diff --git a/pyproject.toml.unversioned b/pyproject.toml.unversioned
index e2a10e67d..e6c058400 100644
--- a/pyproject.toml.unversioned
+++ b/pyproject.toml.unversioned
@@ -116,6 +116,7 @@ packages = [
     "spatialprofilingtoolbox.ondemand.providers",
     "spatialprofilingtoolbox.ondemand.scripts",
     "spatialprofilingtoolbox.db",
+    "spatialprofilingtoolbox.db.accessors",
     "spatialprofilingtoolbox.db.exchange_data_formats",
     "spatialprofilingtoolbox.db.scripts",
     "spatialprofilingtoolbox.db.data_model",
diff --git a/spatialprofilingtoolbox/apiserver/app/main.py b/spatialprofilingtoolbox/apiserver/app/main.py
index 0c2a5f967..29ae61c41 100644
--- a/spatialprofilingtoolbox/apiserver/app/main.py
+++ b/spatialprofilingtoolbox/apiserver/app/main.py
@@ -21,6 +21,7 @@
     PhenotypeCriteria,
     PhenotypeCounts,
     UnivariateMetricsComputationResult,
+    CGGNNImportanceRank,
 )
 from spatialprofilingtoolbox.db.exchange_data_formats.metrics import UMAPChannel
 from spatialprofilingtoolbox.db.querying import query
@@ -222,6 +223,14 @@ async def request_spatial_metrics_computation_custom_phenotypes(  # pylint: disa
     return get_squidpy_metrics(study, markers, feature_class, radius=radius)
 
 
+@app.get("/request-cggnn-metrics/")
+async def request_cggnn_metrics(
+    study: ValidStudy,
+) -> list[CGGNNImportanceRank]:
+    """Importance scores as calculated by cggnn."""
+    return query().get_cggnn_metrics(study)
+
+
 def get_proximity_metrics(
     study: str,
     markers: list[list[str]],
diff --git a/spatialprofilingtoolbox/cggnn/scripts/run_sql.py b/spatialprofilingtoolbox/cggnn/scripts/run_sql.py
deleted file mode 100644
index 8244df941..000000000
--- a/spatialprofilingtoolbox/cggnn/scripts/run_sql.py
+++ /dev/null
@@ -1,147 +0,0 @@
-"Run through the entire SPT CG-GNN pipeline, starting from a SPT SQL database."
-
-from argparse import ArgumentParser
-from spatialprofilingtoolbox.standalone_utilities.module_load_error import SuggestExtrasException
-try:
-    from cggnn.run_all import run_pipeline
-except ModuleNotFoundError as e:
-    SuggestExtrasException(e, 'cggnn')
-
-
-def parse_arguments():
-    """Process command line arguments."""
-    parser = ArgumentParser(
-        prog='spt cggnn run_sql',
-        description='Create cell graphs from SPT SQL tables, train a graph neural network on '
-        'them, and save resultant model, metrics, and visualizations (if requested) to file.'
-    )
-    parser.add_argument(
-        '--study',
-        type=str,
-        help='Name of the study to query data for in SPT.',
-        required=True
-    )
-    parser.add_argument(
-        '--host',
-        type=str,
-        help='Host SQL server IP.',
-        required=True
-    )
-    parser.add_argument(
-        '--dbname',
-        type=str,
-        help='Database in SQL server to query.',
-        required=True
-    )
-    parser.add_argument(
-        '--user',
-        type=str,
-        help='Server login username.',
-        required=True
-    )
-    parser.add_argument(
-        '--password',
-        type=str,
-        help='Server login password.',
-        required=True
-    )
-    parser.add_argument(
-        '--validation_data_percent',
-        type=int,
-        help='Percentage of data to use as validation data. Set to 0 if you want to do k-fold '
-        'cross-validation later. (Training percentage is implicit.) Default 15%.',
-        default=15,
-        required=False
-    )
-    parser.add_argument(
-        '--test_data_percent',
-        type=int,
-        help='Percentage of data to use as the test set. (Training percentage is implicit.) '
-        'Default 15%.',
-        default=15,
-        required=False
-    )
-    parser.add_argument(
-        '--roi_side_length',
-        type=int,
-        help='Side length in pixels of the ROI areas we wish to generate.',
-        default=600,
-        required=False
-    )
-    parser.add_argument(
-        '--target_column',
-        type=str,
-        help='Phenotype column to use to build ROIs around.',
-        default=None,
-        required=False
-    )
-    parser.add_argument(
-        '-b',
-        '--batch_size',
-        type=int,
-        help='batch size.',
-        default=1,
-        required=False
-    )
-    parser.add_argument(
-        '--epochs',
-        type=int,
-        help='epochs.',
-        default=10,
-        required=False
-    )
-    parser.add_argument(
-        '-l',
-        '--learning_rate',
-        type=float,
-        help='learning rate.',
-        default=10e-3,
-        required=False
-    )
-    parser.add_argument(
-        '-k',
-        '--k_folds',
-        type=int,
-        help='Folds to use in k-fold cross validation. 0 means don\'t use k-fold cross validation '
-        'unless no validation dataset is provided, in which case k defaults to 3.',
-        required=False,
-        default=0
-    )
-    parser.add_argument(
-        '--explainer',
-        type=str,
-        help='Which explainer type to use.',
-        default='pp',
-        required=False
-    )
-    parser.add_argument(
-        '--merge_rois',
-        help='Merge ROIs together by specimen.',
-        action='store_true'
-    )
-    parser.add_argument(
-        '--prune_misclassified',
-        help='Remove entries for misclassified cell graphs when calculating separability scores.',
-        action='store_true'
-    )
-    return parser.parse_args()
-
-
-if __name__ == "__main__":
-    args = parse_arguments()
-    run_pipeline(args.study,
-                 args.host,
-                 args.dbname,
-                 args.user,
-                 args.password,
-                 args.validation_data_percent,
-                 args.test_data_percent,
-                 args.roi_side_length,
-                 args.target_column,
-                 args.batch_size,
-                 args.epochs,
-                 args.learning_rate,
-                 args.k_folds,
-                 args.explainer,
-                 args.merge_rois,
-                 args.prune_misclassified)
diff --git a/spatialprofilingtoolbox/cggnn/scripts/upload.py b/spatialprofilingtoolbox/cggnn/scripts/upload.py
new file mode 100644
index 000000000..cfd79aed7
--- /dev/null
+++ b/spatialprofilingtoolbox/cggnn/scripts/upload.py
@@ -0,0 +1,44 @@
+"""Upload importance score output from a cg-gnn instance to the local db."""
+
+from argparse import ArgumentParser
+
+from pandas import read_csv
+
+from spatialprofilingtoolbox.db.database_connection import DatabaseConnectionMaker
+from spatialprofilingtoolbox.db.importance_score_transcriber import transcribe_importance
+
+
+def parse_arguments():
+    """Process command line arguments."""
+    parser = ArgumentParser(
+        prog='spt cggnn upload-importances',
+        description='Save cell importance scores as defined by cggnn to the database.'
+    )
+    parser.add_argument(
+        '--spt_db_config_location',
+        type=str,
+        help='File location for SPT DB config file.',
+        required=True
+    )
+    parser.add_argument(
+        '--importances_csv_path',
+        type=str,
+        help='File location for the importances CSV.',
+        required=True
+    )
+    parser.add_argument(
+        '--cohort_stratifier',
+        type=str,
+        help='Name of the classification cohort variable the GNN was trained on.',
+        default='',
+        required=False
+    )
+    return parser.parse_args()
+
+
+if __name__ == "__main__":
+    args = parse_arguments()
+    df = read_csv(args.importances_csv_path, index_col=0)
+    connection = DatabaseConnectionMaker(args.spt_db_config_location).get_connection()
+    transcribe_importance(df, connection, cohort_stratifier=args.cohort_stratifier)
+    connection.close()
diff --git a/spatialprofilingtoolbox/db/accessors/__init__.py b/spatialprofilingtoolbox/db/accessors/__init__.py
new file mode 100644
index 000000000..49466aaa0
--- /dev/null
+++ b/spatialprofilingtoolbox/db/accessors/__init__.py
@@ -0,0 +1,7 @@
+"""Convenience classes for accessing various data in the database."""
+
+from spatialprofilingtoolbox.db.accessors.cggnn import CGGNNAccess
+from spatialprofilingtoolbox.db.accessors.fractions_and_associations import FractionsAccess
+from spatialprofilingtoolbox.db.accessors.phenotypes import PhenotypesAccess
+from spatialprofilingtoolbox.db.accessors.study import StudyAccess
+from spatialprofilingtoolbox.db.accessors.umap import UMAPAccess
diff --git a/spatialprofilingtoolbox/db/accessors/cggnn.py b/spatialprofilingtoolbox/db/accessors/cggnn.py
new file mode 100644
index 000000000..aaf3e3e08
--- /dev/null
+++ b/spatialprofilingtoolbox/db/accessors/cggnn.py
@@ -0,0 +1,36 @@
+"""Convenience access of cg-gnn metrics."""
+
+from spatialprofilingtoolbox import get_feature_description
+from spatialprofilingtoolbox.db.accessors.study import StudyAccess
+from spatialprofilingtoolbox.db.database_connection import SimpleReadOnlyProvider
+from spatialprofilingtoolbox.db.exchange_data_formats.metrics import CGGNNImportanceRank
+
+
+class CGGNNAccess(SimpleReadOnlyProvider):
+    """Access to cg-gnn features from database."""
+
+    def get_metrics(self, study: str) -> list[CGGNNImportanceRank]:
+        """Get cg-gnn metrics for this study.
+
+        Returns
+        -------
+        list[CGGNNImportanceRank]
+            List of (histological structure ID, importance rank) tuples.
+        """
+        components = StudyAccess(self.cursor).get_study_components(study)
+        self.cursor.execute(f'''
+            SELECT
+                qfv.subject,
+                qfv.value
+            FROM quantitative_feature_value qfv
+                JOIN feature_specification fs
+                    ON fs.identifier=qfv.feature
+            WHERE fs.derivation_method='{get_feature_description("gnn importance score")}'
+                AND fs.study='{components.analysis}'
+            ;
+        ''')
+        rows = self.cursor.fetchall()
+        return [CGGNNImportanceRank(
+            histological_structure_id=int(row[0]),
+            rank=int(row[1])
+        ) for row in rows]
diff --git a/spatialprofilingtoolbox/db/fractions_and_associations.py b/spatialprofilingtoolbox/db/accessors/fractions_and_associations.py
similarity index 98%
rename from spatialprofilingtoolbox/db/fractions_and_associations.py
rename to spatialprofilingtoolbox/db/accessors/fractions_and_associations.py
index e707353ad..65c937225 100644
--- a/spatialprofilingtoolbox/db/fractions_and_associations.py
+++ b/spatialprofilingtoolbox/db/accessors/fractions_and_associations.py
@@ -2,7 +2,7 @@
 from spatialprofilingtoolbox.db.exchange_data_formats.metrics import CellFractionsSummary
 from spatialprofilingtoolbox.db.exchange_data_formats.metrics import CellFractionsAverage
 from spatialprofilingtoolbox.db.exchange_data_formats.metrics import FeatureAssociationTest
-from spatialprofilingtoolbox.db.study_access import StudyAccess
+from spatialprofilingtoolbox.db.accessors.study import StudyAccess
 from spatialprofilingtoolbox.db.cohorts import _replace_stratum_identifiers
 from spatialprofilingtoolbox import get_feature_description
 from spatialprofilingtoolbox.db.database_connection import SimpleReadOnlyProvider
diff --git a/spatialprofilingtoolbox/db/phenotypes.py b/spatialprofilingtoolbox/db/accessors/phenotypes.py
similarity index 98%
rename from spatialprofilingtoolbox/db/phenotypes.py
rename to spatialprofilingtoolbox/db/accessors/phenotypes.py
index 6841f5eb1..7aa491ee5 100644
--- a/spatialprofilingtoolbox/db/phenotypes.py
+++ b/spatialprofilingtoolbox/db/accessors/phenotypes.py
@@ -1,7 +1,7 @@
 """Convenience accessors/manipulators for phenotype data."""
 from spatialprofilingtoolbox.db.exchange_data_formats.metrics import PhenotypeSymbol
 from spatialprofilingtoolbox.db.exchange_data_formats.metrics import PhenotypeCriteria
-from spatialprofilingtoolbox.db.study_access import StudyAccess
+from spatialprofilingtoolbox.db.accessors.study import StudyAccess
 from spatialprofilingtoolbox.db.database_connection import SimpleReadOnlyProvider
 
 
diff --git a/spatialprofilingtoolbox/db/study_access.py b/spatialprofilingtoolbox/db/accessors/study.py
similarity index 100%
rename from spatialprofilingtoolbox/db/study_access.py
rename to spatialprofilingtoolbox/db/accessors/study.py
diff --git a/spatialprofilingtoolbox/db/umap.py b/spatialprofilingtoolbox/db/accessors/umap.py
similarity index 100%
rename from spatialprofilingtoolbox/db/umap.py
rename to spatialprofilingtoolbox/db/accessors/umap.py
diff --git a/spatialprofilingtoolbox/db/database_connection.py b/spatialprofilingtoolbox/db/database_connection.py
index 16be0c6ba..dc8bc4d5f 100644
--- a/spatialprofilingtoolbox/db/database_connection.py
+++ b/spatialprofilingtoolbox/db/database_connection.py
@@ -166,6 +166,7 @@ class (QueryCursor) newly provides on each invocation.
     retrieve_signature_of_phenotype: Callable
     get_umaps_low_resolution: Callable
     get_umap: Callable
+    get_cggnn_metrics: Callable
 
     def __init__(self, query_handler: Type):
         self.query_handler = query_handler
diff --git a/spatialprofilingtoolbox/db/exchange_data_formats/metrics.py b/spatialprofilingtoolbox/db/exchange_data_formats/metrics.py
index c1c5173d5..ea50aab5f 100644
--- a/spatialprofilingtoolbox/db/exchange_data_formats/metrics.py
+++ b/spatialprofilingtoolbox/db/exchange_data_formats/metrics.py
@@ -85,3 +85,9 @@ class UMAPChannel(BaseModel):
     """
     channel: str
     base64_png: str
+
+
+class CGGNNImportanceRank(BaseModel):
+    """The importance ranking of histological structures in a study."""
+    histological_structure_id: int
+    rank: int
diff --git a/spatialprofilingtoolbox/db/feature_matrix_extractor.py b/spatialprofilingtoolbox/db/feature_matrix_extractor.py
index 6e25775d5..9c73b7d5c 100644
--- a/spatialprofilingtoolbox/db/feature_matrix_extractor.py
+++ b/spatialprofilingtoolbox/db/feature_matrix_extractor.py
@@ -10,12 +10,14 @@
 
 from spatialprofilingtoolbox import DatabaseConnectionMaker
 from spatialprofilingtoolbox.db.exchange_data_formats.metrics import PhenotypeCriteria
-from spatialprofilingtoolbox.db.phenotypes import PhenotypesAccess
+from spatialprofilingtoolbox.db.accessors import (
+    StudyAccess,
+    PhenotypesAccess,
+)
 from spatialprofilingtoolbox.db.stratification_puller import (
     StratificationPuller,
     Stratification,
 )
-from spatialprofilingtoolbox.db.study_access import StudyAccess
 from spatialprofilingtoolbox.workflow.common.structure_centroids_puller import \
     StructureCentroidsPuller
 from spatialprofilingtoolbox.workflow.common.sparse_matrix_puller import SparseMatrixPuller
diff --git a/spatialprofilingtoolbox/db/importance_score_transcriber.py b/spatialprofilingtoolbox/db/importance_score_transcriber.py
index 4b7017916..9cedf1af6 100644
--- a/spatialprofilingtoolbox/db/importance_score_transcriber.py
+++ b/spatialprofilingtoolbox/db/importance_score_transcriber.py
@@ -17,20 +17,20 @@ def transcribe_importance(
     df: DataFrame,
     connection: Connection,
     per_specimen_selection_number: int = 1000,
-    cohort_stratifier: str='default sample stratification',
+    cohort_stratifier: str = '',
 ) -> None:
     r"""Upload importance score output from a cg-gnn instance to the local db.
 
     Parameters:
         df: DataFrame
             One column, `importance_score`, indexed by `histological_structure`.
-        cohort_stratifier: str
-            Name of the classification cohort variable the GNN was trained on to produce
-                the importance score.
         connection: psycopg2.extensions.connection
         per_specimen_selection_number: int
             Grab this many of the most important cells from each specimen (or fewer if there
             aren't enough cells in the specimen).
+        cohort_stratifier: str = ''
+            Name of the classification cohort variable the GNN was trained on to produce
+                the importance score.
     """
     study = _get_referenced_study(connection, df)
     indicator: str = 'cell importance'
diff --git a/spatialprofilingtoolbox/db/querying.py b/spatialprofilingtoolbox/db/querying.py
index 206e191d2..ebb1a8486 100644
--- a/spatialprofilingtoolbox/db/querying.py
+++ b/spatialprofilingtoolbox/db/querying.py
@@ -13,12 +13,17 @@
     Channel,
     PhenotypeCriteria,
     UMAPChannel,
+    CGGNNImportanceRank,
 )
 from spatialprofilingtoolbox.db.cohorts import get_cohort_identifiers
-from spatialprofilingtoolbox.db.study_access import StudyAccess
-from spatialprofilingtoolbox.db.fractions_and_associations import FractionsAccess
-from spatialprofilingtoolbox.db.phenotypes import PhenotypesAccess
-from spatialprofilingtoolbox.db.umap import UMAPAccess
+from spatialprofilingtoolbox.db.accessors import (
+    CGGNNAccess,
+    StudyAccess,
+    FractionsAccess,
+    PhenotypesAccess,
+    UMAPAccess,
+)
+
 
 class QueryHandler:
     """Handle simple queries to the database."""
@@ -108,6 +113,10 @@ def get_umaps_low_resolution(cls, cursor, study: str) -> list[UMAPChannel]:
     def get_umap(cls, cursor, study: str, channel: str) -> UMAPChannel:
         return UMAPAccess(cursor).get_umap_row_for_channel(study, channel)
 
+    @classmethod
+    def get_cggnn_metrics(cls, cursor, study: str) -> list[CGGNNImportanceRank]:
+        return CGGNNAccess(cursor).get_metrics(study)
+
 
 def query() -> QueryCursor:
     return QueryCursor(QueryHandler)
diff --git a/test/apiserver/unit_tests/test_lookup_study_from_specimen.py b/test/apiserver/unit_tests/test_lookup_study_from_specimen.py
index 946b595e3..881d7e0e0 100644
--- a/test/apiserver/unit_tests/test_lookup_study_from_specimen.py
+++ b/test/apiserver/unit_tests/test_lookup_study_from_specimen.py
@@ -3,7 +3,7 @@
 import os
 
 from spatialprofilingtoolbox.db.database_connection import DBCursor
-from spatialprofilingtoolbox.db.study_access import StudyAccess
+from spatialprofilingtoolbox.db.accessors import StudyAccess
 
 def test_lookup():
     environment = {