diff --git a/packages/types/package.json b/packages/types/package.json
new file mode 100644
index 0000000..b52f7dd
--- /dev/null
+++ b/packages/types/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "@tower/types",
+  "version": "0.0.1",
+  "main": "./dist/index.js",
+  "types": "./dist/index.d.ts",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "default": "./dist/index.js"
+    }
+  },
+  "scripts": {
+    "build": "tsc",
+    "dev": "tsc --watch"
+  },
+  "devDependencies": {
+    "typescript": "^5.7.0"
+  }
+}
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
new file mode 100644
index 0000000..f545587
--- /dev/null
+++ b/packages/types/src/index.ts
@@ -0,0 +1 @@
+export * from './message';
diff --git a/packages/types/src/message.ts b/packages/types/src/message.ts
new file mode 100644
index 0000000..af2ad21
--- /dev/null
+++ b/packages/types/src/message.ts
@@ -0,0 +1,40 @@
+export type Platform = 'whatsapp' | 'telegram' | 'discord';
+
+export type MessageStatus =
+  | 'PENDING'
+  | 'APPROVED'
+  | 'REJECTED'
+  | 'DISTRIBUTED'
+  | 'ARCHIVED';
+
+export type ApprovalDecision = 'APPROVED' | 'REJECTED';
+
+export interface CanonicalMessage {
+  messageId: string;
+  platform: Platform;
+  platformMsgId: string;
+  sourceGroupId: string;
+  senderJid: string;
+  senderName?: string;
+  content: string;
+  mediaUrl?: string;
+  tags: string[];
+  status: MessageStatus;
+  createdAt: Date;
+}
+
+export interface Group {
+  id: string;
+  platform: Platform;
+  platformId: string;
+  name: string;
+  description?: string;
+  isActive: boolean;
+}
+
+export interface SyncRoute {
+  id: string;
+  sourceGroupId: string;
+  targetGroupId: string;
+  isActive: boolean;
+}
diff --git a/packages/types/tsconfig.json b/packages/types/tsconfig.json
new file mode 100644
index 0000000..792172f
--- /dev/null
+++ b/packages/types/tsconfig.json
@@ -0,0 +1,8 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "outDir": "./dist",
+    "rootDir": "./src"
+  },
+  "include": ["src"]
+}