{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "WordPress MCP Tool Extensions",
  "description": "WordPress-specific extensions to the MCP tool specification",
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "enum": ["create", "read", "update", "delete", "action"],
      "description": "WordPress tool type classification for CRUD operations and actions"
    },
    "rest_alias": {
      "type": "object",
      "description": "Maps the tool to a WordPress REST API endpoint",
      "properties": {
        "route": {
          "type": "string",
          "description": "The REST API route pattern (e.g., '/wp/v2/posts')"
        },
        "method": {
          "type": "string",
          "enum": ["GET", "POST", "PUT", "PATCH", "DELETE"],
          "description": "HTTP method for the REST API endpoint"
        },
        "inputSchemaReplacements": {
          "type": "object",
          "description": "Modifications to apply to the input schema derived from REST API",
          "additionalProperties": true
        },
        "preCallback": {
          "description": "PHP callable executed before the REST API call (string, array, or closure)"
        }
      },
      "required": ["route", "method"],
      "additionalProperties": false
    },
    "enabled": {
      "type": "boolean",
      "description": "Whether the tool is currently enabled",
      "default": true
    },
    "tool_enabled": {
      "type": "boolean", 
      "description": "WordPress-specific tool enablement flag",
      "default": true
    },
    "tool_type_enabled": {
      "type": "boolean",
      "description": "Whether this tool type is enabled in WordPress settings",
      "default": true
    },
    "disabled_by_rest_crud": {
      "type": "boolean",
      "description": "Whether this tool is disabled due to REST API CRUD tools being enabled",
      "default": false
    },
    "has_rest_alias": {
      "type": "boolean",
      "description": "Computed field indicating if the tool has a REST alias",
      "default": false
    },
    "permission_callback": {
      "description": "PHP callable for checking tool permissions (string, array, or closure)"
    },
    "permissions_callback": {
      "description": "Legacy alias for permission_callback (string, array, or closure)"
    },
    "callback": {
      "description": "PHP callable that implements the tool functionality (string, array, or closure)"
    }
  },
  "additionalProperties": true
}