Persona Capital uses Yodlee. So if you build an integration with Yodlee you get Personal Capital (Empower) and many others. I think Quicken might do its own aggregation but I'm not sure. Support/product team -- you might consider merging this with the issue that is requesting this for Plaid, Yodlee, etc. It's the same issue. Link below:

Thank you for sharing this us, Paul. We are always working to improve our Greenlight experience and will be sure to pass your feedback along to the team.