diff --git a/packages/misskey-js/src/endpoints.ts b/packages/misskey-js/src/endpoints.ts
new file mode 100644
index 000000000..164ce7b5f
--- /dev/null
+++ b/packages/misskey-js/src/endpoints.ts
@@ -0,0 +1,162 @@
+import { localUsernameSchema, passwordSchema } from "./schema/user";
+
+export type RolePolicies = {
+	gtlAvailable: boolean;
+	ltlAvailable: boolean;
+	canPublicNote: boolean;
+	canInvite: boolean;
+	canManageCustomEmojis: boolean;
+	canSearchNotes: boolean;
+	canHideAds: boolean;
+	driveCapacityMb: number;
+	pinLimit: number;
+	antennaLimit: number;
+	wordMuteLimit: number;
+	webhookLimit: number;
+	clipLimit: number;
+	noteEachClipsLimit: number;
+	userListLimit: number;
+	userEachUserListsLimit: number;
+	rateLimitFactor: number;
+};
+
+export interface IEndpointMeta {
+	readonly stability?: 'deprecated' | 'experimental' | 'stable';
+
+	readonly tags?: ReadonlyArray<string>;
+
+	readonly errors?: {
+		readonly [key: string]: {
+			readonly message: string;
+			readonly code: string;
+			readonly id: string;
+		};
+	};
+
+	readonly defines: { req: Schema | undefined; res: Schema | undefined; }[];
+
+	/**
+	 * このエンドポイントにリクエストするのにユーザー情報が必須か否か
+	 * 省略した場合は false として解釈されます。
+	 */
+	readonly requireCredential?: boolean;
+
+	/**
+	 * isModeratorなロールを必要とするか
+	 */
+	readonly requireModerator?: boolean;
+
+	/**
+	 * isAdministratorなロールを必要とするか
+	 */
+	readonly requireAdmin?: boolean;
+
+	readonly requireRolePolicy?: keyof RolePolicies;
+
+	/**
+	 * 引っ越し済みのユーザーによるリクエストを禁止するか
+	 * 省略した場合は false として解釈されます。
+	 */
+	readonly prohibitMoved?: boolean;
+
+	/**
+	 * エンドポイントのリミテーションに関するやつ
+	 * 省略した場合はリミテーションは無いものとして解釈されます。
+	 */
+	readonly limit?: {
+
+		/**
+		 * 複数のエンドポイントでリミットを共有したい場合に指定するキー
+		 */
+		readonly key?: string;
+
+		/**
+		 * リミットを適用する期間(ms)
+		 * このプロパティを設定する場合、max プロパティも設定する必要があります。
+		 */
+		readonly duration?: number;
+
+		/**
+		 * durationで指定した期間内にいくつまでリクエストできるのか
+		 * このプロパティを設定する場合、duration プロパティも設定する必要があります。
+		 */
+		readonly max?: number;
+
+		/**
+		 * 最低でもどれくらいの間隔を開けてリクエストしなければならないか(ms)
+		 */
+		readonly minInterval?: number;
+	};
+
+	/**
+	 * ファイルの添付を必要とするか否か
+	 * 省略した場合は false として解釈されます。
+	 */
+	readonly requireFile?: boolean;
+
+	/**
+	 * サードパーティアプリからはリクエストすることができないか否か
+	 * 省略した場合は false として解釈されます。
+	 */
+	readonly secure?: boolean;
+
+	/**
+	 * エンドポイントの種類
+	 * パーミッションの実現に利用されます。
+	 */
+	readonly kind?: string;
+
+	readonly description?: string;
+
+	/**
+	 * GETでのリクエストを許容するか否か
+	 */
+	readonly allowGet?: boolean;
+
+	/**
+	 * 正常応答をキャッシュ (Cache-Control: public) する秒数
+	 */
+	readonly cacheSec?: number;
+}
+
+export const endpoints = {
+    "admin/accounts/create": {
+        tags: ['admin'],
+        defines: [{
+            req: {
+                type: 'object',
+                properties: {
+                    username: localUsernameSchema,
+                    password: passwordSchema,
+                },
+                required: ['username', 'password'],
+            },
+            res: {
+                type: 'object',
+                ref: 'User',
+                properties: {
+                    token: {
+                        type: 'string',
+                    },
+                    required: ['token'],
+                },
+            },
+        }],
+    },
+    "admin/accounts/delete": {
+        tags: ['admin'],
+    
+        requireCredential: true,
+        requireAdmin: true,
+        defines: [{
+            req: {
+                type: 'object',
+                properties: {
+                    userId: { type: 'string', format: 'misskey:id' },
+                },
+                required: ['userId'],
+            },
+            res: undefined,
+        }],
+    },
+} as const;
diff --git a/packages/misskey-js/src/schema/antenna.ts b/packages/misskey-js/src/schema/antenna.ts
new file mode 100644
index 000000000..d0c7e7c23
--- /dev/null
+++ b/packages/misskey-js/src/schema/antenna.ts
@@ -0,0 +1,89 @@
+export const packedAntennaSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			format: 'id',
+		},
+		createdAt: {
+			type: 'string',
+			format: 'date-time',
+		},
+		name: {
+			type: 'string',
+		},
+		keywords: {
+			type: 'array',
+			items: {
+				type: 'array',
+				items: {
+					type: 'string',
+				},
+			},
+		},
+		excludeKeywords: {
+			type: 'array',
+			items: {
+				type: 'array',
+				items: {
+					type: 'string',
+				},
+			},
+		},
+		src: {
+			type: 'string',
+			enum: ['home', 'all', 'users', 'list'],
+		},
+		userListId: {
+			oneOf: [{
+				type: 'string',
+				format: 'id',
+			}, {
+				type: 'null',
+			}],
+		},
+		users: {
+			type: 'array',
+			items: {
+				type: 'string',
+			},
+		},
+		caseSensitive: {
+			type: 'boolean',
+			default: false,
+		},
+		notify: {
+			type: 'boolean',
+		},
+		withReplies: {
+			type: 'boolean',
+			default: false,
+		},
+		withFile: {
+			type: 'boolean',
+		},
+		isActive: {
+			type: 'boolean',
+		},
+		hasUnreadNote: {
+			type: 'boolean',
+			default: false,
+		},
+		required: [
+			'id',
+			'createdAt',
+			'name',
+			'keywords',
+			'excludeKeywords',
+			'src',
+			'userListId',
+			'users',
+			'caseSensitive',
+			'notify',
+			'withReplies',
+			'withFile',
+			'isActive',
+			'hasUnreadNote',
+		],
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/app.ts b/packages/misskey-js/src/schema/app.ts
new file mode 100644
index 000000000..c80dc81c3
--- /dev/null
+++ b/packages/misskey-js/src/schema/app.ts
@@ -0,0 +1,33 @@
+export const packedAppSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+		name: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+		callbackUrl: {
+			type: 'string',
+			optional: false, nullable: true,
+		},
+		permission: {
+			type: 'array',
+			optional: false, nullable: false,
+			items: {
+				type: 'string',
+				optional: false, nullable: false,
+			},
+		},
+		secret: {
+			type: 'string',
+			optional: true, nullable: false,
+		},
+		isAuthorized: {
+			type: 'boolean',
+			optional: true, nullable: false,
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/blocking.ts b/packages/misskey-js/src/schema/blocking.ts
new file mode 100644
index 000000000..553232242
--- /dev/null
+++ b/packages/misskey-js/src/schema/blocking.ts
@@ -0,0 +1,26 @@
+export const packedBlockingSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		createdAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		blockeeId: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+		},
+		blockee: {
+			type: 'object',
+			optional: false, nullable: false,
+			ref: 'UserDetailed',
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/channel.ts b/packages/misskey-js/src/schema/channel.ts
new file mode 100644
index 000000000..cb42c782b
--- /dev/null
+++ b/packages/misskey-js/src/schema/channel.ts
@@ -0,0 +1,67 @@
+export const packedChannelSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		createdAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		lastNotedAt: {
+			type: 'string',
+			optional: false, nullable: true,
+			format: 'date-time',
+		},
+		name: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+		description: {
+			type: 'string',
+			nullable: true, optional: false,
+		},
+		bannerUrl: {
+			type: 'string',
+			format: 'url',
+			nullable: true, optional: false,
+		},
+		notesCount: {
+			type: 'number',
+			nullable: false, optional: false,
+		},
+		usersCount: {
+			type: 'number',
+			nullable: false, optional: false,
+		},
+		isFollowing: {
+			type: 'boolean',
+			optional: true, nullable: false,
+		},
+		isFavorited: {
+			type: 'boolean',
+			optional: true, nullable: false,
+		},
+		userId: {
+			type: 'string',
+			nullable: true, optional: false,
+			format: 'id',
+		},
+		pinnedNoteIds: {
+			type: 'array',
+			nullable: false, optional: false,
+			items: {
+				type: 'string',
+				format: 'id',
+			},
+		},
+		color: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/clip.ts b/packages/misskey-js/src/schema/clip.ts
new file mode 100644
index 000000000..7310e5901
--- /dev/null
+++ b/packages/misskey-js/src/schema/clip.ts
@@ -0,0 +1,51 @@
+export const packedClipSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		createdAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		lastClippedAt: {
+			type: 'string',
+			optional: false, nullable: true,
+			format: 'date-time',
+		},
+		userId: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+		},
+		user: {
+			type: 'object',
+			ref: 'UserLite',
+			optional: false, nullable: false,
+		},
+		name: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+		description: {
+			type: 'string',
+			optional: false, nullable: true,
+		},
+		isPublic: {
+			type: 'boolean',
+			optional: false, nullable: false,
+		},
+		isFavorited: {
+			type: 'boolean',
+			optional: true, nullable: false,
+		},
+		favoritedCount: {
+			type: 'number',
+			optional: false, nullable: false,
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/drive-file.ts b/packages/misskey-js/src/schema/drive-file.ts
new file mode 100644
index 000000000..435907661
--- /dev/null
+++ b/packages/misskey-js/src/schema/drive-file.ts
@@ -0,0 +1,107 @@
+export const packedDriveFileSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		createdAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		name: {
+			type: 'string',
+			optional: false, nullable: false,
+			example: 'lenna.jpg',
+		},
+		type: {
+			type: 'string',
+			optional: false, nullable: false,
+			example: 'image/jpeg',
+		},
+		md5: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'md5',
+			example: '15eca7fba0480996e2245f5185bf39f2',
+		},
+		size: {
+			type: 'number',
+			optional: false, nullable: false,
+			example: 51469,
+		},
+		isSensitive: {
+			type: 'boolean',
+			optional: false, nullable: false,
+		},
+		blurhash: {
+			type: 'string',
+			optional: false, nullable: true,
+		},
+		properties: {
+			type: 'object',
+			optional: false, nullable: false,
+			properties: {
+				width: {
+					type: 'number',
+					optional: true, nullable: false,
+					example: 1280,
+				},
+				height: {
+					type: 'number',
+					optional: true, nullable: false,
+					example: 720,
+				},
+				orientation: {
+					type: 'number',
+					optional: true, nullable: false,
+					example: 8,
+				},
+				avgColor: {
+					type: 'string',
+					optional: true, nullable: false,
+					example: 'rgb(40,65,87)',
+				},
+			},
+		},
+		url: {
+			type: 'string',
+			optional: false, nullable: true,
+			format: 'url',
+		},
+		thumbnailUrl: {
+			type: 'string',
+			optional: false, nullable: true,
+			format: 'url',
+		},
+		comment: {
+			type: 'string',
+			optional: false, nullable: true,
+		},
+		folderId: {
+			type: 'string',
+			optional: false, nullable: true,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		folder: {
+			type: 'object',
+			optional: true, nullable: true,
+			ref: 'DriveFolder',
+		},
+		userId: {
+			type: 'string',
+			optional: false, nullable: true,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		user: {
+			type: 'object',
+			optional: true, nullable: true,
+			ref: 'UserLite',
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/drive-folder.ts b/packages/misskey-js/src/schema/drive-folder.ts
new file mode 100644
index 000000000..88cb8ab4a
--- /dev/null
+++ b/packages/misskey-js/src/schema/drive-folder.ts
@@ -0,0 +1,39 @@
+export const packedDriveFolderSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		createdAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		name: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+		foldersCount: {
+			type: 'number',
+			optional: true, nullable: false,
+		},
+		filesCount: {
+			type: 'number',
+			optional: true, nullable: false,
+		},
+		parentId: {
+			type: 'string',
+			optional: false, nullable: true,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		parent: {
+			type: 'object',
+			optional: true, nullable: true,
+			ref: 'DriveFolder',
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/emoji.ts b/packages/misskey-js/src/schema/emoji.ts
new file mode 100644
index 000000000..db4fd62cf
--- /dev/null
+++ b/packages/misskey-js/src/schema/emoji.ts
@@ -0,0 +1,67 @@
+export const packedEmojiSimpleSchema = {
+	type: 'object',
+	properties: {
+		aliases: {
+			type: 'array',
+			optional: false, nullable: false,
+			items: {
+				type: 'string',
+				optional: false, nullable: false,
+				format: 'id',
+			},
+		},
+		name: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+		category: {
+			type: 'string',
+			optional: false, nullable: true,
+		},
+		url: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+	},
+} as const;
+
+export const packedEmojiDetailedSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+		},
+		aliases: {
+			type: 'array',
+			optional: false, nullable: false,
+			items: {
+				type: 'string',
+				optional: false, nullable: false,
+				format: 'id',
+			},
+		},
+		name: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+		category: {
+			type: 'string',
+			optional: false, nullable: true,
+		},
+		host: {
+			type: 'string',
+			optional: false, nullable: true,
+			description: 'The local host is represented with `null`.',
+		},
+		url: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+		license: {
+			type: 'string',
+			optional: false, nullable: true,
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/federation-instance.ts b/packages/misskey-js/src/schema/federation-instance.ts
new file mode 100644
index 000000000..42d93dfac
--- /dev/null
+++ b/packages/misskey-js/src/schema/federation-instance.ts
@@ -0,0 +1,97 @@
+export const packedFederationInstanceSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+		},
+		firstRetrievedAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		host: {
+			type: 'string',
+			optional: false, nullable: false,
+			example: 'misskey.example.com',
+		},
+		usersCount: {
+			type: 'number',
+			optional: false, nullable: false,
+		},
+		notesCount: {
+			type: 'number',
+			optional: false, nullable: false,
+		},
+		followingCount: {
+			type: 'number',
+			optional: false, nullable: false,
+		},
+		followersCount: {
+			type: 'number',
+			optional: false, nullable: false,
+		},
+		isNotResponding: {
+			type: 'boolean',
+			optional: false, nullable: false,
+		},
+		isSuspended: {
+			type: 'boolean',
+			optional: false, nullable: false,
+		},
+		isBlocked: {
+			type: 'boolean',
+			optional: false, nullable: false,
+		},
+		softwareName: {
+			type: 'string',
+			optional: false, nullable: true,
+			example: 'misskey',
+		},
+		softwareVersion: {
+			type: 'string',
+			optional: false, nullable: true,
+		},
+		openRegistrations: {
+			type: 'boolean',
+			optional: false, nullable: true,
+			example: true,
+		},
+		name: {
+			type: 'string',
+			optional: false, nullable: true,
+		},
+		description: {
+			type: 'string',
+			optional: false, nullable: true,
+		},
+		maintainerName: {
+			type: 'string',
+			optional: false, nullable: true,
+		},
+		maintainerEmail: {
+			type: 'string',
+			optional: false, nullable: true,
+		},
+		iconUrl: {
+			type: 'string',
+			optional: false, nullable: true,
+			format: 'url',
+		},
+		faviconUrl: {
+			type: 'string',
+			optional: false, nullable: true,
+			format: 'url',
+		},
+		themeColor: {
+			type: 'string',
+			optional: false, nullable: true,
+		},
+		infoUpdatedAt: {
+			type: 'string',
+			optional: false, nullable: true,
+			format: 'date-time',
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/flash.ts b/packages/misskey-js/src/schema/flash.ts
new file mode 100644
index 000000000..8471a138e
--- /dev/null
+++ b/packages/misskey-js/src/schema/flash.ts
@@ -0,0 +1,51 @@
+export const packedFlashSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		createdAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		updatedAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		title: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+		summary: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+		script: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+		userId: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+		},
+		user: {
+			type: 'object',
+			ref: 'UserLite',
+			optional: false, nullable: false,
+		},
+		likedCount: {
+			type: 'number',
+			optional: false, nullable: true,
+		},
+		isLiked: {
+			type: 'boolean',
+			optional: true, nullable: false,
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/following.ts b/packages/misskey-js/src/schema/following.ts
new file mode 100644
index 000000000..2bcffbfc4
--- /dev/null
+++ b/packages/misskey-js/src/schema/following.ts
@@ -0,0 +1,36 @@
+export const packedFollowingSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		createdAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		followeeId: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+		},
+		followee: {
+			type: 'object',
+			optional: true, nullable: false,
+			ref: 'UserDetailed',
+		},
+		followerId: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+		},
+		follower: {
+			type: 'object',
+			optional: true, nullable: false,
+			ref: 'UserDetailed',
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/gallery-post.ts b/packages/misskey-js/src/schema/gallery-post.ts
new file mode 100644
index 000000000..fc503d4a6
--- /dev/null
+++ b/packages/misskey-js/src/schema/gallery-post.ts
@@ -0,0 +1,69 @@
+export const packedGalleryPostSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		createdAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		updatedAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		title: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+		description: {
+			type: 'string',
+			optional: false, nullable: true,
+		},
+		userId: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+		},
+		user: {
+			type: 'object',
+			ref: 'UserLite',
+			optional: false, nullable: false,
+		},
+		fileIds: {
+			type: 'array',
+			optional: true, nullable: false,
+			items: {
+				type: 'string',
+				optional: false, nullable: false,
+				format: 'id',
+			},
+		},
+		files: {
+			type: 'array',
+			optional: true, nullable: false,
+			items: {
+				type: 'object',
+				optional: false, nullable: false,
+				ref: 'DriveFile',
+			},
+		},
+		tags: {
+			type: 'array',
+			optional: true, nullable: false,
+			items: {
+				type: 'string',
+				optional: false, nullable: false,
+			},
+		},
+		isSensitive: {
+			type: 'boolean',
+			optional: false, nullable: false,
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/hashtag.ts b/packages/misskey-js/src/schema/hashtag.ts
new file mode 100644
index 000000000..98f882764
--- /dev/null
+++ b/packages/misskey-js/src/schema/hashtag.ts
@@ -0,0 +1,34 @@
+export const packedHashtagSchema = {
+	type: 'object',
+	properties: {
+		tag: {
+			type: 'string',
+			optional: false, nullable: false,
+			example: 'misskey',
+		},
+		mentionedUsersCount: {
+			type: 'number',
+			optional: false, nullable: false,
+		},
+		mentionedLocalUsersCount: {
+			type: 'number',
+			optional: false, nullable: false,
+		},
+		mentionedRemoteUsersCount: {
+			type: 'number',
+			optional: false, nullable: false,
+		},
+		attachedUsersCount: {
+			type: 'number',
+			optional: false, nullable: false,
+		},
+		attachedLocalUsersCount: {
+			type: 'number',
+			optional: false, nullable: false,
+		},
+		attachedRemoteUsersCount: {
+			type: 'number',
+			optional: false, nullable: false,
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/muting.ts b/packages/misskey-js/src/schema/muting.ts
new file mode 100644
index 000000000..3ab99e17e
--- /dev/null
+++ b/packages/misskey-js/src/schema/muting.ts
@@ -0,0 +1,31 @@
+export const packedMutingSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		createdAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		expiresAt: {
+			type: 'string',
+			optional: false, nullable: true,
+			format: 'date-time',
+		},
+		muteeId: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+		},
+		mutee: {
+			type: 'object',
+			optional: false, nullable: false,
+			ref: 'UserDetailed',
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/note-favorite.ts b/packages/misskey-js/src/schema/note-favorite.ts
new file mode 100644
index 000000000..d133f7367
--- /dev/null
+++ b/packages/misskey-js/src/schema/note-favorite.ts
@@ -0,0 +1,26 @@
+export const packedNoteFavoriteSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		createdAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		note: {
+			type: 'object',
+			optional: false, nullable: false,
+			ref: 'Note',
+		},
+		noteId: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/note-reaction.ts b/packages/misskey-js/src/schema/note-reaction.ts
new file mode 100644
index 000000000..0d8fc5449
--- /dev/null
+++ b/packages/misskey-js/src/schema/note-reaction.ts
@@ -0,0 +1,25 @@
+export const packedNoteReactionSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		createdAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		user: {
+			type: 'object',
+			optional: false, nullable: false,
+			ref: 'UserLite',
+		},
+		type: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/note.ts b/packages/misskey-js/src/schema/note.ts
new file mode 100644
index 000000000..58ef425dc
--- /dev/null
+++ b/packages/misskey-js/src/schema/note.ts
@@ -0,0 +1,174 @@
+export const packedNoteSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		createdAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		deletedAt: {
+			type: 'string',
+			optional: true, nullable: true,
+			format: 'date-time',
+		},
+		text: {
+			type: 'string',
+			optional: false, nullable: true,
+		},
+		cw: {
+			type: 'string',
+			optional: true, nullable: true,
+		},
+		userId: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+		},
+		user: {
+			type: 'object',
+			ref: 'UserLite',
+			optional: false, nullable: false,
+		},
+		replyId: {
+			type: 'string',
+			optional: true, nullable: true,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		renoteId: {
+			type: 'string',
+			optional: true, nullable: true,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		reply: {
+			type: 'object',
+			optional: true, nullable: true,
+			ref: 'Note',
+		},
+		renote: {
+			type: 'object',
+			optional: true, nullable: true,
+			ref: 'Note',
+		},
+		isHidden: {
+			type: 'boolean',
+			optional: true, nullable: false,
+		},
+		visibility: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+		mentions: {
+			type: 'array',
+			optional: true, nullable: false,
+			items: {
+				type: 'string',
+				optional: false, nullable: false,
+				format: 'id',
+			},
+		},
+		visibleUserIds: {
+			type: 'array',
+			optional: true, nullable: false,
+			items: {
+				type: 'string',
+				optional: false, nullable: false,
+				format: 'id',
+			},
+		},
+		fileIds: {
+			type: 'array',
+			optional: true, nullable: false,
+			items: {
+				type: 'string',
+				optional: false, nullable: false,
+				format: 'id',
+			},
+		},
+		files: {
+			type: 'array',
+			optional: true, nullable: false,
+			items: {
+				type: 'object',
+				optional: false, nullable: false,
+				ref: 'DriveFile',
+			},
+		},
+		tags: {
+			type: 'array',
+			optional: true, nullable: false,
+			items: {
+				type: 'string',
+				optional: false, nullable: false,
+			},
+		},
+		poll: {
+			type: 'object',
+			optional: true, nullable: true,
+		},
+		channelId: {
+			type: 'string',
+			optional: true, nullable: true,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		channel: {
+			type: 'object',
+			optional: true, nullable: true,
+			items: {
+				type: 'object',
+				optional: false, nullable: false,
+				properties: {
+					id: {
+						type: 'string',
+						optional: false, nullable: false,
+					},
+					name: {
+						type: 'string',
+						optional: false, nullable: true,
+					},
+				},
+			},
+		},
+		localOnly: {
+			type: 'boolean',
+			optional: true, nullable: false,
+		},
+		reactionAcceptance: {
+			type: 'string',
+			optional: false, nullable: true,
+		},
+		reactions: {
+			type: 'object',
+			optional: false, nullable: false,
+		},
+		renoteCount: {
+			type: 'number',
+			optional: false, nullable: false,
+		},
+		repliesCount: {
+			type: 'number',
+			optional: false, nullable: false,
+		},
+		uri: {
+			type: 'string',
+			optional: true, nullable: false,
+		},
+		url: {
+			type: 'string',
+			optional: true, nullable: false,
+		},
+
+		myReaction: {
+			type: 'object',
+			optional: true, nullable: true,
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/notification.ts b/packages/misskey-js/src/schema/notification.ts
new file mode 100644
index 000000000..e88ca61ba
--- /dev/null
+++ b/packages/misskey-js/src/schema/notification.ts
@@ -0,0 +1,62 @@
+import { notificationTypes } from '@/types.js';
+
+export const packedNotificationSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		createdAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		type: {
+			type: 'string',
+			optional: false, nullable: false,
+			enum: [...notificationTypes],
+		},
+		user: {
+			type: 'object',
+			ref: 'UserLite',
+			optional: true, nullable: true,
+		},
+		userId: {
+			type: 'string',
+			optional: true, nullable: true,
+			format: 'id',
+		},
+		note: {
+			type: 'object',
+			ref: 'Note',
+			optional: true, nullable: true,
+		},
+		reaction: {
+			type: 'string',
+			optional: true, nullable: true,
+		},
+		choice: {
+			type: 'number',
+			optional: true, nullable: true,
+		},
+		invitation: {
+			type: 'object',
+			optional: true, nullable: true,
+		},
+		body: {
+			type: 'string',
+			optional: true, nullable: true,
+		},
+		header: {
+			type: 'string',
+			optional: true, nullable: true,
+		},
+		icon: {
+			type: 'string',
+			optional: true, nullable: true,
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/page.ts b/packages/misskey-js/src/schema/page.ts
new file mode 100644
index 000000000..55ba3ce7f
--- /dev/null
+++ b/packages/misskey-js/src/schema/page.ts
@@ -0,0 +1,51 @@
+export const packedPageSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		createdAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		updatedAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		title: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+		name: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+		summary: {
+			type: 'string',
+			optional: false, nullable: true,
+		},
+		content: {
+			type: 'array',
+			optional: false, nullable: false,
+		},
+		variables: {
+			type: 'array',
+			optional: false, nullable: false,
+		},
+		userId: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+		},
+		user: {
+			type: 'object',
+			ref: 'UserLite',
+			optional: false, nullable: false,
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/queue.ts b/packages/misskey-js/src/schema/queue.ts
new file mode 100644
index 000000000..7ceeda26a
--- /dev/null
+++ b/packages/misskey-js/src/schema/queue.ts
@@ -0,0 +1,25 @@
+export const packedQueueCountSchema = {
+	type: 'object',
+	properties: {
+		waiting: {
+			type: 'number',
+			optional: false, nullable: false,
+		},
+		active: {
+			type: 'number',
+			optional: false, nullable: false,
+		},
+		completed: {
+			type: 'number',
+			optional: false, nullable: false,
+		},
+		failed: {
+			type: 'number',
+			optional: false, nullable: false,
+		},
+		delayed: {
+			type: 'number',
+			optional: false, nullable: false,
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/renote-muting.ts b/packages/misskey-js/src/schema/renote-muting.ts
new file mode 100644
index 000000000..69ed8510d
--- /dev/null
+++ b/packages/misskey-js/src/schema/renote-muting.ts
@@ -0,0 +1,26 @@
+export const packedRenoteMutingSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		createdAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		muteeId: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+		},
+		mutee: {
+			type: 'object',
+			optional: false, nullable: false,
+			ref: 'UserDetailed',
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/user-list.ts b/packages/misskey-js/src/schema/user-list.ts
new file mode 100644
index 000000000..3ba5dc4a8
--- /dev/null
+++ b/packages/misskey-js/src/schema/user-list.ts
@@ -0,0 +1,29 @@
+export const packedUserListSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		createdAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		name: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+		userIds: {
+			type: 'array',
+			nullable: false, optional: true,
+			items: {
+				type: 'string',
+				nullable: false, optional: false,
+				format: 'id',
+			},
+		},
+	},
+} as const;
diff --git a/packages/misskey-js/src/schema/user.ts b/packages/misskey-js/src/schema/user.ts
new file mode 100644
index 000000000..fac95a9a5
--- /dev/null
+++ b/packages/misskey-js/src/schema/user.ts
@@ -0,0 +1,463 @@
+export const packedUserLiteSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			nullable: false, optional: false,
+			format: 'id',
+			example: 'xxxxxxxxxx',
+		},
+		name: {
+			type: 'string',
+			nullable: true, optional: false,
+			example: '藍',
+		},
+		username: {
+			type: 'string',
+			nullable: false, optional: false,
+			example: 'ai',
+		},
+		host: {
+			type: 'string',
+			nullable: true, optional: false,
+			example: 'misskey.example.com',
+			description: 'The local host is represented with `null`.',
+		},
+		avatarUrl: {
+			type: 'string',
+			format: 'url',
+			nullable: true, optional: false,
+		},
+		avatarBlurhash: {
+			type: 'string',
+			nullable: true, optional: false,
+		},
+		isAdmin: {
+			type: 'boolean',
+			nullable: false, optional: true,
+			default: false,
+		},
+		isModerator: {
+			type: 'boolean',
+			nullable: false, optional: true,
+			default: false,
+		},
+		isBot: {
+			type: 'boolean',
+			nullable: false, optional: true,
+		},
+		isCat: {
+			type: 'boolean',
+			nullable: false, optional: true,
+		},
+		onlineStatus: {
+			type: 'string',
+			format: 'url',
+			nullable: true, optional: false,
+			enum: ['unknown', 'online', 'active', 'offline'],
+		},
+	},
+} as const;
+
+export const packedUserDetailedNotMeOnlySchema = {
+	type: 'object',
+	properties: {
+		url: {
+			type: 'string',
+			format: 'url',
+			nullable: true, optional: false,
+		},
+		uri: {
+			type: 'string',
+			format: 'uri',
+			nullable: true, optional: false,
+		},
+		movedToUri: {
+			type: 'string',
+			format: 'uri',
+			nullable: true,
+			optional: false,
+		},
+		alsoKnownAs: {
+			type: 'array',
+			nullable: true,
+			optional: false,
+			items: {
+				type: 'string',
+				format: 'id',
+				nullable: false,
+				optional: false,
+			},
+		},
+		createdAt: {
+			type: 'string',
+			nullable: false, optional: false,
+			format: 'date-time',
+		},
+		updatedAt: {
+			type: 'string',
+			nullable: true, optional: false,
+			format: 'date-time',
+		},
+		lastFetchedAt: {
+			type: 'string',
+			nullable: true, optional: false,
+			format: 'date-time',
+		},
+		bannerUrl: {
+			type: 'string',
+			format: 'url',
+			nullable: true, optional: false,
+		},
+		bannerBlurhash: {
+			type: 'string',
+			nullable: true, optional: false,
+		},
+		isLocked: {
+			type: 'boolean',
+			nullable: false, optional: false,
+		},
+		isSilenced: {
+			type: 'boolean',
+			nullable: false, optional: false,
+		},
+		isSuspended: {
+			type: 'boolean',
+			nullable: false, optional: false,
+			example: false,
+		},
+		description: {
+			type: 'string',
+			nullable: true, optional: false,
+			example: 'Hi masters, I am Ai!',
+		},
+		location: {
+			type: 'string',
+			nullable: true, optional: false,
+		},
+		birthday: {
+			type: 'string',
+			nullable: true, optional: false,
+			example: '2018-03-12',
+		},
+		lang: {
+			type: 'string',
+			nullable: true, optional: false,
+			example: 'ja-JP',
+		},
+		fields: {
+			type: 'array',
+			nullable: false, optional: false,
+			items: {
+				type: 'object',
+				nullable: false, optional: false,
+				properties: {
+					name: {
+						type: 'string',
+						nullable: false, optional: false,
+					},
+					value: {
+						type: 'string',
+						nullable: false, optional: false,
+					},
+				},
+				maxLength: 4,
+			},
+		},
+		followersCount: {
+			type: 'number',
+			nullable: false, optional: false,
+		},
+		followingCount: {
+			type: 'number',
+			nullable: false, optional: false,
+		},
+		notesCount: {
+			type: 'number',
+			nullable: false, optional: false,
+		},
+		pinnedNoteIds: {
+			type: 'array',
+			nullable: false, optional: false,
+			items: {
+				type: 'string',
+				nullable: false, optional: false,
+				format: 'id',
+			},
+		},
+		pinnedNotes: {
+			type: 'array',
+			nullable: false, optional: false,
+			items: {
+				type: 'object',
+				nullable: false, optional: false,
+				ref: 'Note',
+			},
+		},
+		pinnedPageId: {
+			type: 'string',
+			nullable: true, optional: false,
+		},
+		pinnedPage: {
+			type: 'object',
+			nullable: true, optional: false,
+			ref: 'Page',
+		},
+		publicReactions: {
+			type: 'boolean',
+			nullable: false, optional: false,
+		},
+		twoFactorEnabled: {
+			type: 'boolean',
+			nullable: false, optional: false,
+			default: false,
+		},
+		usePasswordLessLogin: {
+			type: 'boolean',
+			nullable: false, optional: false,
+			default: false,
+		},
+		securityKeys: {
+			type: 'boolean',
+			nullable: false, optional: false,
+			default: false,
+		},
+		//#region relations
+		isFollowing: {
+			type: 'boolean',
+			nullable: false, optional: true,
+		},
+		isFollowed: {
+			type: 'boolean',
+			nullable: false, optional: true,
+		},
+		hasPendingFollowRequestFromYou: {
+			type: 'boolean',
+			nullable: false, optional: true,
+		},
+		hasPendingFollowRequestToYou: {
+			type: 'boolean',
+			nullable: false, optional: true,
+		},
+		isBlocking: {
+			type: 'boolean',
+			nullable: false, optional: true,
+		},
+		isBlocked: {
+			type: 'boolean',
+			nullable: false, optional: true,
+		},
+		isMuted: {
+			type: 'boolean',
+			nullable: false, optional: true,
+		},
+		isRenoteMuted: {
+			type: 'boolean',
+			nullable: false, optional: true,
+		},
+		memo: {
+			type: 'string',
+			nullable: false, optional: true,
+		},
+		//#endregion
+	},
+} as const;
+
+export const packedMeDetailedOnlySchema = {
+	type: 'object',
+	properties: {
+		avatarId: {
+			type: 'string',
+			nullable: true, optional: false,
+			format: 'id',
+		},
+		bannerId: {
+			type: 'string',
+			nullable: true, optional: false,
+			format: 'id',
+		},
+		injectFeaturedNote: {
+			type: 'boolean',
+			nullable: true, optional: false,
+		},
+		receiveAnnouncementEmail: {
+			type: 'boolean',
+			nullable: true, optional: false,
+		},
+		alwaysMarkNsfw: {
+			type: 'boolean',
+			nullable: true, optional: false,
+		},
+		autoSensitive: {
+			type: 'boolean',
+			nullable: true, optional: false,
+		},
+		carefulBot: {
+			type: 'boolean',
+			nullable: true, optional: false,
+		},
+		autoAcceptFollowed: {
+			type: 'boolean',
+			nullable: true, optional: false,
+		},
+		noCrawle: {
+			type: 'boolean',
+			nullable: true, optional: false,
+		},
+		isExplorable: {
+			type: 'boolean',
+			nullable: false, optional: false,
+		},
+		isDeleted: {
+			type: 'boolean',
+			nullable: false, optional: false,
+		},
+		hideOnlineStatus: {
+			type: 'boolean',
+			nullable: false, optional: false,
+		},
+		hasUnreadSpecifiedNotes: {
+			type: 'boolean',
+			nullable: false, optional: false,
+		},
+		hasUnreadMentions: {
+			type: 'boolean',
+			nullable: false, optional: false,
+		},
+		hasUnreadAnnouncement: {
+			type: 'boolean',
+			nullable: false, optional: false,
+		},
+		hasUnreadAntenna: {
+			type: 'boolean',
+			nullable: false, optional: false,
+		},
+		hasUnreadNotification: {
+			type: 'boolean',
+			nullable: false, optional: false,
+		},
+		hasPendingReceivedFollowRequest: {
+			type: 'boolean',
+			nullable: false, optional: false,
+		},
+		mutedWords: {
+			type: 'array',
+			nullable: false, optional: false,
+			items: {
+				type: 'array',
+				nullable: false, optional: false,
+				items: {
+					type: 'string',
+					nullable: false, optional: false,
+				},
+			},
+		},
+		mutedInstances: {
+			type: 'array',
+			nullable: true, optional: false,
+			items: {
+				type: 'string',
+				nullable: false, optional: false,
+			},
+		},
+		mutingNotificationTypes: {
+			type: 'array',
+			nullable: true, optional: false,
+			items: {
+				type: 'string',
+				nullable: false, optional: false,
+			},
+		},
+		emailNotificationTypes: {
+			type: 'array',
+			nullable: true, optional: false,
+			items: {
+				type: 'string',
+				nullable: false, optional: false,
+			},
+		},
+		//#region secrets
+		email: {
+			type: 'string',
+			nullable: true, optional: true,
+		},
+		emailVerified: {
+			type: 'boolean',
+			nullable: true, optional: true,
+		},
+		securityKeysList: {
+			type: 'array',
+			nullable: false, optional: true,
+			items: {
+				type: 'object',
+				nullable: false, optional: false,
+			},
+		},
+		//#endregion
+	},
+} as const;
+
+export const packedUserDetailedNotMeSchema = {
+	type: 'object',
+	allOf: [
+		{
+			type: 'object',
+			ref: 'UserLite',
+		},
+		{
+			type: 'object',
+			ref: 'UserDetailedNotMeOnly',
+		},
+	],
+} as const;
+
+export const packedMeDetailedSchema = {
+	type: 'object',
+	allOf: [
+		{
+			type: 'object',
+			ref: 'UserLite',
+		},
+		{
+			type: 'object',
+			ref: 'UserDetailedNotMeOnly',
+		},
+		{
+			type: 'object',
+			ref: 'MeDetailedOnly',
+		},
+	],
+} as const;
+
+export const packedUserDetailedSchema = {
+	oneOf: [
+		{
+			type: 'object',
+			ref: 'UserDetailedNotMe',
+		},
+		{
+			type: 'object',
+			ref: 'MeDetailed',
+		},
+	],
+} as const;
+
+export const packedUserSchema = {
+	oneOf: [
+		{
+			type: 'object',
+			ref: 'UserLite',
+		},
+		{
+			type: 'object',
+			ref: 'UserDetailed',
+		},
+	],
+} as const;
+
+export const localUsernameSchema = { type: 'string', pattern: /^\w{1,20}$/.toString().slice(1, -1) } as const;
+export const passwordSchema = { type: 'string', minLength: 1 } as const;
+export const nameSchema = { type: 'string', minLength: 1, maxLength: 50 } as const;
+export const descriptionSchema = { type: 'string', minLength: 1, maxLength: 1500 } as const;
+export const locationSchema = { type: 'string', minLength: 1, maxLength: 50 } as const;
+export const birthdaySchema = { type: 'string', pattern: /^([0-9]{4})-([0-9]{2})-([0-9]{2})$/.toString().slice(1, -1) } as const;