The phrase "a kind of skill" is correct and usable in written English.
You can use it when describing a specific type or category of skill that someone possesses or is developing.
Example: "Playing the piano requires a kind of skill that combines both technical ability and artistic expression."
Alternatives: "a type of skill" or "a form of skill".
The latter expression is normally used to refer to a kind of skill or ability, such as knowing how to swim.
It is seen mainly as a kind of skill training.
Plutarch, at any rate, records that "Pericles heard Zeno of Elea discoursing on nature in the manner of Parmenides, and practicing a kind of skill in cross-examination and in driving one's opponent into a corner by means of contradictory argument" (Plu. Per. 4.5).
"They have a kind of skill that takes a lot of practice to acquire.
Saving, I eventually decided, is a kind of skill set, which you need...if you're going to save.
When that pressure to express yourself starts to even out is like a kind of craft, a kind of skill at writing and recording.
Mathematical thinking should not be regarded as a kind of mathematical skill; it should be regarded as a preference of how mathematical skills are used (Borromeo-Ferri, 2010).
Besides, emptying the thing out and starting over demands a kind of curatorial skill I haven't got.
Others see social behaviour as a kind of motor skill that is goal-directed and modified by feedback (or learning), while other models have been based on the theory of games, which emphasizes the pursuit and exchange of rewards and has led to experiments based on laboratory games.
Including miniature cameo portraits, exquisitely sensitive relief portraits of upper-class women and children in marble and bronze and a monumental marble figure of Hiawatha, the exhibition of almost four dozen works from the museum's collection displays a kind of traditional skill and idealism that practically no one possesses anymore.
We do so this year with the greatest of ease, because at the moment of writing this a street band is playing "Jingle Bells," beneath our window - wandering musicians playing with a kind of laggard skill, their lips cold against the horn.
