diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3e829bb..f49d771 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+# 5.x.x (2026-01-28)
+
+## New features
+
+- The `/server`-endpoint result now contains the name of classes that are
+  supported by the collections, i.e., classes for which storage- and
+  validation-endpoints exist.
+
+
 # 5.3.6 (2026-01-13)
 
 ## Changes
diff --git a/dump_things_service/main.py b/dump_things_service/main.py
index 0cd93e6..8de67f0 100644
--- a/dump_things_service/main.py
+++ b/dump_things_service/main.py
@@ -101,6 +101,7 @@ class TokenCapabilityRequest(BaseModel):
 class ServerCollectionResponse(BaseModel):
     name: str
     schema: str
+    classes: list[str]
 
 
 class ServerCollectionCountedResponse(ServerCollectionResponse):
@@ -416,6 +417,7 @@ async def server() -> ServerResponse:
             ServerCollectionResponse(
                 name=collection_name,
                 schema=g_instance_config.schemas[collection_name],
+                classes=g_instance_config.model_info[collection_name][1],
             )
             for collection_name in g_instance_config.collections
         ]
diff --git a/dump_things_service/tests/test_basic.py b/dump_things_service/tests/test_basic.py
index 4edb46c..fbf87cb 100644
--- a/dump_things_service/tests/test_basic.py
+++ b/dump_things_service/tests/test_basic.py
@@ -392,50 +392,40 @@ def test_server(fastapi_client_simple):
     response = test_client.get(
         '/server',
     )
+    test_schema_classes = [
+        'Thing',
+        'Agent',
+        'InstantaneousEvent',
+        'Person',
+    ]
+    flat_social_classes = [
+        'Thing',
+        'Property',
+        'ValueSpecification',
+        'FlatThing',
+        'FlatProperty',
+        'AnnotationTag',
+        'Organization',
+        'Person',
+        'Project',
+    ]
     assert response.status_code == HTTP_200_OK
     assert response.json() == {
         'version': __version__,
         'collections': [
             {
-                'name': 'collection_1',
+                'name': f'collection_{i}',
                 'schema': str(schema_file),
-            },
+                'classes': test_schema_classes,
+            }
+            for i in range(1, 9)
+        ] + [
             {
-                'name': 'collection_2',
-                'schema': str(schema_file),
-            },
-            {
-                'name': 'collection_3',
-                'schema': str(schema_file),
-            },
-            {
-                'name': 'collection_4',
-                'schema': str(schema_file),
-            },
-            {
-                'name': 'collection_5',
-                'schema': str(schema_file),
-            },
-            {
-                'name': 'collection_6',
-                'schema': str(schema_file),
-            },
-            {
-                'name': 'collection_7',
-                'schema': str(schema_file),
-            },
-            {
-                'name': 'collection_8',
-                'schema': str(schema_file),
-            },
-            {
-                'name': 'collection_dlflatsocial-1',
+                'name': f'collection_dlflatsocial-{i}',
                 'schema': 'https://concepts.datalad.org/s/flat-social/unreleased.yaml',
-            },
-            {
-                'name': 'collection_dlflatsocial-2',
-                'schema': 'https://concepts.datalad.org/s/flat-social/unreleased.yaml',
-            },
+                'classes': flat_social_classes,
+            }
+            for i in range(1, 3)
         ],
     }