add validation and the definitions to the latest labware def list

api/src/opentrons/protocol_engine/commands/load_labware.py

@@ -140,6 +140,9 @@ async def execute(
             )
             state_update.set_addressable_area_used(area_name)
         elif isinstance(params.location, DeckSlotLocation):
+            self._state_view.labware.raise_if_labware_cannot_be_ondeck(
+                labware_id=params.labwareId
+            )
             self._state_view.addressable_areas.raise_if_area_not_in_deck_configuration(
                 params.location.slotName.id
             )

api/src/opentrons/protocol_engine/commands/move_labware.py

@@ -223,6 +223,12 @@ async def execute(self, params: MoveLabwareParams) -> _ExecuteReturn:  # noqa: C
         self._state_view.labware.raise_if_labware_has_labware_on_top(
             labware_id=params.labwareId
         )
+
+        if isinstance(available_new_location, DeckSlotLocation):
+            self._state_view.labware.raise_if_labware_cannot_be_ondeck(
+                labware_id=params.labwareId
+            )
+
         if isinstance(available_new_location, OnLabwareLocation):
             self._state_view.labware.raise_if_labware_has_labware_on_top(
                 available_new_location.labwareId

api/src/opentrons/protocol_engine/errors/__init__.py

@@ -18,6 +18,7 @@
     LiquidDoesNotExistError,
     LabwareDefinitionDoesNotExistError,
     LabwareCannotBeStackedError,
+	LabwareCannotSitOnDeckError,
     LabwareIsInStackError,
     LabwareOffsetDoesNotExistError,
     LabwareIsNotTipRackError,
@@ -105,6 +106,7 @@
     "LiquidDoesNotExistError",
     "LabwareDefinitionDoesNotExistError",
     "LabwareCannotBeStackedError",
+	"LabwareCannotSitOnDeckError",
     "LabwareIsInStackError",
     "LabwareOffsetDoesNotExistError",
     "LabwareIsNotTipRackError",

api/src/opentrons/protocol_engine/errors/exceptions.py

@@ -283,6 +283,19 @@ def __init__(
         super().__init__(ErrorCodes.GENERAL_ERROR, message, details, wrapping)
 
 
+class LabwareCannotSitOnDeckError(ProtocolEngineError):
+    """Raised when a labware is incompatible with a deck slot."""
+
+    def __init__(
+        self,
+        message: Optional[str] = None,
+        details: Optional[Dict[str, Any]] = None,
+        wrapping: Optional[Sequence[EnumeratedError]] = None,
+    ) -> None:
+        """Build a LabwareCannotSitOnDeckError."""
+        super().__init__(ErrorCodes.GENERAL_ERROR, message, details, wrapping)
+
+
 class LabwareIsInStackError(ProtocolEngineError):
     """Raised when trying to move to or physically interact with a labware that has another labware on top."""
 

api/src/opentrons/protocol_engine/resources/labware_validation.py

@@ -44,6 +44,14 @@ def validate_labware_can_be_stacked(
     return below_labware_load_name in top_labware_definition.stackingOffsetWithLabware
 
 
+def validate_labware_can_be_ondeck(definition: LabwareDefinition) -> bool:
+    """Validate that the labware being loaded onto the deck can sit in a slot."""
+    return (
+        definition.parameters.quirks is None
+        or "stackingOnly" not in definition.parameters.quirks
+    )
+
+
 def validate_gripper_compatible(definition: LabwareDefinition) -> bool:
     """Validate that the labware definition does not have a quirk disallowing movement with gripper."""
     return (

api/src/opentrons/protocol_engine/state/labware.py

@@ -887,6 +887,19 @@ def raise_if_labware_in_location(
                     f"Labware {labware.loadName} is already present at {location}."
                 )
 
+    def raise_if_labware_cannot_be_ondeck(
+        self,
+        location: OnDeckLabwareLocation,
+        labware_definition: LabwareDefinition,
+    ) -> None:
+        """Raise an error if the labware cannot be in the specified location."""
+        if isinstance(
+            location, (DeckSlotLocation, AddressableAreaLocation)
+        ) and not labware_validation.validate_labware_can_be_ondeck(labware_definition):
+            raise errors.LabwareCannotSitOnDeckError(
+                f"{labware_definition.parameters.loadName} cannot sit in a slot by itself."
+            )
+
     def raise_if_labware_incompatible_with_plate_reader(
         self,
         labware_definition: LabwareDefinition,

shared-data/js/__tests__/labwareDefQuirks.test.ts

@@ -14,6 +14,7 @@ const EXPECTED_VALID_QUIRKS = [
   'gripperIncompatible',
   'tiprackAdapterFor96Channel',
   'stackingMaxFive',
+  'stackingOnly',
 ]
 
 describe('check quirks for all labware defs', () => {

shared-data/js/labware.ts

@@ -121,6 +121,8 @@ import thermoscientificnunc96Wellplate2000UlV1Uncasted from '../labware/definiti
 import tipone96Tiprack200UlV1Uncasted from '../labware/definitions/2/tipone_96_tiprack_200ul/1.json'
 import usascientific12Reservoir22MlV1Uncasted from '../labware/definitions/2/usascientific_12_reservoir_22ml/1.json'
 import usascientific96Wellplate24MlDeepV1Uncasted from '../labware/definitions/2/usascientific_96_wellplate_2.4ml_deep/1.json'
+import evotipsFlex96TiprackAdapterV1Uncasted from '../labware/definitions/2/evotips_flex_96_tiprack_adapter/1.json'
+import evotipsOpentrons96LabwareV1Uncasted from '../labware/definitions/2/evotips_opentrons_96_labware/1.json'
 
 // v1 legacy labware definitions
 
@@ -297,6 +299,8 @@ const thermoscientificnunc96Wellplate2000UlV1 = thermoscientificnunc96Wellplate2
 const tipone96Tiprack200UlV1 = tipone96Tiprack200UlV1Uncasted as LabwareDefinition2
 const usascientific12Reservoir22MlV1 = usascientific12Reservoir22MlV1Uncasted as LabwareDefinition2
 const usascientific96Wellplate24MlDeepV1 = usascientific96Wellplate24MlDeepV1Uncasted as LabwareDefinition2
+const evotipsFlex96TiprackAdapterV1 = evotipsFlex96TiprackAdapterV1Uncasted as LabwareDefinition2
+const evotipsOpentrons96LabwareV1 = evotipsOpentrons96LabwareV1Uncasted as LabwareDefinition2
 
 // cast v1 defs
 
@@ -466,6 +470,8 @@ const latestDefs = {
   tipone96Tiprack200UlV1,
   usascientific12Reservoir22MlV1,
   usascientific96Wellplate24MlDeepV1,
+  evotipsFlex96TiprackAdapterV1,
+  evotipsOpentrons96LabwareV1,
 }
 // labware definitions
 const getAllLabwareDefs = (): Record<