diff --git a/bindings/python/CMakeLists.txt b/bindings/python/CMakeLists.txt
index 02f0eb2..5677822 100644
--- a/bindings/python/CMakeLists.txt
+++ b/bindings/python/CMakeLists.txt
@@ -40,6 +40,9 @@ pybind11_add_module(icsneopy
     icsneopy/communication/message/livedatamessage.cpp
     icsneopy/communication/message/callback/messagecallback.cpp
     icsneopy/communication/message/filter/messagefilter.cpp
+    icsneopy/communication/message/filter/main51messagefilter.cpp
+    icsneopy/communication/message/main51message.cpp
+    icsneopy/communication/command.cpp
     icsneopy/core/macseccfg.cpp
     icsneopy/flexray/flexray.cpp
     icsneopy/disk/diskdriver.cpp
diff --git a/bindings/python/icsneopy/communication/command.cpp b/bindings/python/icsneopy/communication/command.cpp
new file mode 100644
index 0000000..963ebd7
--- /dev/null
+++ b/bindings/python/icsneopy/communication/command.cpp
@@ -0,0 +1,40 @@
+#include <pybind11/pybind11.h>
+#include <pybind11/native_enum.h>
+
+#include "icsneo/communication/command.h"
+
+namespace icsneo {
+
+void init_command(pybind11::module_& m) {
+	pybind11::native_enum<Command>(m, "Command", "enum.IntEnum")
+		.value("Main51RxBufferOverflow", Command::Main51RxBufferOverflow)
+		.value("Main51StartCmd", Command::Main51StartCmd)
+		.value("Main51TxFifoOverflow", Command::Main51TxFifoOverflow)
+		.value("Main51BulkInNoData", Command::Main51BulkInNoData)
+		.value("Main51SetModeComplete", Command::Main51SetModeComplete)
+		.value("Main51ReadEeprom", Command::Main51ReadEeprom)
+		.value("Main51CmdDone", Command::Main51CmdDone)
+		.value("Main51ErrStatus", Command::Main51ErrStatus)
+		.value("Main51ReadSectorBuff", Command::Main51ReadSectorBuff)
+		.value("Main51WriteSectorBuff", Command::Main51WriteSectorBuff)
+		.value("Main51MmcProcessDone", Command::Main51MmcProcessDone)
+		.value("Main51ReInitDone", Command::Main51ReInitDone)
+		.value("EnableNetworkCommunication", Command::EnableNetworkCommunication)
+		.value("EnableNetworkCommunicationEx", Command::EnableNetworkCommunicationEx)
+		.value("KeepAlive", Command::KeepAlive)
+		.value("RequestSerialNumber", Command::RequestSerialNumber)
+		.value("GetMainVersion", Command::GetMainVersion)
+		.value("SetSettings", Command::SetSettings)
+		.value("SaveSettings", Command::SaveSettings)
+		.value("SetDefaultSettings", Command::SetDefaultSettings)
+		.value("ReadSettings", Command::ReadSettings)
+		.value("ScriptStatus", Command::ScriptStatus)
+		.value("WiVICommand", Command::WiVICommand)
+		.value("Extended", Command::Extended)
+		.value("ExtendedData", Command::ExtendedData)
+		.value("FlexRayControl", Command::FlexRayControl)
+		.value("CoreMiniPreload", Command::CoreMiniPreload)
+		.finalize();
+}
+
+} // namespace icsneo
diff --git a/bindings/python/icsneopy/communication/message/filter/main51messagefilter.cpp b/bindings/python/icsneopy/communication/message/filter/main51messagefilter.cpp
new file mode 100644
index 0000000..7a36de3
--- /dev/null
+++ b/bindings/python/icsneopy/communication/message/filter/main51messagefilter.cpp
@@ -0,0 +1,13 @@
+#include <pybind11/pybind11.h>
+
+#include "icsneo/communication/message/filter/main51messagefilter.h"
+
+namespace icsneo {
+
+void init_main51messagefilter(pybind11::module_& m) {
+	pybind11::classh<Main51MessageFilter, MessageFilter>(m, "Main51MessageFilter")
+		.def(pybind11::init<>())
+		.def(pybind11::init<Command>());
+}
+
+} // namespace icsneo
diff --git a/bindings/python/icsneopy/communication/message/main51message.cpp b/bindings/python/icsneopy/communication/message/main51message.cpp
new file mode 100644
index 0000000..4653086
--- /dev/null
+++ b/bindings/python/icsneopy/communication/message/main51message.cpp
@@ -0,0 +1,13 @@
+#include <pybind11/pybind11.h>
+
+#include "icsneo/communication/message/main51message.h"
+
+namespace icsneo {
+
+void init_main51message(pybind11::module_& m) {
+	pybind11::classh<Main51Message, RawMessage>(m, "Main51Message")
+		.def(pybind11::init<>())
+		.def_readonly("command", &Main51Message::command);
+}
+
+} // namespace icsneo
diff --git a/bindings/python/icsneopy/icsneocpp.cpp b/bindings/python/icsneopy/icsneocpp.cpp
index d92402e..24eddfe 100644
--- a/bindings/python/icsneopy/icsneocpp.cpp
+++ b/bindings/python/icsneopy/icsneocpp.cpp
@@ -32,7 +32,10 @@ void init_deviceextension(pybind11::module_&);
 void init_chipid(pybind11::module_&);
 void init_versionreport(pybind11::module_&);
 void init_device(pybind11::module_&);
+void init_command(pybind11::module_&);
+void init_main51message(pybind11::module_&);
 void init_messagefilter(pybind11::module_&);
+void init_main51messagefilter(pybind11::module_&);
 void init_messagecallback(pybind11::module_&);
 void init_version(pybind11::module_&);
 void init_flexray(pybind11::module_& m);
@@ -69,7 +72,10 @@ PYBIND11_MODULE(icsneopy, m) {
 	init_scriptstatusmessage(m);
 	init_spimessage(m);
 	init_livedatamessage(m);
+	init_command(m);
+	init_main51message(m);
 	init_messagefilter(m);
+	init_main51messagefilter(m);
 	init_messagecallback(m);
 	init_diskdriver(m);
 	init_diskdetails(m);
diff --git a/examples/python/main51/main51_filter.py b/examples/python/main51/main51_filter.py
new file mode 100644
index 0000000..cfd0960
--- /dev/null
+++ b/examples/python/main51/main51_filter.py
@@ -0,0 +1,45 @@
+import icsneopy
+import time
+
+#
+# Main51 messages are device-originated notifications from the firmware's Main51 processor.
+# This example filters for RX buffer overflow and TX FIFO overflow events.
+#
+def main51_filter():
+	devices = icsneopy.find_all_devices()
+
+	if len(devices) == 0:
+		print("no devices found")
+		return False
+
+	device = devices[0]
+	print(f"selected {device}")
+
+	def on_main51(message):
+		if not isinstance(message, icsneopy.Main51Message):
+			return
+		if message.command == icsneopy.Command.Main51RxBufferOverflow:
+			print("RX buffer overflow")
+		elif message.command == icsneopy.Command.Main51TxFifoOverflow:
+			print("TX FIFO overflow")
+		else:
+			print(f"Main51 command: {message.command}")
+
+	filter = icsneopy.Main51MessageFilter()
+	callback = icsneopy.MessageCallback(on_main51, filter)
+	device.add_message_callback(callback)
+
+	if not device.open():
+		print("unable to open device")
+		return False
+
+	if not device.go_online():
+		print("unable to go online")
+		return False
+
+	time.sleep(5)
+
+	return True
+
+if __name__ == "__main__":
+	main51_filter()