diff --git a/core/routes/civitai_search.py b/core/routes/civitai_search.py
index 3aa2367..87e3590 100644
--- a/core/routes/civitai_search.py
+++ b/core/routes/civitai_search.py
@@ -2,15 +2,14 @@
 
 from ..services.model_service import ModelService
 from .context import RouteContext
+from .helpers import register_service_post_route
 
 
 def register_civitai_search_routes(context: RouteContext):
-    json_api_endpoint = context.get("json_api_endpoint")
-    routes = context.get("routes")
     model_service = ModelService(context)
-
-    @routes.post("/model_resolver/civitai-search")
-    @json_api_endpoint("civitai-search")
-    async def civitai_search(request):
-        """Delegate model operation to the model service."""
-        return await model_service.civitai_search(request)
+    register_service_post_route(
+        context,
+        path="/model_resolver/civitai-search",
+        error_prefix="civitai-search",
+        operation=model_service.civitai_search,
+    )
diff --git a/core/routes/custom_url.py b/core/routes/custom_url.py
index cc519f8..787c735 100644
--- a/core/routes/custom_url.py
+++ b/core/routes/custom_url.py
@@ -2,15 +2,14 @@
 
 from ..services.model_service import ModelService
 from .context import RouteContext
+from .helpers import register_service_post_route
 
 
 def register_custom_url_routes(context: RouteContext):
-    json_api_endpoint = context.get("json_api_endpoint")
-    routes = context.get("routes")
     model_service = ModelService(context)
-
-    @routes.post("/model_resolver/custom-url")
-    @json_api_endpoint("custom-url")
-    async def custom_url(request):
-        """Delegate model operation to the model service."""
-        return await model_service.custom_url(request)
+    register_service_post_route(
+        context,
+        path="/model_resolver/custom-url",
+        error_prefix="custom-url",
+        operation=model_service.custom_url,
+    )
diff --git a/core/routes/helpers.py b/core/routes/helpers.py
index a86a7e4..2f27c47 100644
--- a/core/routes/helpers.py
+++ b/core/routes/helpers.py
@@ -5,6 +5,19 @@ import threading
 from functools import wraps
 
 
+def register_service_post_route(context, *, path, error_prefix, operation):
+    """Register a JSON POST route for a bound service operation."""
+    json_api_endpoint = context.get("json_api_endpoint")
+    routes = context.get("routes")
+
+    async def service_route(request):
+        return await operation(request)
+
+    service_route.__name__ = getattr(operation, "__name__", "service_route")
+    decorated_route = json_api_endpoint(error_prefix)(service_route)
+    routes.post(path)(decorated_route)
+
+
 def create_route_helpers(web, logger, load_settings, hash_calculation_cancelled):
     """Create route helpers bound to the current ComfyUI server context."""
 
diff --git a/core/routes/model_details.py b/core/routes/model_details.py
index 3fb4524..80239d5 100644
--- a/core/routes/model_details.py
+++ b/core/routes/model_details.py
@@ -2,15 +2,14 @@
 
 from ..services.model_service import ModelService
 from .context import RouteContext
+from .helpers import register_service_post_route
 
 
 def register_model_details_routes(context: RouteContext):
-    json_api_endpoint = context.get("json_api_endpoint")
-    routes = context.get("routes")
     model_service = ModelService(context)
-
-    @routes.post("/model_resolver/model-details")
-    @json_api_endpoint("model-details")
-    async def model_details(request):
-        """Delegate model operation to the model service."""
-        return await model_service.model_details(request)
+    register_service_post_route(
+        context,
+        path="/model_resolver/model-details",
+        error_prefix="model-details",
+        operation=model_service.model_details,
+    )