You can also try these related scripts:

• Misskey Favicon差し替え - Faviconとapple-touch-iconを差し替え
• Fediverse Open on Main Server - Open Users or Notes on services that supports ActivityPub on your main Misskey server. You can also open Users or Notes on your main server on remote Misskey servers. Open the home page of this script and execute the user script command to set the main server.