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A linter and formatter to help you to improve copywriting, correct spaces, words, and punctuations between CJK (Chinese, Japanese, Korean).
PHP_CodeSniffer tokenizes PHP files and detects violations of a defined set of coding standards.
- automation
- cli
- coding-standards
- php
Markdown linting and style checking for Visual Studio Code
✔️ PHP Architecture Tester - Easy architecture testing for PHP
- php
- static-analysis
- testing
- architecture
:vertical_traffic_light: Check your GraphQL query strings against a schema.
plugins to check (lint) markdown code style
- remark
- remark-lint
- markdown
- lint
lints and suggestions for the nix programming language
A CSS bookmarklet that puts pink error boxes (with messages in comic sans) everywhere you write bad HTML.
A RuboCop extension focused on enforcing Rails best practices and coding conventions.
- ruby
- rubocop
- linter
- static-code-analysis
plpgsql_check is a linter tool (does source code static analyze) for the PostgreSQL language plpgsql (the native language for PostgreSQL store procedures).
- plpgsql
- postgresql
- extension
- c
An extension of RuboCop focused on code performance checks.
- ruby
- rubocop
- linter
- static-code-analysis
Universal toolkits for linting, viewing and managing i18n for any frameworks.
Detect non-inclusive language in your source code.
- inclusive
- inclusive-language
- linter
- golang
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.
🔍 Firefox Add-ons linter, written in JavaScript. 👁
- web-extensions
- cli
Beat your package expressions into a shape
The CLI for working with JSON Schema. Covers formatting, linting, testing, bundling, and more for both local development and CI/CD pipelines
- json
- json-schema
- jsonschema
- openapi
Lightweight Dockerfile linter that helps you write better Dockerfiles. Get instant feedback with quality scores, security checks, and 60+ best practice rules.
PHPCheckstyle is an open-source tool that helps PHP programmers adhere to certain coding conventions.
- php
- coding-conventions
- phpcheckstyle
- checkstyle
Flake8 Type Annotation Checking
- python
- python3
- flake8-plugin
- type-annotations
English, rewritten in Rust: grammar as trait bounds, pronouns as borrows, and englishc, a compiler with rustc-style diagnostics for prose
Flake8 plugin for managing type-checking imports & forward references.
- flake8-plugin
- flake8
- typing
- flake8-extensions
Linter for dangerous Postgres migration patterns in Diesel and SQLx. Prevents downtime caused by unsafe schema changes.
- rust
- postgresql
- linter
- zero-downtime