From 7b9cd1e74d05c5036b019053f35ec34dc2794f0c Mon Sep 17 00:00:00 2001
From: cliffhall <cliff@futurescale.com>
Date: Thu, 24 Apr 2025 11:39:48 -0400
Subject: [PATCH] In server/index.ts - Add last-event-id to
 STREAMABLE_HTTP_HEADERS_PASSTHROUGH.

---
 server/src/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/src/index.ts b/server/src/index.ts
index ed79ae9..4bc7837 100644
--- a/server/src/index.ts
+++ b/server/src/index.ts
@@ -22,7 +22,7 @@ import mcpProxy from "./mcpProxy.js";
 import { randomUUID } from "node:crypto";
 
 const SSE_HEADERS_PASSTHROUGH = ["authorization"];
-const STREAMABLE_HTTP_HEADERS_PASSTHROUGH = ["authorization", "mcp-session-id"];
+const STREAMABLE_HTTP_HEADERS_PASSTHROUGH = ["authorization", "mcp-session-id", "last-event-id"];
 
 const defaultEnvironment = {
   ...getDefaultEnvironment(),