From ee2241079aea3387f6d3246f25a0090072b75a36 Mon Sep 17 00:00:00 2001
From: nandanadileep <116407139+nandanadileep@users.noreply.github.com>
Date: Tue, 15 Sep 2026 14:08:04 +0000
Subject: [PATCH] Fix #3281: streamable_http (legacy mode): early
 response.aclose() discard

---
 src/mcp/client/streamable_http.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/mcp/client/streamable_http.py b/src/mcp/client/streamable_http.py
index 82de50fd05..21a8f0a2cc 100644
--- a/src/mcp/client/streamable_http.py
+++ b/src/mcp/client/streamable_http.py
@@ -483,7 +483,10 @@ async def _handle_sse_response(
                 # If the SSE event indicates completion, like returning response/error
                 # break the loop
                 if is_complete:
-                    await response.aclose()
+                    try:
+                        await response.aread()
+                    finally:
+                        await response.aclose()
                     return  # Normal completion, no reconnect needed
         except Exception:
             logger.debug("SSE stream ended", exc_info=True)  # pragma: lax no cover