code-quality

PHP_Depend is an adaptation of the established Java development tool JDepend. This tool shows you the quality of your design in terms of extensibility, reusability and maintainability.

Open source project for data preparation for GenAI applications

Code analyzer for C# and VB.NET projects

🐰 Bencher - Continuous Benchmarking

undercover warns about methods, classes and blocks that were changed without tests, to help you easily find untested code and reduce the number of bugs. It does so by analysing data from git diffs, code structure and SimpleCov coverage reports

Blazingly fast cognitive complexity analysis for Python, written in Rust.

Codebase intelligence for AI. Detects patterns & conventions + remembers decisions across sessions. MCP server for any IDE. Offline CLI.

An old coder's strategy for the agent era: don't read the code — make it run the gauntlet. Evidence-first development skill for coding agents, inspired by Uncle Bob.

Development workflows for Claude Code that keep broad exploration focused on the outcome you approved.

Explain yourself! Interrogate a codebase for docstring coverage.

Open source local-first PR scanner that finds dead code, security bugs, secrets, quality regressions, and AI-code mistakes before merge. For first timers refer to https://duriantaco.github.io/skylos/repo-map/

SonarQube plugin for JetBrains IDEs providing code quality and security feedback directly in the IDE

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

Official SonarQube MCP Server for code quality and security in AI agents

SonarQube extension for Visual Studio Code providing code quality and security feedback directly in the editor

A GitHub :octocat: app to automatically review Python code style over Pull Requests

CodeCompass is a software comprehension tool for large scale software written in C/C++, C# and Python.

Catch and fix the code-quality issues AI coding agents leave behind - dead code, unsafe casts, swallowed errors, duplication, security risks, and more. 50+ deterministic rules across 10 language targets, with CLI, CI, and GitHub Actions. No LLM at runtime. MIT.

🚀 AI-powered code review tool for GitHub, GitLab, Bitbucket Cloud, Bitbucket Server, Azure DevOps and Gitea — built with LLMs like OpenAI, Claude, Gemini, Ollama, Bedrock, OpenRouter and Azure OpenAI

A static code analysis tool for Crystal

A SkunkScore Calculator for Ruby Code -- Find the most complicated code without test coverage!

Find issues worth your attention.

AI-powered architecture analysis and code intelligence. Detects circular deps, layer violations, dead modules, and more. Web UI + CLI.

Coveralls Github Action

Embedding-based code duplication detector

Local codebase intelligence CLI + MCP server for AI coding agents: SQLite code graph, 28 languages, 287 commands, 246 MCP tools, change-safety gates, audit evidence, zero API keys.

Adversarial AI bug hunter with auto-fix skill for Claude Code, Cursor, Codex CLI, GitHub Copilot CLI, Kiro CLI, Opencode, Pi Coding Agent, and more. Multi-agent pipeline finds security vulnerabilities, logic errors, and runtime bugs — then fixes them autonomously on a safe branch.

SonarQube extension for Visual Studio providing code quality and security feedback directly in the IDE