Sentence examples for a sort of helpfulness from inspiring English sources

The phrase "a sort of helpfulness" is correct and usable in written English.
It can be used to describe a type or degree of helpfulness that is not fully defined or is somewhat ambiguous.
Example: "Her advice provided a sort of helpfulness that I didn't expect, guiding me through my decision-making process."
Alternatives: "a kind of assistance" or "a type of support".