Finally got around to installing This amazing component by @ludeeus

config/custom_components/hacs/sensor.py

@@ -0,0 +1,99 @@
+"""Sensor platform for HACS."""
+# pylint: disable=unused-argument
+from homeassistant.helpers.entity import Entity
+from .hacsbase import Hacs as hacs
+from .const import DOMAIN, VERSION, NAME_SHORT
+
+
+async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
+    """Setup sensor platform."""
+    async_add_entities([HACSSensor()])
+
+
+async def async_setup_entry(hass, config_entry, async_add_devices):
+    """Setup sensor platform."""
+    async_add_devices([HACSSensor()])
+
+
+class HACSDevice(Entity):
+    """HACS Device class."""
+
+    @property
+    def device_info(self):
+        """Return device information about HACS."""
+        return {
+            "identifiers": {(DOMAIN, self.unique_id)},
+            "name": NAME_SHORT,
+            "manufacturer": "hacs.xyz",
+            "model": "",
+            "sw_version": VERSION,
+        }
+
+
+class HACSSensor(HACSDevice):
+    """HACS Sensor class."""
+
+    def __init__(self):
+        """Initialize."""
+        self._state = None
+        self.repositories = []
+
+    async def async_update(self):
+        """Update the sensor."""
+        if hacs.system.status.background_task:
+            return
+
+        self.repositories = []
+
+        for repository in hacs.repositories:
+            if (
+                repository.pending_upgrade
+                and repository.category in hacs.common.categories
+            ):
+                self.repositories.append(repository)
+        self._state = len(self.repositories)
+
+    @property
+    def unique_id(self):
+        """Return a unique ID to use for this sensor."""
+        return (
+            "0717a0cd-745c-48fd-9b16-c8534c9704f9-bc944b0f-fd42-4a58-a072-ade38d1444cd"
+        )
+
+    @property
+    def name(self):
+        """Return the name of the sensor."""
+        return "hacs"
+
+    @property
+    def state(self):
+        """Return the state of the sensor."""
+        return self._state
+
+    @property
+    def icon(self):
+        """Return the icon of the sensor."""
+        return "hacs:hacs"
+
+    @property
+    def unit_of_measurement(self):
+        """Return the unit of measurement."""
+        return "pending update(s)"
+
+    @property
+    def device_state_attributes(self):
+        """Return attributes for the sensor."""
+        data = []
+        for repository in self.repositories:
+            data.append(
+                {
+                    "name": repository.information.full_name,
+                    "display_name": repository.display_name,
+                    "installed version": repository.display_installed_version,
+                    "available version": repository.display_available_version,
+                }
+            )
+        return {
+            "repositories": data,
+            "attribution": "It is expected to see [object Object] here, for more info see https://hacs.xyz/docs/basic/sensor",
+        }