docs: stop presenting the in-memory client as the way to connect (#3443)

docs_src/apps/tutorial001.py

@@ -1,6 +1,4 @@
-from mcp import Client
-from mcp.client import advertise
-from mcp.server.apps import APP_MIME_TYPE, EXTENSION_ID, Apps, client_supports_apps
+from mcp.server.apps import Apps, client_supports_apps
 from mcp.server.mcpserver import MCPServer
 from mcp.server.mcpserver.context import Context
 
@@ -30,10 +28,3 @@ def get_time(ctx: Context) -> str:
 apps.add_html_resource("ui://clock/app.html", CLOCK_HTML, title="Clock")
 
 mcp = MCPServer("clock", extensions=[apps])
-
-
-async def main() -> None:
-    async with Client(mcp, extensions=[advertise(EXTENSION_ID, {"mimeTypes": [APP_MIME_TYPE]})]) as client:
-        result = await client.call_tool("get_time", {})
-        print(result.content)
-        # [TextContent(text='2026-06-26T12:00:00Z')]

docs_src/apps/tutorial001_client.py

@@ -0,0 +1,20 @@
+import anyio
+
+from mcp import Client
+from mcp.client import advertise
+from mcp.server.apps import APP_MIME_TYPE, EXTENSION_ID
+from mcp.types import TextContent
+
+APPS_SUPPORT = advertise(EXTENSION_ID, {"mimeTypes": [APP_MIME_TYPE]})
+
+
+async def main() -> None:
+    async with Client("http://localhost:8000/mcp", extensions=[APPS_SUPPORT]) as client:
+        result = await client.call_tool("get_time", {})
+        for block in result.content:
+            if isinstance(block, TextContent):
+                print(block.text)
+
+
+if __name__ == "__main__":
+    anyio.run(main)