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skill-developer

Develop Codex skills with standardized SKILL.md frontmatter and activation triggers.

1|Updated Mar 31, 2026
Search Tags:#development#best practices#codex#skill creation#activation
One-click install
npx skills add https://github.com/mgifford/drupal-core --skill skill-developer-mgifford
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: skill-developer
Source: https://github.com/mgifford/drupal-core/tree/main/.agents/skills/skill-developer
Command: npx skills add https://github.com/mgifford/drupal-core --skill skill-developer-mgifford

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

Facilitates the creation and management of Codex skills by providing comprehensive guidelines and structural standards for skill development.

Core Features & Use Cases

  • Skill Structuring: Defines directory layout and essential files like SKILL.md.
  • Best Practices: Advises on descriptive frontmatter, keyword inclusion, and size limitations.
  • Activation Mechanisms: Explains trigger configurations via description keywords and hook systems.
  • Use Case: A developer can craft a new skill with proper metadata, ensuring effective detection and safe activation within Codex workflows.

Quick Start

Create a new skill by setting up SKILL.md with proper frontmatter and relevant content, then validate trigger patterns through prompt testing.

Frequently Asked Questions about skill-developer

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

FAQPage Schema
How do I create a Codex skill that activates reliably during workflows?▼

To create a Codex skill, you structure a SKILL.md file with proper frontmatter, relevant keywords, and descriptive content, then validate the activation trigger patterns through prompt testing to ensure safe detection.

What is the best way to structure a new skill for agent workflows?▼

The best way to structure a new skill is to follow agentskills.io standards by setting up a defined directory layout with essential files like SKILL.md, ensuring proper metadata and size limitations are met.

What metadata do I need to include in SKILL.md for effective skill detection?▼

For effective skill detection, SKILL.md requires descriptive frontmatter and relevant keywords that align with agentskills.io standards, enabling the hook system to safely trigger activation within Codex workflows.

Does Codex skill development require specific trigger configurations?▼

Codex skill development requires trigger configurations via description keywords and hook systems, which validate prompt patterns to enhance AI assistant safety and relevance during activation.

Why does my custom skill fail to activate when called in a prompt?▼

A custom skill fails to activate if its description keywords and frontmatter do not align with agentskills.io standards, requiring you to validate trigger patterns through prompt testing to fix detection.

Can I use skill-developer for deploying AI assistant safety guidelines?▼

You can use this framework to deploy AI assistant safety guidelines by defining activation triggers and structural standards during skill creation, ensuring the deployed skill operates safely within Codex workflows.

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