diff --git a/src/agent/src/Toolbox/AgentProcessor.php b/src/agent/src/Toolbox/AgentProcessor.php
index b966d29d6..6cd273b82 100644
--- a/src/agent/src/Toolbox/AgentProcessor.php
+++ b/src/agent/src/Toolbox/AgentProcessor.php
@@ -44,12 +44,18 @@ public function __construct(
 
     public function processInput(Input $input): void
     {
+        $options = $input->getOptions();
+
+        // If the option 'tools' is already an array of tools, do nothing
+        if (isset($options['tools']) && $this->isToolsArray($options['tools'])) {
+            return;
+        }
+
         $toolMap = $this->toolbox->getTools();
         if ([] === $toolMap) {
             return;
         }
 
-        $options = $input->getOptions();
         // only filter tool map if list of strings is provided as option
         if (isset($options['tools']) && $this->isFlatStringArray($options['tools'])) {
             $toolMap = array_values(array_filter($toolMap, fn (Tool $tool) => \in_array($tool->name, $options['tools'], true)));
@@ -85,6 +91,14 @@ private function isFlatStringArray(array $tools): bool
         return array_reduce($tools, fn (bool $carry, mixed $item) => $carry && \is_string($item), true);
     }
 
+    /**
+     * @param array<mixed> $tools
+     */
+    private function isToolsArray(array $tools): bool
+    {
+        return array_reduce($tools, fn (bool $carry, mixed $item) => $carry && $item instanceof Tool, true);
+    }
+
     private function handleToolCallsCallback(Output $output): \Closure
     {
         return function (ToolCallResult $result, ?AssistantMessage $streamedAssistantResponse = null) use ($output): ResultInterface {