An INTJ would likely provide you with the information he/she judged necessary for your needs, whereas an INTP is more prone to explain in details how and why something works, so I think the answer is INTP.
A man builds. A parasite asks 'Where is my share?'
A man creates. A parasite says, 'What will the neighbors think?'
A man invents. A parasite says, 'Watch out, or you might tread on the toes of God... '