chore: import upstream snapshot with attribution

examples/snippets/servers/streamable_http_path_config.py

@@ -0,0 +1,31 @@
+"""Example showing path configuration when mounting MCPServer.
+
+Run from the repository root:
+    uvicorn examples.snippets.servers.streamable_http_path_config:app --reload
+"""
+
+from starlette.applications import Starlette
+from starlette.routing import Mount
+
+from mcp.server.mcpserver import MCPServer
+
+# Create a simple MCPServer server
+mcp_at_root = MCPServer("My Server")
+
+
+@mcp_at_root.tool()
+def process_data(data: str) -> str:
+    """Process some data"""
+    return f"Processed: {data}"
+
+
+# Mount at /process with streamable_http_path="/" so the endpoint is /process (not /process/mcp)
+# Transport-specific options like json_response are passed to streamable_http_app()
+app = Starlette(
+    routes=[
+        Mount(
+            "/process",
+            app=mcp_at_root.streamable_http_app(json_response=True, streamable_http_path="/"),
+        ),
+    ]
+)