diff --git a/inc/composer/class-plugin.php b/inc/composer/class-plugin.php
index cd4042b..b041b91 100644
--- a/inc/composer/class-plugin.php
+++ b/inc/composer/class-plugin.php
@@ -5,6 +5,7 @@
 use Composer\Composer;
 use Composer\EventDispatcher\EventSubscriberInterface;
 use Composer\IO\IOInterface;
+use Composer\Package\PackageInterface;
 use Composer\Plugin\PluginInterface;
 
 class Plugin implements PluginInterface, EventSubscriberInterface {
@@ -16,6 +17,7 @@ class Plugin implements PluginInterface, EventSubscriberInterface {
 	 * @param IOInterface $io
 	 */
 	public function activate( Composer $composer, IOInterface $io ) {
+		$this->composer = $composer;
 	}
 
 	/**
@@ -27,6 +29,7 @@ public static function getSubscribedEvents() : array {
 		return [
 			'post-update-cmd' => [ 'install_files' ],
 			'post-install-cmd' => [ 'install_files' ],
+			'post-autoload-dump' => [ 'generate_module_manifest' ],
 		];
 	}
 
@@ -35,7 +38,7 @@ public static function getSubscribedEvents() : array {
 	 */
 	public function install_files() {
 		$source = dirname( __DIR__, 2 );
-		$dest   = dirname( $source, 3 );
+		$dest   = dirname( $this->composer->getConfig()->get( 'vendor-dir' ) );
 
 		copy( $source . '/index.php', $dest . '/index.php' );
 		copy( $source . '/wp-config.php', $dest . '/wp-config.php' );
@@ -70,4 +73,41 @@ public function install_files() {
 			mkdir( $dest . '/content/themes' );
 		}
 	}
+
+	/**
+	 * Generate the manifest of module entrypoints to be included automatically.
+	 */
+	public function generate_module_manifest() {
+		$repository = $this->composer->getRepositoryManager()->getLocalRepository();
+		$packages = $repository->getCanonicalPackages();
+		$vendor_dir = $this->composer->getConfig()->get( 'vendor-dir' );
+		$module_loader = "<?php\n/**\n * Altis Module Loader.\n *\n * DO NOT EDIT THIS FILE.\n */\n";
+
+		foreach ( $packages as $package ) {
+			$extra = $package->getExtra();
+
+			// Only process Altis packages.
+			if ( ! isset( $extra['altis'] ) ) {
+				continue;
+			}
+
+			// Determine absolute file path.
+			$default_base = $vendor_dir . DIRECTORY_SEPARATOR . str_replace( '/', DIRECTORY_SEPARATOR, $package->getName() );
+			$base = $package->getTargetDir() ?? $default_base;
+			$file = $base . DIRECTORY_SEPARATOR . 'load.php';
+
+			if ( ! file_exists( $file ) ) {
+				continue;
+			}
+
+			// Make the path relative to work across environments.
+			$file = str_replace( $vendor_dir, '', $file );
+
+			// Add the require line to the file.
+			$module_loader .= "\n// Load {$package->getName()}.\nrequire_once __DIR__ . '{$file}';";
+		}
+
+		// Write the loader file.
+		file_put_contents( $vendor_dir . DIRECTORY_SEPARATOR . 'modules.php', $package_list );
+	}
 }
diff --git a/wp-config.php b/wp-config.php
index 6d73299..d26d094 100644
--- a/wp-config.php
+++ b/wp-config.php
@@ -1,6 +1,5 @@
 <?php
-
-/*
+/**
  * Main config file for loading Altis.
  *
  * DO NOT EDIT THIS FILE.
@@ -20,6 +19,9 @@
 // all `autoload.files` from all modules.
 require_once __DIR__ . '/vendor/autoload.php';
 
+// Load all modules.
+require_once __DIR__ . '/vendor/modules.php';
+
 do_action( 'altis.loaded_autoloader' );
 
 if ( ! defined( 'ABSPATH' ) ) {