diff --git a/src/Mcp/Tool/Task/CreateTaskTool.php b/src/Mcp/Tool/Task/CreateTaskTool.php
index 7919819..651ef11 100644
--- a/src/Mcp/Tool/Task/CreateTaskTool.php
+++ b/src/Mcp/Tool/Task/CreateTaskTool.php
@@ -41,6 +41,10 @@ class CreateTaskTool
         private readonly CalDavService $calDavService,
     ) {}
 
+    /**
+     * @param int[] $tagIds          IDs of the tags to attach
+     * @param int[] $collaboratorIds IDs of the collaborators to attach
+     */
     public function __invoke(
         int $projectId,
         string $title,
diff --git a/src/Mcp/Tool/Task/ListTasksTool.php b/src/Mcp/Tool/Task/ListTasksTool.php
index 88096ef..9722ad0 100644
--- a/src/Mcp/Tool/Task/ListTasksTool.php
+++ b/src/Mcp/Tool/Task/ListTasksTool.php
@@ -18,6 +18,9 @@ class ListTasksTool
         private readonly Security $security,
     ) {}
 
+    /**
+     * @param int[] $tagIds IDs of the tags to filter by
+     */
     public function __invoke(
         ?int $projectId = null,
         ?int $statusId = null,
diff --git a/src/Mcp/Tool/Task/UpdateTaskTool.php b/src/Mcp/Tool/Task/UpdateTaskTool.php
index 82c0c6b..09c53dc 100644
--- a/src/Mcp/Tool/Task/UpdateTaskTool.php
+++ b/src/Mcp/Tool/Task/UpdateTaskTool.php
@@ -38,6 +38,10 @@ class UpdateTaskTool
         private readonly CalDavService $calDavService,
     ) {}
 
+    /**
+     * @param int[] $tagIds          IDs of the tags to attach
+     * @param int[] $collaboratorIds IDs of the collaborators to attach
+     */
     public function __invoke(
         int $id,
         ?string $title = null,
diff --git a/src/Mcp/Tool/TimeEntry/CreateTimeEntryTool.php b/src/Mcp/Tool/TimeEntry/CreateTimeEntryTool.php
index 31b5832..5f5a223 100644
--- a/src/Mcp/Tool/TimeEntry/CreateTimeEntryTool.php
+++ b/src/Mcp/Tool/TimeEntry/CreateTimeEntryTool.php
@@ -33,6 +33,9 @@ class CreateTimeEntryTool
         private readonly Security $security,
     ) {}
 
+    /**
+     * @param int[] $tagIds IDs of the tags to attach
+     */
     public function __invoke(
         int $userId,
         string $startedAt,
diff --git a/src/Mcp/Tool/TimeEntry/UpdateTimeEntryTool.php b/src/Mcp/Tool/TimeEntry/UpdateTimeEntryTool.php
index 3222f87..c164fc9 100644
--- a/src/Mcp/Tool/TimeEntry/UpdateTimeEntryTool.php
+++ b/src/Mcp/Tool/TimeEntry/UpdateTimeEntryTool.php
@@ -30,6 +30,9 @@ class UpdateTimeEntryTool
         private readonly Security $security,
     ) {}
 
+    /**
+     * @param int[] $tagIds IDs of the tags to attach
+     */
     public function __invoke(
         int $id,
         ?string $title = null,