nxt-wp-mcp/wordpress-webmcp.php at main · pbmagnet4/nxt-wp-mcp · GitHub

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<?php
/**
 * Plugin Name: WordPress WebMCP
 * Plugin URI: https://github.com/whtnxt/wordpress-webmcp
 * Description: WebMCP (Web Model Context Protocol) server for WordPress — allows AI agents to navigate and engage with your WordPress site through browser-native MCP tools.
 * Version: 1.0.0
 * Author: Whtnxt
 * Author URI: https://whtnxt.io
 * License: GPL v2 or later
 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
 * Text Domain: wordpress-webmcp
 * Requires at least: 6.5
 * Requires PHP: 8.1
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option) any later
 * version.
 *
 * @package WordPress_WebMCP
 */

declare( strict_types=1 );

if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

if ( ! defined( 'WP_WEBMCP_VERSION' ) ) {
    define( 'WP_WEBMCP_VERSION', '1.0.0' );
}

if ( ! defined( 'WP_WEBMCP_PLUGIN_FILE' ) ) {
    define( 'WP_WEBMCP_PLUGIN_FILE', __FILE__ );
}

if ( ! defined( 'WP_WEBMCP_PLUGIN_BASENAME' ) ) {
    define( 'WP_WEBMCP_PLUGIN_BASENAME', plugin_basename( __FILE__ ) );
}

if ( ! defined( 'WP_WEBMCP_PLUGIN_DIR' ) ) {
    define( 'WP_WEBMCP_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
}

if ( ! defined( 'WP_WEBMCP_PLUGIN_URL' ) ) {
    define( 'WP_WEBMCP_PLUGIN_URL', plugin_dir_url( __FILE__ ) );
}

if ( ! defined( 'WP_WEBMCP_ASSETS_DIR' ) ) {
    define( 'WP_WEBMCP_ASSETS_DIR', WP_WEBMCP_PLUGIN_DIR . 'assets' );
}

if ( ! defined( 'WP_WEBMCP_ASSETS_URL' ) ) {
    define( 'WP_WEBMCP_ASSETS_URL', WP_WEBMCP_PLUGIN_URL . 'assets' );
}

require_once __DIR__ . '/includes/class-webmcp-registry.php';
require_once __DIR__ . '/includes/class-webmcp-rest.php';
require_once __DIR__ . '/includes/class-webmcp-scripts.php';
require_once __DIR__ . '/includes/class-webmcp-block.php';
require_once __DIR__ . '/admin/class-webmcp-settings.php';

if ( defined( 'WP_CLI' ) && WP_CLI ) {
    require_once __DIR__ . '/includes/cli.php';
}

register_activation_hook( __FILE__, [ WPCli\WebMCP\Registry::class, 'install' ] );
register_deactivation_hook( __FILE__, [ WPCli\WebMCP\Registry::class, 'uninstall' ] );

WPCli\WebMCP\REST::instance();
WPCli\WebMCP\Scripts::instance();
WPCli\WebMCP\Block::instance();

if ( is_admin() ) {
    WPCli\WebMCP\Settings::instance();
}

if ( defined( 'WP_CLI' ) && WP_CLI ) {
    WP_CLI::add_command( 'webmcp', WPCli\WebMCP\CLI::class );
}

add_action( 'init', function () {
    load_plugin_textdomain( 'wordpress-webmcp', false, dirname( WP_WEBMCP_PLUGIN_BASENAME ) . '/languages/' );
} );

// WebMCP requires origin isolation (SecureContext + COOP/COEP headers).
// These headers must be sent on all responses for document.modelContext to be available.
add_action( 'send_headers', function () {
    if ( ! is_admin() ) {
        header( 'Cross-Origin-Opener-Policy: same-origin' );
        header( 'Cross-Origin-Embedder-Policy: require-corp' );
        header( 'Cross-Origin-Resource-Policy: same-origin' );
    }
} );