#linter

💎 Code quality CLI for universal linting, auto-formatting, security scanning, and maintainability

Laravel Pint is an opinionated PHP code style fixer for minimalists.

Inspects Python source files and provides information about type and location of classes, methods etc

Fast Markdown linter and formatter written in Rust

TOML Formatter / Linter / Language Server

High-performance, ESLint-compatible linter for JavaScript and TypeScript.

Enforce Architecture Decision Records as executable rules — for both humans and AI agents

Mago is a toolchain for PHP that aims to provide a set of tools to help developers write better code.

🐊 Pluggable and configurable JavaScript Linter, code transformer and formatter with superpowers 💪: built-in support of js, jsx, ts, markdown, yaml, toml, json and ignore. Write declarative codemods in a simplest possible way 😏

Automatic documentation generator for ESLint plugins and rules.

Fast SQL formatter/linter

A RuboCop extension focused on enforcing Rails best practices and coding conventions.

A collection of SCSS specific linting rules for Stylelint

Real-time code feedback for pi — LSP, linters, formatters, structural analysis

A Github Action for linting C/C++ code integrating clang-tidy and clang-format to collect feedback provided in the form of file-annotations, thread-comments, workflow step-summary, and Pull Request reviews.

Sophisticated static program analysis framework for the R programming language.

This is a mirror of https://codeberg.org/fsfe/reuse-tool

🚫💩 — Run tasks like formatters and linters against staged git files

Your agent writes bad React. This catches it

Lint your Python architecture.

Blazing fast Vue.js Toolchain. Compiler, Linter, Type Checker, Formatter, LSP, Story System, Editor Extensions. This already passed 13k+ test suites, includes real world E2E.

:pencil: A markup-aware linter for prose built with speed and extensibility in mind.

The missing linter and lsp for AI coding assistants. Validate CLAUDE.md, AGENTS.md, SKILL.md, hooks, MCP. Plugin for all major IDEs included, with autofixes.

A lightning fast shell linter/formatter/LSP server

A highly opinionated, zero-configuration linter and formatter.

A framework for managing and maintaining multi-language pre-commit hooks.

Catch the slop AI coding agents leave in your code: narrative comments, swallowed exceptions, as-any casts, dead code, oversized functions. 50+ rules across 8 languages (TypeScript, JavaScript, Python, Go, Rust, Ruby, PHP). Sub-second, deterministic, no LLM at runtime. MIT-licensed.

Fast YAML linter written in Rust (drop in replacement for yamllint - but with additional rules and features)