GraphQL Introspection Response

{
  "$id": "graphql-introspection.json",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "GraphQL Introspection Response",
  "description": "Schema describing the structure of a GraphQL introspection query response. Introspection allows clients to discover the types, fields, directives, and capabilities of a GraphQL schema at runtime.",
  "type": "object",
  "required": [
    "data"
  ],
  "properties": {
    "data": {
      "type": "object",
      "required": [
        "__schema"
      ],
      "properties": {
        "__schema": {
          "$ref": "#/$defs/Schema"
        }
      },
      "additionalProperties": false
    }
  },
  "additionalProperties": false,
  "$defs": {
    "Schema": {
      "type": "object",
      "description": "The root schema object returned by introspection, describing all types, directives, and entry points.",
      "required": [
        "queryType",
        "types",
        "directives"
      ],
      "properties": {
        "description": {
          "type": ["string", "null"],
          "description": "An optional description of the schema."
        },
        "queryType": {
          "$ref": "#/$defs/TypeRef",
          "description": "The root query type of the schema."
        },
        "mutationType": {
          "oneOf": [
            { "$ref": "#/$defs/TypeRef" },
            { "type": "null" }
          ],
          "description": "The root mutation type of the schema, if defined."
        },
        "subscriptionType": {
          "oneOf": [
            { "$ref": "#/$defs/TypeRef" },
            { "type": "null" }
          ],
          "description": "The root subscription type of the schema, if defined."
        },
        "types": {
          "type": "array",
          "description": "A list of all types defined in the schema.",
          "items": {
            "$ref": "#/$defs/FullType"
          }
        },
        "directives": {
          "type": "array",
          "description": "A list of all directives supported by the schema.",
          "items": {
            "$ref": "#/$defs/Directive"
          }
        }
      },
      "additionalProperties": false
    },
    "FullType": {
      "type": "object",
      "description": "A complete type definition from the GraphQL schema.",
      "required": [
        "kind",
        "name"
      ],
      "properties": {
        "kind": {
          "type": "string",
          "description": "The kind of type.",
          "enum": [
            "SCALAR",
            "OBJECT",
            "INTERFACE",
            "UNION",
            "ENUM",
            "INPUT_OBJECT",
            "LIST",
            "NON_NULL"
          ]
        },
        "name": {
          "type": ["string", "null"],
          "description": "The name of the type."
        },
        "description": {
          "type": ["string", "null"],
          "description": "A description of the type."
        },
        "fields": {
          "type": ["array", "null"],
          "description": "The fields defined on this type (for OBJECT and INTERFACE types).",
          "items": {
            "$ref": "#/$defs/Field"
          }
        },
        "inputFields": {
          "type": ["array", "null"],
          "description": "The input fields defined on this type (for INPUT_OBJECT types).",
          "items": {
            "$ref": "#/$defs/InputValue"
          }
        },
        "interfaces": {
          "type": ["array", "null"],
          "description": "The interfaces this type implements (for OBJECT types).",
          "items": {
            "$ref": "#/$defs/TypeRef"
          }
        },
        "enumValues": {
          "type": ["array", "null"],
          "description": "The possible values for this type (for ENUM types).",
          "items": {
            "$ref": "#/$defs/EnumValue"
          }
        },
        "possibleTypes": {
          "type": ["array", "null"],
          "description": "The types that implement this interface or are part of this union.",
          "items": {
            "$ref": "#/$defs/TypeRef"
          }
        },
        "specifiedByURL": {
          "type": ["string", "null"],
          "description": "A URL pointing to a specification for this custom scalar type."
        }
      },
      "additionalProperties": false
    },
    "Field": {
      "type": "object",
      "description": "A field on an Object or Interface type.",
      "required": [
        "name",
        "args",
        "type"
      ],
      "properties": {
        "name": {
          "type": "string",
          "description": "The name of the field."
        },
        "description": {
          "type": ["string", "null"],
          "description": "A description of the field."
        },
        "args": {
          "type": "array",
          "description": "The arguments accepted by this field.",
          "items": {
            "$ref": "#/$defs/InputValue"
          }
        },
        "type": {
          "$ref": "#/$defs/TypeRef",
          "description": "The return type of this field."
        },
        "isDeprecated": {
          "type": "boolean",
          "description": "Whether this field is deprecated."
        },
        "deprecationReason": {
          "type": ["string", "null"],
          "description": "The reason this field was deprecated."
        }
      },
      "additionalProperties": false
    },
    "InputValue": {
      "type": "object",
      "description": "An argument to a field or directive, or an input field.",
      "required": [
        "name",
        "type"
      ],
      "properties": {
        "name": {
          "type": "string",
          "description": "The name of the input value."
        },
        "description": {
          "type": ["string", "null"],
          "description": "A description of the input value."
        },
        "type": {
          "$ref": "#/$defs/TypeRef",
          "description": "The type of this input value."
        },
        "defaultValue": {
          "type": ["string", "null"],
          "description": "The default value of this input value, represented as a GraphQL literal string."
        },
        "isDeprecated": {
          "type": "boolean",
          "description": "Whether this input value is deprecated."
        },
        "deprecationReason": {
          "type": ["string", "null"],
          "description": "The reason this input value was deprecated."
        }
      },
      "additionalProperties": false
    },
    "EnumValue": {
      "type": "object",
      "description": "A possible value for an Enum type.",
      "required": [
        "name"
      ],
      "properties": {
        "name": {
          "type": "string",
          "description": "The name of the enum value."
        },
        "description": {
          "type": ["string", "null"],
          "description": "A description of the enum value."
        },
        "isDeprecated": {
          "type": "boolean",
          "description": "Whether this enum value is deprecated."
        },
        "deprecationReason": {
          "type": ["string", "null"],
          "description": "The reason this enum value was deprecated."
        }
      },
      "additionalProperties": false
    },
    "TypeRef": {
      "type": "object",
      "description": "A reference to a type, which may be wrapped in List or NonNull modifiers.",
      "properties": {
        "kind": {
          "type": "string",
          "description": "The kind of the referenced type.",
          "enum": [
            "SCALAR",
            "OBJECT",
            "INTERFACE",
            "UNION",
            "ENUM",
            "INPUT_OBJECT",
            "LIST",
            "NON_NULL"
          ]
        },
        "name": {
          "type": ["string", "null"],
          "description": "The name of the referenced type (null for LIST and NON_NULL wrapper types)."
        },
        "ofType": {
          "oneOf": [
            { "$ref": "#/$defs/TypeRef" },
            { "type": "null" }
          ],
          "description": "The wrapped type for LIST and NON_NULL kinds."
        }
      },
      "additionalProperties": false
    },
    "Directive": {
      "type": "object",
      "description": "A directive defined in the GraphQL schema.",
      "required": [
        "name",
        "locations",
        "args"
      ],
      "properties": {
        "name": {
          "type": "string",
          "description": "The name of the directive."
        },
        "description": {
          "type": ["string", "null"],
          "description": "A description of the directive."
        },
        "isRepeatable": {
          "type": "boolean",
          "description": "Whether this directive may be used repeatedly at a single location."
        },
        "locations": {
          "type": "array",
          "description": "The locations where this directive may be used.",
          "items": {
            "type": "string",
            "enum": [
              "QUERY",
              "MUTATION",
              "SUBSCRIPTION",
              "FIELD",
              "FRAGMENT_DEFINITION",
              "FRAGMENT_SPREAD",
              "INLINE_FRAGMENT",
              "VARIABLE_DEFINITION",
              "SCHEMA",
              "SCALAR",
              "OBJECT",
              "FIELD_DEFINITION",
              "ARGUMENT_DEFINITION",
              "INTERFACE",
              "UNION",
              "ENUM",
              "ENUM_VALUE",
              "INPUT_OBJECT",
              "INPUT_FIELD_DEFINITION"
            ]
          }
        },
        "args": {
          "type": "array",
          "description": "The arguments accepted by this directive.",
          "items": {
            "$ref": "#/$defs/InputValue"
          }
        }
      },
      "additionalProperties": false
    }
  }
}