# the command mbed export -h did not list the supported toolchains The documentation says > For a complete list of supported export toolchains, you can run: but provided command will only give an overview of all options available If you use an invalid toolchain as -i parameter you get the list of valid toolchains ## https://os.mbed.com/docs/mbed-os/v5.11/tools/exporting.html ## List of supported toolchains ## Only general help on mbed export