diff --git a/CHANGELOG.md b/CHANGELOG.md
index 39f948597d44..bdef319c2dfb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 ## Unreleased
 
 ### General
--
+- Feat: アクセストークン発行時に通知するように
 
 ### Client
 - Enhance: 投稿フォームの「迷惑になる可能性があります」のダイアログを表示する条件においてCWを考慮するように
diff --git a/locales/index.d.ts b/locales/index.d.ts
index 4e4e95b6ed99..4fe605490ed6 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -9472,6 +9472,14 @@ export interface Locale extends ILocale {
          * ログインがありました
          */
         "login": string;
+        /**
+         * アクセストークンが作成されました
+         */
+        "createToken": string;
+        /**
+         * 心当たりがない場合は「{text}」を通じてアクセストークンを削除してください。
+         */
+        "createTokenDescription": ParameterizedString<"text">;
         "_types": {
             /**
              * すべて
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index ea18cc063c8a..57b11e9e0434 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -2500,6 +2500,8 @@ _notification:
   flushNotification: "通知の履歴をリセットする"
   exportOfXCompleted: "{x}のエクスポートが完了しました"
   login: "ログインがありました"
+  createToken: "アクセストークンが作成されました"
+  createTokenDescription: "心当たりがない場合は「{text}」を通じてアクセストークンを削除してください。"
 
   _types:
     all: "すべて"
diff --git a/packages/backend/src/models/Notification.ts b/packages/backend/src/models/Notification.ts
index b7f8e94d691d..5772ace338fb 100644
--- a/packages/backend/src/models/Notification.ts
+++ b/packages/backend/src/models/Notification.ts
@@ -90,6 +90,10 @@ export type MiNotification = {
 	type: 'login';
 	id: string;
 	createdAt: string;
+} | {
+	type: 'createToken';
+	id: string;
+	createdAt: string;
 } | {
 	type: 'app';
 	id: string;
diff --git a/packages/backend/src/models/json-schema/notification.ts b/packages/backend/src/models/json-schema/notification.ts
index cddaf4bc8370..1638b2b3c72a 100644
--- a/packages/backend/src/models/json-schema/notification.ts
+++ b/packages/backend/src/models/json-schema/notification.ts
@@ -332,6 +332,16 @@ export const packedNotificationSchema = {
 				enum: ['login'],
 			},
 		},
+	}, {
+		type: 'object',
+		properties: {
+			...baseSchema.properties,
+			type: {
+				type: 'string',
+				optional: false, nullable: false,
+				enum: ['createToken'],
+			},
+		},
 	}, {
 		type: 'object',
 		properties: {
diff --git a/packages/backend/src/server/api/endpoints/miauth/gen-token.ts b/packages/backend/src/server/api/endpoints/miauth/gen-token.ts
index fc9a8f3ebebd..f1e372664112 100644
--- a/packages/backend/src/server/api/endpoints/miauth/gen-token.ts
+++ b/packages/backend/src/server/api/endpoints/miauth/gen-token.ts
@@ -7,6 +7,7 @@ import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import type { AccessTokensRepository } from '@/models/_.js';
 import { IdService } from '@/core/IdService.js';
+import { NotificationService } from '@/core/NotificationService.js';
 import { secureRndstr } from '@/misc/secure-rndstr.js';
 import { DI } from '@/di-symbols.js';
 
@@ -50,6 +51,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private accessTokensRepository: AccessTokensRepository,
 
 		private idService: IdService,
+		private notificationService: NotificationService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			// Generate access token
@@ -71,6 +73,9 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				permission: ps.permission,
 			});
 
+			// アクセストークンが生成されたことを通知
+			this.notificationService.createNotification(me.id, 'createToken', {});
+
 			return {
 				token: accessToken,
 			};
diff --git a/packages/backend/src/types.ts b/packages/backend/src/types.ts
index df3cfee17103..bf409031c88f 100644
--- a/packages/backend/src/types.ts
+++ b/packages/backend/src/types.ts
@@ -18,6 +18,7 @@
  * achievementEarned - 実績を獲得
  * exportCompleted - エクスポートが完了
  * login - ログイン
+ * createToken - トークン作成
  * app - アプリ通知
  * test - テスト通知（サーバー側）
  */
@@ -36,6 +37,7 @@ export const notificationTypes = [
 	'achievementEarned',
 	'exportCompleted',
 	'login',
+	'createToken',
 	'app',
 	'test',
 ] as const;
diff --git a/packages/frontend-shared/js/const.ts b/packages/frontend-shared/js/const.ts
index 4fe5cbb205a7..9e20479e265e 100644
--- a/packages/frontend-shared/js/const.ts
+++ b/packages/frontend-shared/js/const.ts
@@ -69,6 +69,7 @@ export const notificationTypes = [
 	'achievementEarned',
 	'exportCompleted',
 	'login',
+	'createToken',
 	'test',
 	'app',
 ] as const;
diff --git a/packages/frontend/src/components/MkNotification.vue b/packages/frontend/src/components/MkNotification.vue
index 093bdb8b4cd0..80cb9a45bb87 100644
--- a/packages/frontend/src/components/MkNotification.vue
+++ b/packages/frontend/src/components/MkNotification.vue
@@ -7,7 +7,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <div :class="$style.root">
 	<div :class="$style.head">
 		<MkAvatar v-if="['pollEnded', 'note'].includes(notification.type) && 'note' in notification" :class="$style.icon" :user="notification.note.user" link preview/>
-		<MkAvatar v-else-if="['roleAssigned', 'achievementEarned', 'exportCompleted', 'login'].includes(notification.type)" :class="$style.icon" :user="$i" link preview/>
+		<MkAvatar v-else-if="['roleAssigned', 'achievementEarned', 'exportCompleted', 'login', 'createToken'].includes(notification.type)" :class="$style.icon" :user="$i" link preview/>
 		<div v-else-if="notification.type === 'reaction:grouped' && notification.note.reactionAcceptance === 'likeOnly'" :class="[$style.icon, $style.icon_reactionGroupHeart]"><i class="ti ti-heart" style="line-height: 1;"></i></div>
 		<div v-else-if="notification.type === 'reaction:grouped'" :class="[$style.icon, $style.icon_reactionGroup]"><i class="ti ti-plus" style="line-height: 1;"></i></div>
 		<div v-else-if="notification.type === 'renote:grouped'" :class="[$style.icon, $style.icon_renoteGroup]"><i class="ti ti-repeat" style="line-height: 1;"></i></div>
@@ -27,6 +27,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				[$style.t_achievementEarned]: notification.type === 'achievementEarned',
 				[$style.t_exportCompleted]: notification.type === 'exportCompleted',
 				[$style.t_login]: notification.type === 'login',
+				[$style.t_createToken]: notification.type === 'createToken',
 				[$style.t_roleAssigned]: notification.type === 'roleAssigned' && notification.role.iconUrl == null,
 			}]"
 		>
@@ -41,6 +42,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<i v-else-if="notification.type === 'achievementEarned'" class="ti ti-medal"></i>
 			<i v-else-if="notification.type === 'exportCompleted'" class="ti ti-archive"></i>
 			<i v-else-if="notification.type === 'login'" class="ti ti-login-2"></i>
+			<i v-else-if="notification.type === 'createToken'" class="ti ti-key"></i>
 			<template v-else-if="notification.type === 'roleAssigned'">
 				<img v-if="notification.role.iconUrl" style="height: 1.3em; vertical-align: -22%;" :src="notification.role.iconUrl" alt=""/>
 				<i v-else class="ti ti-badges"></i>
@@ -61,6 +63,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<span v-else-if="notification.type === 'roleAssigned'">{{ i18n.ts._notification.roleAssigned }}</span>
 			<span v-else-if="notification.type === 'achievementEarned'">{{ i18n.ts._notification.achievementEarned }}</span>
 			<span v-else-if="notification.type === 'login'">{{ i18n.ts._notification.login }}</span>
+			<span v-else-if="notification.type === 'createToken'">{{ i18n.ts._notification.createToken }}</span>
 			<span v-else-if="notification.type === 'test'">{{ i18n.ts._notification.testNotification }}</span>
 			<span v-else-if="notification.type === 'exportCompleted'">{{ i18n.tsx._notification.exportOfXCompleted({ x: exportEntityName[notification.exportedEntity] }) }}</span>
 			<MkA v-else-if="notification.type === 'follow' || notification.type === 'mention' || notification.type === 'reply' || notification.type === 'renote' || notification.type === 'quote' || notification.type === 'reaction' || notification.type === 'receiveFollowRequest' || notification.type === 'followRequestAccepted'" v-user-preview="notification.user.id" :class="$style.headerName" :to="userPage(notification.user)"><MkUserName :user="notification.user"/></MkA>
@@ -107,6 +110,9 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<MkA v-else-if="notification.type === 'exportCompleted'" :class="$style.text" :to="`/my/drive/file/${notification.fileId}`">
 				{{ i18n.ts.showFile }}
 			</MkA>
+			<MkA v-else-if="notification.type === 'createToken'" :class="$style.text" to="/settings/apps">
+				<Mfm :text="i18n.tsx._notification.createTokenDescription({ text: i18n.ts.manageAccessTokens })"/>
+			</MkA>
 			<template v-else-if="notification.type === 'follow'">
 				<span :class="$style.text" style="opacity: 0.6;">{{ i18n.ts.youGotNewFollower }}</span>
 			</template>
@@ -357,6 +363,12 @@ function getActualReactedUsersCount(notification: Misskey.entities.Notification)
 	pointer-events: none;
 }
 
+.t_createToken {
+	padding: 3px;
+	background: var(--eventOther);
+	pointer-events: none;
+}
+
 .tail {
 	flex: 1;
 	min-width: 0;
diff --git a/packages/frontend/src/pages/settings/notifications.vue b/packages/frontend/src/pages/settings/notifications.vue
index 12af8d93d701..1e7436bf9c93 100644
--- a/packages/frontend/src/pages/settings/notifications.vue
+++ b/packages/frontend/src/pages/settings/notifications.vue
@@ -81,7 +81,7 @@ const $i = signinRequired();
 
 const nonConfigurableNotificationTypes = ['note', 'roleAssigned', 'followRequestAccepted', 'test', 'exportCompleted'] satisfies (typeof notificationTypes[number])[] as string[];
 
-const onlyOnOrOffNotificationTypes = ['app', 'achievementEarned', 'login'] satisfies (typeof notificationTypes[number])[] as string[];
+const onlyOnOrOffNotificationTypes = ['app', 'achievementEarned', 'login', 'createToken'] satisfies (typeof notificationTypes[number])[] as string[];
 
 const allowButton = shallowRef<InstanceType<typeof MkPushNotificationAllowButton>>();
 const pushRegistrationInServer = computed(() => allowButton.value?.pushRegistrationInServer);
diff --git a/packages/misskey-js/src/autogen/types.ts b/packages/misskey-js/src/autogen/types.ts
index 313d0506fab9..c7485c6c3d6e 100644
--- a/packages/misskey-js/src/autogen/types.ts
+++ b/packages/misskey-js/src/autogen/types.ts
@@ -4355,6 +4355,13 @@ export type components = {
       createdAt: string;
       /** @enum {string} */
       type: 'login';
+    } | {
+      /** Format: id */
+      id: string;
+      /** Format: date-time */
+      createdAt: string;
+      /** @enum {string} */
+      type: 'createToken';
     } | ({
       /** Format: id */
       id: string;
@@ -19917,8 +19924,8 @@ export type operations = {
           untilId?: string;
           /** @default true */
           markAsRead?: boolean;
-          includeTypes?: ('note' | 'follow' | 'mention' | 'reply' | 'renote' | 'quote' | 'reaction' | 'pollEnded' | 'receiveFollowRequest' | 'followRequestAccepted' | 'roleAssigned' | 'achievementEarned' | 'exportCompleted' | 'login' | 'app' | 'test' | 'pollVote' | 'groupInvited')[];
-          excludeTypes?: ('note' | 'follow' | 'mention' | 'reply' | 'renote' | 'quote' | 'reaction' | 'pollEnded' | 'receiveFollowRequest' | 'followRequestAccepted' | 'roleAssigned' | 'achievementEarned' | 'exportCompleted' | 'login' | 'app' | 'test' | 'pollVote' | 'groupInvited')[];
+          includeTypes?: ('note' | 'follow' | 'mention' | 'reply' | 'renote' | 'quote' | 'reaction' | 'pollEnded' | 'receiveFollowRequest' | 'followRequestAccepted' | 'roleAssigned' | 'achievementEarned' | 'exportCompleted' | 'login' | 'createToken' | 'app' | 'test' | 'pollVote' | 'groupInvited')[];
+          excludeTypes?: ('note' | 'follow' | 'mention' | 'reply' | 'renote' | 'quote' | 'reaction' | 'pollEnded' | 'receiveFollowRequest' | 'followRequestAccepted' | 'roleAssigned' | 'achievementEarned' | 'exportCompleted' | 'login' | 'createToken' | 'app' | 'test' | 'pollVote' | 'groupInvited')[];
         };
       };
     };
@@ -19985,8 +19992,8 @@ export type operations = {
           untilId?: string;
           /** @default true */
           markAsRead?: boolean;
-          includeTypes?: ('note' | 'follow' | 'mention' | 'reply' | 'renote' | 'quote' | 'reaction' | 'pollEnded' | 'receiveFollowRequest' | 'followRequestAccepted' | 'roleAssigned' | 'achievementEarned' | 'exportCompleted' | 'login' | 'app' | 'test' | 'reaction:grouped' | 'renote:grouped' | 'pollVote' | 'groupInvited')[];
-          excludeTypes?: ('note' | 'follow' | 'mention' | 'reply' | 'renote' | 'quote' | 'reaction' | 'pollEnded' | 'receiveFollowRequest' | 'followRequestAccepted' | 'roleAssigned' | 'achievementEarned' | 'exportCompleted' | 'login' | 'app' | 'test' | 'reaction:grouped' | 'renote:grouped' | 'pollVote' | 'groupInvited')[];
+          includeTypes?: ('note' | 'follow' | 'mention' | 'reply' | 'renote' | 'quote' | 'reaction' | 'pollEnded' | 'receiveFollowRequest' | 'followRequestAccepted' | 'roleAssigned' | 'achievementEarned' | 'exportCompleted' | 'login' | 'createToken' | 'app' | 'test' | 'reaction:grouped' | 'renote:grouped' | 'pollVote' | 'groupInvited')[];
+          excludeTypes?: ('note' | 'follow' | 'mention' | 'reply' | 'renote' | 'quote' | 'reaction' | 'pollEnded' | 'receiveFollowRequest' | 'followRequestAccepted' | 'roleAssigned' | 'achievementEarned' | 'exportCompleted' | 'login' | 'createToken' | 'app' | 'test' | 'reaction:grouped' | 'renote:grouped' | 'pollVote' | 'groupInvited')[];
         };
       };
     };