From 49b092be2e1fe7e273be661b4511cd375a20f187 Mon Sep 17 00:00:00 2001
From: Abarnaa Sree <abarnaasree23@gmail.com>
Date: Wed, 19 Aug 2026 11:25:20 +0530
Subject: [PATCH] fix: include PROGRAMDATA in inherited Windows environment

---
 src/mcp/client/stdio.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mcp/client/stdio.py b/src/mcp/client/stdio.py
index 3e03eef9ef..b19cbd0d98 100644
--- a/src/mcp/client/stdio.py
+++ b/src/mcp/client/stdio.py
@@ -45,6 +45,7 @@
         "LOCALAPPDATA",
         "PATH",
         "PATHEXT",
+        "PROGRAMDATA",
         "PROCESSOR_ARCHITECTURE",
         "SYSTEMDRIVE",
         "SYSTEMROOT",