From 59fb4845d6e49bca6b63cb12a617872682d3133a Mon Sep 17 00:00:00 2001
From: Xiaofu Huang <xiaofhua@microsoft.com>
Date: Tue, 6 May 2025 17:25:38 +0800
Subject: [PATCH] fix: Expose the MCP child process PID as an accessible
 property in StdioClientTransport

---
 src/client/stdio.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/client/stdio.ts b/src/client/stdio.ts
index 9e35293d..4f7f5f1b 100644
--- a/src/client/stdio.ts
+++ b/src/client/stdio.ts
@@ -184,6 +184,10 @@ export class StdioClientTransport implements Transport {
     return this._process?.stderr ?? null;
   }
 
+  get pid(): number | undefined {
+    return this._process?.pid;
+  }
+
   private processReadBuffer() {
     while (true) {
       try {