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

docs_src/client/tutorial005.py

@@ -1,20 +1,17 @@
+import anyio
+
 from mcp import Client
-from mcp.server import MCPServer
-
-mcp = MCPServer("Bookshop")
-
-
-@mcp.prompt(title="Recommend a book")
-def recommend(genre: str) -> str:
-    """Ask for a recommendation in a genre."""
-    return f"Recommend one {genre} book from the catalog and say why."
 
 
 async def main() -> None:
-    async with Client(mcp) as client:
+    async with Client("http://localhost:8000/mcp") as client:
         listed = await client.list_prompts()
         print(listed.prompts)
 
         result = await client.get_prompt("recommend", {"genre": "poetry"})
         for message in result.messages:
             print(message.role, message.content)
+
+
+if __name__ == "__main__":
+    anyio.run(main)