qemu-guest-agent from home:Andreas_Schwab:qemu project
Select Your Operating System
Add repository and install manually
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Andreas_Schwab:qemu/15.6/home:Andreas_Schwab:qemu.repo zypper refresh zypper install qemu-guest-agent