There is a Web client at https://winden.app (although it uses different servers than the defaults in the Python CLI, the latter can be easily configured to use the same servers).
However, see further discussion in this article about the difficulties of Web / JavaScript security in this context (i.e. you're depending on the people operating the Web server to not serve different JS on each and every visit).
However, see further discussion in this article about the difficulties of Web / JavaScript security in this context (i.e. you're depending on the people operating the Web server to not serve different JS on each and every visit).