From 0f0d9d4453ad0ae38396b9eefdbd528acaaea900 Mon Sep 17 00:00:00 2001
From: Gabriel Peal <gabriel@openai.com>
Date: Wed, 22 Oct 2025 11:32:52 -0700
Subject: [PATCH] fix: accept 204 in addition to 202 on initialize

---
 .../src/transport/common/reqwest/streamable_http_client.rs  | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/crates/rmcp/src/transport/common/reqwest/streamable_http_client.rs b/crates/rmcp/src/transport/common/reqwest/streamable_http_client.rs
index bea1a71f..6026e056 100644
--- a/crates/rmcp/src/transport/common/reqwest/streamable_http_client.rs
+++ b/crates/rmcp/src/transport/common/reqwest/streamable_http_client.rs
@@ -118,8 +118,12 @@ impl StreamableHttpClient for reqwest::Client {
                 }));
             }
         }
+        let status = response.status();
         let response = response.error_for_status()?;
-        if response.status() == reqwest::StatusCode::ACCEPTED {
+        if matches!(
+            status,
+            reqwest::StatusCode::ACCEPTED | reqwest::StatusCode::NO_CONTENT
+        ) {
             return Ok(StreamableHttpPostResponse::Accepted);
         }
         let content_type = response.headers().get(reqwest::header::CONTENT_TYPE);