From b2925daf4f14e0689bfe23fcd74615afb6dd4805 Mon Sep 17 00:00:00 2001
From: Jamie Brunton <jamie@jbrunton.co.uk>
Date: Sat, 10 Jan 2026 19:41:16 +0000
Subject: [PATCH] Disable proxy buffering for MCP SSE

Add X-Accel-Buffering: no headers to prevent Nginx/Dokploy from buffering SSE streams
---
 apps/mcp/src/index.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/apps/mcp/src/index.ts b/apps/mcp/src/index.ts
index eceab68..ec55808 100644
--- a/apps/mcp/src/index.ts
+++ b/apps/mcp/src/index.ts
@@ -16,7 +16,12 @@ const mcpServer = createMcpServer();
 
 // Mount MCP server
 app.all('/mcp', async (c) => {
-  return mcpServer.handleRequest(c);
+  // Add headers to prevent Nginx/proxy buffering for SSE
+  c.header('X-Accel-Buffering', 'no');
+  c.header('Cache-Control', 'no-cache');
+  c.header('Connection', 'keep-alive');
+  
+  return mcpServer.handleRequest(c.req.raw);
 });
 
 const port = Number(process.env.PORT) || 3000;