AbdullahAlhariri/penmentor

AI mentor that corrects your written math visually with local harnesses.

66 best points · 9 comments · 1 Hacker News post · 191 GitHub stars · View on GitHub

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• Show HN: Penmentor – Claude marks up your handwritten math like a teacher (66 points, 9 comments, by abdullahalharir, 2026-10-20)