diff --git a/comfy_api/latest/__init__.py b/comfy_api/latest/__init__.py
index dab06add3..45da16dab 100644
--- a/comfy_api/latest/__init__.py
+++ b/comfy_api/latest/__init__.py
@@ -90,14 +90,26 @@ class ComfyAPI_latest(ComfyAPIBase):
         from ._caching import CacheProvider, CacheContext, CacheValue
 
         async def register_provider(self, provider: "ComfyAPI_latest.Caching.CacheProvider") -> None:
-            """Register an external cache provider."""
-            from comfy_execution.cache_provider import register_cache_provider
-            register_cache_provider(provider)
+            """Register an external cache provider. Providers are called in registration order."""
+            from comfy_execution import cache_provider as _cp
+            with _cp._providers_lock:
+                if provider in _cp._providers:
+                    _cp._logger.warning(f"Provider {provider.__class__.__name__} already registered")
+                    return
+                _cp._providers.append(provider)
+                _cp._providers_snapshot = tuple(_cp._providers)
+                _cp._logger.debug(f"Registered cache provider: {provider.__class__.__name__}")
 
         async def unregister_provider(self, provider: "ComfyAPI_latest.Caching.CacheProvider") -> None:
-            """Unregister an external cache provider."""
-            from comfy_execution.cache_provider import unregister_cache_provider
-            unregister_cache_provider(provider)
+            """Unregister a previously registered cache provider."""
+            from comfy_execution import cache_provider as _cp
+            with _cp._providers_lock:
+                try:
+                    _cp._providers.remove(provider)
+                    _cp._providers_snapshot = tuple(_cp._providers)
+                    _cp._logger.debug(f"Unregistered cache provider: {provider.__class__.__name__}")
+                except ValueError:
+                    _cp._logger.warning(f"Provider {provider.__class__.__name__} was not registered")
 
 class ComfyExtension(ABC):
     async def on_load(self) -> None:
@@ -155,15 +167,27 @@ class Caching:
 
     @staticmethod
     def register_provider(provider: "Caching.CacheProvider") -> None:
-        """Register an external cache provider."""
-        from comfy_execution.cache_provider import register_cache_provider
-        register_cache_provider(provider)
+        """Register an external cache provider. Providers are called in registration order."""
+        from comfy_execution import cache_provider as _cp
+        with _cp._providers_lock:
+            if provider in _cp._providers:
+                _cp._logger.warning(f"Provider {provider.__class__.__name__} already registered")
+                return
+            _cp._providers.append(provider)
+            _cp._providers_snapshot = tuple(_cp._providers)
+            _cp._logger.debug(f"Registered cache provider: {provider.__class__.__name__}")
 
     @staticmethod
     def unregister_provider(provider: "Caching.CacheProvider") -> None:
-        """Unregister an external cache provider."""
-        from comfy_execution.cache_provider import unregister_cache_provider
-        unregister_cache_provider(provider)
+        """Unregister a previously registered cache provider."""
+        from comfy_execution import cache_provider as _cp
+        with _cp._providers_lock:
+            try:
+                _cp._providers.remove(provider)
+                _cp._providers_snapshot = tuple(_cp._providers)
+                _cp._logger.debug(f"Unregistered cache provider: {provider.__class__.__name__}")
+            except ValueError:
+                _cp._logger.warning(f"Provider {provider.__class__.__name__} was not registered")
 
 
 ComfyAPI = ComfyAPI_latest