{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://compatair.fr/schemas/mcp-result-2026.07.json",
  "title": "CompatAir MCP common result envelope",
  "$comment": "This schema defines the common envelope only. Each tools/list entry publishes a distinct closed outputSchema for its complete result.",
  "type": "object",
  "required": [
    "verdict",
    "verdict_scope",
    "verdict_schema_version",
    "canonical_url",
    "product_urls",
    "source_urls",
    "method_version",
    "catalog_version",
    "observed_at",
    "limitations",
    "next_actions"
  ],
  "properties": {
    "verdict": {
      "enum": [
        "information",
        "compatible",
        "compatible_with_limits",
        "incompatible",
        "insufficient_data"
      ]
    },
    "verdict_scope": {
      "enum": [
        "information",
        "request",
        "air_supply",
        "complete_air_system",
        "commercial_constraints"
      ]
    },
    "verdict_schema_version": {
      "const": "2.0.0"
    },
    "canonical_url": {
      "type": "string",
      "format": "uri",
      "pattern": "^https://compatair\\.fr/"
    },
    "canonical_follow_url": {
      "type": "string",
      "format": "uri",
      "pattern": "^https://compatair\\.fr/"
    },
    "product_urls": {
      "type": "array",
      "items": {
        "type": "string",
        "format": "uri",
        "pattern": "^https://compatair\\.fr/"
      },
      "uniqueItems": true
    },
    "source_urls": {
      "type": "array",
      "items": {
        "type": "string",
        "format": "uri",
        "pattern": "^https://"
      },
      "uniqueItems": true
    },
    "method_version": {
      "const": "2026.07"
    },
    "catalog_version": {
      "type": "string",
      "minLength": 1
    },
    "observed_at": {
      "type": "string",
      "format": "date"
    },
    "limitations": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "next_actions": {
      "type": "array",
      "items": {
        "type": "string"
      }
    }
  },
  "additionalProperties": true
}