From ef0ce2f38a737c884fca863d6c5ad212ecb2b76c Mon Sep 17 00:00:00 2001
From: "Kevin R." <heilong24@gmail.com>
Date: Wed, 9 Apr 2025 12:11:23 -0400
Subject: [PATCH] fix: prevent SSEServer.Start() from overriding http server

`s.srv` can be set via `WithHTTPServer`
---
 server/sse.go | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/server/sse.go b/server/sse.go
index 6e6a13fe..0b3a1271 100644
--- a/server/sse.go
+++ b/server/sse.go
@@ -170,9 +170,11 @@ func NewTestServer(server *MCPServer, opts ...SSEOption) *httptest.Server {
 // Start begins serving SSE connections on the specified address.
 // It sets up HTTP handlers for SSE and message endpoints.
 func (s *SSEServer) Start(addr string) error {
-	s.srv = &http.Server{
-		Addr:    addr,
-		Handler: s,
+	if s.srv == nil {
+		s.srv = &http.Server{
+			Addr:    addr,
+			Handler: s,
+		}
 	}
 
 	return s.srv.ListenAndServe()