diff --git a/lib/notify.js b/lib/notify.js
new file mode 100644
index 0000000..cbeb678
--- /dev/null
+++ b/lib/notify.js
@@ -0,0 +1,21 @@
+/**
+ * Send a push notification via ntfy.
+ */
+export async function notify(message, title = 'Kalbot', priority = 'default', tags = 'robot') {
+  const url = process.env.NTFY_URL;
+  if (!url) return;
+
+  try {
+    await fetch(url, {
+      method: 'POST',
+      body: message,
+      headers: {
+        'Title': title,
+        'Priority': priority,
+        'Tags': tags
+      }
+    });
+  } catch (e) {
+    console.error('[Notify] Error:', e.message);
+  }
+}