See the DNA of your codebase — which lines are human-written and which are AI-assisted.
CodeDNA tracks every edit in real time and classifies it as Human, AI-Generated, AI-Modified, or Ambiguous. All data stays on your machine — zero telemetry, zero cloud.
Features
Real-time status bar — Live H/AI ratio as you type
Gutter decorations — Color-coded line provenance (green=human, blue=AI, amber=modified)
Analytics dashboard — Today view, trends over time, per-file breakdown
AI tool detection — Automatically detects Claude Code, Cursor agent, Aider
Private by default — All data stored locally in SQLite, never transmitted
Quick Start
Install CodeDNA from the VS Code Marketplace
Start coding — the status bar shows your live ratio immediately
Run CodeDNA: Open Dashboard to see full analytics
Classification Logic
Event
Classification
Confidence
Keystroke within 200ms + small edit
Human
95%
Multi-line insertion without keystroke
AI-Generated
90%
Known AI process active + no keystroke
AI-Generated
85%
Human edit on AI-generated line
AI-Modified
80%
Everything else
Ambiguous
50%
Privacy
Zero source code storage — Only metadata is tracked (timestamps, line counts, classifications)
Zero network requests — No telemetry, no cloud sync
Local SQLite — All data stored in VS Code's extension storage directory