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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

1.6M 1K 152
sixty-north
cosmic-ray

Mutation testing for Python

251K 632 71
sumithr
sumo-qa

Senior-QA-shaped MCP server + skills library: pre-coding QA planning, TDD scaffolding, mutation-testing follow-up, code review, test-data discovery. Iron-Law-enforced workflows for Claude Code, Cursor, Codex, OpenCode, JetBrains, VS Code + Copilot.

11K 1 0
mutpy
mutpy

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

9K 363 53
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.

8K 102 21
teilomillet
ordeal

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

8K 1 0
agroce
universalmutator

Regexp based tool for mutating generic source code across numerous languages

5K 155 49
agroce
muttfuzz

Fuzzing with mutants

3K 10 3
nwyin
irradiate

Fast mutation testing for Python, written in Rust

1K 4 0
boxed
interlock-mutmut

Mutation testing system

1K 1K 152
muteria
muteria

Software Analysis and Testing Framework

1K 7 0
WiredNerd
poodle

Effecient Mutation Testing for Python

1K 4 0
boxed
interlocks-mutmut

Mutation testing system

935 1K 152
mohrez86
pyllmut

An LLM-driven mutant generator library for Python

922 2 0
jguida941
cihub

Centralized CI/CD orchestration hub for multi-repository pipelines

781 3 0
sakost
fest-mutate

Rust cli for blazing fast mutation-testing on Python

775 11 0
joranhonig
eth-vertigo

Mutation Testing for Ethereum Smart Contracts

583 206 42
squaresLab
boggart

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

482 2 1
Rowusuduah
llm-sentry

Unified AI Reliability Platform. One install, 12 diagnostic engines. Zero-dependency LLM pipeline monitoring.

359 0 0
codeintegrity-ai
mutahunter

Open Source, Language Agnostic Mutation Testing

243 296 26
phihos
django-mutpy

Django integration for the mutation testing framework MutPy.

190 14 3
WiredNerd
poodle-test

Mutation Testing Tool

158 4 0
sixty-north
cosmic-ray-celery3-engine

Mutation testing for Python

77 632 71
sixty-north
cosmic-ray-nose-runner

Mutation testing for Python

1 632 71
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