What is the WP-CLI? The WP-CLI is a way of doing anything that you would be able to do in the back-end of a WordPress site in wp-admin, but using command lines. A number of hosts have WP-CLI installed on new servers. One great example is on Cloudways. Common WP-CLI commands If a client site has a white screen issues from an active plugin or theme and you have sFTP/SSH access on the site, then you can change the active plugins. You can also change the site to a new theme, or install a new default theme to test if