diff --git a/cron/scheduler.py b/cron/scheduler.py
index a7c9c6ed1..15cfb61bf 100644
--- a/cron/scheduler.py
+++ b/cron/scheduler.py
@@ -137,6 +137,9 @@ def _deliver_result(job: dict, content: str) -> None:
         "whatsapp": Platform.WHATSAPP,
         "signal": Platform.SIGNAL,
         "matrix": Platform.MATRIX,
+        "mattermost": Platform.MATTERMOST,
+        "homeassistant": Platform.HOMEASSISTANT,
+        "dingtalk": Platform.DINGTALK,
         "email": Platform.EMAIL,
         "sms": Platform.SMS,
     }
diff --git a/tools/cronjob_tools.py b/tools/cronjob_tools.py
index 0cb1dc19d..fccc25a90 100644
--- a/tools/cronjob_tools.py
+++ b/tools/cronjob_tools.py
@@ -370,7 +370,7 @@ Important safety rule: cron-run sessions should not recursively schedule more cr
             },
             "deliver": {
                 "type": "string",
-                "description": "Delivery target: origin, local, telegram, discord, signal, sms, or platform:chat_id"
+                "description": "Delivery target: origin, local, telegram, discord, slack, whatsapp, signal, matrix, mattermost, homeassistant, dingtalk, email, sms, or platform:chat_id"
             },
             "model": {
                 "type": "string",
diff --git a/tools/send_message_tool.py b/tools/send_message_tool.py
index 3ebd6c5b7..ed0a5cb60 100644
--- a/tools/send_message_tool.py
+++ b/tools/send_message_tool.py
@@ -124,6 +124,10 @@ def _handle_send(args):
         "slack": Platform.SLACK,
         "whatsapp": Platform.WHATSAPP,
         "signal": Platform.SIGNAL,
+        "matrix": Platform.MATRIX,
+        "mattermost": Platform.MATTERMOST,
+        "homeassistant": Platform.HOMEASSISTANT,
+        "dingtalk": Platform.DINGTALK,
         "email": Platform.EMAIL,
         "sms": Platform.SMS,
     }