diff --git a/src/Core/Addon/AddonHelper.php b/src/Core/Addon/AddonHelper.php
index 98a999c23f..1dd8dc93f5 100644
--- a/src/Core/Addon/AddonHelper.php
+++ b/src/Core/Addon/AddonHelper.php
@@ -23,6 +23,27 @@ interface AddonHelper
 	 */
 	public function getAvailableAddons(): array;
 
+	/**
+	 * Installs an addon.
+	 *
+	 * @param string $addonId name of the addon
+	 *
+	 * @return bool true on success or false on failure
+	 */
+	public function installAdodn(string $addonId): bool;
+
+	/**
+	 * Uninstalls an addon.
+	 *
+	 * @param string $addonId name of the addon
+	 */
+	public function uninstallAddon(string $addonId): void;
+
+	/**
+	 * Reload (uninstall and install) all updated addons.
+	 */
+	public function reloadAddons(): void;
+
 	/**
 	 * Checks if the provided addon is enabled
 	 */
diff --git a/src/Core/Addon/AddonProxy.php b/src/Core/Addon/AddonProxy.php
index aaa6a23689..dead7cbb3e 100644
--- a/src/Core/Addon/AddonProxy.php
+++ b/src/Core/Addon/AddonProxy.php
@@ -30,6 +30,36 @@ final class AddonProxy implements AddonHelper
 		return Addon::getAvailableList();
 	}
 
+	/**
+	 * Installs an addon.
+	 *
+	 * @param string $addonId name of the addon
+	 *
+	 * @return bool true on success or false on failure
+	 */
+	public function installAdodn(string $addonId): bool
+	{
+		return Addon::install($addonId);
+	}
+
+	/**
+	 * Uninstalls an addon.
+	 *
+	 * @param string $addonId name of the addon
+	 */
+	public function uninstallAddon(string $addonId): void
+	{
+		Addon::uninstall($addonId);
+	}
+
+	/**
+	 * Reload (uninstall and install) all updated addons.
+	 */
+	public function reloadAddons(): void
+	{
+		Addon::reload();
+	}
+
 	/**
 	 * Checks if the provided addon is enabled
 	 */