From 94b88a26e033024480c1d6fdbcde34aa5265342d Mon Sep 17 00:00:00 2001
From: Sam Thanawalla <17936816+samthanawalla@users.noreply.github.com>
Date: Wed, 23 Jul 2025 15:40:57 -0400
Subject: [PATCH] mcp/server: fix nil PingParams in server.Ping (#163)

Use OrZero in case PingParams is nil to avoid typed nil.

Fixes: #162
---
 mcp/server.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mcp/server.go b/mcp/server.go
index 75e66db..6433c5b 100644
--- a/mcp/server.go
+++ b/mcp/server.go
@@ -610,7 +610,7 @@ func (ss *ServerSession) ID() string {
 
 // Ping pings the client.
 func (ss *ServerSession) Ping(ctx context.Context, params *PingParams) error {
-	_, err := handleSend[*emptyResult](ctx, ss, methodPing, params)
+	_, err := handleSend[*emptyResult](ctx, ss, methodPing, orZero[Params](params))
 	return err
 }