[v1.x] Follow redirects only within the MCP endpoint's origin (#3448)

examples/servers/simple-tool/mcp_simple_tool/server.py

@@ -2,9 +2,9 @@ from typing import Any
 
 import anyio
 import click
+import httpx
 import mcp.types as types
 from mcp.server.lowlevel import Server
-from mcp.shared._httpx_utils import create_mcp_http_client
 from starlette.requests import Request
 
 
@@ -12,7 +12,8 @@ async def fetch_website(
     url: str,
 ) -> list[types.ContentBlock]:
     headers = {"User-Agent": "MCP Test Server (github.com/modelcontextprotocol/python-sdk)"}
-    async with create_mcp_http_client(headers=headers) as client:
+    timeout = httpx.Timeout(30, read=300)
+    async with httpx.AsyncClient(headers=headers, timeout=timeout, follow_redirects=True) as client:
         response = await client.get(url)
         response.raise_for_status()
         return [types.TextContent(type="text", text=response.text)]