diff --git a/gateway/platforms/base.py b/gateway/platforms/base.py
index afb8767124aa..b8c012dc514f 100644
--- a/gateway/platforms/base.py
+++ b/gateway/platforms/base.py
@@ -1118,6 +1118,17 @@ async def edit_message(
         """
         return SendResult(success=False, error="Not supported")
 
+    async def delete_message(
+        self,
+        chat_id: str,
+        message_id: str,
+    ) -> bool:
+        """
+        Delete a previously sent message. Optional — platforms that don't
+        support deletion return False.
+        """
+        return False
+
     async def send_typing(self, chat_id: str, metadata=None) -> None:
         """
         Send a typing indicator.
diff --git a/gateway/platforms/telegram.py b/gateway/platforms/telegram.py
index bec0d690a3be..4f6cde10ecd9 100644
--- a/gateway/platforms/telegram.py
+++ b/gateway/platforms/telegram.py
@@ -997,7 +997,9 @@ async def send(
                 ]
             
             message_ids = []
-            thread_id = self._metadata_thread_id(metadata)
+            thread_id = metadata.get("thread_id") if metadata else None
+            silent = metadata.get("silent", False) if metadata else False
+            no_preview = metadata.get("no_preview", False) if metadata else False
             
             try:
                 from telegram.error import NetworkError as _NetErr
@@ -1030,6 +1032,8 @@ async def send(
                                 parse_mode=ParseMode.MARKDOWN_V2,
                                 reply_to_message_id=reply_to_id,
                                 message_thread_id=effective_thread_id,
+                                disable_notification=silent,
+                                disable_web_page_preview=no_preview,
                                 **self._link_preview_kwargs(),
                             )
                         except Exception as md_error:
@@ -1043,6 +1047,8 @@ async def send(
                                     parse_mode=None,
                                     reply_to_message_id=reply_to_id,
                                     message_thread_id=effective_thread_id,
+                                    disable_notification=silent,
+                                    disable_web_page_preview=no_preview,
                                     **self._link_preview_kwargs(),
                                 )
                             else:
@@ -1208,6 +1214,24 @@ async def edit_message(
             )
             return SendResult(success=False, error=str(e))
 
+    async def delete_message(
+        self,
+        chat_id: str,
+        message_id: str,
+    ) -> bool:
+        """Delete a previously sent Telegram message."""
+        if not self._bot:
+            return False
+        try:
+            await self._bot.delete_message(
+                chat_id=int(chat_id),
+                message_id=int(message_id),
+            )
+            return True
+        except Exception as e:
+            logger.debug("[%s] Failed to delete message %s: %s", self.name, message_id, e)
+            return False
+
     async def send_update_prompt(
         self, chat_id: str, prompt: str, default: str = "",
         session_key: str = "",
diff --git a/gateway/run.py b/gateway/run.py
index c19303e61b19..3d3ba026bbd0 100644
--- a/gateway/run.py
+++ b/gateway/run.py
@@ -9226,6 +9226,7 @@ def _run_still_current() -> bool:
         last_tool = [None]  # Mutable container for tracking in closure
         last_progress_msg = [None]  # Track last message for dedup
         repeat_count = [0]  # How many times the same message repeated
+        progress_msg_id_holder = [None]  # Track progress message ID for deletion
         
         def progress_callback(event_type: str, tool_name: str = None, preview: str = None, args: dict = None, **kwargs):
             """Callback invoked by agent on tool lifecycle events."""
@@ -9303,7 +9304,12 @@ def progress_callback(event_type: str, tool_name: str = None, preview: str = Non
             _progress_thread_id = source.thread_id or event_message_id
         else:
             _progress_thread_id = source.thread_id
-        _progress_metadata = {"thread_id": _progress_thread_id} if _progress_thread_id else None
+        # Silent mode: tool progress messages are sent without notification
+        # so the user isn't spammed with sounds/vibrations for every tool call.
+        # Link preview disabled to keep progress messages compact.
+        _progress_metadata = {"silent": True, "no_preview": True}
+        if _progress_thread_id:
+            _progress_metadata["thread_id"] = _progress_thread_id
 
         async def send_progress_messages():
             if not progress_queue:
@@ -9398,6 +9404,7 @@ async def send_progress_messages():
                             result = await adapter.send(chat_id=source.chat_id, content=msg, metadata=_progress_metadata)
                         if result.success and result.message_id:
                             progress_msg_id = result.message_id
+                            progress_msg_id_holder[0] = progress_msg_id
 
                     _last_edit_ts = time.monotonic()
 
@@ -10627,6 +10634,25 @@ async def _notify_long_running():
             # Stop progress sender, interrupt monitor, and notification task
             if progress_task:
                 progress_task.cancel()
+
+            # Auto-delete progress message after agent finishes (if enabled)
+            _delete_progress = False
+            try:
+                _display_cfg = user_config.get("display", {})
+                if isinstance(_display_cfg, dict):
+                    _delete_progress = _display_cfg.get("delete_progress_messages", False)
+            except Exception:
+                pass
+            if _delete_progress and progress_msg_id_holder[0]:
+                try:
+                    adapter = self.adapters.get(source.platform)
+                    if adapter:
+                        await adapter.delete_message(
+                            chat_id=source.chat_id,
+                            message_id=progress_msg_id_holder[0],
+                        )
+                except Exception:
+                    pass
             interrupt_monitor.cancel()
             _notify_task.cancel()
 
diff --git a/hermes_cli/config.py b/hermes_cli/config.py
index a87d1d23c93e..8b58ca1db547 100644
--- a/hermes_cli/config.py
+++ b/hermes_cli/config.py
@@ -600,6 +600,7 @@ def _ensure_hermes_home_managed(home: Path):
         "tool_progress_overrides": {},  # DEPRECATED — use display.platforms instead
         "tool_preview_length": 0,  # Max chars for tool call previews (0 = no limit, show full paths/commands)
         "platforms": {},  # Per-platform display overrides: {"telegram": {"tool_progress": "all"}, "slack": {"tool_progress": "off"}}
+        "delete_progress_messages": False,  # Auto-delete progress messages after final response
     },
 
     # Web dashboard settings