diff --git a/gateway/run.py b/gateway/run.py
index 207ae120ba..94f1dde532 100644
--- a/gateway/run.py
+++ b/gateway/run.py
@@ -186,6 +186,8 @@ if _config_path.exists():
                 os.environ["HERMES_AGENT_TIMEOUT"] = str(_agent_cfg["gateway_timeout"])
             if "gateway_timeout_warning" in _agent_cfg and "HERMES_AGENT_TIMEOUT_WARNING" not in os.environ:
                 os.environ["HERMES_AGENT_TIMEOUT_WARNING"] = str(_agent_cfg["gateway_timeout_warning"])
+            if "gateway_notify_interval" in _agent_cfg and "HERMES_AGENT_NOTIFY_INTERVAL" not in os.environ:
+                os.environ["HERMES_AGENT_NOTIFY_INTERVAL"] = str(_agent_cfg["gateway_notify_interval"])
             if "restart_drain_timeout" in _agent_cfg and "HERMES_RESTART_DRAIN_TIMEOUT" not in os.environ:
                 os.environ["HERMES_RESTART_DRAIN_TIMEOUT"] = str(_agent_cfg["restart_drain_timeout"])
         _display_cfg = _cfg.get("display", {})
@@ -8146,11 +8148,17 @@ class GatewayRunner:
         interrupt_monitor = asyncio.create_task(monitor_for_interrupt())
 
         # Periodic "still working" notifications for long-running tasks.
-        # Fires every 10 minutes so the user knows the agent hasn't died.
-        _NOTIFY_INTERVAL = 600  # 10 minutes
+        # Fires every N seconds so the user knows the agent hasn't died.
+        # Config: agent.gateway_notify_interval in config.yaml, or
+        # HERMES_AGENT_NOTIFY_INTERVAL env var.  Default 600s (10 min).
+        # 0 = disable notifications.
+        _NOTIFY_INTERVAL_RAW = float(os.getenv("HERMES_AGENT_NOTIFY_INTERVAL", 600))
+        _NOTIFY_INTERVAL = _NOTIFY_INTERVAL_RAW if _NOTIFY_INTERVAL_RAW > 0 else None
         _notify_start = time.time()
 
         async def _notify_long_running():
+            if _NOTIFY_INTERVAL is None:
+                return  # Notifications disabled (gateway_notify_interval: 0)
             _notify_adapter = self.adapters.get(source.platform)
             if not _notify_adapter:
                 return
diff --git a/hermes_cli/config.py b/hermes_cli/config.py
index 8c46f8bba1..011c9bca9b 100644
--- a/hermes_cli/config.py
+++ b/hermes_cli/config.py
@@ -355,6 +355,10 @@ DEFAULT_CONFIG = {
         # threshold before escalating to a full timeout.  The warning fires
         # once per run and does not interrupt the agent.  0 = disable warning.
         "gateway_timeout_warning": 900,
+        # Periodic "still working" notification interval (seconds).
+        # Sends a status message every N seconds so the user knows the
+        # agent hasn't died during long tasks.  0 = disable notifications.
+        "gateway_notify_interval": 600,
     },
     
     "terminal": {