This is sway's idle management daemon, swayidle. It is compatible with any Wayland compositor which implements the ext-idle-notify protocol. See the man page, swayidle(1), for instructions on configuring swayidle.
Releases are signed with 34FF9526 and published on GitHub. swayidle releases are managed independently of sway releases.
Swayidle is available in many distributions. Try installing the "swayidle" package for yours.
Install dependencies:
* Compile-time dependency
Run these commands:
meson build/
ninja -C build/
sudo ninja -C build/ install