linter

An extremely fast Python linter, written in Rust.

Static checker for GitHub Actions workflow files

Multi-format syntax validator CLI and MCP server.

oxlint is a blazing-fast JavaScript and TypeScript linter that is 50–100× faster than ESLint. It is designed to catch erroneous or useless code without requiring any configurations by default.

Fast YAML linter inspired by yamllint

Find bugs in JavaScript programs.

TOML Formatter / Linter / Language Server

Dockerfile linter and formatter with first-class PowerShell and Windows container support.

A fast Markdown linter and formatter written in Rust.

A syntax-aware linter for prose built with speed and extensibility in mind.

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

A fast and polyglot tool for code searching, linting, rewriting at large scale.

Biome is a toolchain for web projects, aimed at providing functionalities to maintain them. It offers a formatter and linter, usable via CLI and LSP.

ShellCheck, a static analysis tool for shell scripts

Dockerfile linter, validate inline bash, written in Haskell

Fast linters Runner for Go