From ed0931de8e9dc8fbbe7431dc604b592e4656a099 Mon Sep 17 00:00:00 2001
From: akkuman <1075768094@qq.com>
Date: Mon, 15 Sep 2025 02:51:57 +0800
Subject: [PATCH] feat: Move the Starlette context middleware to the front
 (#1812)

---
 src/fastmcp/server/http.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/fastmcp/server/http.py b/src/fastmcp/server/http.py
index 72d64a93e..a842f0248 100644
--- a/src/fastmcp/server/http.py
+++ b/src/fastmcp/server/http.py
@@ -3,7 +3,7 @@ from __future__ import annotations
 from collections.abc import AsyncGenerator, Callable, Generator
 from contextlib import asynccontextmanager, contextmanager
 from contextvars import ContextVar
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Union
 
 from mcp.server.auth.middleware.bearer_auth import RequireAuthMiddleware
 from mcp.server.lowlevel.server import LifespanResultT
@@ -113,7 +113,7 @@ def create_base_app(
         A Starlette application
     """
     # Always add RequestContextMiddleware as the outermost middleware
-    middleware.append(Middleware(RequestContextMiddleware))
+    middleware.insert(0, Middleware(RequestContextMiddleware))
 
     return StarletteWithLifespan(
         routes=routes,