magento-test/app/code/Magento/MediaGalleryCatalog/etc/directory.xml

<?xml version="1.0"?>
<!--
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_MediaGalleryApi:etc/directory.xsd">
    <exclude>
        <patterns>
            <pattern name="catalog">/^catalog\/product/</pattern>
        </patterns>
    </exclude>
</config>