diff --git a/src/plugins/sensors/system_monitor.py b/src/plugins/sensors/system_monitor.py
new file mode 100644
index 000000000..810662c4a
--- /dev/null
+++ b/src/plugins/sensors/system_monitor.py
@@ -0,0 +1,66 @@
+import logging
+import time
+
+import psutil
+
+from ...base import BasePlugin
+
+
+# Setup logger for the plugin
+logger = logging.getLogger(__name__)
+
+
+class SystemMonitorPlugin(BasePlugin):
+    """
+    SystemMonitorPlugin: Monitors hardware health (CPU, RAM, Temperature).
+
+    This allows the AI Agent to be aware of its physical constraints.
+    """
+
+    def __init__(self, config=None):
+        super().__init__(config)
+        self.name = "system_monitor"
+        # Check if we are in a limited environment (e.g., Docker or MacOS)
+        # to decide if we should use mock data for temperature
+        self.mock_mode = config.get("mock_mode", False) if config else False
+
+    def get_data(self):
+        """
+        Collects current system metrics.
+
+        Returns:
+            dict: A dictionary containing CPU, Memory, and Temperature data.
+        """
+        try:
+            data = {
+                "cpu_usage_percent": psutil.cpu_percent(interval=0.5),
+                "memory_usage_percent": psutil.virtual_memory().percent,
+                "temperature_c": self._get_temp(),
+                "status": "healthy",
+                "timestamp": time.time(),
+            }
+            return data
+        except (RuntimeError, AttributeError, psutil.Error) as e:
+            # Avoid broad Exception; catch specific errors (Ruff BLE001)
+            logger.error("Failed to collect system metrics: %s", e)
+            return {"status": "error", "message": str(e)}
+
+    def _get_temp(self):
+        """
+        Retrieves CPU temperature safely.
+
+        Note: Temperature sensors might not be available on all platforms.
+        """
+        if self.mock_mode:
+            return 45.0
+
+        try:
+            temps = psutil.sensors_temperatures()
+            for name in ["cpu_thermal", "coretemp", "soc_thermal"]:
+                if name in temps:
+                    return temps[name][0].current
+            return None
+        except (AttributeError, KeyError, PermissionError, psutil.Error):
+            # Caught specific errors to ensure system stability
+            logger.warning("Temperature sensors not supported or accessible.")
+            return None