{ "$schema": "http://json-schema.org/draft-07/schema#", "title": "Skill Provenance", "description": "Provenance metadata for learned and imported skills. Required in ~/.claude/skills/learned/* and ~/.claude/skills/imported/*", "type": "object", "properties": { "source": { "type": "string", "minLength": 1, "description": "Origin (URL, path, or identifier)" }, "created_at": { "type": "string", "format": "date-time", "description": "ISO 8601 timestamp" }, "confidence": { "type": "number", "minimum": 0, "maximum": 1, "description": "Confidence score 0-1" }, "author": { "type": "string", "minLength": 1, "description": "Who or what produced the skill" } }, "required": ["source", "created_at", "confidence", "author"], "additionalProperties": true }