@stoplight/spectral/meta/ruleset.schema.json

{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "$id": "http://stoplight.io/schemas/ruleset.schema.json",
    "type": "object",
    "properties": {
        "rules": {
            "type": "object",
            "additionalProperties": {
                "$ref": "rule.schema.json"
            }
        },
        "extends": {
            "type": "array",
            "items": {
                "type": "string"
            }
        }
    },
    "required": [
        "rules"
    ]
}