diff --git a/packages/authenticated-user-storage/CHANGELOG.md b/packages/authenticated-user-storage/CHANGELOG.md
index a1081ed800..d15146428b 100644
--- a/packages/authenticated-user-storage/CHANGELOG.md
+++ b/packages/authenticated-user-storage/CHANGELOG.md
@@ -13,6 +13,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - `getAssetsWatchlist` returns the assets-watchlist blob or `null` on 404, mirroring `getNotificationPreferences`.
   - `setAssetsWatchlist` writes the full blob and enforces a maximum of `ASSETS_WATCHLIST_MAX_ASSETS` (100) assets before sending the request, via a superstruct `size` constraint on the write-side schema.
 
+### Changed
+
+- **BREAKING:** Add required `agenticCli` field to `NotificationPreferences`, along with the `AgenticCliPreference` type and `NotificationPreferencesSchema` validation for Agentic CLI notification preferences ([#8933](https://github.com/MetaMask/core/pull/8933))
+
 ## [2.0.0]
 
 ### Changed
diff --git a/packages/authenticated-user-storage/src/index.ts b/packages/authenticated-user-storage/src/index.ts
index 74bc6d2624..ab8d341fe7 100644
--- a/packages/authenticated-user-storage/src/index.ts
+++ b/packages/authenticated-user-storage/src/index.ts
@@ -35,6 +35,7 @@ export type {
   PerpsWatchlistMarkets,
   PerpsPreference,
   SocialAIPreference,
+  AgenticCliPreference,
   NotificationPreferences,
   AssetsWatchlistBlob,
   ClientType,
diff --git a/packages/authenticated-user-storage/src/types.ts b/packages/authenticated-user-storage/src/types.ts
index b57c7e6aaa..b200da6b79 100644
--- a/packages/authenticated-user-storage/src/types.ts
+++ b/packages/authenticated-user-storage/src/types.ts
@@ -69,6 +69,11 @@ export type WalletActivityAccount = {
   enabled: boolean;
 };
 
+export type AgenticCliPreference = {
+  inAppNotificationsEnabled: boolean;
+  pushNotificationsEnabled: boolean;
+};
+
 export type WalletActivityPreference = {
   inAppNotificationsEnabled: boolean;
   pushNotificationsEnabled: boolean;
@@ -109,6 +114,7 @@ export type NotificationPreferences = {
   marketing: MarketingPreference;
   perps: PerpsPreference;
   socialAI: SocialAIPreference;
+  agenticCli: AgenticCliPreference;
 };
 
 // ---------------------------------------------------------------------------
diff --git a/packages/authenticated-user-storage/src/validators.ts b/packages/authenticated-user-storage/src/validators.ts
index 0a9b406b9d..c3177792b1 100644
--- a/packages/authenticated-user-storage/src/validators.ts
+++ b/packages/authenticated-user-storage/src/validators.ts
@@ -91,11 +91,17 @@ const SocialAIPreferenceSchema = type({
   mutedTraderProfileIds: array(string()),
 });
 
+const AgenticCliPreferenceSchema = type({
+  inAppNotificationsEnabled: boolean(),
+  pushNotificationsEnabled: boolean(),
+});
+
 const NotificationPreferencesSchema = type({
   walletActivity: WalletActivityPreferenceSchema,
   marketing: MarketingPreferenceSchema,
   perps: PerpsPreferenceSchema,
   socialAI: SocialAIPreferenceSchema,
+  agenticCli: AgenticCliPreferenceSchema,
 });
 
 /**
diff --git a/packages/authenticated-user-storage/tests/mocks/authenticated-userstorage.ts b/packages/authenticated-user-storage/tests/mocks/authenticated-userstorage.ts
index 871f5f5149..f819720d00 100644
--- a/packages/authenticated-user-storage/tests/mocks/authenticated-userstorage.ts
+++ b/packages/authenticated-user-storage/tests/mocks/authenticated-userstorage.ts
@@ -68,6 +68,10 @@ export const MOCK_NOTIFICATION_PREFERENCES: NotificationPreferences = {
       'e8f2a1b3-5c4d-4e6f-8a9b-2c3d4e5f6a7b',
     ],
   },
+  agenticCli: {
+    inAppNotificationsEnabled: true,
+    pushNotificationsEnabled: false,
+  },
 };
 
 export const MOCK_ASSETS_WATCHLIST_BLOB: AssetsWatchlistBlob = {
diff --git a/packages/notification-services-controller/CHANGELOG.md b/packages/notification-services-controller/CHANGELOG.md
index 5aa4c3f76c..3d77bdb3f5 100644
--- a/packages/notification-services-controller/CHANGELOG.md
+++ b/packages/notification-services-controller/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- Add `DEFAULT_AGENTIC_CLI_PREFERENCES` and initialize `agenticCli` when building fresh notification preferences via `NotificationServicesController` ([#8933](https://github.com/MetaMask/core/pull/8933))
+
 ## [24.1.2]
 
 ### Changed
diff --git a/packages/notification-services-controller/src/NotificationServicesController/NotificationServicesController.test.ts b/packages/notification-services-controller/src/NotificationServicesController/NotificationServicesController.test.ts
index 52514d76ce..47bc570282 100644
--- a/packages/notification-services-controller/src/NotificationServicesController/NotificationServicesController.test.ts
+++ b/packages/notification-services-controller/src/NotificationServicesController/NotificationServicesController.test.ts
@@ -44,6 +44,7 @@ import {
 } from './mocks/mock-feature-announcements';
 import { createMockNotificationEthSent } from './mocks/mock-raw-notifications';
 import {
+  DEFAULT_AGENTIC_CLI_PREFERENCES,
   DEFAULT_PERPS_PREFERENCES,
   DEFAULT_SOCIAL_AI_PREFERENCES,
   NotificationServicesController,
@@ -105,6 +106,10 @@ const prefsFromAddresses = (
     pushNotificationsEnabled: true,
     mutedTraderProfileIds: [],
   },
+  agenticCli: {
+    inAppNotificationsEnabled: true,
+    pushNotificationsEnabled: true,
+  },
 });
 
 const prefsFromAddressesWithMarketingInAppNotifications = (
@@ -565,6 +570,7 @@ describe('NotificationServicesController', () => {
           },
           perps: { ...DEFAULT_PERPS_PREFERENCES },
           socialAI: { ...DEFAULT_SOCIAL_AI_PREFERENCES },
+          agenticCli: { ...DEFAULT_AGENTIC_CLI_PREFERENCES },
         });
         expect(mockEnablePushNotifications).toHaveBeenCalledWith([
           ADDRESS_1.toLowerCase(),
diff --git a/packages/notification-services-controller/src/NotificationServicesController/NotificationServicesController.ts b/packages/notification-services-controller/src/NotificationServicesController/NotificationServicesController.ts
index bbc558c4f3..ba6f7826b9 100644
--- a/packages/notification-services-controller/src/NotificationServicesController/NotificationServicesController.ts
+++ b/packages/notification-services-controller/src/NotificationServicesController/NotificationServicesController.ts
@@ -1,4 +1,5 @@
 import type {
+  AgenticCliPreference,
   AuthenticatedUserStorageServiceGetNotificationPreferencesAction,
   AuthenticatedUserStorageServicePutNotificationPreferencesAction,
   NotificationPreferences,
@@ -244,6 +245,15 @@ export const DEFAULT_SOCIAL_AI_PREFERENCES: Required<SocialAIPreference> = {
   mutedTraderProfileIds: [],
 };
 
+/**
+ * Hardcoded default Agentic CLI notification preferences. Applied when
+ * notification preferences are initialized for the first time.
+ */
+export const DEFAULT_AGENTIC_CLI_PREFERENCES: AgenticCliPreference = {
+  inAppNotificationsEnabled: true,
+  pushNotificationsEnabled: true,
+};
+
 /**
  * Builds wallet-activity preferences from the keyring's current accounts.
  *
@@ -325,6 +335,7 @@ const buildFreshPreferences = (
   },
   perps: { ...DEFAULT_PERPS_PREFERENCES },
   socialAI: { ...DEFAULT_SOCIAL_AI_PREFERENCES },
+  agenticCli: { ...DEFAULT_AGENTIC_CLI_PREFERENCES },
 });
 
 const MESSENGER_EXPOSED_METHODS = [
diff --git a/packages/notification-services-controller/src/index.ts b/packages/notification-services-controller/src/index.ts
index f2985ab0fb..572012cb6b 100644
--- a/packages/notification-services-controller/src/index.ts
+++ b/packages/notification-services-controller/src/index.ts
@@ -1,6 +1,7 @@
 export * as NotificationServicesController from './NotificationServicesController';
 export * as NotificationServicesPushController from './NotificationServicesPushController';
 export {
+  DEFAULT_AGENTIC_CLI_PREFERENCES,
   DEFAULT_PERPS_PREFERENCES,
   DEFAULT_SOCIAL_AI_PREFERENCES,
 } from './NotificationServicesController';