Testing Qa AI Skills

Analyzes test coverage data (Istanbul, c8, lcov) to identify uncovered lines, branches, and functions with risk-weighted gap detection. Use when analyzing coverage reports, identifying coverage gaps,…

Testing: TDD, E2E, preferred patterns, test-value audits, verification, agent testing.

Provides unit test, integration test, and mock AI patterns for LangChain4j applications. Creates mock LLM responses, tests retrieval chains, validates RAG workflows, and implements…

Use when running Playwright via terminal CLI — `npx playwright test` (test runner), `codegen` (interactive recording), `screenshot` / `pdf` (one-off captures), and CI sharding. NOT for agent-driven…

Use when writing tests, setting up test frameworks, implementing mocking strategies, or establishing testing best practices (unit, integration, E2E) across any technology stack.

Use this skill when you need to select boundary and near-boundary candidates from sourced value, length, time, and resource constraints; triggers include 边界值分析 and boundary value test design.

Modern cloud-scale load testing using Artillery.io for HTTP, WebSocket, Socket.io, and custom protocol testing with YAML-based test definitions.

Safe-release techniques DURING rollout: feature flags, progressive rollouts, canary analysis, guardrail metrics, production smoke tests, and synthetic users. Bridges QA and SRE practices. Use when:…

Review full-stack code for bugs, security vulnerabilities, performance issues, accessibility gaps, and CLAUDE.md compliance. Enforces TypeScript strict mode, input validation, GPU-accelerated…

Improving usability, interaction quality, cognitive load reduction, feedback design, and a11y compliance. Use when improving UX usability or interaction feel.

Guides the agent through authoring and validating agent skills. Use when creating new skill directories, tightening skill metadata, extracting supporting references, or preparing skillgrade evals. Do…

Drive and inspect terminal applications programmatically. Use for TUI testing, visual regression, debugging rendering issues, and automating interactive CLI tools. Provides snapshot capture,…

Establish what a frontend project actually uses — framework, router, package manager, styling, component layer, TypeScript posture — from package.json, lockfiles, config files and the source itself,…

Use when designing or reviewing production reliability for APIs, SaaS platforms, background jobs, distributed workflows, mobile backends, or AI-enabled systems. Covers timeout and retry policy,…

Report-only QA testing. (gstack)

Vision-language pre-training framework bridging frozen image encoders and LLMs. Use when you need image captioning, visual question answering, image-text retrieval, or multimodal chat with…

Testing patterns and principles. Unit, integration, mocking strategies.

Run the test suite for the current repo, auto-detecting Python (pytest/uv), Node (vitest/pnpm), or Rust (cargo test)

Iterative PDCA cycle for systematic experimentation and continuous improvement

For a code change, pick the right test tier by change surface, run apc test with baseline diff, and report only NEW reds vs baseline back to the task's acceptance criterion. Separates env_blocked from…

Execute plans via delegate_task subagents (2-stage review).

Use when running Salesforce Lightning Preview for an app or a single LWC component to extract the runtime DOM for inspection. TRIGGER when the user says "preview an LWC locally", "run sf lightning…

Optimize Google Shopping campaigns and product feeds for maximum visibility and ROAS. Feed optimization, bidding strategy, campaign structure, and Performance Max integration.

Trigger the on-demand E2E / Coin Tester CI workflows (Desktop E2E, Mobile E2E, Coin Tester) on a branch and post a PR comment. Use when asked to "run e2e", "trigger e2e on CI", or "run coin testers"…

Runs automated tests to validate plugin integrity across 14 categories. Use before creating PRs, after making changes to skills or templates, or to verify plugin health.

Master Bash Automated Testing System (Bats) for comprehensive shell script testing. Use when writing tests for shell scripts, CI/CD pipelines, or requiring test-driven development of shell utilities.

Best practices and reference for Playwright Test (E2E). Covers how to write tests, avoiding fixed waits, network triggers, DnD, shard/retry setup on GitHub Actions, and more. Use when writing,…

Write and run Artillery load tests with YAML phases and scenarios, CSV data payloads, the expect plugin for functional checks, and ensure thresholds that fail CI when latency or error budgets are…

Selecting and dispatching the right Ring developer specialist agent (backend Go/TS, frontend, UI designer/engineer, Helm, frontend QA, prompt reviewer) for a technology task. Use when you need deep…

Write effective unit tests with Jest, Vitest, or pytest. Covers the test-doubles taxonomy (stub/spy/mock/fake), Arrange-Act-Assert, coverage threshold configuration and CI gating, snapshot testing,…

Tester T1/T2/T3 编排与门禁：子 skill 路由、Issue 评论拼接材料、BLOCKED 中断名单。整合 acceptance-verifier-squad；@Tester 首选挂载。

Load when a task needs one-off local web app inspection with Playwright, screenshots, console logs, or UI issue reproduction against a dev server; use e2e-testing for durable suites.

Work inside an existing Tailwind codebase without degrading it — use the project's theme tokens instead of arbitrary values, extend the theme when a token is genuinely missing, extract repetition into…

Test Temporal workflows with pytest, time-skipping, and mocking strategies. Covers unit testing, integration testing, replay testing, and local development setup. Use when implementing Temporal…

Django testing strategies with pytest-django, TDD methodology, factory_boy, mocking, coverage, and testing Django REST Framework APIs.

Use only when the user explicitly asks for TDD, a failing test, or a regression test, OR when the bug has an obvious cheap local test target. Skip when the test path is unclear, expensive,…

Identify underserved market gaps and unmet customer needs in e-commerce. Analyzes competitor blind spots, review pain points, search demand without adequate supply, and emerging customer segments.

Run unit tests scoped to files changed in the current branch. Use when the user asks to run tests, validate changes, or before a PR.

Runs autonomous red-green-refactor loops to fix failing tests, reach coverage targets, and satisfy quality gates. Use when tests need to pass, coverage thresholds must be met, quality gates require…

React specialist perspective for the weekly review. Focuses on hooks discipline, re-rendering, Suspense / RSC, and Context design. Opinionated on React idioms.

Comprehensive website auditing skill using Lighthouse, PageSpeed Insights, and web performance APIs to audit performance, accessibility, SEO, best practices, and security.

Implement visual regression testing with Playwright screenshots, Chromatic, Percy, and Argos CI. Covers baseline management, diff threshold tuning, dynamic content masking, responsive viewport…

Diagnose and optimize existing slow SQL queries using execution plans, indexing strategies, query rewriting, and ORM tuning. Use when the user provides a query, performance symptom, or EXPLAIN plan;…

Check premium specs before implementation.

Testing and benchmarking LLM agents including behavioral testing, capability assessment, reliability metrics, and production monitoring—where even top agents achieve less than 50% on re...

Guide feature development for full-stack applications with architecture focus. Covers Next.js App Router patterns, NestJS backend services, database models, data workflows, and seamless integration.…

React Native and Expo development guide covering components, styling, animations, navigation, state management, forms, networking, performance optimization, testing, native capabilities, and…

Prove a UI looks right across every state and viewport it has to survive — enumerate the state matrix, make captures deterministic, compare against a baseline captured the same way, and triage every…

Write and evaluate effective Python tests using pytest. Use when writing tests, reviewing test code, debugging test failures, or improving test coverage. Covers test design, fixtures,…

Critical-path smoke gate before QA hand-off — runs the automated suite. A failed check means the build is not QA-ready.

Identify likely causal variants within GWAS loci using SuSiE for sum of single effects regression and FINEMAP for shotgun stochastic search. Computes posterior inclusion probabilities and credible…