Rick Hellewell

You can block ChatGPT and Bard and other compatible AI scanners from using your site content by adding specific commands to your site’s virtual robots.txt file. Note that an actual robots.txt file in your site root will override the virtual commands.
The plugin also adds your sitemap.xml file to the virtual robots.txt file.

ChatBot Blocker by CellarWeb

ChatBot Blocker by CellarWeb    adds commands to the WordPress virtual robots.txt file to block various chatbots from using your site content.

davide.airaghi

This plugin allows any user having at least one of the following capabilities to edit robots.txt: 
– edit_files (standard WP capability) 
– manage_options (standard WP capability) 
– unfiltered_upload (standard WP capability) 
– upload_files (standard WP capability) 
– wpseo_manage_options (Yoast SEO capability) 
– aioseo_general_settings (All In One SEO capability) 
– aioseo_tools_settings (All In One SEO capability) 
– aioseo_feature_manager_settings (All In One SEO capability) 
– aioseo_local_seo_settings (All In One SEO capability)
The “Robots.txt” option is added under “Settings” menu.

ChatBot Blocker by CellarWeb vs Robots.txt Quick Editor