How to use the new impeccable skill in the GitHub Copilot app

GitHub demonstrates the new /impeccable skill in the GitHub Copilot app, using it as a design partner to polish an open-source web app UI. The video shows enabling the feature in Experimental settings, iterating on UI improvements, and creating a pull request directly from the app.

Overview

What the /impeccable skill does

The video introduces a built-in /impeccable skill in the GitHub Copilot app intended to help “polish” a project by acting as a design partner.

Demo project: PocketCal

GitHub uses PocketCal, an open-source web app, as the example project and applies the /impeccable skill to improve the UI, including:

How to enable it

To try the feature, GitHub shows enabling it via:

Creating a pull request from the app

The walkthrough highlights that once changes are complete, a pull request can be created directly from within the GitHub Copilot app.