diff --git a/app/queries/common.py b/app/queries/common.py
index 8023e16dd..9b92e3ea5 100644
--- a/app/queries/common.py
+++ b/app/queries/common.py
@@ -7,7 +7,7 @@
 from sqlalchemy.sql import operators
 
 from app.db.auth import (
-    constrain_to_readable_entities_by_project,
+    constrain_to_readable_entities_by_context,
     constrain_to_writable_entities,
 )
 from app.db.model import Activity, Identifiable
@@ -69,9 +69,9 @@ def router_read_one[T: BaseModel, I: Identifiable](
     if user_context and (
         id_model_class := get_declaring_class(db_model_class, "authorized_project_id")
     ):
-        query = constrain_to_readable_entities_by_project(
+        query = constrain_to_readable_entities_by_context(
             query=query,
-            project_id=user_context.project_id,
+            user_context=user_context,
             db_model_class=id_model_class,
         )
     if apply_operations:
@@ -269,7 +269,7 @@ def router_read_many[T: BaseModel, I: Identifiable](  # noqa: PLR0913
     *,
     db: Session,
     db_model_class: type[I],
-    authorized_project_id: uuid.UUID | None,
+    user_context: UserContext | None,
     with_search: Search[I] | None,
     with_in_brain_region: InBrainRegionQuery | None,
     facets: WithFacets | None,
@@ -289,7 +289,7 @@ def router_read_many[T: BaseModel, I: Identifiable](  # noqa: PLR0913
     Args:
         db: database session.
         db_model_class: database model class.
-        authorized_project_id: project id for filtering the resources.
+        user_context: user context for filtering readable resources.
         with_search: search query (str).
         with_in_brain_region: enable family queries based on BrainRegion
         facets: facet query (bool).
@@ -311,12 +311,14 @@ def router_read_many[T: BaseModel, I: Identifiable](  # noqa: PLR0913
     """
     filter_query = sa.select(db_model_class)
 
-    if check_authorized_project and (
-        id_model_class := get_declaring_class(db_model_class, "authorized_project_id")
+    if (
+        user_context
+        and check_authorized_project
+        and (id_model_class := get_declaring_class(db_model_class, "authorized_project_id"))
     ):
-        filter_query = constrain_to_readable_entities_by_project(
+        filter_query = constrain_to_readable_entities_by_context(
             query=filter_query,
-            project_id=authorized_project_id,
+            user_context=user_context,
             db_model_class=id_model_class,
         )
 
diff --git a/app/queries/entity.py b/app/queries/entity.py
index 284444071..bff3ee727 100644
--- a/app/queries/entity.py
+++ b/app/queries/entity.py
@@ -13,11 +13,11 @@
 from app.schemas.auth import UserContext
 
 
-def get_accessible_entity[T: Entity](
+def get_readable_entity_by_project[T: Entity](
     db: Session,
     db_model_class: type[T],
     entity_id: uuid.UUID,
-    user_context: UserContext,
+    project_id: uuid.UUID,
 ) -> T:
     """Return a specific entity by type and id, readable by the given project.
 
@@ -25,23 +25,23 @@ def get_accessible_entity[T: Entity](
         db: db session.
         db_model_class: Entity subclass.
         entity_id: id of the entity.
-        user_context: UserContext
+        project_id: The project id
 
     Returns:
         the selected entity if it's public or owned by project_id,
         or raises NoResultFound if the entity doesn't exist, or it's forbidden.
     """
     query = sa.select(db_model_class).where(db_model_class.id == entity_id)
-    query = constrain_to_readable_entities_by_context(query=query, user_context=user_context)
+    query = constrain_to_readable_entities_by_project(query=query, project_id=project_id)
     with ensure_result(f"Entity {db_model_class.__name__} {entity_id} not found or forbidden"):
         return db.execute(query).scalar_one()
 
 
-def get_readable_entity[T: Entity](
+def get_readable_entity_by_context[T: Entity](
     db: Session,
     db_model_class: type[T],
+    user_context: UserContext,
     entity_id: uuid.UUID,
-    project_id: uuid.UUID | None,
 ) -> T:
     """Return a specific entity by type and id, readable by the given project.
 
@@ -49,14 +49,14 @@ def get_readable_entity[T: Entity](
         db: db session.
         db_model_class: Entity subclass.
         entity_id: id of the entity.
-        project_id: optional project id owning the entity.
+        user_context: The user context
 
     Returns:
         the selected entity if it's public or owned by project_id,
         or raises NoResultFound if the entity doesn't exist, or it's forbidden.
     """
     query = sa.select(db_model_class).where(db_model_class.id == entity_id)
-    query = constrain_to_readable_entities_by_project(query=query, project_id=project_id)
+    query = constrain_to_readable_entities_by_context(query=query, user_context=user_context)
     with ensure_result(f"Entity {db_model_class.__name__} {entity_id} not found or forbidden"):
         return db.execute(query).scalar_one()
 
diff --git a/app/service/admin.py b/app/service/admin.py
index dcd911034..802d66f7a 100644
--- a/app/service/admin.py
+++ b/app/service/admin.py
@@ -69,7 +69,7 @@ def get_entity_assets(
     return router_read_many(
         db=repos.db,
         db_model_class=db_model_class,
-        authorized_project_id=None,
+        user_context=None,
         with_search=None,
         with_in_brain_region=None,
         facets=None,
diff --git a/app/service/analysis_notebook_environment.py b/app/service/analysis_notebook_environment.py
index 0f4c6a968..fbe2ef761 100644
--- a/app/service/analysis_notebook_environment.py
+++ b/app/service/analysis_notebook_environment.py
@@ -172,7 +172,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=AnalysisNotebookEnvironmentRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/analysis_notebook_execution.py b/app/service/analysis_notebook_execution.py
index 2330ad2b7..4c5ab14bb 100644
--- a/app/service/analysis_notebook_execution.py
+++ b/app/service/analysis_notebook_execution.py
@@ -141,7 +141,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=AnalysisNotebookExecutionRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/analysis_notebook_result.py b/app/service/analysis_notebook_result.py
index a5d41387b..610fb5980 100644
--- a/app/service/analysis_notebook_result.py
+++ b/app/service/analysis_notebook_result.py
@@ -170,7 +170,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=AnalysisNotebookResultRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/analysis_notebook_template.py b/app/service/analysis_notebook_template.py
index 5fcbdb359..5f3abd731 100644
--- a/app/service/analysis_notebook_template.py
+++ b/app/service/analysis_notebook_template.py
@@ -173,7 +173,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=AnalysisNotebookTemplateRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/asset.py b/app/service/asset.py
index 2a2601ca3..9b8a884fd 100644
--- a/app/service/asset.py
+++ b/app/service/asset.py
@@ -66,7 +66,7 @@ def get_entity_assets(
     """Return the list of assets associated with a specific entity."""
     db_model_class = Asset
     entity_type = entity_route_to_type(entity_route)
-    _ = entity_service.get_readable_entity(
+    _ = entity_service.get_readable_entity_by_context(
         repos,
         user_context=user_context,
         entity_type=entity_type,
@@ -81,7 +81,7 @@ def get_entity_assets(
     return router_read_many(
         db=repos.db,
         db_model_class=db_model_class,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         with_search=None,
         with_in_brain_region=None,
         facets=None,
@@ -104,7 +104,7 @@ def get_entity_asset(
     asset_id: uuid.UUID,
 ) -> AssetRead:
     """Return an asset associated with a specific entity."""
-    _ = entity_service.get_readable_entity(
+    _ = entity_service.get_readable_entity_by_context(
         repos,
         user_context=user_context,
         entity_type=entity_type,
diff --git a/app/service/brain_atlas.py b/app/service/brain_atlas.py
index ef1eb796d..172fe823f 100644
--- a/app/service/brain_atlas.py
+++ b/app/service/brain_atlas.py
@@ -62,7 +62,7 @@ def _read_many(
     return app.queries.common.router_read_many(
         db=db,
         db_model_class=BrainAtlas,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         with_search=None,
         with_in_brain_region=None,
         facets=None,
@@ -204,7 +204,7 @@ def read_many_region(
     return app.queries.common.router_read_many(
         db=db,
         db_model_class=BrainAtlasRegion,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         with_search=None,
         with_in_brain_region=None,
         facets=None,
diff --git a/app/service/brain_atlas_region.py b/app/service/brain_atlas_region.py
index 648a2596a..8e19d3cbc 100644
--- a/app/service/brain_atlas_region.py
+++ b/app/service/brain_atlas_region.py
@@ -172,7 +172,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=BrainAtlasRegionRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/brain_region.py b/app/service/brain_region.py
index 04b4f493b..52e8f5137 100644
--- a/app/service/brain_region.py
+++ b/app/service/brain_region.py
@@ -56,7 +56,7 @@ def read_many(
     return app.queries.common.router_read_many(
         db=db,
         db_model_class=db_model_class,
-        authorized_project_id=None,
+        user_context=None,
         with_search=None,
         with_in_brain_region=None,
         facets=None,
diff --git a/app/service/brain_region_hierarchy.py b/app/service/brain_region_hierarchy.py
index 3ce3c7762..64ab30a19 100644
--- a/app/service/brain_region_hierarchy.py
+++ b/app/service/brain_region_hierarchy.py
@@ -57,7 +57,7 @@ def read_many(
     return app.queries.common.router_read_many(
         db=db,
         db_model_class=db_model_class,
-        authorized_project_id=None,
+        user_context=None,
         with_search=None,
         with_in_brain_region=None,
         facets=facets,
diff --git a/app/service/calibration.py b/app/service/calibration.py
index 39f107fd6..b7dbae9d4 100644
--- a/app/service/calibration.py
+++ b/app/service/calibration.py
@@ -139,7 +139,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=CalibrationRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/cell_composition.py b/app/service/cell_composition.py
index 350f1de73..2cd29817c 100644
--- a/app/service/cell_composition.py
+++ b/app/service/cell_composition.py
@@ -179,7 +179,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=CellCompositionRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         name_to_facet_query_params=name_to_facet_query_params,
         check_authorized_project=check_authorized_project,
diff --git a/app/service/cell_morphology.py b/app/service/cell_morphology.py
index f990b2231..824905309 100644
--- a/app/service/cell_morphology.py
+++ b/app/service/cell_morphology.py
@@ -229,7 +229,7 @@ def _read_many(
     return router_read_many(
         db=db,
         db_model_class=CellMorphology,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         with_search=with_search,
         with_in_brain_region=in_brain_region,
         facets=with_facets,
diff --git a/app/service/cell_morphology_protocol.py b/app/service/cell_morphology_protocol.py
index be71c30a5..2ae00dc7e 100644
--- a/app/service/cell_morphology_protocol.py
+++ b/app/service/cell_morphology_protocol.py
@@ -133,7 +133,7 @@ def _read_many(
     return router_read_many(
         db=db,
         db_model_class=CellMorphologyProtocol,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         with_search=None,
         with_in_brain_region=None,
         facets=with_facets,
diff --git a/app/service/circuit.py b/app/service/circuit.py
index 3be0401dd..6b1532f58 100644
--- a/app/service/circuit.py
+++ b/app/service/circuit.py
@@ -197,7 +197,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=CircuitRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/circuit_extraction_campaign.py b/app/service/circuit_extraction_campaign.py
index bd41c420a..a5ef0219c 100644
--- a/app/service/circuit_extraction_campaign.py
+++ b/app/service/circuit_extraction_campaign.py
@@ -174,7 +174,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=CircuitExtractionCampaignRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/circuit_extraction_config.py b/app/service/circuit_extraction_config.py
index 438394412..87370be19 100644
--- a/app/service/circuit_extraction_config.py
+++ b/app/service/circuit_extraction_config.py
@@ -180,7 +180,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=CircuitExtractionConfigRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/circuit_extraction_config_generation.py b/app/service/circuit_extraction_config_generation.py
index 94d4eefd8..7dbb5b7ca 100644
--- a/app/service/circuit_extraction_config_generation.py
+++ b/app/service/circuit_extraction_config_generation.py
@@ -136,7 +136,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=CircuitExtractionConfigGenerationRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/circuit_extraction_execution.py b/app/service/circuit_extraction_execution.py
index ae3d7e384..b34a74b76 100644
--- a/app/service/circuit_extraction_execution.py
+++ b/app/service/circuit_extraction_execution.py
@@ -139,7 +139,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=CircuitExtractionExecutionRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/consortium.py b/app/service/consortium.py
index 217f4956a..08ed446b6 100644
--- a/app/service/consortium.py
+++ b/app/service/consortium.py
@@ -53,7 +53,7 @@ def read_many(
     return app.queries.common.router_read_many(
         db=db,
         db_model_class=Consortium,
-        authorized_project_id=None,
+        user_context=None,
         with_search=None,
         with_in_brain_region=None,
         facets=None,
diff --git a/app/service/contribution.py b/app/service/contribution.py
index 15b77613b..21aa32998 100644
--- a/app/service/contribution.py
+++ b/app/service/contribution.py
@@ -8,7 +8,7 @@
 import app.queries.common
 from app.db.auth import (
     constrain_entity_query_to_project,
-    constrain_to_readable_entities_by_project,
+    constrain_to_readable_entities_by_context,
     constrain_to_writable_entities,
 )
 from app.db.model import Agent, Contribution, Entity, Person
@@ -79,8 +79,8 @@ def _read_many(
         aliases=aliases,
     )
     if check_authorized_project:
-        filter_query = lambda q: constrain_to_readable_entities_by_project(
-            query=_load(q), project_id=user_context.project_id
+        filter_query = lambda q: constrain_to_readable_entities_by_context(
+            query=_load(q), user_context=user_context
         )
     else:
         filter_query = _load
@@ -98,7 +98,7 @@ def _read_many(
         response_schema_class=ContributionRead,
         name_to_facet_query_params=name_to_facet_query_params,
         filter_model=filter_model,
-        authorized_project_id=user_context.project_id,
+        user_context=None,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
@@ -145,8 +145,8 @@ def read_one(
         db_model_class=Contribution,
         user_context=None,
         response_schema_class=ContributionRead,
-        apply_operations=lambda q: constrain_to_readable_entities_by_project(
-            query=_load(q), project_id=user_context.project_id
+        apply_operations=lambda q: constrain_to_readable_entities_by_context(
+            query=_load(q), user_context=user_context
         ),
     )
 
diff --git a/app/service/derivation.py b/app/service/derivation.py
index ca4579610..cb2a6014d 100644
--- a/app/service/derivation.py
+++ b/app/service/derivation.py
@@ -2,7 +2,7 @@
 
 import uuid
 from http import HTTPStatus
-from typing import TYPE_CHECKING, cast
+from typing import TYPE_CHECKING
 
 import sqlalchemy as sa
 from sqlalchemy.orm import aliased, joinedload, raiseload
@@ -27,7 +27,11 @@
     router_read_one,
     router_update_one,
 )
-from app.queries.entity import get_accessible_entity, get_writable_entity
+from app.queries.entity import (
+    get_readable_entity_by_context,
+    get_readable_entity_by_project,
+    get_writable_entity,
+)
 from app.queries.factory import query_params_factory
 from app.queries.utils import is_user_authorized_for_deletion
 from app.routers.types import EntityRoute
@@ -44,7 +48,6 @@
 
 if TYPE_CHECKING:
     from app.filters.base import Aliases
-    from app.schemas.auth import UserContext
 
 
 def _load(query: sa.Select):
@@ -98,7 +101,7 @@ def apply_filter_query_operations(q):
     return router_read_many(
         db=db,
         db_model_class=Derivation,
-        authorized_project_id=user_context.project_id,
+        user_context=None,  # Already filtered above
         with_search=None,
         with_in_brain_region=None,
         facets=None,
@@ -253,7 +256,7 @@ def _read_many_from_entity(
 
     # ensure that the requested entity is readable
     if check_authorized_project:
-        _ = get_accessible_entity(
+        _ = get_readable_entity_by_context(
             db,
             db_model_class=generated_db_model_class,
             entity_id=entity_id,
@@ -275,7 +278,7 @@ def _read_many_from_entity(
     return router_read_many(
         db=db,
         db_model_class=used_db_model_class,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         with_search=None,
         with_in_brain_region=None,
         facets=None,
@@ -349,11 +352,11 @@ def create_one(
 
     See also https://github.com/openbraininstitute/entitycore/issues/427
     """
-    _used_entity = get_accessible_entity(
+    _used_entity = get_readable_entity_by_project(
         db,
         Entity,
         json_model.used_id,
-        user_context=cast("UserContext", user_context),
+        project_id=user_context.project_id,
     )
     _generated_entity = get_writable_entity(
         db,
diff --git a/app/service/electrical_cell_recording.py b/app/service/electrical_cell_recording.py
index 48f99c2bc..c6b933535 100644
--- a/app/service/electrical_cell_recording.py
+++ b/app/service/electrical_cell_recording.py
@@ -170,7 +170,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=ElectricalCellRecordingRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/electrical_recording_stimulus.py b/app/service/electrical_recording_stimulus.py
index aefa5f954..74d63eeb2 100644
--- a/app/service/electrical_recording_stimulus.py
+++ b/app/service/electrical_recording_stimulus.py
@@ -153,7 +153,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=ElectricalRecordingStimulusRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/em_cell_mesh.py b/app/service/em_cell_mesh.py
index 6d498a71e..09477fa11 100644
--- a/app/service/em_cell_mesh.py
+++ b/app/service/em_cell_mesh.py
@@ -130,7 +130,7 @@ def _read_many(
     return router_read_many(
         db=db,
         db_model_class=EMCellMesh,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         with_search=with_search,
         with_in_brain_region=in_brain_region,
         facets=facets,
diff --git a/app/service/em_dense_reconstruction_dataset.py b/app/service/em_dense_reconstruction_dataset.py
index d6b6099ad..f1bb470f6 100644
--- a/app/service/em_dense_reconstruction_dataset.py
+++ b/app/service/em_dense_reconstruction_dataset.py
@@ -90,7 +90,7 @@ def _read_many(
     return router_read_many(
         db=db,
         db_model_class=EMDenseReconstructionDataset,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         with_search=with_search,
         with_in_brain_region=in_brain_region,
         facets=facets,
diff --git a/app/service/emodel.py b/app/service/emodel.py
index 0152120ed..d472fbe4f 100644
--- a/app/service/emodel.py
+++ b/app/service/emodel.py
@@ -197,7 +197,7 @@ def _read_many(
     return router_read_many(
         db=db,
         db_model_class=EModel,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         with_search=with_search,
         with_in_brain_region=in_brain_region,
         facets=facets,
diff --git a/app/service/entity.py b/app/service/entity.py
index 002e1bdbe..29e9fd9c2 100644
--- a/app/service/entity.py
+++ b/app/service/entity.py
@@ -19,7 +19,7 @@
 from app.schemas.entity import EntityCountRead, EntityRead
 
 
-def get_readable_entity(
+def get_readable_entity_by_context(
     repos: RepositoryGroup,
     *,
     user_context: UserContext,
@@ -27,11 +27,11 @@ def get_readable_entity(
     entity_id: uuid.UUID,
 ) -> Entity:
     db_model_class = ENTITY_TYPE_TO_CLASS[entity_type]
-    return app.queries.entity.get_readable_entity(
+    return app.queries.entity.get_readable_entity_by_context(
         db=repos.db,
         db_model_class=db_model_class,
         entity_id=entity_id,
-        project_id=user_context.project_id,
+        user_context=user_context,
     )
 
 
diff --git a/app/service/etype.py b/app/service/etype.py
index 3ae936e55..9500980c7 100644
--- a/app/service/etype.py
+++ b/app/service/etype.py
@@ -25,7 +25,7 @@ def read_many(
     return router_read_many(
         db=db,
         db_model_class=ETypeClass,
-        authorized_project_id=None,
+        user_context=None,
         with_search=None,
         with_in_brain_region=None,
         facets=None,
diff --git a/app/service/etype_classification.py b/app/service/etype_classification.py
index ac83e856e..e68c39108 100644
--- a/app/service/etype_classification.py
+++ b/app/service/etype_classification.py
@@ -145,7 +145,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=ETypeClassificationRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         with_in_brain_region=None,
         check_authorized_project=check_authorized_project,
diff --git a/app/service/experimental_bouton_density.py b/app/service/experimental_bouton_density.py
index 87ca74d9a..2639eeecd 100644
--- a/app/service/experimental_bouton_density.py
+++ b/app/service/experimental_bouton_density.py
@@ -134,7 +134,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=ExperimentalBoutonDensityRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/experimental_neuron_density.py b/app/service/experimental_neuron_density.py
index 185cba062..af7060855 100644
--- a/app/service/experimental_neuron_density.py
+++ b/app/service/experimental_neuron_density.py
@@ -125,7 +125,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=ExperimentalNeuronDensityRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/experimental_synapses_per_connection.py b/app/service/experimental_synapses_per_connection.py
index 530d3a646..f4d349fb2 100644
--- a/app/service/experimental_synapses_per_connection.py
+++ b/app/service/experimental_synapses_per_connection.py
@@ -149,7 +149,7 @@ def _read_many(
         apply_data_query_operations=_load,
         pagination_request=pagination_request,
         response_schema_class=ExperimentalSynapsesPerConnectionRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/external_url.py b/app/service/external_url.py
index 2aed517ea..ebc2fc6d9 100644
--- a/app/service/external_url.py
+++ b/app/service/external_url.py
@@ -116,7 +116,7 @@ def read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=ExternalUrlRead,
-        authorized_project_id=None,
+        user_context=None,
         filter_joins=filter_joins,
     )
 
diff --git a/app/service/ion_channel.py b/app/service/ion_channel.py
index 4c26e4203..5dce02e52 100644
--- a/app/service/ion_channel.py
+++ b/app/service/ion_channel.py
@@ -124,7 +124,7 @@ def read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=IonChannelRead,
-        authorized_project_id=None,
+        user_context=None,
         filter_joins=filter_joins,
     )
 
diff --git a/app/service/ion_channel_model.py b/app/service/ion_channel_model.py
index 243285327..ffbfe7150 100644
--- a/app/service/ion_channel_model.py
+++ b/app/service/ion_channel_model.py
@@ -108,7 +108,7 @@ def _read_many(
     return router_read_many(
         db=db,
         db_model_class=IonChannelModel,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         with_search=with_search,
         with_in_brain_region=in_brain_region,
         facets=facets,
diff --git a/app/service/ion_channel_modeling_campaign.py b/app/service/ion_channel_modeling_campaign.py
index 822231625..b94e80fb3 100644
--- a/app/service/ion_channel_modeling_campaign.py
+++ b/app/service/ion_channel_modeling_campaign.py
@@ -180,7 +180,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=IonChannelModelingCampaignRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/ion_channel_modeling_config.py b/app/service/ion_channel_modeling_config.py
index d1b8ce8ee..117bf2c57 100644
--- a/app/service/ion_channel_modeling_config.py
+++ b/app/service/ion_channel_modeling_config.py
@@ -175,7 +175,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=IonChannelModelingConfigRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/ion_channel_modeling_config_generation.py b/app/service/ion_channel_modeling_config_generation.py
index c800f2e5c..37ffc3216 100644
--- a/app/service/ion_channel_modeling_config_generation.py
+++ b/app/service/ion_channel_modeling_config_generation.py
@@ -136,7 +136,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=IonChannelModelingConfigGenerationRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/ion_channel_modeling_execution.py b/app/service/ion_channel_modeling_execution.py
index 986c350b5..648989f92 100644
--- a/app/service/ion_channel_modeling_execution.py
+++ b/app/service/ion_channel_modeling_execution.py
@@ -139,7 +139,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=IonChannelModelingExecutionRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/ion_channel_recording.py b/app/service/ion_channel_recording.py
index 2fcee1de0..da442b954 100644
--- a/app/service/ion_channel_recording.py
+++ b/app/service/ion_channel_recording.py
@@ -170,7 +170,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=IonChannelRecordingRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/license.py b/app/service/license.py
index 7fbd07c30..8533681c0 100644
--- a/app/service/license.py
+++ b/app/service/license.py
@@ -23,7 +23,7 @@ def read_many(
     return router_read_many(
         db=db,
         db_model_class=License,
-        authorized_project_id=None,
+        user_context=None,
         with_search=None,
         with_in_brain_region=None,
         facets=None,
diff --git a/app/service/measurement_annotation.py b/app/service/measurement_annotation.py
index 6f7db26df..4d2bb4772 100644
--- a/app/service/measurement_annotation.py
+++ b/app/service/measurement_annotation.py
@@ -13,7 +13,7 @@
 
 from app.db.auth import (
     constrain_entity_query_to_project,
-    constrain_to_readable_entities_by_project,
+    constrain_to_readable_entities_by_context,
     constrain_to_writable_entities,
 )
 from app.db.model import (
@@ -105,9 +105,9 @@ def read_many(
     filter_model: MeasurementAnnotationFilterDep,
     pagination_request: PaginationQuery,
 ) -> ListResponse[MeasurementAnnotationRead]:
-    apply_filter_query_operations = lambda q: constrain_to_readable_entities_by_project(
+    apply_filter_query_operations = lambda q: constrain_to_readable_entities_by_context(
         query=q.join(Entity, Entity.id == MeasurementAnnotation.entity_id),
-        project_id=user_context.project_id,
+        user_context=user_context,
     )
     facet_keys = []
     filter_keys = [
@@ -124,7 +124,7 @@ def read_many(
     return router_read_many(
         db=db,
         db_model_class=MeasurementAnnotation,
-        authorized_project_id=None,  # validated with apply_filter_query_operations
+        user_context=None,  # validated with apply_filter_query_operations
         with_search=None,
         with_in_brain_region=None,
         facets=None,
@@ -163,7 +163,7 @@ def admin_read_many(
     return router_read_many(
         db=db,
         db_model_class=MeasurementAnnotation,
-        authorized_project_id=None,  # validated with apply_filter_query_operations
+        user_context=None,  # validated with apply_filter_query_operations
         with_search=None,
         with_in_brain_region=None,
         facets=None,
@@ -185,7 +185,7 @@ def read_one(
 ) -> MeasurementAnnotationRead:
     def apply_operations(q):
         q = q.join(Entity, Entity.id == MeasurementAnnotation.entity_id)
-        q = constrain_to_readable_entities_by_project(query=q, project_id=user_context.project_id)
+        q = constrain_to_readable_entities_by_context(query=q, user_context=user_context)
         return _load_from_db(q=q)
 
     return router_read_one(
diff --git a/app/service/measurement_label.py b/app/service/measurement_label.py
index b40d892ca..09f5a11ca 100644
--- a/app/service/measurement_label.py
+++ b/app/service/measurement_label.py
@@ -95,7 +95,7 @@ def read_many(
     return app.queries.common.router_read_many(
         db=db,
         db_model_class=MeasurementLabel,
-        authorized_project_id=None,
+        user_context=None,
         with_search=None,
         with_in_brain_region=None,
         facets=None,
diff --git a/app/service/memodel.py b/app/service/memodel.py
index fd1715199..2b80550da 100644
--- a/app/service/memodel.py
+++ b/app/service/memodel.py
@@ -211,7 +211,7 @@ def _read_many(
     return router_read_many(
         db=db,
         db_model_class=MEModel,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         with_search=search,
         with_in_brain_region=in_brain_region,
         facets=facets,
diff --git a/app/service/memodel_calibration_result.py b/app/service/memodel_calibration_result.py
index 2c148c28e..01758d92e 100644
--- a/app/service/memodel_calibration_result.py
+++ b/app/service/memodel_calibration_result.py
@@ -159,7 +159,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=MEModelCalibrationResultRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/mtype.py b/app/service/mtype.py
index 7a9c68975..7f416949c 100644
--- a/app/service/mtype.py
+++ b/app/service/mtype.py
@@ -25,7 +25,7 @@ def read_many(
     return router_read_many(
         db=db,
         db_model_class=MTypeClass,
-        authorized_project_id=None,
+        user_context=None,
         with_search=None,
         with_in_brain_region=None,
         facets=None,
diff --git a/app/service/mtype_classification.py b/app/service/mtype_classification.py
index 3ea74c7f4..e689041bd 100644
--- a/app/service/mtype_classification.py
+++ b/app/service/mtype_classification.py
@@ -146,7 +146,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=MTypeClassificationRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         with_in_brain_region=None,
         check_authorized_project=check_authorized_project,
diff --git a/app/service/organization.py b/app/service/organization.py
index 8b45be474..0a0d970ec 100644
--- a/app/service/organization.py
+++ b/app/service/organization.py
@@ -53,7 +53,7 @@ def read_many(
     return app.queries.common.router_read_many(
         db=db,
         db_model_class=Organization,
-        authorized_project_id=None,
+        user_context=None,
         with_search=None,
         with_in_brain_region=None,
         facets=None,
diff --git a/app/service/person.py b/app/service/person.py
index 1816f0af6..c555ee031 100644
--- a/app/service/person.py
+++ b/app/service/person.py
@@ -64,7 +64,7 @@ def read_many(
     return router_read_many(
         db=db,
         db_model_class=Person,
-        authorized_project_id=None,
+        user_context=None,
         with_search=None,
         with_in_brain_region=None,
         facets=None,
diff --git a/app/service/publication.py b/app/service/publication.py
index b5618c24d..1f43d6b87 100644
--- a/app/service/publication.py
+++ b/app/service/publication.py
@@ -117,7 +117,7 @@ def read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=PublicationRead,
-        authorized_project_id=None,
+        user_context=None,
         filter_joins=filter_joins,
     )
 
diff --git a/app/service/role.py b/app/service/role.py
index 8af7b7031..f65af321c 100644
--- a/app/service/role.py
+++ b/app/service/role.py
@@ -23,7 +23,7 @@ def read_many(
     return router_read_many(
         db=db,
         db_model_class=Role,
-        authorized_project_id=None,
+        user_context=None,
         with_search=None,
         with_in_brain_region=None,
         facets=None,
diff --git a/app/service/scientific_artifact_external_url_link.py b/app/service/scientific_artifact_external_url_link.py
index a3f2d51a0..414806acc 100644
--- a/app/service/scientific_artifact_external_url_link.py
+++ b/app/service/scientific_artifact_external_url_link.py
@@ -5,7 +5,7 @@
 from sqlalchemy.orm import aliased, joinedload, raiseload
 
 from app.db.auth import (
-    constrain_to_readable_entities_by_project,
+    constrain_to_readable_entities_by_context,
 )
 from app.db.model import (
     ExternalUrl,
@@ -146,9 +146,9 @@ def _read_many(
     )
 
     if check_authorized_project:
-        filter_query = lambda q: constrain_to_readable_entities_by_project(
+        filter_query = lambda q: constrain_to_readable_entities_by_context(
             query=base_join_query(q),
-            project_id=user_context.project_id,
+            user_context=user_context,
             db_model_class=scientific_artifact_alias,
         )
     else:
@@ -167,7 +167,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=ScientificArtifactExternalUrlLinkRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/scientific_artifact_publication_link.py b/app/service/scientific_artifact_publication_link.py
index 1ed783d88..124c53a69 100644
--- a/app/service/scientific_artifact_publication_link.py
+++ b/app/service/scientific_artifact_publication_link.py
@@ -5,7 +5,7 @@
 from sqlalchemy.orm import aliased, joinedload, raiseload
 
 from app.db.auth import (
-    constrain_to_readable_entities_by_project,
+    constrain_to_readable_entities_by_context,
 )
 from app.db.model import (
     Person,
@@ -146,9 +146,9 @@ def _read_many(
     )
 
     if check_authorized_project:
-        filter_query = lambda q: constrain_to_readable_entities_by_project(
+        filter_query = lambda q: constrain_to_readable_entities_by_context(
             query=base_join_query(q),
-            project_id=user_context.project_id,
+            user_context=user_context,
             db_model_class=scientific_artifact_alias,
         )
     else:
@@ -167,7 +167,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=ScientificArtifactPublicationLinkRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
     )
 
diff --git a/app/service/simulatable_extracellular_recording_array.py b/app/service/simulatable_extracellular_recording_array.py
index 787e8e852..b4e78d954 100644
--- a/app/service/simulatable_extracellular_recording_array.py
+++ b/app/service/simulatable_extracellular_recording_array.py
@@ -181,7 +181,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=SimulatableExtracellularRecordingArrayRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/simulation.py b/app/service/simulation.py
index 1e3cfb28c..8b52040dd 100644
--- a/app/service/simulation.py
+++ b/app/service/simulation.py
@@ -179,7 +179,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=SimulationRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/simulation_campaign.py b/app/service/simulation_campaign.py
index 3dbe357ad..c47532bc3 100644
--- a/app/service/simulation_campaign.py
+++ b/app/service/simulation_campaign.py
@@ -187,7 +187,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=SimulationCampaignRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/simulation_execution.py b/app/service/simulation_execution.py
index 2a937b2ba..129de7d13 100644
--- a/app/service/simulation_execution.py
+++ b/app/service/simulation_execution.py
@@ -139,7 +139,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=SimulationExecutionRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         check_authorized_project=check_authorized_project,
         filter_joins=filter_joins,
     )
diff --git a/app/service/simulation_generation.py b/app/service/simulation_generation.py
index bbdfe5772..f898ab0ea 100644
--- a/app/service/simulation_generation.py
+++ b/app/service/simulation_generation.py
@@ -134,7 +134,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=SimulationGenerationRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/simulation_result.py b/app/service/simulation_result.py
index 31126b19e..d0fd1298b 100644
--- a/app/service/simulation_result.py
+++ b/app/service/simulation_result.py
@@ -174,7 +174,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=SimulationResultRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/single_neuron_simulation.py b/app/service/single_neuron_simulation.py
index 0257c27b8..10129197a 100644
--- a/app/service/single_neuron_simulation.py
+++ b/app/service/single_neuron_simulation.py
@@ -178,7 +178,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=SingleNeuronSimulationRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/single_neuron_synaptome.py b/app/service/single_neuron_synaptome.py
index ea5991ffb..7ef58b732 100644
--- a/app/service/single_neuron_synaptome.py
+++ b/app/service/single_neuron_synaptome.py
@@ -182,7 +182,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=SingleNeuronSynaptomeRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/single_neuron_synaptome_simulation.py b/app/service/single_neuron_synaptome_simulation.py
index 4e0052c32..234b3c2ec 100644
--- a/app/service/single_neuron_synaptome_simulation.py
+++ b/app/service/single_neuron_synaptome_simulation.py
@@ -193,7 +193,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=SingleNeuronSynaptomeSimulationRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/skeletonization_campaign.py b/app/service/skeletonization_campaign.py
index 52438d79d..2fc2ad971 100644
--- a/app/service/skeletonization_campaign.py
+++ b/app/service/skeletonization_campaign.py
@@ -183,7 +183,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=ReadSchema,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/skeletonization_config.py b/app/service/skeletonization_config.py
index 1260869a4..451b3d816 100644
--- a/app/service/skeletonization_config.py
+++ b/app/service/skeletonization_config.py
@@ -182,7 +182,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=ReadSchema,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/skeletonization_config_generation.py b/app/service/skeletonization_config_generation.py
index 6fa5e5243..0de1e80c4 100644
--- a/app/service/skeletonization_config_generation.py
+++ b/app/service/skeletonization_config_generation.py
@@ -148,7 +148,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=ReadSchema,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/skeletonization_execution.py b/app/service/skeletonization_execution.py
index 031b01b67..cf98c8be6 100644
--- a/app/service/skeletonization_execution.py
+++ b/app/service/skeletonization_execution.py
@@ -147,7 +147,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=ReadSchema,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/species.py b/app/service/species.py
index 23c5af3d4..d8e63ff84 100644
--- a/app/service/species.py
+++ b/app/service/species.py
@@ -102,7 +102,7 @@ def read_many(
     return app.queries.common.router_read_many(
         db=db,
         db_model_class=Species,
-        authorized_project_id=None,
+        user_context=None,
         with_search=None,
         with_in_brain_region=None,
         facets=None,
diff --git a/app/service/strain.py b/app/service/strain.py
index 9304ec8a8..9cd0dfcaa 100644
--- a/app/service/strain.py
+++ b/app/service/strain.py
@@ -60,7 +60,7 @@ def read_many(
     return app.queries.common.router_read_many(
         db=db,
         db_model_class=Strain,
-        authorized_project_id=None,
+        user_context=None,
         with_search=None,
         with_in_brain_region=None,
         facets=None,
diff --git a/app/service/subject.py b/app/service/subject.py
index 0ceedc3fb..d1040bb00 100644
--- a/app/service/subject.py
+++ b/app/service/subject.py
@@ -158,7 +158,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=SubjectRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/task_activity.py b/app/service/task_activity.py
index fb04236cb..b798525c6 100644
--- a/app/service/task_activity.py
+++ b/app/service/task_activity.py
@@ -147,7 +147,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=ReadSchema,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/task_config.py b/app/service/task_config.py
index cb68c230e..31fd1edb7 100644
--- a/app/service/task_config.py
+++ b/app/service/task_config.py
@@ -183,7 +183,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=ReadSchema,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/validation.py b/app/service/validation.py
index aadf4ba85..ca1b818e0 100644
--- a/app/service/validation.py
+++ b/app/service/validation.py
@@ -139,7 +139,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=ValidationRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )
diff --git a/app/service/validation_result.py b/app/service/validation_result.py
index d9226d48c..784a0e2a7 100644
--- a/app/service/validation_result.py
+++ b/app/service/validation_result.py
@@ -163,7 +163,7 @@ def _read_many(
         aliases=aliases,
         pagination_request=pagination_request,
         response_schema_class=ValidationResultRead,
-        authorized_project_id=user_context.project_id,
+        user_context=user_context,
         filter_joins=filter_joins,
         check_authorized_project=check_authorized_project,
     )