Wrote
How to create an agent skill
A step-by-step walkthrough of building a small agent skill from a real task, plus where to put the folder for Claude Code and Codex.
Ravalika Korthiwada · Guide- Format checked
- Installs checked
- Loads Codex
- Helps not checked
The SKILL.md format
What goes in a SKILL.md file, which fields the open spec requires, and the complete explain-error example we built and tested against it.
Ravalika Korthiwada · Guide- Format checked
- Installs checked
- Loads Codex
- Helps not checked
What is an agent skill?
A plain explanation of agent skills: the SKILL.md file, progressive disclosure, and where the open format is documented as of September 2026.
Ravalika Korthiwada · Guide- Format checked
- Installs checked
- Loads Codex
- Helps not checked