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skill-creator

Create Codex skill directories with SKILL.md frontmatter and validation workflows.

Updated May 15, 2026
Search Tags:#workflow design#validation#skill authoring#context optimization#YAML frontmatter#codex skills
One-click install
npx skills add https://github.com/lth0/codexSkill --skill skill-creator-lth0
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: skill-creator
Source: https://github.com/lth0/codexSkill/tree/main/skills/codex/.system/skill-creator
Command: npx skills add https://github.com/lth0/codexSkill --skill skill-creator-lth0

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

The skill-creator guides you to build well-structured Codex skills so discovery works reliably and the instruction context stays efficient.

Core Features & Use Cases

  • Skill anatomy and conventions: Defines the required SKILL.md frontmatter fields and the expected folder structure for skills.
  • Context-efficient authoring: Teaches how to keep SKILL.md concise, choose appropriate degrees of freedom, and avoid token waste.
  • Operational workflow: Provides a step-by-step process for initializing a new skill, editing it, validating it, and forward-testing it before reuse.

Quick Start

Use the skill-creator to design a new Codex skill by filling in SKILL.md frontmatter, then initialize the directory template and validate the result.

Frequently Asked Questions about skill-creator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I create a Codex skill with the correct YAML frontmatter and folder structure?▼

Codex skill authoring requires specifying a SKILL.md file with required YAML frontmatter fields like name and description, then initializing the expected directory template. This structure ensures reliable discovery and efficient instruction context.

What is the best way to keep SKILL.md context efficient when authoring skills?▼

Keeping SKILL.md context efficient requires writing concise instructions and choosing appropriate degrees of freedom to avoid token waste. This approach optimizes the operational context for the skill during execution.

How does the skill validation and forward-testing workflow work for Codex?▼

The skill validation workflow involves initializing the skill directory, editing the contents, validating the structure, and forward-testing it before reuse. This operational process ensures the skill functions correctly within Codex.

Do I need any dependencies to build and validate a Codex skill?▼

Building and validating a Codex skill requires no external dependencies. You only need to follow the naming and validation constraints specified in the operational guidance to ensure proper skill structure.

What limitations or constraints exist when naming a Codex skill?▼

Codex skill naming requires strict adherence to specific validation constraints defined in the operational guidance. Following these constraints ensures the skill directory initializes correctly and passes validation checks.

Can I update an existing Codex skill using the skill-creator workflow?▼

Yes, the skill-creator workflow applies to both authoring and updating existing Codex skills. You can edit reusable resources like scripts, references, and assets, then validate and forward-test the updates before reuse.

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