diff --git a/meta-google/recipes-google/host-power-ctrl/libwatchdog/libwatchdog.sh b/meta-google/recipes-google/host-power-ctrl/libwatchdog/libwatchdog.sh
new file mode 100644
index 0000000..dcb3969
--- /dev/null
+++ b/meta-google/recipes-google/host-power-ctrl/libwatchdog/libwatchdog.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+##################################################
+# Stop the host watchdog
+# Return:
+#   0 if success, non-zero if error
+##################################################
+stop_host_watchdog() {
+  if (( $# != 0 )); then
+    echo 'Usage: stop_host_watchdog' >&2
+    return 1
+  fi
+
+  local srv='xyz.openbmc_project.Watchdog'
+  local obj='/xyz/openbmc_project/watchdog/host0'
+  local intf='xyz.openbmc_project.State.Watchdog'
+  local method='Enabled'
+  local args=('b' 'false')
+  busctl set-property "${srv}" "${obj}" "${intf}" "${method}" "${args[@]}"
+}