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codex-skill-creator

v1.0.0

Create new skills, improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, update or optimize an existing skill, run evals to test a skill, or benchmark skill performance with variance analysis.

Codex1 Skill

By Sky1 GitHub starsUpdated 6 days ago

Directory evidence

Runtimes
Codex
Parsed components
1 skill or MCP entry
Source updated
Sep 18, 2026
Manifest status
Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install codex-skill-creator for Codex

Installs for the current user
codex plugin marketplace add JinHoonPark/SkyAgentPlugins
codex plugin marketplace upgrade sky-agent-plugins
codex plugin add codex-skill-creator@sky-agent-plugins

Paste and run these commands in a terminal with Codex. They add and refresh the sky-agent-plugins catalog, then install this plugin.

Compatibility: the page URL and API slug “codex-skill-creator” remain stable.

  • Codex: codex-skill-creator@agent-plugin-marketplace → codex-skill-creator@sky-agent-plugins

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually
git clone https://github.com/JinHoonPark/SkyAgentPlugins

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The plugin root is plugins/codex-skill-creator/.

Plugin files

plugins/codex-skill-creator/
├── .codex-plugin/plugin.json
└── skills/skill-creator/SKILL.md

Included Skills1

skill-creatorskills/skill-creator/SKILL.md

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.

Plugin manifests1

plugins/codex-skill-creator/.codex-plugin/plugin.json
{
  "name": "codex-skill-creator",
  "version": "1.0.0",
  "description": "Create new skills, improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, update or optimize an existing skill, run evals to test a skill, or benchmark skill performance with variance analysis.",
  "author": {
    "name": "Sky"
  },
  "skills": "./skills/"
}

For maintainers

If you maintain this plugin, link to this source-backed listing from your README so users can review its manifest and indexed components.

[codex-skill-creator on Agent Plugins Marketplace](https://pluginsmp.com/plugins/codex-skill-creator)