diff --git a/requirements.txt b/requirements.txt
index 2aebf1b..e7171f2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,5 @@ playwright==1.56.0
 python-dotenv==1.2.1
 requests==2.32.5
 uvicorn==0.38.0
-fastapi==0.121.2
\ No newline at end of file
+fastapi==0.121.2
+opencv-python==4.13.0.92
\ No newline at end of file
diff --git a/wcag_validator_RESTserver.py b/wcag_validator_RESTserver.py
index 5305cf5..589f002 100644
--- a/wcag_validator_RESTserver.py
+++ b/wcag_validator_RESTserver.py
@@ -20,7 +20,8 @@ from restserver.routers import (
     routes_wcag_alttext,
     routes_extract_images,
     routes_wcag_h58,
-    routes_wcag_g88
+    routes_wcag_g88,
+    routes_wcag_sc258
 )
 
 from dependences.utils import (
@@ -56,12 +57,14 @@ def server(connection_db, mllm_settings):
     wcag_g88_routes = routes_wcag_g88.WCAG_g88ValuationRoutes(
         connection_db, mllm_settings)
 
-    
+    wcag_sc258_routes = routes_wcag_sc258.WCAG_sc258ValuationRoutes(
+        connection_db, mllm_settings)
 
     
     app.include_router(wcag_alttext_routes.router, prefix="")
     app.include_router(wcag_h58_routes.router, prefix="")
     app.include_router(wcag_g88_routes.router, prefix="")
+    app.include_router(wcag_sc258_routes.router, prefix="")
 
     # do not use LLMs
     app.include_router(health_routes.router, prefix="")