Missing mips64el/loongson ports on mirrors

Hello,

I recently installed OpenBSD 7.6 on the Lemote Yeeloong 2f (8101B) laptop.
I tried to connect/sync my laptop to the mirrors to install the binary programs.
I tried to use several mirrors, but without success.
Is there a maintained mips64el/loongson mirror with binaries, which I
could use? Or how do I compile and build the programs for it?

Here is a short output summary of what I have done:

yeeloong# cat /etc/installurl
http://199.185.178.81/pub/OpenBSD
yeeloong# pkg_info -Q irssi
http://199.185.178.81/pub/OpenBSD/7.6/packages/mips64el/: no such dir
yeeloong# vi /etc/installurl
yeeloong# pkg_info -Q irssi
https://ftp2.eu.openbsd.org/pub/OpenBSD//7.6/packages/mips64el/: no
such dir
yeeloong# vi /etc/installurl
yeeloong# pkg_info -Q irssi
https://cdn.openbsd.org/pub/OpenBSD/7.6/packages/mips64el/: no such dir
yeeloong# arch -s
mips64el

Best regards,
Jan