MarsSeed [1] filed a deletion request for sensu-agent [2]: Binary-based, badly named. Upstream is open-source, and the release archive name (base package name) is sensu-go, not sensu.
A proper, actively maintained source-based pkgbase exists on AUR for the same upstream. [a] [a]: https://aur.archlinux.org/pkgbase/sensu-go [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/sensu-agent/
