This neural interface writes code from my brain waves…

Fireship demos Neurosity Crown EEG headset integrated with Claude Code to trigger code refactoring via thought patterns like left-hand pinch.

• Neurosity Crown is a non-invasive EEG device that detects specific trained thought patterns (sour lemon, left-hand pinch, jumping jacks) at up to 35Hz gamma waves.
• Neurosity just released an MCP server enabling direct brain-activity integration with AI agents like Claude Code.
• Demo: thinking about left foot sends highlighted code to Claude API for automatic refactoring; thinking sour lemon discards it.
• Crown trains on ~30 repetitions of a mental signal to detect that specific thought reliably.
• Delta/alpha dominance in Fireship’s reading indicated low alertness, not the focused gamma state optimal for coding.
• Neurosity SDK exposes a Kinesis subscription API to trigger arbitrary callbacks on detected thoughts.
• The video frames this as a stepping stone toward brain-controlled software development, not a production workflow.

2025-11-12 · Watch on YouTube