diff --git a/codex-rs/rmcp-client/src/stdio_server_launcher.rs b/codex-rs/rmcp-client/src/stdio_server_launcher.rs
index fb3dab525e..2c5f039625 100644
--- a/codex-rs/rmcp-client/src/stdio_server_launcher.rs
+++ b/codex-rs/rmcp-client/src/stdio_server_launcher.rs
@@ -15,6 +15,8 @@ use std::collections::HashMap;
 use std::ffi::OsString;
 use std::future::Future;
 use std::io;
+#[cfg(windows)]
+use std::os::windows::process::CommandExt;
 use std::path::PathBuf;
 use std::process::Stdio;
 use std::sync::Arc;
@@ -197,6 +199,9 @@ impl StdioServerLauncher for LocalStdioServerLauncher {
 #[cfg(unix)]
 const PROCESS_GROUP_TERM_GRACE_PERIOD: Duration = Duration::from_secs(2);
 
+#[cfg(windows)]
+const CREATE_NO_WINDOW: u32 = 0x08000000;
+
 #[cfg(unix)]
 struct LocalProcessTerminator {
     process_group_id: u32,
@@ -341,6 +346,10 @@ impl LocalProcessTerminator {
             .arg(self.pid.to_string())
             .arg("/T")
             .arg("/F")
+            .stdin(Stdio::null())
+            .stdout(Stdio::null())
+            .stderr(Stdio::null())
+            .creation_flags(CREATE_NO_WINDOW)
             .status();
     }