add logging config to audio server

add audio client
change delimiter for mcp tools from "::" to ":" to save tokens

mcp_server_collection/src/main.rs

@@ -67,7 +67,7 @@ async fn main() {
 
     let router = mcp_router(&config.servers).route("/", axum::routing::get(|| async { Json(config.servers) }));
 
-    let bind_address = config.bind_address.unwrap_or(url::Url::parse("localhost:8000").unwrap());
+    let bind_address = config.bind_address.unwrap_or(url::Url::parse("http://localhost:8000").unwrap());
     println!("binding address at {bind_address}");
 
     let tcp_listener = tokio::net::TcpListener::bind(bind_address_format(bind_address)).await.inspect_err(|e|{