**Tabnine Special Agent** - Currently supports checking of Tabnine licenses via Rest-API - For CMK 2.3 or later. - Source see [Github](https://github.com/svalabs/checkmk_tabnine_special_agent)

PureStorage FlashArray Special Agent extended Checking more Rest-API endpoints than checkmk For CMK 2.5. Source see Github

AUX Host Labels with Special Agent could be configured via ruleset. The AUX labels are written to piggyback. Distributed monitoring need one special agent for each side. Source see Github