weight:600;color:#ffb347">View on CodexStacks →</span></a>Markdown summary
**[Master Skills on CodexStacks](https://codexstacks.com/p/master-skills/)**: Community Codex plugin with 11 plugins.More on badges, embeds and keeping your listing up to date: CodexStacks for plugin authors.
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