I am working with Claude to develop a tool to automatically split sales tax out of my personal expenses from email and other sources. It has to use QIF export/import which can be awkward and does not offer any kind of "auto receipt image attach" capability. But if Claude could directly connect to my Quick Cloud data, there might be a lot more opportunities both for developing add-ons like this and for general users just looking for help with problems in their Quicken data or for insights into their finances.
Even a lot of mundane things like maintaining your memorized payee list and transaction renaming rules could be picked up by Claude. I have to keep fiddling with those things so much, especially when vendors change their transaction titles on you or you have multiple accounts with Chase or Capital One and Quicken keeps getting their payments confused.