I made master kael because LeetCode kept putting me in the same loop. I open a problem and do not know the first step. I look up the answer. It makes sense while I read it. Then I close the tab and I cannot write it again, or say why it works. The next problem feels new, even when it is the same idea: a hash map, a sliding window, a heap, a graph search. If I ask a chatbot, it gives me the whole solution at once. Then I have nothing left to think through. master kael stays on one problem. It asks one question and waits. It keeps the statement and what I have already figured out, and it moves only when I do. The app is Next.js and React, written in TypeScript. Lessons are in MongoDB. Sign-in is Google. Replies come from gpt-oss-20b, OpenAI’s free open-source model, on Groq. App: https://master-kael.vercel.app/ Code: https://github.com/Arjun-A3/mast... You can also run it locally. Clone the repo and follow the steps there. Have you hit this loop too? Which problem was it?

Master Kael

One LeetCode problem. One question at a time.

One LeetCode problem. One question at a time.