The Search in Thunar file manager context menu using `catfish` is present by default as a custom action in Linux Mint Xfce:

![enter image description here](https://i.stack.imgur.com/vLXeX.png)

The command used is `catfish --fileman=thunar --path=%f` (also recommended here: <http://docs.xfce.org/xfce/thunar/custom-actions>).

But in fact it doesn't work.