diff --git a/src/includes/plugin.php b/src/includes/plugin.php
index 86f24e02..f44baa53 100644
--- a/src/includes/plugin.php
+++ b/src/includes/plugin.php
@@ -12,7 +12,7 @@
     exit('Do NOT access this file directly.');
 }
 require_once __DIR__.'/stub.php';
-
+require_once __DIR__.'/wp-cli.php';
 if (!Classes\Conflicts::check()) {
     $GLOBALS[GLOBAL_NS]     = new Classes\Plugin();
     $GLOBALS['zencache']    = $GLOBALS[GLOBAL_NS]; // Back compat.
diff --git a/src/includes/wp-cli.php b/src/includes/wp-cli.php
new file mode 100644
index 00000000..7de2a061
--- /dev/null
+++ b/src/includes/wp-cli.php
@@ -0,0 +1,209 @@
+<?php
+/**
+ * @Package: Comet Cache WP CLI integration
+ * @Author: Arunas Liuiza <aliuiza@kayak.com>
+ * @Description: Exposes Comet Cache via WP CLI
+ * @Version: 0.1.0
+ */
+
+if ( ! defined( 'ABSPATH' ) ) {
+	// disable direct access to php file.
+	exit;
+}
+
+add_action( 'plugins_loaded', 'comet_cache_cli', 100 );
+
+function comet_cache_cli() {
+	if ( class_exists( 'WP_CLI' ) && class_exists( 'comet_cache' ) ) {
+		WP_CLI::add_command( 'comet-cache', 'Comet_Cache_CLI_Class' );
+	}
+}
+
+
+/**
+ * Execute Comet Cache actions via WP-CLI.
+ *
+ * ## EXAMPLES
+ *
+ *     # Clear all cache files (on one site in Multisite)
+ *     $ wp comet-cache clear
+ *     Success: Cleared cache files: 0.
+ *
+ *     # Clear files for single post
+ *     $ wp comet-cache clear post 15
+ *     Success: Cleared cache for post ID '8596', removes files: 1.
+ *
+ *     # Clear files for user with email user@example.com
+ *     $ wp comet-cache clear user user@example.com
+ *     Success: Cleared cache for user ID '494', removes files: 21.
+ *
+ *     # Clear files for all category archives
+ *     $ wp comet-cache clear url https://example.com/category/*
+ *     Success: Cleared cache for url 'https://example.com/category/*', removes files: 73.
+ *
+ *     # Wipe all cache files (for all sites in Multisite)
+ *     $ wp comet-cache wipe
+ *     Success: Cleared cache files: 0 (on all sites in Multisite).
+ *
+ *     # Purge old cache files
+ *     $ wp comet-cache purge
+ *     Purged old cache files. Removed files: 0.
+ *
+ *     # Check Comet Cache version.
+ *     $ wp comet-cache version
+ *     Success: Comet Cache Pro v170220.
+ */
+class Comet_Cache_CLI_Class {
+
+	/**
+	 * Clears cache files. On Multisite installs - clears files for one site only. Use `wp comet-cache wipe` to clear cache in all sites at once.
+	 *
+	 * ## OPTIONS
+	 *
+	 * <context>
+	 * : Which part to clear?
+	 * ---
+	 * default: all
+	 * options:
+	 *   - all
+	 *   - post
+	 *   - user
+	 *   - url
+	 * ---
+	 *
+	 * [<item>]
+	 * : Which item to clear - not needed if `context` is `all`. Otherwise you can pass:
+	 *   - Post ID for `wp comet-cache clear post`;
+	 *   - User ID, login or email for `wp comet-cache clear user`;
+	 *   - URL for `wp comet-cache clear url` (supports Waterd-Down Regex Syntax - https://cometcache.com/kb-article/watered-down-regex-syntax/).
+	 *
+	 * ## EXAMPLES
+	 *
+	 *     # Clear all cache files (on one site in Multisite)
+	 *     $ wp comet-cache clear
+	 *     Success: Cleared cache files: 0.
+	 *
+	 *     # Clear files for single post
+	 *     $ wp comet-cache clear post 15
+	 *     Success: Cleared cache for post ID '8596', removes files: 1.
+	 *
+	 *     # Clear files for user with email user@example.com
+	 *     $ wp comet-cache clear user user@example.com
+	 *     Success: Cleared cache for user ID '494', removes files: 21.
+	 *
+	 *     # Clear files for all category archives
+	 *     $ wp comet-cache clear url https://example.com/category/*
+	 *     Success: Cleared cache for url 'https://example.com/category/*', removes files: 73.
+	 */
+	public function clear( $args, $options ) {
+		$sub_action = isset( $args[1] ) ? $args[1] : 'all';
+		$sub_action = in_array( $sub_action, array( 'all', 'post', 'user', 'url' ), true ) ? $sub_action : 'all';
+		if ( 'all' === $sub_action ) {
+			$v = comet_cache::clear();
+			// translators: %s - number of cleared files.
+			return WP_CLI::success( sprintf( __( 'Cleared cache files: %s.', 'comet-cache' ), $v ) );
+		}
+		if ( ! method_exists( 'comet_cache', 'clearPost' ) ) {
+			return WP_CLI::error( __( 'You need to upgrade to Comet Cache Pro to use this feature.', 'comet-cache' ) );
+		}
+		if ( ! isset( $args[2] ) ) {
+			return WP_CLI::error( __( 'No item to clear provided.', 'comet-cache' ) );
+		}
+		$item = $args[2];
+		switch ( $sub_action ) {
+			case 'post':
+				$this->_cli_clear_post( $item, $args, $options );
+				break;
+			case 'user':
+				$this->_cli_clear_user( $item, $args, $options );
+				break;
+			case 'url':
+				$this->_cli_clear_url( $item, $args, $options );
+				break;
+		}
+	}
+	protected function _cli_clear_post( $item, $args, $options ) {
+		if ( null === get_post( $item ) ) {
+			// translators: %s - post ID.
+			WP_CLI::error( sprintf( __( 'Post ID \'%s\' not found.', 'comet-cache' ), $item ) );
+		}
+		$response = comet_cache::clearPost( $item );
+		// translators: %s - Post ID;
+		$item = sprintf( __( 'post ID \'%s\'', 'comet-cache' ), $item );
+		// translators: %1$s - item, %2$s - number of cleared files.
+		WP_CLI::success( sprintf( __( 'Cleared cache for %1$s, removes files: %2$s.', 'comet-cache' ), $item, $response ) );
+	}
+	protected function _cli_clear_user( $item, $args, $options ) {
+		$user   = false;
+		$fields = array( 'ID', 'login', 'email' );
+		foreach ( $fields as $field ) {
+			$user = get_user_by( $field, $item );
+			if ( false !== $user ) {
+				break;
+			}
+		}
+		if ( false === $user ) {
+			// translators: %s - user ID, login or email.
+			WP_CLI::error( sprintf( __( 'User \'%s\' not found.', 'comet-cache' ), $item ) );
+		}
+		$item     = $user->ID;
+		$response = comet_cache::clearUser( $item );
+		// translators: %s - User ID;
+		$item = sprintf( __( 'user ID \'%s\'', 'comet-cache' ), $item );
+		// translators: %1$s - item, %2$s - number of cleared files.
+		WP_CLI::success( sprintf( __( 'Cleared cache for %1$s, removes files: %2$s.', 'comet-cache' ), $item, $response ) );
+	}
+	protected function _cli_clear_url( $item, $args, $options ) {
+		$response = comet_cache::clearUrl( $item );
+		// translators: %s - URL;
+		$item = sprintf( __( 'url \'%s\'', 'comet-cache' ), $item );
+		// translators: %1$s - item, %2$s - number of cleared files.
+		WP_CLI::success( sprintf( __( 'Cleared cache for %1$s, removes files: %2$s.', 'comet-cache' ), $item, $response ) );
+	}
+
+	/**
+	 * Wipes all cache files. For single WordPress installations works the same way as `wp comet-cache clear`, for Multisite installations, clear caches on all sites at once.
+	 *
+	 * ## EXAMPLES
+	 *
+	 *     # Wipe all cache files (for all sites in Multisite)
+	 *     $ wp comet-cache wipe
+	 *     Success: Cleared cache files: 0 (on all sites in Multisite).
+	 */
+	public function wipe( $args, $options ) {
+		$v = comet_cache::wipe();
+		// translators: %s - number of cleared files.
+		WP_CLI::success( sprintf( __( 'Cleared cache files: %s (on all sites in Multisite).', 'comet-cache' ), $v ) );
+	}
+
+	/**
+	 * Purges old cache files.
+	 *
+	 * ## EXAMPLES
+	 *
+	 *     # Purge old cache files
+	 *     $ wp comet-cache purge
+	 *     Purged old cache files. Removed files: 0.
+	 */
+	public function purge( $args, $options ) {
+		$v = comet_cache::purge();
+		// translators: %s - number of cleared files.
+		WP_CLI::success( sprintf( __( 'Purged old cache files. Removed files: %s.', 'comet-cache' ), $v ) );
+	}
+
+	/**
+	 * Gets current version and type (Lite/Pro) of Comet Cache plugin.
+	 *
+	 * ## EXAMPLES
+	 *
+	 *     # Check Comet Cache version.
+	 *     $ wp comet-cache version
+	 *     Success: Comet Cache Pro v170220.
+	 */
+	public function version( $args, $options ) {
+		$plugin  = method_exists( 'comet_cache', 'clearPost' ) ? 'Comet Cache Pro' : 'Comet Cache';
+		$version = comet_cache::version();
+		// translators: %s - plugin version.
+		WP_CLI::success( sprintf( __( '%1$s v%2$s.', 'comet-cache' ), $plugin, $version ) );
+	}
+}