{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://agentguides.io/schemas/0.1/skill-guide-extension.schema.json",
  "title": "Guide extension to SKILL.md frontmatter",
  "description": "JSON Schema for the `metadata.guide` block in a Guide's SKILL.md. Generated from agentguides.spec.skill_extension.",
  "$defs": {
    "GuideMetadata": {
      "additionalProperties": false,
      "properties": {
        "entry": {
          "default": "GUIDE.md",
          "type": "string"
        },
        "skills": {
          "items": {
            "maxLength": 64,
            "minLength": 1,
            "pattern": "^[a-z0-9]+(-[a-z0-9]+)*$",
            "type": "string"
          },
          "minItems": 1,
          "type": "array",
          "uniqueItems": true
        }
      },
      "type": "object"
    },
    "SkillMetadata": {
      "properties": {
        "type": {
          "const": "guide",
          "type": "string"
        },
        "guide": {
          "$ref": "#/$defs/GuideMetadata"
        }
      },
      "required": [
        "type",
        "guide"
      ],
      "type": "object"
    }
  },
  "properties": {
    "name": {
      "maxLength": 64,
      "minLength": 1,
      "pattern": "^[a-z0-9]+(-[a-z0-9]+)*$",
      "type": "string"
    },
    "description": {
      "maxLength": 1024,
      "minLength": 1,
      "type": "string"
    },
    "license": {
      "type": "string"
    },
    "compatibility": {
      "maxLength": 500,
      "type": "string"
    },
    "allowed-tools": {
      "type": "string"
    },
    "metadata": {
      "$ref": "#/$defs/SkillMetadata"
    }
  },
  "required": [
    "metadata"
  ],
  "type": "object"
}