diff --git a/src/sentry/charts/endpoints.py b/src/sentry/charts/endpoints.py
index cfa8c1b5a68506..cd3531da0a6965 100644
--- a/src/sentry/charts/endpoints.py
+++ b/src/sentry/charts/endpoints.py
@@ -5,12 +5,14 @@
 from django.views import static
 
 import sentry
+from sentry.web.frontend.base import all_silo_view
 
 CONFIG_DIR = os.path.abspath(
     os.path.join(os.path.dirname(sentry.__file__), "..", "..", "config", "chartcuterie")
 )
 
 
+@all_silo_view
 def serve_chartcuterie_config(
     request: HttpRequest,
 ) -> HttpResponseBase:
diff --git a/src/sentry/silo/base.py b/src/sentry/silo/base.py
index d7e20653ce80ac..5850a204ecaddd 100644
--- a/src/sentry/silo/base.py
+++ b/src/sentry/silo/base.py
@@ -3,7 +3,6 @@
 import abc
 import contextlib
 import functools
-import itertools
 import threading
 import typing
 from collections.abc import Callable, Generator, Iterable
@@ -158,10 +157,11 @@ def override(*args: P.args, **kwargs: P.kwargs) -> R:
             if is_available:
                 return original_method(*args, **kwargs)
             else:
+                modes = list(self.modes)
+                if SiloMode.MONOLITH not in self.modes:
+                    modes = modes + [SiloMode.MONOLITH]
                 handler = self.handle_when_unavailable(
-                    original_method,
-                    SiloMode.get_current_mode(),
-                    itertools.chain([SiloMode.MONOLITH], self.modes),
+                    original_method, SiloMode.get_current_mode(), modes
                 )
                 return handler(*args, **kwargs)
 
diff --git a/src/sentry/web/frontend/base.py b/src/sentry/web/frontend/base.py
index 543672d0c3a567..f7d0aa0b7e54b0 100644
--- a/src/sentry/web/frontend/base.py
+++ b/src/sentry/web/frontend/base.py
@@ -57,6 +57,12 @@
 
 
 class ViewSiloLimit(SiloLimit):
+    def __init__(self, modes: SiloMode | Iterable[SiloMode], internal: bool = False) -> None:
+        if isinstance(modes, SiloMode):
+            modes = [modes]
+        self.modes = frozenset(modes)
+        self.internal = internal
+
     def modify_endpoint_class(self, decorated_class: type[View]) -> type:
         dispatch_override = self.create_override(decorated_class.dispatch)
         new_class = type(
@@ -71,7 +77,10 @@ def modify_endpoint_class(self, decorated_class: type[View]) -> type:
         return new_class
 
     def modify_endpoint_method(self, decorated_method: Callable[..., Any]) -> Callable[..., Any]:
-        return self.create_override(decorated_method)
+        decorated = self.create_override(decorated_method)
+        setattr(decorated, "silo_limit", self)
+
+        return decorated
 
     def handle_when_unavailable(
         self,
@@ -115,25 +124,32 @@ def __call__(self, decorated_obj: Any) -> Any:
         raise TypeError("`@ViewSiloLimit` must decorate a class or method")
 
 
-control_silo_view = ViewSiloLimit(SiloMode.CONTROL)
+control_silo_view = ViewSiloLimit([SiloMode.CONTROL])
 """
 Apply to frontend views that exist in CONTROL Silo
 If a request is received and the application is not in CONTROL/MONOLITH
 mode a 404 will be returned.
 """
 
-region_silo_view = ViewSiloLimit(SiloMode.REGION)
+region_silo_view = ViewSiloLimit([SiloMode.REGION])
 """
 Apply to frontend views that exist in REGION Silo
 If a request is received and the application is not in REGION/MONOLITH
 mode a 404 will be returned.
 """
 
-all_silo_view = ViewSiloLimit(SiloMode.REGION, SiloMode.CONTROL, SiloMode.MONOLITH)
+all_silo_view = ViewSiloLimit([SiloMode.REGION, SiloMode.CONTROL, SiloMode.MONOLITH])
 """
 Apply to frontend views that respond in both CONTROL and REGION mode.
 """
 
+internal_region_silo_view = ViewSiloLimit([SiloMode.REGION], internal=True)
+"""
+Apply to frontend views that exist in REGION Silo
+and are not accessible via cell routing.
+This is generally for debug/development views.
+"""
+
 
 class _HasRespond(Protocol):
     active_organization: RpcUserOrganizationContext | None
diff --git a/src/sentry/web/frontend/debug/charts/debug_chart_renderer.py b/src/sentry/web/frontend/debug/charts/debug_chart_renderer.py
index e57b0b648e38c5..db7978d39889f2 100644
--- a/src/sentry/web/frontend/debug/charts/debug_chart_renderer.py
+++ b/src/sentry/web/frontend/debug/charts/debug_chart_renderer.py
@@ -3,6 +3,7 @@
 
 from sentry.charts import backend as charts
 from sentry.charts.types import ChartType
+from sentry.web.frontend.base import internal_region_silo_view
 from sentry.web.frontend.debug.mail import MailPreview
 
 discover_total_period = {
@@ -279,6 +280,7 @@
 }
 
 
+@internal_region_silo_view
 class DebugChartRendererView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         ret = []
diff --git a/src/sentry/web/frontend/debug/charts/metric_alert_charts.py b/src/sentry/web/frontend/debug/charts/metric_alert_charts.py
index 9612ebde06dc39..edb876ecb86d8f 100644
--- a/src/sentry/web/frontend/debug/charts/metric_alert_charts.py
+++ b/src/sentry/web/frontend/debug/charts/metric_alert_charts.py
@@ -4,6 +4,7 @@
 from sentry.charts import backend as charts
 from sentry.charts.types import ChartType
 from sentry.seer.anomaly_detection.types import AnomalyType
+from sentry.web.frontend.base import internal_region_silo_view
 from sentry.web.frontend.debug.mail import MailPreview
 
 incident = {
@@ -510,6 +511,7 @@
 }
 
 
+@internal_region_silo_view
 class DebugMetricAlertChartRendererView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         ret = []
diff --git a/src/sentry/web/frontend/debug/debug_auth_views.py b/src/sentry/web/frontend/debug/debug_auth_views.py
index 5de8010b1afc7f..c0393652000402 100644
--- a/src/sentry/web/frontend/debug/debug_auth_views.py
+++ b/src/sentry/web/frontend/debug/debug_auth_views.py
@@ -2,9 +2,11 @@
 from django.views.generic import View
 
 from sentry.users.models.user import User
+from sentry.web.frontend.base import internal_region_silo_view
 from sentry.web.helpers import render_to_response
 
 
+@internal_region_silo_view
 class DebugAuthConfirmIdentity(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         auth_identity = {"id": "bar@example.com", "email": "bar@example.com"}
@@ -21,6 +23,7 @@ def get(self, request: HttpRequest) -> HttpResponse:
         )
 
 
+@internal_region_silo_view
 class DebugAuthConfirmLink(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         auth_identity = {"id": "bar@example.com", "email": "test1@example.com"}
diff --git a/src/sentry/web/frontend/debug/debug_codeowners_auto_sync_failure_email.py b/src/sentry/web/frontend/debug/debug_codeowners_auto_sync_failure_email.py
index d7ea9c9000b6f4..87329705b1c273 100644
--- a/src/sentry/web/frontend/debug/debug_codeowners_auto_sync_failure_email.py
+++ b/src/sentry/web/frontend/debug/debug_codeowners_auto_sync_failure_email.py
@@ -6,10 +6,12 @@
 from sentry.models.project import Project
 from sentry.notifications.notifications.codeowners_auto_sync import AutoSyncNotification
 from sentry.users.models.user import User
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import render_preview_email_for_notification
 
 
+@internal_region_silo_view
 class DebugCodeOwnersAutoSyncFailureView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         org = Organization(id=1, slug="petal", name="Petal")
diff --git a/src/sentry/web/frontend/debug/debug_cron_broken_monitor_email.py b/src/sentry/web/frontend/debug/debug_cron_broken_monitor_email.py
index 284dfdf2ccd525..2108995d4520f9 100644
--- a/src/sentry/web/frontend/debug/debug_cron_broken_monitor_email.py
+++ b/src/sentry/web/frontend/debug/debug_cron_broken_monitor_email.py
@@ -3,6 +3,8 @@
 from django.http import HttpRequest, HttpResponse
 from django.views.generic import View
 
+from sentry.web.frontend.base import internal_region_silo_view
+
 from .mail import MailPreview
 
 
@@ -17,6 +19,7 @@ def get_context():
     }
 
 
+@internal_region_silo_view
 class DebugCronBrokenMonitorEmailView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         context = get_context()
diff --git a/src/sentry/web/frontend/debug/debug_cron_muted_monitor_email.py b/src/sentry/web/frontend/debug/debug_cron_muted_monitor_email.py
index 28a0aa427f5079..ddb3aa68a4a0c4 100644
--- a/src/sentry/web/frontend/debug/debug_cron_muted_monitor_email.py
+++ b/src/sentry/web/frontend/debug/debug_cron_muted_monitor_email.py
@@ -3,6 +3,8 @@
 from django.http import HttpRequest, HttpResponse
 from django.views.generic import View
 
+from sentry.web.frontend.base import internal_region_silo_view
+
 from .mail import MailPreview
 
 
@@ -17,6 +19,7 @@ def get_context():
     }
 
 
+@internal_region_silo_view
 class DebugCronMutedMonitorEmailView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         context = get_context()
diff --git a/src/sentry/web/frontend/debug/debug_error_embed.py b/src/sentry/web/frontend/debug/debug_error_embed.py
index c292ff96af7317..c082378e33f852 100644
--- a/src/sentry/web/frontend/debug/debug_error_embed.py
+++ b/src/sentry/web/frontend/debug/debug_error_embed.py
@@ -5,9 +5,11 @@
 from django.views.generic import View
 
 from sentry.models.projectkey import ProjectKey
+from sentry.web.frontend.base import internal_region_silo_view
 from sentry.web.helpers import render_to_response
 
 
+@internal_region_silo_view
 class DebugErrorPageEmbedView(View):
     def _get_project_key(self):
         return ProjectKey.objects.filter(project=settings.SENTRY_PROJECT)[0]
diff --git a/src/sentry/web/frontend/debug/debug_feedback_issue.py b/src/sentry/web/frontend/debug/debug_feedback_issue.py
index f3052324165d7d..46a195f578d973 100644
--- a/src/sentry/web/frontend/debug/debug_feedback_issue.py
+++ b/src/sentry/web/frontend/debug/debug_feedback_issue.py
@@ -8,10 +8,12 @@
 from sentry.notifications.utils import get_generic_data
 from sentry.notifications.utils.links import get_group_settings_link, get_rules
 from sentry.utils import json
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import COMMIT_EXAMPLE, MailPreview, make_feedback_issue
 
 
+@internal_region_silo_view
 class DebugFeedbackIssueEmailView(View):
     def get(self, request):
         org = Organization(id=1, slug="example", name="Example")
diff --git a/src/sentry/web/frontend/debug/debug_generic_issue.py b/src/sentry/web/frontend/debug/debug_generic_issue.py
index 5df29d9b0475de..80ebb5075f5175 100644
--- a/src/sentry/web/frontend/debug/debug_generic_issue.py
+++ b/src/sentry/web/frontend/debug/debug_generic_issue.py
@@ -9,10 +9,12 @@
 from sentry.notifications.utils import get_generic_data
 from sentry.notifications.utils.links import get_group_settings_link, get_rules
 from sentry.utils import json
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import COMMIT_EXAMPLE, MailPreview, make_generic_event
 
 
+@internal_region_silo_view
 class DebugGenericIssueEmailView(View):
     def get(self, request):
         org = Organization(id=1, slug="example", name="Example")
diff --git a/src/sentry/web/frontend/debug/debug_incident_trigger_email.py b/src/sentry/web/frontend/debug/debug_incident_trigger_email.py
index ef536d12211c41..2b60e2eff75262 100644
--- a/src/sentry/web/frontend/debug/debug_incident_trigger_email.py
+++ b/src/sentry/web/frontend/debug/debug_incident_trigger_email.py
@@ -18,6 +18,7 @@
 from sentry.models.project import Project
 from sentry.snuba.models import SnubaQuery
 from sentry.users.models.user import User
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import MailPreviewView
 
@@ -26,6 +27,7 @@ class MockedIncidentTrigger:
     date_added = timezone.now()
 
 
+@internal_region_silo_view
 class DebugIncidentTriggerEmailView(MailPreviewView):
     @mock.patch(
         "sentry.incidents.models.incident.IncidentTrigger.objects.get",
diff --git a/src/sentry/web/frontend/debug/debug_invalid_identity_email.py b/src/sentry/web/frontend/debug/debug_invalid_identity_email.py
index 1f3596e926c77b..fb9d354dc83192 100644
--- a/src/sentry/web/frontend/debug/debug_invalid_identity_email.py
+++ b/src/sentry/web/frontend/debug/debug_invalid_identity_email.py
@@ -2,11 +2,13 @@
 from django.views.generic import View
 
 from sentry.tasks.commits import generate_invalid_identity_email
+from sentry.web.frontend.base import internal_region_silo_view
 from social_auth.models import UserSocialAuth
 
 from .mail import MailPreview
 
 
+@internal_region_silo_view
 class DebugInvalidIdentityEmailView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         assert request.user.is_authenticated
diff --git a/src/sentry/web/frontend/debug/debug_mfa_added_email.py b/src/sentry/web/frontend/debug/debug_mfa_added_email.py
index 6853396103ca03..9fb12c941a1d11 100644
--- a/src/sentry/web/frontend/debug/debug_mfa_added_email.py
+++ b/src/sentry/web/frontend/debug/debug_mfa_added_email.py
@@ -6,10 +6,12 @@
 
 from sentry.security.emails import generate_security_email
 from sentry.users.models.authenticator import Authenticator
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import MailPreview
 
 
+@internal_region_silo_view
 class DebugMfaAddedEmailView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         if isinstance(request.user, AnonymousUser):
diff --git a/src/sentry/web/frontend/debug/debug_mfa_removed_email.py b/src/sentry/web/frontend/debug/debug_mfa_removed_email.py
index 03cb98317c83cb..b9dca7d0032b08 100644
--- a/src/sentry/web/frontend/debug/debug_mfa_removed_email.py
+++ b/src/sentry/web/frontend/debug/debug_mfa_removed_email.py
@@ -6,10 +6,12 @@
 
 from sentry.security.emails import generate_security_email
 from sentry.users.models.authenticator import Authenticator
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import MailPreview
 
 
+@internal_region_silo_view
 class DebugMfaRemovedEmailView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         if isinstance(request.user, AnonymousUser):
diff --git a/src/sentry/web/frontend/debug/debug_missing_member_nudge_email.py b/src/sentry/web/frontend/debug/debug_missing_member_nudge_email.py
index 766416435ee74b..19e8bbeee8aa0a 100644
--- a/src/sentry/web/frontend/debug/debug_missing_member_nudge_email.py
+++ b/src/sentry/web/frontend/debug/debug_missing_member_nudge_email.py
@@ -2,10 +2,12 @@
 from django.views.generic import View
 
 from sentry.models.organization import Organization
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import MailPreview
 
 
+@internal_region_silo_view
 class DebugMissingMembersNudgeView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         self.organization = Organization(id=1, slug="organization", name="My Company")
diff --git a/src/sentry/web/frontend/debug/debug_new_release_email.py b/src/sentry/web/frontend/debug/debug_new_release_email.py
index 43d53c7563b3ae..d89047b7e92d85 100644
--- a/src/sentry/web/frontend/debug/debug_new_release_email.py
+++ b/src/sentry/web/frontend/debug/debug_new_release_email.py
@@ -14,10 +14,12 @@
 from sentry.notifications.types import GroupSubscriptionReason
 from sentry.users.models.user import User
 from sentry.utils.http import absolute_uri
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import MailPreview
 
 
+@internal_region_silo_view
 class DebugNewReleaseEmailView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         org = Organization(id=1, slug="organization", name="My Company")
diff --git a/src/sentry/web/frontend/debug/debug_new_user_feedback_email.py b/src/sentry/web/frontend/debug/debug_new_user_feedback_email.py
index 7699b3da3ebd07..6e8e6e535cab25 100644
--- a/src/sentry/web/frontend/debug/debug_new_user_feedback_email.py
+++ b/src/sentry/web/frontend/debug/debug_new_user_feedback_email.py
@@ -5,10 +5,12 @@
 from sentry.models.project import Project
 from sentry.utils.http import absolute_uri
 from sentry.utils.samples import create_sample_event
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import MailPreview
 
 
+@internal_region_silo_view
 class DebugNewUserFeedbackEmailView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         org = Organization(id=1, slug="organization", name="My Company")
diff --git a/src/sentry/web/frontend/debug/debug_note_email.py b/src/sentry/web/frontend/debug/debug_note_email.py
index 09e3d39dec359c..fc507c7d02e3c9 100644
--- a/src/sentry/web/frontend/debug/debug_note_email.py
+++ b/src/sentry/web/frontend/debug/debug_note_email.py
@@ -1,10 +1,12 @@
 from django.http import HttpRequest
 
 from sentry.types.activity import ActivityType
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import ActivityMailDebugView, get_random, make_message
 
 
+@internal_region_silo_view
 class DebugNoteEmailView(ActivityMailDebugView):
     def get_activity(self, request: HttpRequest, event):
         random = get_random(request)
diff --git a/src/sentry/web/frontend/debug/debug_oauth_authorize.py b/src/sentry/web/frontend/debug/debug_oauth_authorize.py
index 0968abee97e90c..b271bee00ac5ad 100644
--- a/src/sentry/web/frontend/debug/debug_oauth_authorize.py
+++ b/src/sentry/web/frontend/debug/debug_oauth_authorize.py
@@ -2,9 +2,11 @@
 from django.views.generic import View
 
 from sentry.models.apiapplication import ApiApplication
+from sentry.web.frontend.base import internal_region_silo_view
 from sentry.web.helpers import render_to_response
 
 
+@internal_region_silo_view
 class DebugOAuthAuthorizeView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         application = ApiApplication(
@@ -28,6 +30,7 @@ def get(self, request: HttpRequest) -> HttpResponse:
         )
 
 
+@internal_region_silo_view
 class DebugOAuthAuthorizeErrorView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         return render_to_response(
diff --git a/src/sentry/web/frontend/debug/debug_onboarding_continuation_email.py b/src/sentry/web/frontend/debug/debug_onboarding_continuation_email.py
index f837ba16ccd1e2..67e4b9efb1467a 100644
--- a/src/sentry/web/frontend/debug/debug_onboarding_continuation_email.py
+++ b/src/sentry/web/frontend/debug/debug_onboarding_continuation_email.py
@@ -4,10 +4,12 @@
 from sentry.api.endpoints.organization_onboarding_continuation_email import get_request_builder_args
 from sentry.models.organization import Organization
 from sentry.users.models.user import User
+from sentry.web.frontend.base import internal_region_silo_view
 from sentry.web.frontend.debug.mail import MailPreviewAdapter
 from sentry.web.helpers import render_to_response
 
 
+@internal_region_silo_view
 class DebugOrganizationOnboardingContinuationEmail(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         platforms = request.GET.getlist("platforms", ["javascript", "python", "flutter"])
diff --git a/src/sentry/web/frontend/debug/debug_organization_integration_request.py b/src/sentry/web/frontend/debug/debug_organization_integration_request.py
index 0ccc34143ff058..c01c645798c449 100644
--- a/src/sentry/web/frontend/debug/debug_organization_integration_request.py
+++ b/src/sentry/web/frontend/debug/debug_organization_integration_request.py
@@ -8,10 +8,12 @@
     IntegrationRequestNotification,
 )
 from sentry.users.models.user import User
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import render_preview_email_for_notification
 
 
+@internal_region_silo_view
 class DebugOrganizationIntegrationRequestEmailView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         org = Organization(id=1, slug="default", name="Default")
diff --git a/src/sentry/web/frontend/debug/debug_organization_invite_request.py b/src/sentry/web/frontend/debug/debug_organization_invite_request.py
index 41005e2ef2f8a9..190ceda92f302f 100644
--- a/src/sentry/web/frontend/debug/debug_organization_invite_request.py
+++ b/src/sentry/web/frontend/debug/debug_organization_invite_request.py
@@ -5,10 +5,12 @@
 from sentry.models.organizationmember import InviteStatus, OrganizationMember
 from sentry.notifications.notifications.organization_request import InviteRequestNotification
 from sentry.users.models.user import User
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import render_preview_email_for_notification
 
 
+@internal_region_silo_view
 class DebugOrganizationInviteRequestEmailView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         org = Organization(id=1, slug="default", name="Default")
diff --git a/src/sentry/web/frontend/debug/debug_organization_join_request.py b/src/sentry/web/frontend/debug/debug_organization_join_request.py
index 6c024130cca598..9986512f259715 100644
--- a/src/sentry/web/frontend/debug/debug_organization_join_request.py
+++ b/src/sentry/web/frontend/debug/debug_organization_join_request.py
@@ -5,10 +5,12 @@
 from sentry.models.organizationmember import InviteStatus, OrganizationMember
 from sentry.notifications.notifications.organization_request import JoinRequestNotification
 from sentry.users.models.user import User
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import render_preview_email_for_notification
 
 
+@internal_region_silo_view
 class DebugOrganizationJoinRequestEmailView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         org = Organization(id=1, slug="default", name="Default")
diff --git a/src/sentry/web/frontend/debug/debug_password_changed_email.py b/src/sentry/web/frontend/debug/debug_password_changed_email.py
index 9649ce7c37ec82..ccae49c5cc252a 100644
--- a/src/sentry/web/frontend/debug/debug_password_changed_email.py
+++ b/src/sentry/web/frontend/debug/debug_password_changed_email.py
@@ -5,10 +5,12 @@
 
 from sentry.security.emails import generate_security_email
 from sentry.utils.auth import AuthenticatedHttpRequest
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import MailPreview
 
 
+@internal_region_silo_view
 class DebugPasswordChangedEmailView(View):
     def get(self, request: AuthenticatedHttpRequest) -> HttpResponse:
         email = generate_security_email(
diff --git a/src/sentry/web/frontend/debug/debug_performance_issue.py b/src/sentry/web/frontend/debug/debug_performance_issue.py
index 65240fdfe7c602..b100ee9d9f72f5 100644
--- a/src/sentry/web/frontend/debug/debug_performance_issue.py
+++ b/src/sentry/web/frontend/debug/debug_performance_issue.py
@@ -9,10 +9,12 @@
     get_transaction_data,
 )
 from sentry.utils import json
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import COMMIT_EXAMPLE, MailPreview, get_shared_context, make_performance_event
 
 
+@internal_region_silo_view
 class DebugPerformanceIssueEmailView(View):
     def get(self, request, sample_name="transaction-n-plus-one"):
         project = Project.objects.get(id=1)
diff --git a/src/sentry/web/frontend/debug/debug_recovery_codes_regenerated_email.py b/src/sentry/web/frontend/debug/debug_recovery_codes_regenerated_email.py
index 4c21edbb188556..6f8cfa32759761 100644
--- a/src/sentry/web/frontend/debug/debug_recovery_codes_regenerated_email.py
+++ b/src/sentry/web/frontend/debug/debug_recovery_codes_regenerated_email.py
@@ -6,10 +6,12 @@
 from sentry.security.emails import generate_security_email
 from sentry.users.models.authenticator import Authenticator
 from sentry.utils.auth import AuthenticatedHttpRequest
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import MailPreview
 
 
+@internal_region_silo_view
 class DebugRecoveryCodesRegeneratedEmailView(View):
     def get(self, request: AuthenticatedHttpRequest) -> HttpResponse:
         authenticator = Authenticator(id=0, type=3, user_id=request.user.id)  # u2f
diff --git a/src/sentry/web/frontend/debug/debug_regression_email.py b/src/sentry/web/frontend/debug/debug_regression_email.py
index 1a8cef20002629..9395f4d51df271 100644
--- a/src/sentry/web/frontend/debug/debug_regression_email.py
+++ b/src/sentry/web/frontend/debug/debug_regression_email.py
@@ -1,15 +1,18 @@
 from django.http import HttpRequest
 
 from sentry.types.activity import ActivityType
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import ActivityMailDebugView
 
 
+@internal_region_silo_view
 class DebugRegressionEmailView(ActivityMailDebugView):
     def get_activity(self, request: HttpRequest, event):
         return {"type": ActivityType.SET_REGRESSION.value}
 
 
+@internal_region_silo_view
 class DebugRegressionReleaseEmailView(ActivityMailDebugView):
     def get_activity(self, request: HttpRequest, event):
         return {"type": ActivityType.SET_REGRESSION.value, "data": {"version": "abcdef"}}
diff --git a/src/sentry/web/frontend/debug/debug_resolved_email.py b/src/sentry/web/frontend/debug/debug_resolved_email.py
index 11af58ddbbd035..59d7652ecac3fe 100644
--- a/src/sentry/web/frontend/debug/debug_resolved_email.py
+++ b/src/sentry/web/frontend/debug/debug_resolved_email.py
@@ -1,10 +1,12 @@
 from django.http import HttpRequest
 
 from sentry.types.activity import ActivityType
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import ActivityMailDebugView
 
 
+@internal_region_silo_view
 class DebugResolvedEmailView(ActivityMailDebugView):
     def get_activity(self, request: HttpRequest, event):
         return {"type": ActivityType.SET_RESOLVED.value}
diff --git a/src/sentry/web/frontend/debug/debug_resolved_in_release_email.py b/src/sentry/web/frontend/debug/debug_resolved_in_release_email.py
index d592a43b89bb86..6f908f2d4ba799 100644
--- a/src/sentry/web/frontend/debug/debug_resolved_in_release_email.py
+++ b/src/sentry/web/frontend/debug/debug_resolved_in_release_email.py
@@ -1,15 +1,18 @@
 from django.http import HttpRequest
 
 from sentry.types.activity import ActivityType
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import ActivityMailDebugView
 
 
+@internal_region_silo_view
 class DebugResolvedInReleaseEmailView(ActivityMailDebugView):
     def get_activity(self, request: HttpRequest, event):
         return {"type": ActivityType.SET_RESOLVED_IN_RELEASE.value, "data": {"version": "abcdef"}}
 
 
+@internal_region_silo_view
 class DebugResolvedInReleaseUpcomingEmailView(ActivityMailDebugView):
     def get_activity(self, request: HttpRequest, event):
         return {"type": ActivityType.SET_RESOLVED_IN_RELEASE.value, "data": {"version": ""}}
diff --git a/src/sentry/web/frontend/debug/debug_setup_2fa_email.py b/src/sentry/web/frontend/debug/debug_setup_2fa_email.py
index 5a1e0541bdc528..8d965e885aa620 100644
--- a/src/sentry/web/frontend/debug/debug_setup_2fa_email.py
+++ b/src/sentry/web/frontend/debug/debug_setup_2fa_email.py
@@ -3,10 +3,12 @@
 
 from sentry.models.organization import Organization
 from sentry.models.organizationmember import OrganizationMember
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import MailPreview
 
 
+@internal_region_silo_view
 class DebugSetup2faEmailView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         org = Organization(id=1, slug="organization", name="sentry corp")
diff --git a/src/sentry/web/frontend/debug/debug_sso_link_email.py b/src/sentry/web/frontend/debug/debug_sso_link_email.py
index fe3e33578b3bdb..339539049d9304 100644
--- a/src/sentry/web/frontend/debug/debug_sso_link_email.py
+++ b/src/sentry/web/frontend/debug/debug_sso_link_email.py
@@ -3,6 +3,7 @@
 
 from sentry.auth.providers.dummy import DummyProvider
 from sentry.models.organization import Organization
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import MailPreview
 
@@ -14,6 +15,7 @@ def get_context(request):
     return {"organization": org, "actor_email": request.user.email, "provider": provider}
 
 
+@internal_region_silo_view
 class DebugSsoLinkedEmailView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         context = get_context(request)
@@ -25,6 +27,7 @@ def get(self, request: HttpRequest) -> HttpResponse:
         ).render(request)
 
 
+@internal_region_silo_view
 class DebugSsoUnlinkedEmailView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         context = get_context(request)
@@ -37,6 +40,7 @@ def get(self, request: HttpRequest) -> HttpResponse:
         ).render(request)
 
 
+@internal_region_silo_view
 class DebugSsoUnlinkedNoPasswordEmailView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         context = get_context(request)
diff --git a/src/sentry/web/frontend/debug/debug_trigger_error.py b/src/sentry/web/frontend/debug/debug_trigger_error.py
index b757c6c06694d1..d14bc06f707f17 100644
--- a/src/sentry/web/frontend/debug/debug_trigger_error.py
+++ b/src/sentry/web/frontend/debug/debug_trigger_error.py
@@ -3,9 +3,11 @@
 from django.views.generic import View
 
 from sentry.utils.sdk import capture_exception
+from sentry.web.frontend.base import internal_region_silo_view
 from sentry.web.frontend.error_500 import Error500View
 
 
+@internal_region_silo_view
 class DebugTriggerErrorView(View):
     def get(self, request: HttpRequest) -> HttpResponseBase:
         try:
diff --git a/src/sentry/web/frontend/debug/debug_unable_to_delete_repository.py b/src/sentry/web/frontend/debug/debug_unable_to_delete_repository.py
index f397c12f8a708b..ce35b7657fdb5c 100644
--- a/src/sentry/web/frontend/debug/debug_unable_to_delete_repository.py
+++ b/src/sentry/web/frontend/debug/debug_unable_to_delete_repository.py
@@ -3,10 +3,12 @@
 
 from sentry.models.repository import Repository
 from sentry.plugins.providers.dummy import DummyRepositoryProvider
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import MailPreview
 
 
+@internal_region_silo_view
 class DebugUnableToDeleteRepository(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         repo = Repository(name="getsentry/sentry", provider="dummy")
diff --git a/src/sentry/web/frontend/debug/debug_unable_to_fetch_commits_email.py b/src/sentry/web/frontend/debug/debug_unable_to_fetch_commits_email.py
index 7271678e2aa5a0..fb7e17eb21359d 100644
--- a/src/sentry/web/frontend/debug/debug_unable_to_fetch_commits_email.py
+++ b/src/sentry/web/frontend/debug/debug_unable_to_fetch_commits_email.py
@@ -5,10 +5,12 @@
 from sentry.models.release import Release
 from sentry.models.repository import Repository
 from sentry.tasks.commits import generate_fetch_commits_error_email
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import MailPreview
 
 
+@internal_region_silo_view
 class DebugUnableToFetchCommitsEmailView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         org = Organization(slug="myorg")
diff --git a/src/sentry/web/frontend/debug/debug_unassigned_email.py b/src/sentry/web/frontend/debug/debug_unassigned_email.py
index b2414ba53466b8..c8eebfa6016921 100644
--- a/src/sentry/web/frontend/debug/debug_unassigned_email.py
+++ b/src/sentry/web/frontend/debug/debug_unassigned_email.py
@@ -1,10 +1,12 @@
 from django.http import HttpRequest
 
 from sentry.types.activity import ActivityType
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import ActivityMailDebugView
 
 
+@internal_region_silo_view
 class DebugUnassignedEmailView(ActivityMailDebugView):
     def get_activity(self, request: HttpRequest, event):
         return {"type": ActivityType.UNASSIGNED.value, "user_id": request.user.id}
diff --git a/src/sentry/web/frontend/debug/debug_uptime_auto_detected_monitor_email.py b/src/sentry/web/frontend/debug/debug_uptime_auto_detected_monitor_email.py
index b0dcf2e190fd71..cb183f54382f44 100644
--- a/src/sentry/web/frontend/debug/debug_uptime_auto_detected_monitor_email.py
+++ b/src/sentry/web/frontend/debug/debug_uptime_auto_detected_monitor_email.py
@@ -3,6 +3,8 @@
 from django.http import HttpRequest, HttpResponse
 from django.views.generic import View
 
+from sentry.web.frontend.base import internal_region_silo_view
+
 from .mail import MailPreview
 
 
@@ -17,6 +19,7 @@ def get_context():
     }
 
 
+@internal_region_silo_view
 class DebugUptimeAutoDetectedMonitorEmailView(View):
     def get(self, request: HttpRequest) -> HttpResponse:
         context = get_context()
diff --git a/src/sentry/web/frontend/debug/debug_weekly_report.py b/src/sentry/web/frontend/debug/debug_weekly_report.py
index de4ca6b517c898..7f813d3c1578bc 100644
--- a/src/sentry/web/frontend/debug/debug_weekly_report.py
+++ b/src/sentry/web/frontend/debug/debug_weekly_report.py
@@ -11,6 +11,7 @@
 from sentry.tasks.summaries.weekly_reports import render_template_context
 from sentry.utils import loremipsum
 from sentry.utils.dates import floor_to_utc_day, to_datetime
+from sentry.web.frontend.base import internal_region_silo_view
 
 from .mail import MailPreviewView
 
@@ -20,6 +21,7 @@ def get_random(request):
     return Random(seed)
 
 
+@internal_region_silo_view
 class DebugWeeklyReportView(MailPreviewView):
     def get_context(self, request):
         organization = Organization(id=1, slug="myorg", name="MyOrg")
diff --git a/src/sentry/web/frontend/debug/mail.py b/src/sentry/web/frontend/debug/mail.py
index 8aaa2b6bcfa943..19c98944c9dd59 100644
--- a/src/sentry/web/frontend/debug/mail.py
+++ b/src/sentry/web/frontend/debug/mail.py
@@ -67,6 +67,7 @@
 from sentry.utils.http import absolute_uri
 from sentry.utils.samples import load_data
 from sentry.web.decorators import login_required
+from sentry.web.frontend.base import control_silo_view, internal_region_silo_view
 from sentry.web.helpers import render_to_response, render_to_string
 
 logger = logging.getLogger(__name__)
@@ -410,6 +411,7 @@ def html_body(self):
             raise
 
 
+@internal_region_silo_view
 class ActivityMailDebugView(View):
     def get_activity(self, request: AuthenticatedHttpRequest, event):
         raise NotImplementedError
@@ -446,6 +448,7 @@ def get(self, request: AuthenticatedHttpRequest) -> HttpResponse:
         )
 
 
+@internal_region_silo_view
 @login_required
 def alert(request):
     random = get_random(request)
@@ -489,6 +492,7 @@ def alert(request):
     ).render(request)
 
 
+@internal_region_silo_view
 @login_required
 def digest(request):
     random = get_random(request)
@@ -611,6 +615,7 @@ def digest(request):
     ).render(request)
 
 
+@internal_region_silo_view
 @login_required
 def request_access(request):
     org = Organization(id=1, slug="sentry", name="Sentry org")
@@ -631,6 +636,7 @@ def request_access(request):
     ).render(request)
 
 
+@internal_region_silo_view
 @login_required
 def request_access_for_another_member(request):
     org = Organization(id=1, slug="sentry", name="Sentry org")
@@ -652,6 +658,7 @@ def request_access_for_another_member(request):
     ).render(request)
 
 
+@internal_region_silo_view
 @login_required
 def invitation(request):
     org = Organization(id=1, slug="example", name="Example")
@@ -673,6 +680,7 @@ def invitation(request):
     ).render(request)
 
 
+@internal_region_silo_view
 @login_required
 def access_approved(request):
     org = Organization(id=1, slug="example", name="Example")
@@ -690,6 +698,7 @@ def access_approved(request):
     ).render(request)
 
 
+@internal_region_silo_view
 @login_required
 def confirm_email(request):
     email = request.user.emails.first()
@@ -711,6 +720,7 @@ def confirm_email(request):
     ).render(request)
 
 
+@internal_region_silo_view
 @login_required
 def recover_account(request):
     return MailPreview(
@@ -731,6 +741,7 @@ def recover_account(request):
     ).render(request)
 
 
+@control_silo_view
 @login_required
 def relocate_account(request):
     password_hash, __ = LostPasswordHash.objects.get_or_create(user_id=request.user.id)
@@ -753,6 +764,7 @@ def relocate_account(request):
     ).render(request)
 
 
+@internal_region_silo_view
 @login_required
 def relocation_failed(request):
     return MailPreview(
@@ -767,6 +779,7 @@ def relocation_failed(request):
     ).render(request)
 
 
+@internal_region_silo_view
 @login_required
 def relocation_started(request):
     return MailPreview(
@@ -781,6 +794,7 @@ def relocation_started(request):
     ).render(request)
 
 
+@internal_region_silo_view
 @login_required
 def relocation_succeeded(request):
     return MailPreview(
@@ -795,6 +809,7 @@ def relocation_succeeded(request):
     ).render(request)
 
 
+@internal_region_silo_view
 @login_required
 def org_delete_confirm(request):
     from sentry.models.auditlogentry import AuditLogEntry
diff --git a/src/sentry_plugins/bitbucket/endpoints/webhook.py b/src/sentry_plugins/bitbucket/endpoints/webhook.py
index 0f118be67c2178..01707797910cbc 100644
--- a/src/sentry_plugins/bitbucket/endpoints/webhook.py
+++ b/src/sentry_plugins/bitbucket/endpoints/webhook.py
@@ -19,6 +19,7 @@
 from sentry.plugins.providers import RepositoryProvider
 from sentry.utils import json
 from sentry.utils.email import parse_email
+from sentry.web.frontend.base import region_silo_view
 
 logger = logging.getLogger("sentry.webhooks")
 
@@ -79,6 +80,7 @@ def __call__(self, organization_id: int, event):
                     pass
 
 
+@region_silo_view
 class BitbucketPluginWebhookEndpoint(View):
     _handlers = {"repo:push": PushEventWebhook}
 
diff --git a/src/sentry_plugins/github/webhooks/integration.py b/src/sentry_plugins/github/webhooks/integration.py
index a16ce37dee6acb..012537974ab341 100644
--- a/src/sentry_plugins/github/webhooks/integration.py
+++ b/src/sentry_plugins/github/webhooks/integration.py
@@ -10,6 +10,7 @@
 
 from sentry import options
 from sentry.models.organization import Organization
+from sentry.web.frontend.base import all_silo_view
 
 from .base import GithubWebhookBase
 from .events import InstallationEventWebhook, InstallationRepositoryEventWebhook, PushEventWebhook
@@ -17,6 +18,7 @@
 logger = logging.getLogger(__name__)
 
 
+@all_silo_view
 class GithubPluginIntegrationsWebhookEndpoint(GithubWebhookBase):
     _handlers = {
         "push": PushEventWebhook,
diff --git a/src/sentry_plugins/github/webhooks/non_integration.py b/src/sentry_plugins/github/webhooks/non_integration.py
index f44a2cdf026ea5..b8ad11fd1819a3 100644
--- a/src/sentry_plugins/github/webhooks/non_integration.py
+++ b/src/sentry_plugins/github/webhooks/non_integration.py
@@ -7,12 +7,14 @@
 
 from sentry.models.options.organization_option import OrganizationOption
 from sentry.models.organization import Organization
+from sentry.web.frontend.base import region_silo_view
 
 from .base import GithubWebhookBase
 
 logger = logging.getLogger("sentry.webhooks")
 
 
+@region_silo_view
 class GithubPluginWebhookEndpoint(GithubWebhookBase):
     def get_logging_data(self, organization):
         return {"organization_id": organization.id}
diff --git a/static/app/data/controlsiloUrlPatterns.ts b/static/app/data/controlsiloUrlPatterns.ts
index 844dfa5a4fa04c..9deaac0e1cb832 100644
--- a/static/app/data/controlsiloUrlPatterns.ts
+++ b/static/app/data/controlsiloUrlPatterns.ts
@@ -2,6 +2,7 @@
 // To update it run `getsentry django generate_controlsilo_urls --format=js --output=/path/to/thisfile.ts`
 const patterns: RegExp[] = [
   new RegExp('^remote/heroku/resources(?:/[^/]+)?$'),
+  new RegExp('^remote/heroku/sso-login/?$'),
   new RegExp('^remote/beacon/$'),
   new RegExp('^remote/newsletter/unsubscribe/$'),
   new RegExp('^remote/github-copilot/oauth/$'),
@@ -16,8 +17,13 @@ const patterns: RegExp[] = [
   new RegExp('^remote/vercel/v1/installations/[^/]+/resources$'),
   new RegExp('^remote/vercel/v1/installations/[^/]+/resources/[^/]+$'),
   new RegExp('^remote/vercel/oauth$'),
+  new RegExp('^$'),
+  new RegExp('^support/$'),
+  new RegExp('^identity/login/[^/]+/$'),
   new RegExp('^orgredirect/try-business/$'),
   new RegExp('^orgredirect/'),
+  new RegExp('^associate/complete/[^/]+/$'),
+  new RegExp('^associate/[^/]+/$'),
   new RegExp('^api/0/staff-auth/$'),
   new RegExp('^api/0/signup/$'),
   new RegExp('^api/0/audit-logs/$'),
@@ -50,6 +56,7 @@ const patterns: RegExp[] = [
   new RegExp('^api/0/sponsored_account_request/$'),
   new RegExp('^api/0/migrate_to_hosted/$'),
   new RegExp('^api/0/sponsored_education_account/$'),
+  new RegExp('^organizations/[^/]+/documents/[^/]+/?$'),
   new RegExp('^api/0/organizations/[^/]+/broadcasts/$'),
   new RegExp('^api/0/billing-config/$'),
   new RegExp('^api/0/auth-details/$'),
@@ -58,8 +65,15 @@ const patterns: RegExp[] = [
   new RegExp('^_admin/'),
   new RegExp('^500/'),
   new RegExp('^404/'),
+  new RegExp('^403-csrf-failure/'),
+  new RegExp('^debug/mail/relocate-account/$'),
   new RegExp('^_warmup/$'),
   new RegExp('^api/client-config/?$'),
+  new RegExp('^api/relay/.*$'),
+  new RegExp('^_static/dist/[^/]+/[^/]+$'),
+  new RegExp('^_static/(?:[^/]+/)?[^/]+/[^/]+$'),
+  new RegExp('^get-cli/$'),
+  new RegExp('^get-cli/[^/]+/[^/]+/?$'),
   new RegExp('^api/0/organizations/[^/]+/api-keys/$'),
   new RegExp('^api/0/organizations/[^/]+/api-keys/[^/]+/$'),
   new RegExp('^api/0/organizations/[^/]+/audit-logs/$'),
@@ -172,15 +186,28 @@ const patterns: RegExp[] = [
   new RegExp('^auth/channel/[^/]+/[^/]+/$'),
   new RegExp('^auth/link/[^/]+/$'),
   new RegExp('^auth/2fa/$'),
+  new RegExp('^auth/2fa/u2fappid\\.json$'),
   new RegExp('^auth/sso/$'),
   new RegExp('^auth/logout/$'),
   new RegExp('^auth/reactivate/$'),
   new RegExp('^auth/register/$'),
   new RegExp('^auth/close/$'),
+  new RegExp('^login-redirect/$'),
   new RegExp('^account/sudo/$'),
+  new RegExp('^account/confirm-email/$'),
+  new RegExp('^account/confirm-email/[^/]+/[^/]+/$'),
+  new RegExp('^account/confirm-signed-email/[^/]+/$'),
   new RegExp('^account/user-confirm/[^/]+/$'),
+  new RegExp('^account/recover/$'),
+  new RegExp('^account/recover/confirm/[^/]+/[^/]+/$'),
+  new RegExp('^account/relocation/reclaim/[^/]+/$'),
+  new RegExp('^account/password/confirm/[^/]+/[^/]+/$'),
+  new RegExp('^account/relocation/confirm/[^/]+/[^/]+/$'),
   new RegExp('^account/settings/identities/associate/[^/]+/[^/]+/[^/]+/$'),
   new RegExp('^account/settings/wizard/[^/]+/$'),
+  new RegExp('^account/settings/social/associate/complete/[^/]+/$'),
+  new RegExp('^account/settings/social/associate/[^/]+/$'),
+  new RegExp('^auth/sso/account/settings/social/associate/complete/[^/]+/$'),
   new RegExp('^out/$'),
   new RegExp('^settings/organization/auth/configure/$'),
   new RegExp('^disabled-member/'),
@@ -190,6 +217,10 @@ const patterns: RegExp[] = [
   new RegExp('^avatar/[^/]+/$'),
   new RegExp('^sentry-app-avatar/[^/]+/$'),
   new RegExp('^doc-integration-avatar/[^/]+/$'),
+  new RegExp('^_chartcuterie-config\\.js$'),
+  new RegExp('^robots\\.txt$'),
+  new RegExp('^\\.well-known/security\\.txt$'),
+  new RegExp('^\\.well-known/mcp\\.json$'),
   new RegExp('^extensions/[^/]+/setup/$'),
   new RegExp('^extensions/jira/ui-hook/$'),
   new RegExp('^extensions/jira/descriptor/$'),
@@ -223,6 +254,7 @@ const patterns: RegExp[] = [
   new RegExp('^extensions/discord/configure/$'),
   new RegExp('^extensions/discord/link-identity/[^/]+/$'),
   new RegExp('^extensions/discord/unlink-identity/[^/]+/$'),
+  new RegExp('^plugins/github/installations/webhook/$'),
   new RegExp('^share/(?:group|issue)/[^/]+/$'),
 ];
 
diff --git a/tests/sentry/web/frontend/test_base.py b/tests/sentry/web/frontend/test_base.py
index 0e7e8dcd904bdb..96e638e014cd3e 100644
--- a/tests/sentry/web/frontend/test_base.py
+++ b/tests/sentry/web/frontend/test_base.py
@@ -9,11 +9,11 @@
 
 class ViewSiloLimitTest(APITestCase):
     def _test_active_on(self, endpoint_mode, active_mode, expect_to_be_active):
-        @ViewSiloLimit(endpoint_mode)
+        @ViewSiloLimit([endpoint_mode])
         def view_func(request):
             pass
 
-        @ViewSiloLimit(endpoint_mode)
+        @ViewSiloLimit([endpoint_mode])
         class DummyView(BaseView):
             def get(self, request):
                 return Response("dummy-view", 200)
@@ -43,3 +43,23 @@ def test_with_inactive_mode(self) -> None:
     def test_with_monolith_mode(self) -> None:
         self._test_active_on(SiloMode.REGION, SiloMode.MONOLITH, True)
         self._test_active_on(SiloMode.CONTROL, SiloMode.MONOLITH, True)
+
+    def test_sets_silo_limit_on_function(self) -> None:
+        @ViewSiloLimit([SiloMode.CONTROL])
+        def view_func(request):
+            pass
+
+        assert view_func.silo_limit, "Should have silo_limit set"
+        assert view_func.silo_limit.modes, "Should have silo_limit.modes set"
+        assert not view_func.silo_limit.internal, "Not internal by default"
+
+    def test_internal_attribute(self) -> None:
+        @ViewSiloLimit([SiloMode.REGION], internal=True)
+        def view_func(request):
+            pass
+
+        assert view_func.silo_limit, "Should have silo_limit set"
+        assert view_func.silo_limit.modes, "Should have silo_limit.modes set"
+        assert len(view_func.silo_limit.modes) == 1
+        assert SiloMode.REGION in view_func.silo_limit.modes
+        assert view_func.silo_limit.internal, "Should be marked as internal"