assets

MixerAPI {PLUGIN_NAME}

composer require mixerapi/{PACKAGE}
bin/cake plugin load MixerApi/{PLUGIN_NAME}

Alternatively after composer installing you can manually load the plugin in your Application:

# src/Application.php
public function bootstrap(): void
{
    // other logic...
    $this->addPlugin('MixerApi/{PLUGIN_NAME}');
}

composer check
composer cs-fix