From 28a1ac20d362a1948e9e2003df52511ccdf1dcc8 Mon Sep 17 00:00:00 2001
From: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
Date: Tue, 22 Sep 2026 08:25:56 +0000
Subject: [PATCH] fix(mcp): keep the string guard on tools/list next_cursor

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
---
 litellm/experimental_mcp_client/tools.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/litellm/experimental_mcp_client/tools.py b/litellm/experimental_mcp_client/tools.py
index 8e640f8b837..df644fd7f4a 100644
--- a/litellm/experimental_mcp_client/tools.py
+++ b/litellm/experimental_mcp_client/tools.py
@@ -130,7 +130,7 @@ async def list_tools_with_pagination(
             tools.extend(result.tools)
 
             next_cursor = result.next_cursor
-            if not next_cursor:
+            if not isinstance(next_cursor, str) or not next_cursor:
                 return tools
             if next_cursor in seen_cursors:
                 verbose_logger.warning(