PyRank

Mutation Testing Python Packages

Python packages with the GitHub topic mutation-testing. Sorted by relevance, with stars and monthly downloads.
boxed
mutmut

Mutation testing system

2.3M 1K 156
sixty-north
cosmic-ray

Mutation testing for Python

350K 638 71
sumithr
sumo-qa

MCP server that brings senior-QA discipline to AI coding assistants — test planning, TDD, mutation testing, code review.

20K 4 1
mutpy
mutpy

MutPy is a mutation testing tool for Python 3.x source code

10K 364 54
teilomillet
ordeal

Automated chaos testing for Python — fault injection, property assertions, and stateful exploration

10K 2 0
EvanKepner
mutatest

Python mutation testing: test your tests! Safely run mutation trials without source code modifications and see what will get past your test suite.

9K 103 22
agroce
universalmutator

Regexp based tool for mutating generic source code across numerous languages

7K 155 49
mohrez86
pyllmut

An LLM-driven mutant generator library for Python

5K 3 0
agroce
muttfuzz

A tool for meta-fuzzing using program mutants

2K 10 3
nwyin
irradiate

Fast mutation testing for Python, written in Rust

2K 4 0
WiredNerd
poodle

Effecient Mutation Testing for Python

2K 5 0
jeremylongshore
intent-audit-harness

Deterministic test-policy enforcement and AI-proof containment for source repo quality gates. Hash-pins engineer-owned testing config so AI-proposed threshold weakening is blocked at pre-commit. Includes escape-scan, CRAP, architecture, bias, and Gherkin-lint gates.

2K 1 0
muteria
muteria

Software Analysis and Testing Framework

951 7 0
jguida941
cihub

Stop writing YAML. CLI wizard configures 40+ CI tools (security, quality, mutation) for Java/Python in minutes. Run centrally or dispatch to repos. 3-tier config merge, profile system, multi-repo registry, and AI-powered triage. One hub, many repos, zero boilerplate.

918 3 0
sakost
fest-mutate

Rust cli for blazing fast mutation-testing on Python

818 13 0
joranhonig
eth-vertigo

Mutation Testing for Ethereum Smart Contracts

610 206 42
Rowusuduah
llm-sentry

Unified AI reliability platform. One install, 12 diagnostic engines. Continuous monitoring, fault diagnosis, and compliance for LLM pipelines.

380 0 0
squaresLab
boggart

WIP: Lightweight, extensible, language-independent mutation testing.

351 2 1
phihos
django-mutpy

Django integration for the mutation testing framework MutPy.

246 14 3
boxed
interlocks-mutmut

interlocks-published fork of mutmut for PyPI-only installs (no git required at install time).

244 1K 156
codeintegrity-ai
mutahunter

LLM Mutation Testing for any programming language

222 297 26
WiredNerd
poodle-test

Effecient Mutation Testing for Python

196 5 0
boxed
interlock-mutmut

interlock-published fork of mutmut for PyPI-only installs (no git required at install time).

130 1K 156
sixty-north
cosmic-ray-celery3-engine

Cosmic Ray execution engine that distributes execution via Celery 3.

115 638 71