OptionalallowedOptional experimental feature: list of allowed tool IDs
OptionalcompatibilityOptional version constraint for compatibility
Human-readable description of the skill, max 1024 characters
OptionallicenseOptional SPDX license identifier
OptionalmetadataOptional key-value pairs for additional metadata
Unique identifier, must match directory name, lowercase kebab-case with digits allowed
Represents the YAML frontmatter metadata from a SKILL.md file.