What is the 'brand voice' feature shown at the bottom of the Claude co-work interface, and where should firms manage brand assets like logos and colors?

The feature seen in the co-work interface relates to brand voice/brand packages, but the speaker noted it's likely better handled now in Claude Design rather than the co-work area, though they hadn't personally tested it. The idea is that you could set up a brand package for your firm (color scheme, logo, fonts) so that when you create documents like a proposal in Claude, those brand elements would automatically be applied. The speaker clarified that what was shown are actually 'skills,' which are different from 'plugins' or custom MCPs. It was mentioned that Jason had just released a video specifically on using Claude Design for this purpose.