Domain 3Skills, Plugins & Connectors
SKILL.md
TL;DR
The core Markdown file that defines a custom skill.
Definition
The core Markdown file that defines a custom skill. It contains YAML frontmatter (name, version, trigger conditions) followed by plain-English instructions describing how to perform the task, examples of good and bad output, and the expected result format. No coding knowledge is required.
Exam Context
Know that the YAML frontmatter is mandatory (without it, the skill is invisible to Claude), that the file must be stored in ~/.claude/skills/ to be discoverable, and that skills are written in Markdown, not code.