diff --git a/openedx/core/djangoapps/content_libraries/api/libraries.py b/openedx/core/djangoapps/content_libraries/api/libraries.py
index 339e2b7685..47a6006614 100644
--- a/openedx/core/djangoapps/content_libraries/api/libraries.py
+++ b/openedx/core/djangoapps/content_libraries/api/libraries.py
@@ -42,6 +42,7 @@ could be promoted to the core XBlock API and made generic.
 from __future__ import annotations
 
 import logging
+import warnings
 from dataclasses import dataclass
 from dataclasses import field as dataclass_field
 from datetime import datetime
@@ -494,6 +495,12 @@ def get_library_team(library_key: LibraryLocatorV2) -> list[ContentLibraryPermis
     """
     Get the list of users/groups granted permission to use this library.
     """
+    warnings.warn(
+        "get_library_team is deprecated. See https://github.com/openedx/openedx-platform/issues/37409.",
+        DeprecationWarning,
+        stacklevel=2,
+    )
+
     ref = ContentLibrary.objects.get_by_key(library_key)
     return [
         ContentLibraryPermissionEntry(user=entry.user, group=entry.group, access_level=entry.access_level)
@@ -506,6 +513,12 @@ def get_library_user_permissions(library_key: LibraryLocatorV2, user: UserType)
     Fetch the specified user's access information. Will return None if no
     permissions have been granted.
     """
+    warnings.warn(
+        "get_library_user_permissions is deprecated. See https://github.com/openedx/openedx-platform/issues/37409.",
+        DeprecationWarning,
+        stacklevel=2,
+    )
+
     if isinstance(user, AnonymousUser):
         return None  # Mostly here for the type checker
     ref = ContentLibrary.objects.get_by_key(library_key)
@@ -525,6 +538,12 @@ def set_library_user_permissions(library_key: LibraryLocatorV2, user: UserType,
 
     access_level should be one of the AccessLevel values defined above.
     """
+    warnings.warn(
+        "set_library_user_permissions is deprecated. See https://github.com/openedx/openedx-platform/issues/37409.",
+        DeprecationWarning,
+        stacklevel=2,
+    )
+
     if isinstance(user, AnonymousUser):
         raise TypeError("Invalid user type")  # Mostly here for the type checker
     ref = ContentLibrary.objects.get_by_key(library_key)
@@ -573,6 +592,12 @@ def set_library_group_permissions(library_key: LibraryLocatorV2, group, access_l
 
     access_level should be one of the AccessLevel values defined above.
     """
+    warnings.warn(
+        "set_library_group_permissions is deprecated. See https://github.com/openedx/openedx-platform/issues/37409.",
+        DeprecationWarning,
+        stacklevel=2,
+    )
+
     ref = ContentLibrary.objects.get_by_key(library_key)
 
     if access_level is None:
diff --git a/openedx/core/djangoapps/content_libraries/api/permissions.py b/openedx/core/djangoapps/content_libraries/api/permissions.py
index 5b8bd4ba7e..b3949985cd 100644
--- a/openedx/core/djangoapps/content_libraries/api/permissions.py
+++ b/openedx/core/djangoapps/content_libraries/api/permissions.py
@@ -1,5 +1,8 @@
 """
-Public permissions that are part of the content libraries API
+Public permissions that are part of the content libraries API.
+
+Deprecated. This module re-exports legacy content library permissions.
+See https://github.com/openedx/openedx-platform/issues/37409.
 """
 # pylint: disable=unused-import
 
diff --git a/openedx/core/djangoapps/content_libraries/permissions.py b/openedx/core/djangoapps/content_libraries/permissions.py
index 41ac240bab..c031e288aa 100644
--- a/openedx/core/djangoapps/content_libraries/permissions.py
+++ b/openedx/core/djangoapps/content_libraries/permissions.py
@@ -1,5 +1,8 @@
 """
 Permissions for Content Libraries (v2, openedx_content-based)
+
+Deprecated: The legacy permission rules and constants that rely on ContentLibraryPermission
+are deprecated in favor of openedx-authz. See https://github.com/openedx/openedx-platform/issues/37409.
 """
 from bridgekeeper import perms, rules
 from bridgekeeper.rules import Attribute, ManyRelation, Relation, blanket_rule, in_current_groups, Rule