diff --git a/core/matcher.py b/core/matcher.py
index b04baa9..1717b0d 100644
--- a/core/matcher.py
+++ b/core/matcher.py
@@ -283,18 +283,8 @@ def base_model_score(candidate: str, preferred: Optional[str]) -> float:
 
 # ==================== CENTRALIZED MATCHING & CONFIDENCE HELPERS ====================
 
-MODEL_FILE_EXTENSIONS = {
-    ".ckpt",
-    ".pt",
-    ".pt2",
-    ".bin",
-    ".pth",
-    ".safetensors",
-    ".pkl",
-    ".sft",
-    ".onnx",
-    ".gguf",
-}
+from .type_utils import MODEL_EXTENSIONS
+MODEL_FILE_EXTENSIONS = MODEL_EXTENSIONS
 
 
 def strip_known_model_extension(filename: str) -> str:
diff --git a/core/resolver.py b/core/resolver.py
index fd63156..66f78b6 100644
--- a/core/resolver.py
+++ b/core/resolver.py
@@ -27,7 +27,7 @@ from .workflow_analyzer import (
     should_scan_as_model_reference,
 )
 from .matcher import find_matches
-from .type_utils import as_dict, as_list
+from .type_utils import as_dict, as_list, MODEL_EXTENSIONS as _MODEL_EXTENSIONS
 from .workflow_updater import update_workflow_nodes
 from .sources.civitai import resolve_urn
 from .sources.huggingface import parse_huggingface_url as parse_hf_url
@@ -36,7 +36,7 @@ from .sources.huggingface import parse_huggingface_url as parse_hf_url
 URL_PATTERN = re.compile(r'(https?://(?:huggingface\.co|civitai\.com)[^\s"\'<>\)\\]+)')
 
 # Model file extensions to look for
-MODEL_EXTENSIONS = (".safetensors", ".ckpt", ".pt", ".pth", ".bin", ".onnx", ".gguf")
+MODEL_EXTENSIONS = tuple(_MODEL_EXTENSIONS)
 
 
 from .path_utils import (
diff --git a/core/scanner.py b/core/scanner.py
index 0e262a4..0014e76 100644
--- a/core/scanner.py
+++ b/core/scanner.py
@@ -17,6 +17,7 @@ from .log_system.log_funcs import (
 )
 
 from .path_utils import get_path_identity
+from .type_utils import MODEL_EXTENSIONS
 
 # Import folder_paths lazily - it may not be available until ComfyUI is initialized
 try:
@@ -25,21 +26,6 @@ except ImportError:
     folder_paths = None
     log_warn("Model Resolver: folder_paths not available yet - will retry later")
 
-# Model file extensions to look for
-# This matches folder_paths.supported_pt_extensions
-MODEL_EXTENSIONS = {
-    ".ckpt",
-    ".pt",
-    ".pt2",
-    ".bin",
-    ".pth",
-    ".safetensors",
-    ".pkl",
-    ".sft",
-    ".onnx",
-    ".gguf",
-}
-
 _MODEL_FILES_CACHE: Optional[List[Dict[str, str]]] = None
 _MODEL_FILES_CACHE_AT: float = 0.0
 _MODEL_FILES_CACHE_TTL_SECONDS = 2.0
diff --git a/core/type_utils.py b/core/type_utils.py
index 06d4c52..6e060c4 100644
--- a/core/type_utils.py
+++ b/core/type_utils.py
@@ -42,3 +42,17 @@ def as_list(value: Any) -> List[Any]:
     if isinstance(value, str):
         return [item.strip() for item in value.split(",") if item.strip()]
     return []
+
+
+MODEL_EXTENSIONS = {
+    ".ckpt",
+    ".pt",
+    ".pt2",
+    ".bin",
+    ".pth",
+    ".safetensors",
+    ".pkl",
+    ".sft",
+    ".onnx",
+    ".gguf",
+}