diff --git a/ex_app/lib/all_tools/calendar.py b/ex_app/lib/all_tools/calendar.py
index 4412bdd..6ecb1ec 100644
--- a/ex_app/lib/all_tools/calendar.py
+++ b/ex_app/lib/all_tools/calendar.py
@@ -70,6 +70,7 @@ def schedule_event(calendar_name: str, title: str, description: str, start_date:
 			start_datetime = tz.localize(start_datetime)
 			end_datetime = tz.localize(end_datetime)
 
+		description_with_ai_note = f"{description}\n\n---\n\nThis event was scheduled by Nextcloud AI Assistant."
 
 		# Create event
 		c = Calendar()
@@ -77,7 +78,7 @@ def schedule_event(calendar_name: str, title: str, description: str, start_date:
 		e.name = title
 		e.begin = start_datetime
 		e.end = end_datetime
-		e.description = description
+		e.description = description_with_ai_note
 		e.location = location
 		if attendees is not None:
 			for attendee in attendees:
@@ -200,11 +201,13 @@ def add_task(calendar_name: str, title: str, description: str, due_date: Optiona
 		:return: bool
 		"""
 
+		description_with_ai_note = f"{description}\n\n---\n\nThis task was scheduled by Nextcloud AI Assistant."
+
 		# Create task
 		c = Calendar()
 		t = Todo()
 		t.name = title
-		t.description = description
+		t.description = description_with_ai_note
 
 		# Parse date and times
 		if due_date:
diff --git a/ex_app/lib/all_tools/deck.py b/ex_app/lib/all_tools/deck.py
index 7a6e735..4c26b91 100644
--- a/ex_app/lib/all_tools/deck.py
+++ b/ex_app/lib/all_tools/deck.py
@@ -50,6 +50,7 @@ def add_card(deck_id: int, stack_id: int, title: str):
 			"Content-Type": "application/json",
 		}, json={
 					'title': title,
+					'description': 'Created by Nextcloud AI Assistant.',
 					'type': 'plain',
 					'order': 999,
 				})
diff --git a/ex_app/lib/all_tools/mail.py b/ex_app/lib/all_tools/mail.py
index aa81ace..38a99a2 100644
--- a/ex_app/lib/all_tools/mail.py
+++ b/ex_app/lib/all_tools/mail.py
@@ -23,13 +23,14 @@ def send_email(subject: str, body: str, account_id: int, from_email: str, to_ema
 		:param to_emails: The emails to send
 		"""
 		i = 0
+		body_with_ai_note = f"{body}\n\n---\n\nThis email was sent by Nextcloud AI Assistant."
 		while i < 20:
 			try:
 				return nc.ocs('POST', '/ocs/v2.php/apps/mail/message/send', json={
 					'accountId': account_id,
 					'fromEmail': from_email,
 					'subject': subject,
-					'body': body,
+					'body': body_with_ai_note,
 					'isHtml': False,
 					'to': [{'label': '', 'email': email} for email in to_emails],
 				})
diff --git a/ex_app/lib/all_tools/openproject.py b/ex_app/lib/all_tools/openproject.py
index 6efada6..18818c2 100644
--- a/ex_app/lib/all_tools/openproject.py
+++ b/ex_app/lib/all_tools/openproject.py
@@ -40,7 +40,9 @@ def create_work_package(project_id: int, title: str, description: Optional[str],
 		:param description: The description of the work package
 		:param assignee_id: The ID of the user the work package should be assigned to, obtainable via list_assignees
 		:return: 
-		""" 
+		"""
+
+		descrption_with_ai_note = f"{description}\n\nThis work package was created by Nextcloud AI Assistant."
 
 		links = {
 							"project": {
@@ -69,10 +71,10 @@ def create_work_package(project_id: int, title: str, description: Optional[str],
 
 		if description:
 			json["body"]["description"] = {
-                        "format": "markdown",
-                        "html": "",
-                        "raw": description,
-                    }
+				"format": "markdown",
+				"html": "",
+				"raw": descrption_with_ai_note,
+			}
 		
 		response = nc.ocs('POST', '/ocs/v2.php/apps/integration_openproject/api/v1/create/work-packages', json=json)
 
diff --git a/ex_app/lib/all_tools/talk.py b/ex_app/lib/all_tools/talk.py
index 5c89551..814f941 100644
--- a/ex_app/lib/all_tools/talk.py
+++ b/ex_app/lib/all_tools/talk.py
@@ -43,7 +43,8 @@ def send_message_to_conversation(conversation_name: str, message: str):
 		"""
 		conversations = nc.talk.get_user_conversations()
 		conversation = {conv.display_name: conv for conv in conversations}[conversation_name]
-		nc.talk.send_message(message, conversation)
+		message_with_ai_note = f"{message}\n\nThis message was sent by Nextcloud AI Assistant."
+		nc.talk.send_message(message_with_ai_note, conversation)
 
 		return True