From 91af9ad19a0e1131a82d0f1f02a70b74a8ae3d62 Mon Sep 17 00:00:00 2001
From: Riley Shott <riley.shott@shopify.com>
Date: Mon, 9 Jun 2025 14:14:41 -0700
Subject: [PATCH] Gracefully handle POST requests with nil bodies

---
 lib/mcp/server/transports/streamable_http_transport.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/mcp/server/transports/streamable_http_transport.rb b/lib/mcp/server/transports/streamable_http_transport.rb
index 0fcca7d..ee3244f 100644
--- a/lib/mcp/server/transports/streamable_http_transport.rb
+++ b/lib/mcp/server/transports/streamable_http_transport.rb
@@ -162,7 +162,7 @@ module MCP
 
         def parse_request_body(body_string)
           JSON.parse(body_string)
-        rescue JSON::ParserError
+        rescue JSON::ParserError, TypeError
           [400, { "Content-Type" => "application/json" }, [{ error: "Invalid JSON" }.to_json]]
         end