ReferenceSkills
Understand SKILL.md structure and skill invocation.
- Best for
- Understand SKILL.md structure and skill invocation.
- Requires
- A supported Codex client.
- Limit
- Documentation is not an evaluation of your skill.
Curated primary reference · Checked 2026-09-10
View reference →: Codex skill documentationTroubleshootingSkills
Separate discovery, selection, missing inputs, and procedure problems.
· 2 min read · Abdessalam
Find a solution →: When a Codex skill does not do what you expectedA repeatable worksheet for observing trigger quality, output quality, and missing evidence.
· 2 min read · Abdessalam
Start the tutorial →: Evaluate a Codex skill with a small task setTutorialSkills
Make the purpose and intended trigger specific enough to evaluate.
· 2 min read · Abdessalam
Start the tutorial →: Write a skill description that matches the taskGuideSkills
Decide what belongs in a skill, write a clear trigger, and evaluate it against real tasks.
· 3 min read · Abdessalam
Read the guide →: Codex skills: build a reusable procedureTutorialSkills
Package a recurring workflow into focused instructions, supporting resources, and a clear trigger.
· 2 min read · Abdessalam
Start the tutorial →: Build reusable Codex skills for repeatable work