diff --git a/nodes.py b/nodes.py
index 3a68d43ce..400d26687 100644
--- a/nodes.py
+++ b/nodes.py
@@ -1984,6 +1984,7 @@ NODE_DISPLAY_NAME_MAPPINGS = {
 }
 
 EXTENSION_WEB_DIRS = {}
+EXTENSION_STYLE_DIRS = {}
 
 
 def get_module_name(module_path: str) -> str:
@@ -2026,6 +2027,11 @@ def load_custom_node(module_path: str, ignore=set(), module_parent="custom_nodes
         sys.modules[module_name] = module
         module_spec.loader.exec_module(module)
 
+        if hasattr(module, "STYLE_DIRECTORY") and getattr(module, "STYLE_DIRECTORY") is not None:
+            style_dir = os.path.abspath(os.path.join(module_dir, getattr(module, "STYLE_DIRECTORY")))
+            if os.path.isdir(style_dir):
+                EXTENSION_STYLE_DIRS[module_name] = style_dir
+
         if hasattr(module, "WEB_DIRECTORY") and getattr(module, "WEB_DIRECTORY") is not None:
             web_dir = os.path.abspath(os.path.join(module_dir, getattr(module, "WEB_DIRECTORY")))
             if os.path.isdir(web_dir):
diff --git a/server.py b/server.py
index 5e86558d4..cae780e3e 100644
--- a/server.py
+++ b/server.py
@@ -235,6 +235,16 @@ class PromptServer():
             files = folder_paths.get_filename_list(folder)
             return web.json_response(files)
 
+        @routes.get("/styles")
+        async def get_styles(request):
+            styles = list()
+            for name, dir in nodes.EXTENSION_STYLE_DIRS.items():
+                files = glob.glob(os.path.join(glob.escape(dir), '**/*.css'), recursive=True)
+                styles.extend(list(map(lambda f: "/styles/" + urllib.parse.quote(
+                    name) + "/" + os.path.relpath(f, dir).replace("\\", "/"), files)))
+
+            return web.json_response(styles)
+
         @routes.get("/extensions")
         async def get_extensions(request):
             files = glob.glob(os.path.join(
@@ -698,6 +708,11 @@ class PromptServer():
         self.app.add_routes(api_routes)
         self.app.add_routes(self.routes)
 
+        for name, dir in nodes.EXTENSION_STYLE_DIRS.items():
+            self.app.add_routes([
+                web.static('/styles/' + urllib.parse.quote(name), dir, follow_symlinks=True),
+            ])
+
         for name, dir in nodes.EXTENSION_WEB_DIRS.items():
             self.app.add_routes([
                 web.static('/extensions/' + urllib.parse.quote(name), dir),