Lint Python Packages

yamllint

A linter for YAML files.

pathvalidate

A Python library to sanitize/validate a string such as filenames/file-paths/etc.

gitlint-core

Linting for your git commit messages

lintrunner-adapters

Adapters and tools for lintrunner

nbqa

Run ruff, isort, pyupgrade, mypy, pylint, flake8, and more on Jupyter Notebooks

gitlint

Linting for your git commit messages

flake8-broken-line

🚨 Flake8 plugin to forbid backslashes (\) for line breaks

sphinx-lint

Check for stylistic and formal issues in .rst and .py files included in the documentation

cpplint

Linter for C++ based on Google's style guide

absolufy-imports

Automatically convert relative imports to absolute

flake8-pyi

A plugin for Flake8 that provides specializations for type hinting stub files

flake8-picky-parentheses

flake8 plugin to check for redundant parentheses

njsscan

njsscan is a semantic aware SAST tool that can find insecure code patterns in your Node.js applications.

editorconfig-checker

A tool to verify that your files are in harmony with your .editorconfig

flake8-pie

:pizza: A flake8 extension that implements misc. lints

blinter

Blinter is a linter for Windows batch files. It provides comprehensive static analysis to identify syntax errors, security vulnerabilities, performance issues and style problems.

cohesion

A tool for measuring Python class cohesion.

thailint

Catch the mistakes AI coding assistants keep making. A multi-language linter for AI-generated code: duplicate code, deep nesting, magic numbers, SRP violations and more, across Python, TypeScript, JavaScript and Rust.

mllint

`mllint` is a command-line utility to evaluate the technical quality of Python Machine Learning (ML) projects by means of static analysis of the project's repository.

yamlfixer-opt-nc

Automates the fixing of problems reported by yamllint by parsing its output

python-dev-tools

Needed and up-to-date tools to develop in Python

numdoclint

Numdoc Lint provides features such as NumPy style docstring code checking.

rpmlint

Tool for checking common errors in rpm packages

polylint

Universal zero-dependency linter and formatter. One pure-Rust binary (poly) that lints and formats ~30 languages in-process — ruff, oxc, biome, mago and more compiled in — with a tree-sitter tier for the long tail. One config, git hooks, and an MCP server for agents.