diff --git a/.gitmodules b/.gitmodules
index 438e66e4..5add47af 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1076,3 +1076,9 @@
 [submodule "libraries/helpers/fruitjam"]
 	path = libraries/helpers/fruitjam
 	url = https://github.com/adafruit/Adafruit_CircuitPython_FruitJam.git
+[submodule "libraries/helpers/usb_host_mouse"]
+	path = libraries/helpers/usb_host_mouse
+	url = https://github.com/adafruit/Adafruit_CircuitPython_USB_Host_Mouse.git
+[submodule "libraries/helpers/argv_file"]
+	path = libraries/helpers/argv_file
+	url = https://github.com/adafruit/Adafruit_CircuitPython_Argv_File.git
diff --git a/circuitpython_library_list.md b/circuitpython_library_list.md
index abc349f4..04cb18d1 100644
--- a/circuitpython_library_list.md
+++ b/circuitpython_library_list.md
@@ -247,6 +247,7 @@ There are 358 libraries available.
 * [CircuitPython NAU7802](https://github.com/adafruit/CircuitPython_NAU7802.git)
 
 ## Helpers:
+* [Adafruit CircuitPython Argv_File](https://github.com/adafruit/Adafruit_CircuitPython_Argv_File.git) ([PyPi](https://pypi.org/project/adafruit-circuitpython-argv-file/)) \([Docs](https://docs.circuitpython.org/projects/argv_file/en/latest/))
 * [Adafruit CircuitPython AVRprog](https://github.com/adafruit/Adafruit_CircuitPython_AVRprog.git) ([PyPi](https://pypi.org/project/adafruit-circuitpython-avrprog)) \([Docs](https://docs.circuitpython.org/projects/avrprog/en/latest/))
 * [Adafruit CircuitPython AWS IOT](https://github.com/adafruit/Adafruit_CircuitPython_AWS_IOT.git) ([PyPi](https://pypi.org/project/adafruit-circuitpython-aws-iot)) \([Docs](https://docs.circuitpython.org/projects/aws_iot/en/latest/))
 * [Adafruit CircuitPython AdafruitIO](https://github.com/adafruit/Adafruit_CircuitPython_AdafruitIO.git) ([PyPi](https://pypi.org/project/adafruit-circuitpython-adafruitio)) \([Docs](https://docs.circuitpython.org/projects/adafruitio/en/latest/))
@@ -352,6 +353,7 @@ There are 358 libraries available.
 * [Adafruit CircuitPython USB Host Descriptors](https://github.com/adafruit/Adafruit_CircuitPython_USB_Host_Descriptors.git) ([PyPi](https://pypi.org/project/adafruit-circuitpython-usb-host-descriptors)) \([Docs](https://docs.circuitpython.org/projects/usb-host-descriptors/en/latest/))
 * [Adafruit CircuitPython USB Host MIDI](https://github.com/adafruit/Adafruit_CircuitPython_USB_Host_MIDI.git) ([PyPi](https://pypi.org/project/adafruit-circuitpython-usb-host-midi)) \([Docs](https://docs.circuitpython.org/projects/usb-host-midi/en/latest/))
 * [Adafruit CircuitPython USB Host Mass Storage](https://github.com/adafruit/Adafruit_CircuitPython_USB_Host_Mass_Storage.git) ([PyPi](https://pypi.org/project/adafruit-circuitpython-usb-host-mass-storage)) \([Docs](https://docs.circuitpython.org/projects/usb-host-mass-storage/en/latest/))
+* [Adafruit CircuitPython USB Host Mouse](https://github.com/adafruit/Adafruit_CircuitPython_USB_Host_Mouse.git) ([PyPi](https://pypi.org/project/adafruit-circuitpython-usb-host-mouse/)) \([Docs](https://docs.circuitpython.org/projects/usb_host_mouse/en/latest/))
 * [Adafruit CircuitPython WSGI](https://github.com/adafruit/Adafruit_CircuitPython_WSGI.git) ([PyPi](https://pypi.org/project/adafruit-circuitpython-wsgi)) \([Docs](https://docs.circuitpython.org/projects/wsgi/en/latest/))
 * [Adafruit CircuitPython Waveform](https://github.com/adafruit/Adafruit_CircuitPython_Waveform.git) ([PyPi](https://pypi.org/project/adafruit-circuitpython-waveform)) \([Docs](https://docs.circuitpython.org/projects/waveform/en/latest/))
 * [Adafruit CircuitPython Wiz](https://github.com/adafruit/Adafruit_CircuitPython_Wiz.git) ([PyPi](https://pypi.org/project/adafruit-circuitpython-wiz)) \([Docs](https://docs.circuitpython.org/projects/wiz/en/latest/))
diff --git a/libraries/helpers/argv_file b/libraries/helpers/argv_file
new file mode 160000
index 00000000..a0153b3b
--- /dev/null
+++ b/libraries/helpers/argv_file
@@ -0,0 +1 @@
+Subproject commit a0153b3bfeb7f0bdfb58d9efb78d4397bfa0f5e1
diff --git a/libraries/helpers/usb_host_mouse b/libraries/helpers/usb_host_mouse
new file mode 160000
index 00000000..57a447c6
--- /dev/null
+++ b/libraries/helpers/usb_host_mouse
@@ -0,0 +1 @@
+Subproject commit 57a447c6bfb30bf47ab3075f5ca71b1b074e2611