A command line interface for WordPress

Command Description
cache Manage the object cache.
cap Manage user capabilities.
cli Get information about WP-CLI itself.
comment Manage comments.
core Download, install, update and otherwise manage WordPress proper.
cron Manage WP-Cron events and schedules.
db Perform basic database operations.
eval Execute arbitrary PHP code.
eval-file Load and execute a PHP file.
export Export content to a WXR file.
help Get help on WP-CLI, or on a specific command.
import Import content from a WXR file.
media Manage attachments.
menu List, create, assign, and delete menus.
option Manage options.
package Manage WP-CLI packages.
plugin Manage plugins.
post Manage posts.
post-type Manage post types.
rewrite Manage rewrite rules.
role Manage user roles.
scaffold Generate code for post types, taxonomies, etc.
search-replace Search/replace strings in the database.
server Launch PHP's built-in web server for this specific WordPress installation.
shell Interactive PHP console.
sidebar Manage sidebars.
site Perform site-wide operations.
super-admin List, add, and remove super admins from a network.
taxonomy Manage taxonomies.
term Manage terms.
theme Manage themes.
transient Manage transients.
user Manage users.
widget Manage sidebar widgets.

Also see the list of community commands.