steam_discovery_queue.user.js

// ==UserScript==
 // @name            Auto Steam Discovery Queue
 // @namespace       Kowiz
 // @description     Go to next game queued as soon as page is done loading.
 // @include         http://store.steampowered.com/explore/*
 // @run-at          document-end
 // @grant           none
 // @description    shamlessly stolen from https://gist.github.com/xPaw/73f8ae2031b4e528abf7
 // ==/UserScript==

 var GenerateQueue = function( queueNumber )
{
    console.log( 'Queue #' + ++queueNumber );
    ShowBlockingWaitDialog( 'Executing…' ,queueNumber);
	
	jQuery.post( 'http://store.steampowered.com/explore/generatenewdiscoveryqueue', { sessionid: g_sessionID, queuetype: 0 } ).done( function( data )
	{
		var requests = [];
		
		for( var i = 0; i < data.queue.length; i++ )
		{
			requests.push( jQuery.post( 'http://store.steampowered.com/app/10', { appid_to_clear_from_queue: data.queue[ i ], sessionid: g_sessionID } ) );
		}
		
		jQuery.when.apply( jQuery, requests ).done( function()
		{
			if( queueNumber < 3 )
			{
				GenerateQueue( queueNumber );
			}
			else
			{
				ShowBlockingWaitDialog( 'Completed!', queueNumber);
                Logout();
			}
		} );
	} );
};

GenerateQueue( 0 );