Expired50% confidenceFactExact time
The core of Codex's Skill system is the Skill.md file, whose structure is divided into two parts: a self-introduction (between two sets of triple dashes) and the body content.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Related Claims
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