default to not checking before discover

Author: aaronsteers

airbyte_cdk/connector.py

@@ -34,9 +34,9 @@ class BaseConnector(ABC, Generic[TConfig]):
     check_config_against_spec: bool = True
     """Configure whether `check_config_against_spec_or_exit()` needs to be called."""
 
-    check_config_during_discover: bool = False
+    check_config_during_discover: bool = True
     """Determines whether config validation should be skipped during discovery.
-    
+
     By default, config validation is not skipped during discovery. This can be overridden
     by sources that can provide catalog information without requiring authentication.
     """

airbyte_cdk/sources/declarative/manifest_declarative_source.py

@@ -90,6 +90,9 @@ def _get_declarative_component_schema() -> Dict[str, Any]:
 class ManifestDeclarativeSource(DeclarativeSource):
     """Declarative source defined by a manifest of low-code components that define source connector behavior"""
 
+    check_config_during_discover: bool = False
+    """Declarative sources default to not checking config before discovery."""
+
     def __init__(
         self,
         source_config: ConnectionDefinition,