mdskills

Testing & QA skills

Unit, integration, E2E, Playwright, Jest, Cypress, code quality. All free to download, install any skill with one command.

125 skills in Testing & QA

Bear Notes Claude Extension (aka MCP Bundle)

Skill

Check code style compliance. Use when asked to validate code style, check naming conventions, review comments quality, or ensure file naming follows conventions. Works on whole codebase or specific changes (branch, PR, uncommitted).

6.03931by vasylenko

UI Visual Validator

Skill

Rigorous visual validation expert specializing in UI testing,

8.014k1by sickn33

Privilege Escalation Methods

Skill

This skill should be used when the user asks to "escalate privileges", "get root access", "become administrator", "privesc techniques", "abuse sudo", "exploit SUID binaries", "Kerberoasting", "pass-the-ticket", "token impersonation", or needs guidance on post-exploitation privilege escalation for Linux or Windows systems.

8.014k1by sickn33

PROJECT HAS BEEN SUNSET ⚠️

Skill

operative.sh's MCP Server launches a browser-use powered agent to autonomously execute and debug web apps directly in your code editor. - 🌐 Navigate your webapp using BrowserUse (2x faster with operative backend) - 📊 Capture network traffic - requests are intelligently filtered and returned into the context window - 🚨 Collect console errors - captures logs & errors - 🤖 Autonomous debugging - t

3.01.4k1by Operative-Sh

API Fuzzing for Bug Bounty

Skill

This skill should be used when the user asks to "test API security", "fuzz APIs", "find IDOR vulnerabilities", "test REST API", "test GraphQL", "API penetration testing", "bug bounty API testing", or needs guidance on API security assessment techniques.

8.014k1by sickn33

Linux Production Shell Scripts

Skill

This skill should be used when the user asks to "create bash scripts", "automate Linux tasks", "monitor system resources", "backup files", "manage users", or "write production shell scripts". It provides ready-to-use shell script templates for system administration.

8.014k1by sickn33

Test Automator

Skill

Master AI-powered test automation with modern frameworks,

7.014k1by sickn33

Claude Debugs For You

Skill

aka Vibe Debugging This is an MCP Server and VS Code extension which enables claude to interactively debug and evaluate expressions. That means it should also work with other models / clients etc. but I only demonstrate it with Claude Desktop and Continue here. It's language-agnostic, assuming debugger console support and valid launch.json for debugging in VSCode. 1. Download the extension from re

8.08861by jasonjmcghee

Sloc Cloc and Code (scc)

Skill

A tool similar to cloc, sloccount and tokei. For counting the lines of code, blank lines, comment lines, and physical lines of source code in many programming languages. Goal is to be the fastest code counter possible, but also perform COCOMO calculation like sloccount, LOCOMO estimation for LLM-based development costs, estimate code complexity similar to cyclomatic complexity calculators and prod

6.88.5k1by boyter

HTML Injection Testing

Skill

This skill should be used when the user asks to "test for HTML injection", "inject HTML into web pages", "perform HTML injection attacks", "deface web applications", or "test content injection vulnerabilities". It provides comprehensive HTML injection attack techniques and testing methodologies.

8.014k1by sickn33

Wiki QA

Skill

Answers questions about a code repository using source file analysis. Use when the user asks a question about how something works, wants to understand a component, or needs help navigating the codebase.

7.014k1by sickn33

Firmware Analyst

Skill

Expert firmware analyst specializing in embedded systems, IoT

8.014k1by sickn33

IDEA Claude Code GUI Plugin

Skill

English · 简体中文 ![][github-contributors-shield] ![][github-forks-shield] ![][github-stars-shield] ![][github-issues-shield] A powerful IntelliJ IDEA plugin that provides a visual interface for Claude Code and OpenAI Codex dual AI tools, making AI-assisted programming more efficient and intuitive. - Claude Code - Anthropic's official AI programming assistant, supporting Opus 4.5 and other models - O

7.01.6k1by zhukunpenglinyutong

Writing Skills

Skill

Use when creating, updating, or improving agent skills.

8.014k1by sickn33

Windows Privilege Escalation

Skill

This skill should be used when the user asks to "escalate privileges on Windows," "find Windows privesc vectors," "enumerate Windows for privilege escalation," "exploit Windows misconfigurations," or "perform post-exploitation privilege escalation." It provides comprehensive guidance for discovering and exploiting privilege escalation vulnerabilities in Windows environments.

8.014k1by sickn33

Shellcheck Configuration

Skill

Master ShellCheck static analysis configuration and usage for shell script quality. Use when setting up linting infrastructure, fixing code issues, or ensuring script portability.

9.014k1by sickn33

File Path Traversal Testing

Skill

This skill should be used when the user asks to "test for directory traversal", "exploit path traversal vulnerabilities", "read arbitrary files through web applications", "find LFI vulnerabilities", or "access files outside web root". It provides comprehensive file path traversal attack and testing methodologies.

8.014k1by sickn33

Context CLI

Skill

Lint any URL for LLM readiness. Get a 0-100 score for token efficiency, RAG readiness, agent compatibility, and LLM extraction quality. Context CLI is an LLM Readiness Linter that checks how well a URL is structured for AI consumption. As LLM-powered search engines, RAG pipelines, and AI agents become primary consumers of web content, your pages need to be optimized for token efficiency, structure

8.04011by hanselhansel

Agent Orchestration Improve Agent

Skill

Systematic improvement of existing agents through performance analysis, prompt engineering, and continuous iteration.

8.014k1by sickn33

LLM Evaluation

Skill

LLM evaluation and testing patterns including prompt testing, hallucination detection, benchmark creation, and quality metrics. Use when testing LLM applications, validating prompt quality, implementing systematic evaluation, or measuring LLM performance.

7.03931by applied-artificial-intelligence

Lint And Validate

Skill

Automatic quality control, linting, and static analysis procedures. Use after every code modification to ensure syntax correctness and project standards. Triggers onKeywords: lint, format, check, validate, types, static analysis.

8.014k1by sickn33

Tdd Workflows Tdd Red

Skill

Generate failing tests for the TDD red phase to define expected behavior and edge cases.

9.014kby sickn33

KDB - The Kindly Debugger ✨

Skill

✨ KDB - The Kindly Debugger ✨ Give your AI the superpower of traveling back in time to find what went wrong and fix the timeline. 🌐 Website • 🎉 Start Free • Follow the prompts to sign in with Google and auto-configure your MCP client. Add to your MCP client config (Claude Code, Cursor, etc.): That's it! 🎊 Ask your AI: "Debug my crashing program" Time-travel debugging for AI workflows. Step forw

8.0400by kindly-software

Data Engineering Data Driven Feature

Skill

Build features guided by data insights, A/B testing, and continuous measurement using specialized agents for analysis, implementation, and experimentation.

8.014kby sickn33