tcl-tls

If you are running a shell provider, you will need to install tcl-tls for eggdrop.

It can be installed easily from openbsd packages:

$ doas pkg_add tcltls

You could also try building tcl-tls from source:

$ ftp https://core.tcl-lang.org/tcltls/uv/tcltls-1.7.22.tar.gz
$ tar xvzf tcltls-1.7.22.tar.gz
$ cd tcltls-1.7.22/
$ ./configure
$ make
$ doas make install