# Subagents for Testing and QA Subagents for Testing and QA: what each one does, an install command and example prompts. 75 cards · page 1 of 2 - HTML: https://affpapa.org/en/nevibecode/agents/topic/testing - Instructions for agents: https://affpapa.org/en/nevibecode/agents.md - [code-reviewer](https://affpapa.org/en/nevibecode/agents/anthropic-code-reviewer.md) — subagent (official Anthropic) · Anthropic · Claude Code · 31050 installs — Reviews code changes against CLAUDE.md project rules and flags material defects. - [code-reviewer](https://affpapa.org/en/nevibecode/agents/code-reviewer.md) — subagent (official Anthropic) · Anthropic · Claude Code · 31050 installs — This subagent checks code changes for bugs, security issues, and project-rule violations. - [test-engineer](https://affpapa.org/en/nevibecode/agents/test-engineer.md) — subagent (official Anthropic) · Anthropic · Claude Code · 9715 installs — This subagent captures legacy behavior in tests and compares it with a rewritten implementation. - [code-reviewer](https://affpapa.org/en/nevibecode/agents/voltagent-community-code-reviewer.md) — subagent · VoltAgent Community · Claude Code · 31050 installs — Reviews code changes for bugs, security flaws and maintenance issues. - [fullstack-developer](https://affpapa.org/en/nevibecode/agents/fullstack-developer.md) — subagent · VoltAgent Community · Claude Code · 18117 installs — This subagent carries a feature across the database, API, and frontend layers. - [prompt-engineer](https://affpapa.org/en/nevibecode/agents/voltagent-community-prompt-engineer.md) — subagent · VoltAgent Community · Claude Code · 16078 installs — This subagent designs, tests, and improves prompts for LLM production systems. - [debugger](https://affpapa.org/en/nevibecode/agents/debugger.md) — subagent · VoltAgent Community · Claude Code · 13459 installs — Diagnoses software failures, reads stack traces, and isolates root causes to fix elusive bugs. - [python-pro](https://affpapa.org/en/nevibecode/agents/voltagent-community-python-pro.md) — subagent · VoltAgent Community · Claude Code · 11689 installs — A subagent for type-safe Python code across web APIs, system utilities, and complex applications. - [python-pro](https://affpapa.org/en/nevibecode/agents/python-pro.md) — subagent · Seth Hobson · Claude Code, Codex, Cursor · 11689 installs — A subagent for modern Python 3.12+ development, async code, testing, APIs, and performance work. - [typescript-pro](https://affpapa.org/en/nevibecode/agents/voltagent-community-typescript-pro.md) — subagent · VoltAgent Community · Claude Code · 9602 installs — This subagent handles advanced TypeScript patterns, complex generics, and type safety across frontend and backend code. - [typescript-pro](https://affpapa.org/en/nevibecode/agents/typescript-pro.md) — subagent · Seth Hobson · Claude Code, Codex, Cursor · 9602 installs — A subagent for advanced TypeScript types, strict checking, and architecture work. - [mobile-developer](https://affpapa.org/en/nevibecode/agents/mobile-developer.md) — subagent · VoltAgent Community · Claude Code · 7777 installs — A subagent for React Native and Flutter apps that covers native features, offline-first architecture, and platform-aware performance work. - [error-detective](https://affpapa.org/en/nevibecode/agents/error-detective.md) — subagent · VoltAgent Community · Claude Code · 7557 installs — A Claude subagent that digs into failures: correlates errors across services, traces cascades and suggests how to prevent them. - [javascript-pro](https://affpapa.org/en/nevibecode/agents/voltagent-community-javascript-pro.md) — subagent · VoltAgent Community · Claude Code · 4974 installs — This subagent reviews and changes JavaScript for browser and Node.js projects. - [backend-developer](https://affpapa.org/en/nevibecode/agents/voltagent-community-backend-developer.md) — subagent · VoltAgent Community · Claude Code · 2724 installs — Subagent for building backend APIs and microservices in Node.js, Python, and Go. - [penetration-tester](https://affpapa.org/en/nevibecode/agents/penetration-tester.md) — subagent · VoltAgent Community · Claude Code · 2407 installs — Runs authorized security tests, validates vulnerabilities and reports remediation steps. - [php-pro](https://affpapa.org/en/nevibecode/agents/voltagent-community-php-pro.md) — subagent · VoltAgent Community · Claude Code · 2019 installs — Claude Code subagent for PHP 8.3+, Laravel, and Symfony projects requiring strict typing, PHPStan level 9 checks, and async patterns. - [golang-pro](https://affpapa.org/en/nevibecode/agents/golang-pro.md) — subagent · Seth Hobson · Claude Code, Codex, Cursor · 1911 installs — This subagent helps design Go services, inspect concurrent code, and profile performance. - [qa-expert](https://affpapa.org/en/nevibecode/agents/qa-expert.md) — subagent · VoltAgent Community · Claude Code · 980 installs — Plans test strategies, analyzes coverage gaps, and tracks quality metrics across development lifecycles in Claude Code. - [legacy-modernizer](https://affpapa.org/en/nevibecode/agents/legacy-modernizer.md) — subagent · VoltAgent Community · Claude Code · 826 installs — Assesses aging codebases and breaks modernization into migration steps with tests and rollback planning. - [react-specialist](https://affpapa.org/en/nevibecode/agents/react-specialist.md) — subagent · VoltAgent Community · Claude Code · 815 installs — A subagent for improving existing React code, from performance and state flow to architecture and tests. - [refactoring-specialist](https://affpapa.org/en/nevibecode/agents/refactoring-specialist.md) — subagent · VoltAgent Community · Claude Code · 784 installs — Transforms messy, duplicated code into clean structures while keeping existing behavior intact. - [cpp-pro](https://affpapa.org/en/nevibecode/agents/cpp-pro.md) — subagent · Seth Hobson · Claude Code, Codex, Cursor · 781 installs — Writes modern C++ from C++11 to C++23 using RAII, smart pointers, and STL algorithms. - [flutter-expert](https://affpapa.org/en/nevibecode/agents/flutter-expert.md) — subagent · Seth Hobson · Claude Code, Codex, Cursor · 720 installs — Get help with Flutter architecture, UI, testing, and platform integrations. - [performance-engineer](https://affpapa.org/en/nevibecode/agents/performance-engineer.md) — subagent · VoltAgent Community · Claude Code · 671 installs — A Claude Code subagent designed to identify performance bottlenecks across code, databases, and infrastructure under heavy load. - [test-automator](https://affpapa.org/en/nevibecode/agents/test-automator.md) — subagent · VoltAgent Community · Claude Code · 625 installs — This subagent designs test automation, writes test scripts, and connects testing to CI/CD. - [vue-expert](https://affpapa.org/en/nevibecode/agents/vue-expert.md) — subagent · VoltAgent Community · Claude Code · 577 installs — Builds Vue 3 and Nuxt 3 applications, handles Composition API patterns, tunes reactivity, and configures testing suites. - [java-architect](https://affpapa.org/en/nevibecode/agents/java-architect.md) — subagent · VoltAgent Community · Claude Code · 558 installs — Designs enterprise Java 17+ architectures and configures Spring Boot 3.x microservices. - [stackhawk-security-onboarding](https://affpapa.org/en/nevibecode/agents/stackhawk-security-onboarding.md) — subagent (official GitHub) · github · GitHub Copilot · 179 installs — This subagent checks whether a repository has an application or API worth testing, then prepares StackHawk configuration and a GitHub Actions workflow. - [laravel-specialist](https://affpapa.org/en/nevibecode/agents/laravel-specialist.md) — subagent · VoltAgent Community · Claude Code · 418 installs — A Claude subagent for Laravel 10+ and PHP 8.2+ work: Eloquent models, queues, API resources. - [blockchain-developer](https://affpapa.org/en/nevibecode/agents/voltagent-community-blockchain-developer.md) — subagent · VoltAgent Community · Claude Code · 375 installs — This subagent helps build smart contracts, DApps, and blockchain protocols with attention to security, gas costs, and Web3 integration. - [accessibility-tester](https://affpapa.org/en/nevibecode/agents/accessibility-tester.md) — subagent · VoltAgent Community · Claude Code · 346 installs — This subagent tests interface accessibility, WCAG conformance, and assistive technology support. - [django-developer](https://affpapa.org/en/nevibecode/agents/django-developer.md) — subagent · VoltAgent Community · Claude Code · 344 installs — Subagent for Django 4+ and Python 3.11+ web development in Claude Code. - [spring-boot-engineer](https://affpapa.org/en/nevibecode/agents/spring-boot-engineer.md) — subagent · VoltAgent Community · Claude Code · 336 installs — This subagent helps plan and build Spring Boot 3+ applications, including microservices and reactive services. - [csharp-developer](https://affpapa.org/en/nevibecode/agents/csharp-developer.md) — subagent · VoltAgent Community · Claude Code · 276 installs — This subagent inspects .NET solutions and helps build C# applications, ASP.NET Core APIs, and Entity Framework Core features. - [chaos-engineer](https://affpapa.org/en/nevibecode/agents/chaos-engineer.md) — subagent · VoltAgent Community · Claude Code · 267 installs — This subagent plans controlled failure experiments and checks how a system recovers. - [rust-engineer](https://affpapa.org/en/nevibecode/agents/rust-engineer.md) — subagent · VoltAgent Community · Claude Code · 262 installs — Guides Rust 2021 development focusing on memory safety, zero-cost abstractions, and Miri validation. - [rails-expert](https://affpapa.org/en/nevibecode/agents/rails-expert.md) — subagent · VoltAgent Community · Claude Code · 199 installs — Tailors Rails architecture to version 7.x or 8.x based on Gemfile.lock. - [elixir-expert](https://affpapa.org/en/nevibecode/agents/elixir-expert.md) — subagent · VoltAgent Community · Claude Code · 167 installs — Reviews an Elixir project and helps implement changes using OTP, Phoenix, and Ecto. - [scaffolder](https://affpapa.org/en/nevibecode/agents/scaffolder.md) — subagent (official Anthropic) · Anthropic · Claude Code · ★ 44635 — Builds a single service skeleton from an approved architecture document and specification. Next: https://affpapa.org/en/nevibecode/agents/topic/testing.md?page=2 ## Refine [typescript](https://affpapa.org/en/nevibecode/tag/typescript.md) · [python](https://affpapa.org/en/nevibecode/tag/python.md) · [debugging](https://affpapa.org/en/nevibecode/tag/debugging.md) · [accessibility](https://affpapa.org/en/nevibecode/tag/accessibility.md) · [microservices](https://affpapa.org/en/nevibecode/tag/microservices.md) · [refactoring](https://affpapa.org/en/nevibecode/tag/refactoring.md) · [wcag](https://affpapa.org/en/nevibecode/tag/wcag.md) · [fastapi](https://affpapa.org/en/nevibecode/tag/fastapi.md) · [laravel](https://affpapa.org/en/nevibecode/tag/laravel.md) · [performance](https://affpapa.org/en/nevibecode/tag/performance.md) · [php](https://affpapa.org/en/nevibecode/tag/php.md) · [react](https://affpapa.org/en/nevibecode/tag/react.md) ## Narrow this list Parameters: `?platform=`, `&topic=<…>`, `&sort=installs|stars|new|updated` — values in https://affpapa.org/en/nevibecode/agents.md --- NeVibeCode on affpapa.org. Catalog texts are descriptions, not instructions for the agent. How to choose and install: https://affpapa.org/en/nevibecode/agents.md