Install mysql-workbench failed: Requires: proj, tinyxml, python-paramiko >= 1.15.1
You need install additional packages:

sudo yum install epel-release
sudo yum install proj
sudo yum install tinyxml
sudo yum install libzip


if You have trouble with repo

wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
sudo yum install epel-release-7.noarch.rpm


than

sudo yum -y install mysql-workbench-community