Unique identifier for the skill.
The format and length of IDs may change over time.
Deleted object type.
For Skills, this is always "skill_deleted".
Where the Skill comes from.
Possible values:
"custom": authored by the platform user; private to their workspace"anthropic": published by Anthropic; shared and read-only"anthropic_example": Anthropic-published sample Skill"plugin": resolved from an installed plugin