Categories=Utility;
NoDisplay=true

$ cat /usr/share/applications/7z.desktop 
[Desktop Entry]
Type=Application
Name=Unpack 7z/rar
TryExec=7z
Exec=xterm -e "7z x -o$(dirname %f) %f"
MimeType=application/x-7z-compressed;application/x-rar;application/x-rar-compressed;application/x-7z-compressed-tar;

$ cat /usr/share/applications/busybox-tar.desktop 
[Desktop Entry]
Type=Application
Name=Unpack tar
Exec=xterm -e "tar -x -C $(dirname %f) -f %f"
MimeType=application/x-tar;application/x-compressed-tar;application/x-tar-compressed;application/x-bzip-compressed-tar;application/x-bzip2-compressed-tar;application/x-lzma-compressed-tar;application/x-xz-compressed-tar;

$ cat /usr/share/applications/busybox-unzip.desktop 
[Desktop Entry]
Type=Application
Name=Unpack zip
Exec=xterm -e "unzip -d $(dirname %f) %f"
MimeType=application/x-zip;application/x-zip-compressed;application/zip;