Adds The SEO Framework's Title and Description columns on the edit screen.

tsf-add-custom-columns.php

<?php
/**
 * Plugin Name: The SEO Framework - Add custom columns
 * Plugin URI: https://theseoframework.com/
 * Description: Adds The SEO Framework's Title and Description columns on the edit screen.
 * Version: 9001.42.1
 * Author: Sybre Waaijer
 * Author URI: https://cyberwire.nl/
 * License: GPLv3
 */

add_action(
	'the_seo_framework_after_admin_init',
	function() {
		// Load class inside function, so we can defer object inheritance within a single file.
		new class extends The_SEO_Framework\Admin\Lists\Table {

			private $column_name = 'tsf-c-custom-title';

			public function add_column( $columns ) {
				return array_merge(
					$columns,
					[ $this->column_name => 'Meta Title' ]
				);
			}

			public function output_column_contents_for_post( $column_name, $post_id ) {
				if ( $this->column_name !== $column_name ) return;
				echo esc_html( tsf()->get_title( [ 'id' => $post_id ] ) );
			}

			public function output_column_contents_for_term( $string, $column_name, $term_id ) {
				if ( $this->column_name !== $column_name ) return;
				echo esc_html( tsf()->get_title( [ 'id' => $term_id, 'taxonomy' => $this->taxonomy ] ) );
			}
		};

		// Load class inside function, so we can defer object inheritance within a single file.
		new class extends The_SEO_Framework\Admin\Lists\Table {

			private $column_name = 'tsf-c-custom-description';

			public function add_column( $columns ) {
				return array_merge(
					$columns,
					[ $this->column_name => 'Meta Description' ]
				);
			}

			public function output_column_contents_for_post( $column_name, $post_id ) {
				if ( $this->column_name !== $column_name ) return;
				echo esc_html( tsf()->get_description( [ 'id' => $post_id ] ) );
			}

			public function output_column_contents_for_term( $string, $column_name, $term_id ) {
				if ( $this->column_name !== $column_name ) return;
				// phpcs:ignore -- Output is escaped; $this->taxonomy is inherited.
				echo esc_html( tsf()->get_description( [ 'id' => $term_id, 'taxonomy' => $this->taxonomy ] ) );
			}
		};
	}
);

Now compatible with TSF v5.0+, although it uses the privately marked class The_SEO_Framework\Admin\Lists\Table.