from core.tools.errors import ToolProviderCredentialValidationError from core.tools.provider.builtin.yahoo.tools.ticker import YahooFinanceSearchTickerTool from core.tools.provider.builtin_tool_provider import BuiltinToolProviderController class YahooFinanceProvider(BuiltinToolProviderController): def _validate_credentials(self, credentials: dict) -> None: try: YahooFinanceSearchTickerTool().fork_tool_runtime( runtime={ "credentials": credentials, } ).invoke( user_id="", tool_parameters={ "ticker": "MSFT", }, ) except Exception as e: raise ToolProviderCredentialValidationError(str(e))