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<?php |
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/** |
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* MCP Tools for WordPress System Information & Diagnostics |
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* |
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* Provides tools for AI-assisted code analysis, plugin auditing, |
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* cron inspection, and site-wide diagnostics. |
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* |
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* @package MetaSync |
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* @subpackage MCP_Server/Tools |
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*/ |
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|
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if (!defined('ABSPATH')) { |
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exit; |
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} |
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|
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require_once plugin_dir_path(dirname(__FILE__)) . 'class-mcp-tool-base.php'; |
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|
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/** |
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* System Diagnostics Tool |
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* |
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* Returns a full system snapshot: WordPress, PHP, server, DB, active |
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* plugins, active theme, and cron summary — in one call. |
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*/ |
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class MCP_Tool_System_Diagnostics extends MCP_Tool_Base { |
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|
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public function get_name() { |
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return 'wordpress_system_diagnostics'; |
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} |
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|
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public function get_description() { |
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return 'Get a full system snapshot: WordPress version, PHP/server config, database info, active plugins, active theme, and WP-Cron summary. Use this as the starting point for any site-wide analysis.'; |
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} |
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|
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public function get_input_schema() { |
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return [ |
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'type' => 'object', |
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'properties' => (object)[], |
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]; |
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} |
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|
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public function execute($params) { |
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$this->require_capability('manage_options'); |
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|
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global $wpdb; |
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|
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// ── WordPress ──────────────────────────────────────────────── |
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$wp = [ |
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'version' => get_bloginfo('version'), |
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'multisite' => is_multisite(), |
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'site_url' => get_site_url(), |
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'home_url' => get_home_url(), |
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'wp_debug' => defined('WP_DEBUG') && WP_DEBUG, |
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'wp_debug_log' => defined('WP_DEBUG_LOG') && WP_DEBUG_LOG, |
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'wp_debug_display' => defined('WP_DEBUG_DISPLAY') && WP_DEBUG_DISPLAY, |
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'script_debug' => defined('SCRIPT_DEBUG') && SCRIPT_DEBUG, |
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'memory_limit' => defined('WP_MEMORY_LIMIT') ? WP_MEMORY_LIMIT : ini_get('memory_limit'), |
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'max_memory_limit' => defined('WP_MAX_MEMORY_LIMIT') ? WP_MAX_MEMORY_LIMIT : 'N/A', |
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'abspath' => ABSPATH, |
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'content_dir' => WP_CONTENT_DIR, |
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'uploads_dir' => wp_upload_dir()['basedir'], |
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'permalink_structure' => get_option('permalink_structure') ?: '(plain)', |
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'timezone' => wp_timezone_string(), |
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'language' => get_locale(), |
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]; |
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|
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// ── PHP ────────────────────────────────────────────────────── |
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$php = [ |
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'version' => PHP_VERSION, |
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'memory_limit' => ini_get('memory_limit'), |
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'max_execution_time' => ini_get('max_execution_time'), |
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'upload_max_filesize'=> ini_get('upload_max_filesize'), |
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'post_max_size' => ini_get('post_max_size'), |
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'max_input_vars' => ini_get('max_input_vars'), |
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'display_errors' => ini_get('display_errors'), |
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'extensions' => array_values(array_intersect( |
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['curl', 'gd', 'imagick', 'mbstring', 'openssl', 'xml', 'zip', 'intl', 'exif'], |
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get_loaded_extensions() |
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)), |
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]; |
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|
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// ── Server ─────────────────────────────────────────────────── |
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$server = [ |
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'software' => isset($_SERVER['SERVER_SOFTWARE']) ? sanitize_text_field($_SERVER['SERVER_SOFTWARE']) : 'unknown', |
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'os' => PHP_OS, |
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'sapi' => PHP_SAPI, |
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'https' => is_ssl(), |
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]; |
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|
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// ── Database ───────────────────────────────────────────────── |
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$db_version = $wpdb->get_var('SELECT VERSION()'); |
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$db = [ |
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'mysql_version' => $db_version, |
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'db_name' => defined('DB_NAME') ? DB_NAME : 'N/A', |
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'db_host' => defined('DB_HOST') ? DB_HOST : 'N/A', |
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'db_charset' => defined('DB_CHARSET') ? DB_CHARSET : 'N/A', |
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'table_prefix' => $wpdb->prefix, |
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'table_count' => (int) $wpdb->get_var( |
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$wpdb->prepare('SELECT COUNT(*) FROM information_schema.tables WHERE table_schema = %s', DB_NAME) |
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), |
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]; |
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|
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// ── Active Plugins ─────────────────────────────────────────── |
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if (!function_exists('get_plugins')) { |
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require_once ABSPATH . 'wp-admin/includes/plugin.php'; |
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} |
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$all_plugins = get_plugins(); |
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$active_slugs = (array) get_option('active_plugins', []); |
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$active_plugins = []; |
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foreach ($active_slugs as $slug) { |
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if (isset($all_plugins[$slug])) { |
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$p = $all_plugins[$slug]; |
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$active_plugins[] = [ |
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'slug' => $slug, |
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'name' => $p['Name'], |
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'version' => $p['Version'], |
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'author' => $p['Author'], |
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]; |
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} |
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} |
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|
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// ── Active Theme ───────────────────────────────────────────── |
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$theme = wp_get_theme(); |
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$theme_data = [ |
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'name' => $theme->get('Name'), |
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'version' => $theme->get('Version'), |
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'author' => $theme->get('Author'), |
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'template' => $theme->get_template(), |
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'stylesheet' => $theme->get_stylesheet(), |
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'parent' => $theme->parent() ? $theme->parent()->get('Name') : null, |
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]; |
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|
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// ── WP-Cron summary ────────────────────────────────────────── |
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$cron_events = _get_cron_array(); |
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$cron_count = 0; |
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$cron_hooks = []; |
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if (is_array($cron_events)) { |
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foreach ($cron_events as $timestamp => $hooks) { |
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foreach ($hooks as $hook => $jobs) { |
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$cron_count += count($jobs); |
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$cron_hooks[] = $hook; |
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} |
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} |
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} |
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$cron_summary = [ |
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'total_events' => $cron_count, |
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'unique_hooks' => count(array_unique($cron_hooks)), |
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'hooks_preview' => array_slice(array_unique($cron_hooks), 0, 20), |
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]; |
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|
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return $this->success([ |
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'wordpress' => $wp, |
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'php' => $php, |
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'server' => $server, |
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'database' => $db, |
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'active_plugins' => $active_plugins, |
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'active_theme' => $theme_data, |
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'cron_summary' => $cron_summary, |
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], 'System diagnostics retrieved successfully'); |
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} |
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} |
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|
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/** |
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* List All Plugins Tool |
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* |
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* Returns all installed plugins (active and inactive) with full metadata. |
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*/ |
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class MCP_Tool_List_All_Plugins extends MCP_Tool_Base { |
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|
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public function get_name() { |
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return 'wordpress_list_plugins'; |
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} |
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|
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public function get_description() { |
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return 'List all installed WordPress plugins (active and inactive) with name, version, author, description, and active status. Useful for auditing dependencies and finding outdated or vulnerable plugins.'; |
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} |
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|
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public function get_input_schema() { |
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return [ |
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'type' => 'object', |
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'properties' => [ |
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'status' => [ |
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'type' => 'string', |
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'enum' => ['all', 'active', 'inactive'], |
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'description' => 'Filter by active status (default: all)', |
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], |
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], |
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]; |
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} |
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|
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public function execute($params) { |
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$this->require_capability('manage_options'); |
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|
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if (!function_exists('get_plugins')) { |
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require_once ABSPATH . 'wp-admin/includes/plugin.php'; |
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} |
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|
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$filter = isset($params['status']) ? $params['status'] : 'all'; |
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$all_plugins = get_plugins(); |
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$active_slugs = (array) get_option('active_plugins', []); |
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$result = []; |
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|
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foreach ($all_plugins as $slug => $p) { |
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$is_active = in_array($slug, $active_slugs, true); |
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|
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if ($filter === 'active' && !$is_active) continue; |
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if ($filter === 'inactive' && $is_active) continue; |
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|
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$result[] = [ |
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'slug' => $slug, |
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'name' => $p['Name'], |
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'version' => $p['Version'], |
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'author' => wp_strip_all_tags($p['Author']), |
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'description' => wp_strip_all_tags($p['Description']), |
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'plugin_uri' => $p['PluginURI'], |
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'text_domain' => $p['TextDomain'], |
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'requires_wp' => $p['RequiresWP'] ?? '', |
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'requires_php'=> $p['RequiresPHP'] ?? '', |
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'active' => $is_active, |
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]; |
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} |
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|
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usort($result, function($a, $b) { |
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if ($a['active'] !== $b['active']) return $a['active'] ? -1 : 1; |
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return strcasecmp($a['name'], $b['name']); |
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}); |
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|
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return $this->success([ |
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'total' => count($result), |
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'plugins' => $result, |
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]); |
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} |
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} |
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|
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/** |
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* Get WP-Cron Jobs Tool |
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* |
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* Lists all scheduled WP-Cron events with timestamps and recurrence. |
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*/ |
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class MCP_Tool_Get_Cron_Jobs extends MCP_Tool_Base { |
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|
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public function get_name() { |
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return 'wordpress_get_cron_jobs'; |
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} |
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|
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public function get_description() { |
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return 'List all scheduled WP-Cron events: hook name, next run time, recurrence interval, and arguments. Useful for diagnosing missed cron jobs or unexpected background processing.'; |
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} |
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|
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public function get_input_schema() { |
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return [ |
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'type' => 'object', |
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'properties' => [ |
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'hook' => [ |
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'type' => 'string', |
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'description' => 'Filter by hook name (partial match, optional)', |
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], |
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], |
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]; |
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} |
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|
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public function execute($params) { |
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$this->require_capability('manage_options'); |
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|
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$cron_array = _get_cron_array(); |
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$hook_filter = isset($params['hook']) ? strtolower(sanitize_text_field($params['hook'])) : ''; |
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$events = []; |
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$now = time(); |
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|
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if (!is_array($cron_array)) { |
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return $this->success(['total' => 0, 'events' => []], 'No cron events scheduled'); |
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} |
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|
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foreach ($cron_array as $timestamp => $hooks) { |
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foreach ($hooks as $hook => $jobs) { |
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if ($hook_filter && strpos(strtolower($hook), $hook_filter) === false) { |
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continue; |
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} |
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foreach ($jobs as $job) { |
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$schedule = $job['schedule'] ?? 'one-time'; |
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$interval = $job['interval'] ?? null; |
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$events[] = [ |
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'hook' => $hook, |
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'next_run_ts' => $timestamp, |
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'next_run' => date('Y-m-d H:i:s', $timestamp), |
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'overdue_seconds'=> max(0, $now - $timestamp), |
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'overdue' => $timestamp < $now, |
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'schedule' => $schedule, |
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'interval_sec' => $interval, |
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'args' => $job['args'] ?? [], |
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]; |
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} |
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} |
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} |
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|
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usort($events, function($a, $b) { return $a['next_run_ts'] - $b['next_run_ts']; }); |
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|
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return $this->success([ |
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'total' => count($events), |
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'events' => $events, |
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]); |
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} |
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} |
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|
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/** |
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* Get WP Option Tool |
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* |
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* Reads a single wp_options entry by key. |
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*/ |
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class MCP_Tool_Get_WP_Option extends MCP_Tool_Base { |
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|
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public function get_name() { |
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return 'wordpress_get_option'; |
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} |
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|
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public function get_description() { |
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return 'Read a WordPress option (wp_options row) by key. Returns the stored value. Useful for inspecting plugin configurations and site settings stored in the options table.'; |
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} |
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|
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public function get_input_schema() { |
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return [ |
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'type' => 'object', |
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'properties' => [ |
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'option_name' => [ |
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'type' => 'string', |
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'description' => 'The option key to read (e.g. "blogname", "active_plugins", "siteurl")', |
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], |
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], |
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'required' => ['option_name'], |
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]; |
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} |
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|
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// Option keys that must never be exposed even to admins via this tool |
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private $blocked_keys = [ |
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'auth_key', 'secure_auth_key', 'logged_in_key', 'nonce_key', |
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'auth_salt', 'secure_auth_salt', 'logged_in_salt', 'nonce_salt', |
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]; |
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|
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public function execute($params) { |
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$this->validate_params($params); |
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$this->require_capability('manage_options'); |
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|
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$key = sanitize_text_field($params['option_name']); |
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|
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if (in_array($key, $this->blocked_keys, true)) { |
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throw new Exception("Option '{$key}' is blocked for security reasons"); |
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} |
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|
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$value = get_option($key, '__NOT_FOUND__'); |
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|
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if ($value === '__NOT_FOUND__') { |
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return $this->success([ |
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'option_name' => $key, |
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'exists' => false, |
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'value' => null, |
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], "Option '{$key}' does not exist"); |
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} |
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|
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// Serialize objects/arrays for readable output |
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if (is_array($value) || is_object($value)) { |
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$value = json_decode(json_encode($value), true); |
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} |
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|
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return $this->success([ |
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'option_name' => $key, |
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'exists' => true, |
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'value' => $value, |
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'type' => gettype($value), |
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]); |
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} |
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} |
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|
