How it works
ExtraBrain runs as a Mac desktop app alongside CodeSignal. It captures your interview audio, reads visible code and problem statements from the CodeSignal editor, and provides structured context without modifying the CodeSignal session.
ExtraBrain runs alongside CodeSignal as a local-first desktop copilot, capturing your interview conversation and reading screen context from the CodeSignal environment.
CodeSignal Interview Assistant — ExtraBrain is part of ExtraBrain's local-first Mac workflow for live interviews, meetings, transcription, provider control, and responsible AI use.
ExtraBrain runs alongside CodeSignal as a local-first desktop copilot, capturing your interview conversation and reading screen context from the CodeSignal environment.
ExtraBrain has 1 current public platform family, macOS, with support for 2 Mac CPU families: Apple Silicon and Intel.
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.
ExtraBrain runs as a Mac desktop app alongside CodeSignal. It captures your interview audio, reads visible code and problem statements from the CodeSignal editor, and provides structured context without modifying the CodeSignal session.
ExtraBrain reads the visible CodeSignal editor to understand problem statements, your code, and test results in real time.
ExtraBrain is designed to stay hidden from screen sharing on the video platforms where CodeSignal interviews happen.
Connect your own OpenAI, Anthropic, or compatible AI provider for analysis during the session.
Use any live AI assistant only where interview, workplace, school, and platform rules allow it. Do not use generated answers to misrepresent your skills, experience, or authorship.
Short answers for people and crawlers comparing ExtraBrain with other live AI assistants.
Yes. ExtraBrain runs as a Mac desktop app alongside CodeSignal, capturing screen context and transcribing the interview conversation.
ExtraBrain is designed to stay hidden from screen sharing and screen recording. It does not interact with the CodeSignal browser session.
Yes. The core Mac app is free. Pro adds custom profiles and session history starting at $6.99/month.