fix(mcp): disable SSE streaming to mitigate FIN-WAIT-2 buildup via docker-proxy

Finb · Finb · commit 1091c91780c0 · 2026-02-24T15:27:53.000+08:00
diff --git a/route_mcp.go b/route_mcp.go
@@ -51,7 +51,10 @@ func setupGenericMCPServer() *server.StreamableHTTPServer {
 	)
 
 	s.AddTool(mcp.NewTool("notify", opts...), notifyHandler)
-	return server.NewStreamableHTTPServer(s)
+	return server.NewStreamableHTTPServer(s,
+		// Disable SSE streaming to avoid long-lived server->client connections on this deployment path.
+		server.WithDisableStreaming(true),
+	)
 }
 
 func setupSpecificMCPServer() *server.StreamableHTTPServer {
@@ -61,7 +64,10 @@ func setupSpecificMCPServer() *server.StreamableHTTPServer {
 	)
 
 	s.AddTool(mcp.NewTool("notify", getCommonToolOpts()...), notifyHandler)
-	return server.NewStreamableHTTPServer(s)
+	return server.NewStreamableHTTPServer(s,
+		// Disable SSE streaming to avoid long-lived server->client connections on this deployment path.
+		server.WithDisableStreaming(true),
+	)
 }
 
 func notifyHandler(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) {

Original file line number	Diff line number	Diff line change
`@@ -51,7 +51,10 @@ func setupGenericMCPServer() *server.StreamableHTTPServer {`
`51`	`51`	`)`
`52`	`52`
`53`	`53`	`s.AddTool(mcp.NewTool("notify", opts...), notifyHandler)`
`54`		`- return server.NewStreamableHTTPServer(s)`
	`54`	`+ return server.NewStreamableHTTPServer(s,`
	`55`	`+ // Disable SSE streaming to avoid long-lived server->client connections on this deployment path.`
	`56`	`+ server.WithDisableStreaming(true),`
	`57`	`+ )`
`55`	`58`	`}`
`56`	`59`
`57`	`60`	`func setupSpecificMCPServer() *server.StreamableHTTPServer {`
`@@ -61,7 +64,10 @@ func setupSpecificMCPServer() *server.StreamableHTTPServer {`
`61`	`64`	`)`
`62`	`65`
`63`	`66`	`s.AddTool(mcp.NewTool("notify", getCommonToolOpts()...), notifyHandler)`
`64`		`- return server.NewStreamableHTTPServer(s)`
	`67`	`+ return server.NewStreamableHTTPServer(s,`
	`68`	`+ // Disable SSE streaming to avoid long-lived server->client connections on this deployment path.`
	`69`	`+ server.WithDisableStreaming(true),`
	`70`	`+ )`
`65`	`71`	`}`
`66`	`72`
`67`	`73`	`func notifyHandler(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) {`