In Magento Marketplace Technical Review It will Check The Coding standard of the Extension So I Need To Check in My Local Machine

But I have Found 2 Solution and I am confuse what is better Solution.

1 magento-coding-standard

2 marketplace-eqp

I am develop my extension for Magento 2.3.* So I need To setup Coding Standard in my local machine for checking the quality of my extension`s code

I Need to Know the Difference Between this Two.

Which is better

standalone application for checking

or

Use within your Magento 2 project

Provide me Simple steps to install magento coding standard.