(disclaimer, I&#x27;m a co-founder of ScaleFT)<p>If you are interested in a commercial solution in this space, check out ScaleFT.  Besides the dynamic SSH certificates, we also track both SSH keys used and access events, which you can then pull via an API across all your machines.  We also have a Slack notifier, though It needs a little love &amp; cleanup.<p>We&#x27;re currently in what I could best call a beta: <a href="https:&#x2F;&#x2F;www.scaleft.com&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.scaleft.com&#x2F;</a>