root/galaxy-central/tools/data_source/access_libraries.xml

<?xml version="1.0"?>
<tool name="Access Libraries" id="library_access1">
    <description>stored locally</description>
    <inputs action="/library/index" method="get" target="_parent">
        <param name="default_action" type="hidden" value="add" />
    </inputs>
    <uihints minwidth="800"/>
</tool>