INSERT COINv0.1Beta

Mutation testing,with AI aim-assist.

MutantZero understands your code's intent and generates mutations that matter — so you can chase a higher score without wasting a weekend.

SCOREBOARD
LIVE
92%
Mutation Score
Killed
1,148
mutants
Survived
100
to fix
Saved
47m
vs naive
ZapNext objective
L5
Quarantine the survivors.
AI-POWERED
150+ OPERATORS
TREE-SITTER PARSING
LOCAL-FIRST
PREDICTIVE SKIPPING
OPEN SOURCE
REAL-TIME FEEDBACK
DOCKER ISOLATION
AI-POWERED
150+ OPERATORS
TREE-SITTER PARSING
LOCAL-FIRST
PREDICTIVE SKIPPING
OPEN SOURCE
REAL-TIME FEEDBACK
DOCKER ISOLATION
Quick start
macOS • runs locally • cloud optional
brew install mutantzero/tap/mutantzero
TRUST & SAFETY

Your code stays yours.

Local-first architecture with optional cloud power-ups. No telemetry by default.

Lock
Local-first

Core workflow runs on your machine. No internet required.

Shield
Sandbox modes

Docker isolation for untrusted code. Choose speed vs. safety.

Terminal
Open source

Audit the code. Fork it. Run it air-gapped if you want.

Zap
Cloud optional

Opt-in compute for big runs. Pay only when you need scale.

READY?

Start hunting mutants.

Install MutantZero and run your first mutation test in under 5 minutes.