Testing and QA: skills, plugins, subagents, slash commands and mcp servers

nestjs-patterns affaan-m skill Architectural guidelines for NestJS backends, covering modular directory layouts, DTO validation, and testing. Claude Code CX Codex Cursor +1 5,000installs golang-testing affaan-m skill A skill that gives your agent Go testing patterns: table-driven cases, subtests, benchmarks, fuzzing and coverage. Useful when you write tests and want idiomatic Go. Claude Code CX Codex Cursor +1 5,000installs e2e-testing affaan-m skill Playwright E2E testing patterns covering Page Object Model setup, CI/CD configuration, flaky test quarantine, and artifact capture. Claude Code CX Codex Cursor +1 5,000installs fastapi-patterns affaan-m skill Provides production patterns for FastAPI, including Pydantic v2 schemas, async dependencies, and service layers. Useful when writing or reviewing API architectures. Claude Code CX Codex Cursor +1 4,900installs browser-qa affaan-m skill Drives a live page through a browser MCP: console errors, Core Web Vitals, forms, screenshots at three widths and axe-core. Ends with a SHIP or DO NOT SHIP verdict. Claude Code CX Codex Cursor +1 4,900installs python-testing affaan-m skill A pytest skill for Python testing with TDD, fixtures, mocks, parametrization, and coverage checks. Use it when building or reviewing test suites. Claude Code CX Codex Cursor +1 4,900installs jira-integration affaan-m skill Connects coding agents to Jira using an MCP server or direct REST calls. It extracts acceptance criteria, updates statuses, and posts comments during development. Claude Code CX Codex Cursor +1 4,900installs blender-motion-state-inspection affaan-m skill Inspects Blender characters and retargeted animations using bone coordinates and scene geometry instead of guesswork from screenshots. Claude Code CX Codex Cursor +1 4,900installs verification-loop affaan-m skill Runs a session's work through six phases — build, types, lint, tests with coverage, secret grep, diff review — and prints a PASS/FAIL report. Claude Code CX Codex Cursor +1 4,900installs dotnet-best-practices official github skill Guides reviews and edits of selected .NET/C# code with project rules for structure, DI, tests, logging and security. Use it when changing an existing solution. GitHub Copilot 15,752installs next-partial-prefetching-optimizer vercel skill Tunes Next.js 16.3+ client link prefetching under Partial Prefetching. Balances instant navigation against deferred data reads before the user clicks. Claude Code CX Codex Cursor +1 2,300installs ai-research-reproduction lllllllama skill This skill guides a repository-grounded reproduction run from its README to an evidence bundle. Use it to test a documented model run without quietly changing the experiment. Claude Code CX Codex Cursor +1 335,300installs kotlin-coroutines-flows affaan-m skill This skill covers Kotlin Coroutines and Flow patterns for Android and KMP. Use it when handling cancellation, concurrent work, reactive state, or tests. Claude Code CX Codex Cursor +1 4,800installs laravel-tdd affaan-m skill Guides test-driven development in Laravel using PHPUnit or Pest. Provides templates for model factories, Eloquent checks, and HTTP feature tests. Claude Code CX Codex Cursor +1 4,800installs chrome-devtools official github skill Controls a live Chrome browser through Chrome DevTools MCP for page actions, debugging, and performance traces. Use it when an agent needs to inspect a web interface. GitHub Copilot 15,258installs cpp-testing affaan-m skill This skill walks the agent through the red-green-refactor loop for C++17/20 tests and sets up GoogleTest with CMake/CTest. Useful when tests fail or flake. Claude Code CX Codex Cursor +1 4,700installs django-tdd affaan-m skill Sets up TDD workflows for Django and DRF using pytest-django and factory_boy. Useful when building test suites for models, serializers, and APIs. Claude Code CX Codex Cursor +1 4,700installs eval-harness affaan-m skill A skill for eval-driven development: it sets pass/fail criteria before you write code and tracks agent reliability with pass@k and pass^k. Claude Code CX Codex Cursor +1 4,700installs ui-demo affaan-m skill Records demo videos of a web app with Playwright: visible cursor, steady pacing, a story-shaped flow. Handy for onboarding clips and stakeholder walkthroughs. Claude Code CX Codex Cursor +1 4,700installs bun-runtime affaan-m skill A skill that tells your agent when to pick Bun over Node, plus the commands for install, tests and Vercel deploys. Claude Code CX Codex Cursor +1 4,700installs react-testing affaan-m skill A skill for writing React component, hook and page tests with React Testing Library, Vitest or Jest, MSW network mocks and axe accessibility assertions. Claude Code CX Codex Cursor +1 4,700installs agentic-engineering affaan-m skill Establishes protocols for agent-led workflows: breaks work into 15-minute verifiable units, enforces eval-first testing, and routes tasks between Haiku, Sonnet, and Opus. Claude Code CX Codex Cursor +1 4,700installs windows-desktop-e2e affaan-m skill Generates and debugs E2E tests for native Windows desktop applications using pywinauto and Windows UI Automation. Works with WPF, WinForms, Win32, and Qt. Claude Code CX Codex Cursor +1 4,600installs kotlin-testing affaan-m skill A skill that gives your agent Kotlin testing patterns: Kotest specs, MockK mocks, coroutine and property-based tests, Kover coverage. Useful when you write tests TDD-style. Claude Code CX Codex Cursor +1 4,600installs agent-introspection-debugging affaan-m skill Provides a structured self-debugging loop for AI agent runs that loop on tools, hit context limits, or fail repeatedly. Replaces blind retries with systematic diagnosis. Claude Code CX Codex Cursor +1 4,600installs ai-regression-testing affaan-m skill A skill for regression testing code that AI wrote. Catches the bugs a model misses when it reviews its own work. Claude Code CX Codex Cursor +1 4,600installs springboot-tdd affaan-m skill A Spring Boot TDD workflow that starts with failing tests, then implementation and refactoring. Use it for features, bug fixes, and API work. Claude Code CX Codex Cursor +1 4,600installs laravel-verification affaan-m skill Runs a Laravel project through phases: environment, lint, static analysis, tests with coverage, dependency audit and deploy readiness. Use it before a PR or a release. Claude Code CX Codex Cursor +1 4,600installs playwright-explore-website official github skill Explores a website through Playwright MCP, records user flows, and proposes test cases. Use it when you need a starting point for UI testing. GitHub Copilot 14,792installs stripe-best-practices stripe skill This skill guides Stripe API choices, payment flows, and integration security. Use it when building, testing, or reviewing Stripe code. Claude Code CX Codex Cursor +1 97,800installs angular-developer affaan-m skill Scaffolds Angular code tailored to your project version, guides reactivity with Signals, and verifies builds with the CLI. Claude Code CX Codex Cursor +1 4,500installs benchmark affaan-m skill This skill measures page, API, and build performance, then compares results before and after a change. Use it to check a release or investigate reports that a page feels slow. Claude Code CX Codex Cursor +1 4,500installs api-connector-builder affaan-m skill This skill builds an API connector by following the target repository’s existing integration pattern. Use it when a new provider should fit the current architecture. Claude Code CX Codex Cursor +1 4,500installs agent-eval affaan-m skill Compares AI coding agents head-to-head on custom tasks using pass rate, cost, and time metrics. Helps teams select tools based on benchmarks instead of impressions. Claude Code CX Codex Cursor +1 4,500installs springboot-verification affaan-m skill This skill runs a Spring Boot verification loop covering builds, code analysis, tests, security scans, and diff review. Use it before a PR or deployment. Claude Code CX Codex Cursor +1 4,500installs ai-first-engineering affaan-m skill Sets team process, review gates and architecture rules for codebases where AI agents produce most of the implementation. Claude Code CX Codex Cursor +1 4,500installs django-verification affaan-m skill Runs a 12-phase Django verification loop: environment, linters, migrations, pytest coverage, security scans and diff review. Built for pre-PR and pre-deploy checks. Claude Code CX Codex Cursor +1 4,500installs solana-dev Solana Foundation skill Skill for building Solana dApps, writing Anchor smart contracts, managing wallets and transactions. Covers setup, testing, and devnet deployment end-to-end. Claude Code CX Codex Cursor +1 98,300installs skill-comply affaan-m skill Tests whether agents follow supplied skills, rules, and definitions. Use it to inspect behavior after adding or changing agent instructions. Claude Code CX Codex Cursor +1 4,400installs csharp-testing affaan-m skill A skill that gives your agent C# and .NET testing patterns: xUnit, FluentAssertions, mocks, integration tests. Claude Code CX Codex Cursor +1 4,400installs