The Brave talk calendar extension is available for Google, Proton, and Skiff calendars. By installing the extension, you will be able to add Brave Talk links directly to a new calendar invite.
You can install the extension for your email service here: Brave Talk for Calendars
You can read more about the Brave Talk for Calendars extension in our official blog post here: https://brave.com/brave-talk-extension/
The Brave Talk for Calendars extension is Open Source and the source code can be found on our official Github: https://github.com/brave/brave-talk-gcalendar-extension.