An extremely fast Python linter and code formatter, written in Rust.
- linter
- pep8
- python
- python3
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⚡A CLI tool for code structural search, lint and rewriting. Written in Rust
Dockerfile linter, validate inline bash, written in Haskell
- dockerfile
- linter
- shellcheck
- haskell
Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.
❤️ JavaScript/TypeScript linter (ESLint wrapper) with great defaults
Configurable tool for writing clean, consistent SCSS
Mago is a toolchain for PHP that aims to provide a set of tools to help developers write better code.
- code-analyzer
- code-style
- coding-standards
- formatter
An agent-first linter for Tailwind design systems. Write design system rules that agents can verify.
⚡️Lightning-fast linter for .env files. Written in Rust 🦀
A linter and formatter to help you to improve copywriting, correct spaces, words, and punctuations between CJK (Chinese, Japanese, Korean).
Fast Markdown linter and formatter written in Rust
A CSS bookmarklet that puts pink error boxes (with messages in comic sans) everywhere you write bad HTML.
A blazing-fast modern Lua linter written in Rust
- hacktoberfest
Lint the rendered UI: catches overflowing text, low contrast, overlaps, broken responsive layouts, emoji icons and more in any web framework. Built for AI coding agents.
- accessibility
- ai-agents
- claude-code
- contrast
ESLint plugin for Playwright
- jest
- playwright
- eslint
- eslint-plugin
A Go linter to check that errors from external packages are wrapped
- go
- go-linter
- error
- check
🔍 Firefox Add-ons linter, written in JavaScript. 👁
- web-extensions
- cli
Lightweight Dockerfile linter that helps you write better Dockerfiles. Get instant feedback with quality scores, security checks, and 60+ best practice rules.
English, rewritten in Rust: grammar as trait bounds, pronouns as borrows, and englishc, a compiler with rustc-style diagnostics for prose
A tool to aid you in writing clean and consistent Less.