Cacher is the code snippet organizer for pro developers

//Add CPT archives links to Admin menus (see here http://x.co/4WPhw)
add_action('admin_head-nav-menus.php', 'wpclean_add_metabox_menu_posttype_archive');

function wpclean_add_metabox_menu_posttype_archive() {
	add_meta_box('wpclean-metabox-nav-menu-posttype', 'Custom Post Type Archives', 'wpclean_metabox_menu_posttype_archive', 'nav-menus', 'side', 'default');
}

function wpclean_metabox_menu_posttype_archive() {
	$post_types = get_post_types(array('show_in_nav_menus' => true, 'has_archive' => true), 'object');

	if ($post_types) :
		$items = array();
		$loop_index = 999999;

		foreach ($post_types as $post_type) {
			$item = new stdClass();
			$loop_index++;

			$item->object_id = $loop_index;
			$item->db_id = 0;
			$item->object = 'post_type_' . $post_type->query_var;
			$item->menu_item_parent = 0;
			$item->type = 'custom';
			$item->title = $post_type->labels->name;
			$item->url = get_post_type_archive_link($post_type->query_var);
			$item->target = '';
			$item->attr_title = '';
			$item->classes = array();
			$item->xfn = '';

			$items[] = $item;
		}

		$walker = new Walker_Nav_Menu_Checklist(array());

		echo '<div id="posttype-archive" class="posttypediv">';
		echo '<div id="tabs-panel-posttype-archive" class="tabs-panel tabs-panel-active">';
		echo '<ul id="posttype-archive-checklist" class="categorychecklist form-no-clear">';
		echo walk_nav_menu_tree(array_map('wp_setup_nav_menu_item', $items), 0, (object) array('walker' => $walker));
		echo '</ul>';
		echo '</div>';
		echo '</div>';

		echo '<p class="button-controls">';
		echo '<span class="add-to-menu">';
		echo '<input type="submit"' . disabled(1, 0) . ' class="button-secondary submit-add-to-menu right" value="' . __('Add to Menu', 'andromedamedia') . '" name="add-posttype-archive-menu-item" id="submit-posttype-archive" />';
		echo '<span class="spinner"></span>';
		echo '</span>';
		echo '</p>';

	endif;
}