diff --git a/wp-multi-kategorie.php b/wp-multi-kategorie.php
new file mode 100644
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+++ b/wp-multi-kategorie.php
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+<?php
+/*
+ * Plugin Name: WP Multi Kategorie
+ * Plugin URI: https://git.viper.ipv64.net/M_Viper/wp-multi-kategorie
+ * Description: Blende einzelne Kategorien aus verschiedenen Bereichen deiner Website (Startseite, Feeds, Archive, Suche) aus. Teil der WP Multi-Reihe.
+ * Version: 1.0.0
+ * Author: M_Viper
+ * Author URI: https://m-viper.de
+ * Requires at least: 6.7.2
+ * Tested up to: 6.7.2
+ * License: GPLv2 or later
+ * License URI: https://www.gnu.org/licenses/gpl-2.0.html
+ */
+
+defined('ABSPATH') or die('Kein direkter Zugriff erlaubt.');
+
+// Admin-Menü und Filter
+add_action('admin_menu', 'wpmkategorie_admin_menu');
+add_filter('pre_get_posts', 'wpmkategorie_exclude_categories');
+
+// Admin-Menü unter "Beiträge"
+function wpmkategorie_admin_menu() {
+    add_submenu_page(
+        'edit.php',                  // Elternmenü: "Beiträge"
+        'WP Multi Kategorie',        // Seitentitel
+        'Kategorie-Filter',          // Menüpunkt-Name
+        'manage_options',            // Berechtigung
+        'wp-multi-kategorie',        // Slug
+        'wpmkategorie_options_page'  // Callback-Funktion
+    );
+}
+
+// Optionsseite
+function wpmkategorie_options_page() {
+    if (isset($_POST['wpmkategorie'])) {
+        check_admin_referer('wpmkategorie_form');
+        $message = wpmkategorie_process();
+    }
+
+    $options = wpmkategorie_get_options();
+    ?>
+    <div class="wrap">
+        <h1>WP Multi Kategorie</h1>
+        <?php if (isset($message)) { echo $message; } ?>
+        <p>Wähle Kategorien aus, die du aus bestimmten Bereichen deiner Website ausblenden möchtest.</p>
+        <form action="" method="post">
+            <?php wp_nonce_field('wpmkategorie_form'); ?>
+            <table class="widefat fixed">
+                <thead>
+                    <tr>
+                        <th>Kategorie</th>
+                        <th>Startseite ausblenden?</th>
+                        <th>Feeds ausblenden?</th>
+                        <th>Archive ausblenden?</th>
+                        <th>Suche ausblenden?</th>
+                    </tr>
+                </thead>
+                <tbody>
+                    <?php
+                    $categories = get_categories(array('hide_empty' => 0, 'order' => 'ASC'));
+                    $alt = 0;
+                    foreach ($categories as $cat) :
+                        $alt_class = ($alt++ % 2) ? ' class="alternate"' : '';
+                    ?>
+                        <tr<?php echo $alt_class; ?>>
+                            <td><?php echo esc_html($cat->cat_name); ?></td>
+                            <td><input type="checkbox" name="exclude_main[]" value="<?php echo $cat->cat_ID; ?>" <?php checked(in_array($cat->cat_ID, $options['exclude_main'])); ?> /></td>
+                            <td><input type="checkbox" name="exclude_feed[]" value="<?php echo $cat->cat_ID; ?>" <?php checked(in_array($cat->cat_ID, $options['exclude_feed'])); ?> /></td>
+                            <td><input type="checkbox" name="exclude_archives[]" value="<?php echo $cat->cat_ID; ?>" <?php checked(in_array($cat->cat_ID, $options['exclude_archives'])); ?> /></td>
+                            <td><input type="checkbox" name="exclude_search[]" value="<?php echo $cat->cat_ID; ?>" <?php checked(in_array($cat->cat_ID, $options['exclude_search'])); ?> /></td>
+                        </tr>
+                    <?php endforeach; ?>
+                </tbody>
+            </table>
+            <p class="submit">
+                <input type="submit" name="wpmkategorie" class="button button-primary" value="Aktualisieren" />
+            </p>
+        </form>
+    </div>
+    <?php
+}
+
+// Verarbeitung der Formulardaten
+function wpmkategorie_process() {
+    $options = array(
+        'exclude_main' => isset($_POST['exclude_main']) ? array_map('intval', $_POST['exclude_main']) : array(),
+        'exclude_feed' => isset($_POST['exclude_feed']) ? array_map('intval', $_POST['exclude_feed']) : array(),
+        'exclude_archives' => isset($_POST['exclude_archives']) ? array_map('intval', $_POST['exclude_archives']) : array(),
+        'exclude_search' => isset($_POST['exclude_search']) ? array_map('intval', $_POST['exclude_search']) : array()
+    );
+
+    update_option('wpmkategorie_exclusions', $options);
+    return '<div class="notice notice-success is-dismissible"><p>Einstellungen erfolgreich aktualisiert.</p></div>';
+}
+
+// Optionen abrufen
+function wpmkategorie_get_options() {
+    $defaults = array(
+        'exclude_main' => array(),
+        'exclude_feed' => array(),
+        'exclude_archives' => array(),
+        'exclude_search' => array()
+    );
+
+    $options = get_option('wpmkategorie_exclusions', $defaults);
+    if (!is_array($options)) {
+        $options = $defaults;
+        update_option('wpmkategorie_exclusions', $options);
+    }
+
+    return $options;
+}
+
+// Kategorien ausblenden
+function wpmkategorie_exclude_categories($query) {
+    if (!is_admin() && $query->is_main_query()) {
+        $options = wpmkategorie_get_options();
+
+        if ($query->is_home() && !empty($options['exclude_main'])) {
+            $query->set('category__not_in', $options['exclude_main']);
+        }
+        if ($query->is_feed() && !empty($options['exclude_feed'])) {
+            $query->set('category__not_in', $options['exclude_feed']);
+        }
+        if ($query->is_archive() && !empty($options['exclude_archives'])) {
+            $query->set('category__not_in', $options['exclude_archives']);
+        }
+        if ($query->is_search() && !empty($options['exclude_search'])) {
+            $query->set('category__not_in', $options['exclude_search']);
+        }
+    }
+
+    return $query;
+}
+
+// Deinstallation
+function wpmkategorie_uninstall() {
+    delete_option('wpmkategorie_exclusions');
+}
+register_uninstall_hook(__FILE__, 'wpmkategorie_uninstall');
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