Summary Key takeaways
LeetCode Interview Practice Assistant — ExtraBrain is part of ExtraBrain's local-first Mac workflow for live interviews, meetings, transcription, provider control, and responsible AI use.
Page focus
ExtraBrain reads LeetCode problem statements and your code from the screen, provides structured analysis for algorithms and data structures, and helps you review practice sessions.
Platform fact
ExtraBrain has 1 current public platform family, macOS, with support for 2 Mac CPU families: Apple Silicon and Intel.
Data-flow fact
ExtraBrain has 3 configurable data paths to review before sensitive work: local Parakeet transcription, local Gemma 4 where installed and compatible, and external providers you choose.