Category · Testing
Testing tools for Claude Code, Codex & Cursor
Testing tools for Claude Code, Codex and Cursor - skills, MCP servers and workflows for Jest, Playwright, Vitest.
2,500 Testing tools are ranked for Claude Code, Codex and Cursor by real adoption - installs first, then GitHub stars. Updated July 28, 2026.
1TddFollow test-driven development with a strict red-green-refactor loop when creating reliable features or fixing bugs.Testing & Review529k190k
2Test Driven DevelopmentEnforce writing failing tests before any production implementation code.Testing & Review179k262k
5Webapp TestingVerify frontend behavior, debug UI issues, capture screenshots, and inspect logs of a running local web application using Playwright.Testing & Review122k164k
6Playwright CliRun browser automation, generate element snapshots, inspect DOM attributes, and execute Playwright tests from the terminal.Testing & Review99.4k12.2k
7Playwright Best PracticesGet expert, context-aware guidance while writing, debugging, or scaling Playwright browser automation tests.Testing & Review65.1k340
8Google Agents Cli EvalAccurately evaluate agent trajectories that rely on Google Search grounding instead of regular tool calls.Testing & Review63.1k5.4k
9Prisma PostgresQuickly inspect data, view metrics, link existing Postgres instances, and retrieve connection strings without switching between CLI, Studio, and the web console.Testing & Review54.6k47
10Ab TestingDesign statistically sound A/B tests for headlines, CTAs, pricing pages, and landing copy before running them.Testing & Review36.9k41.8k
11Momentic Result ClassificationClassify, triage, and explain failures from Momentic end-to-end browser tests.Testing & Review35.8k12
12Golang TestingGenerate production-grade table-driven tests, testify suites, mocks, fuzz tests, and snapshot tests for Go services and CLIs.Testing & Review35.1k2.7k
13Gsap UtilsSo their coding agent can correctly call GSAP utility methods like clamp, mapRange, normalize, snap, and random when implementing scroll-driven animations, interactiTesting & Review34.7k12.4k
14Writing GuidelinesAutomatically audit documentation, READMEs, and marketing prose against Vercel's official writing style and voice rules.Testing & Review34.6k29.5k
17Web PerfAutomatically audit real browser performance and receive concrete optimization recommendations for Core Web Vitals and Lighthouse scores.Testing & Review29.5k2.5k
18Firecrawl QaRun automated exploratory QA, navigation checks, form testing, and visual validation on a live website using Firecrawl.Testing & Review29.5k100
19VitestSimulate browser APIs and edge runtimes inside Vitest test suites without spinning up real browsers.Testing & Review29.3k5.7k
20Python Testing PatternsApply battle-tested patterns for testing async code, monkeypatching, temporary files, property-based tests, and database interactions in Python projects.Testing & Review28.3k38.3k
21Email And Password Best PracticesCorrectly configure secure email verification, password reset flows, password policies, and hashing for Better Auth in their app.Testing & Review26.7k204
24Angular DeveloperGenerate correct, version-aware Angular animation code whether using modern native CSS or the legacy animations package.Testing & Review24.7k584
26Release SkillsAutomate version bumping, changelog generation, and GitHub release creation across any language or project type.Testing & Review23.3k24.2k
27Flutter Add Widget TestGenerate accurate Flutter widget tests that verify UI rendering, state updates, and user interactions for a specific component.Testing & Review22.8k2.7k
28Flutter Add Integration TestAdd and maintain integration tests for a Flutter mobile app using the official integration_test package and Flutter Driver.Testing & Review22.4k2.7k
29Momentic Mobile TestCreate, run, and maintain reliable end-to-end tests for Android and iOS mobile apps using real emulators and simulators.Testing & Review21.6k12
31Insforge DebugQuickly diagnose runtime errors, performance issues, auth failures, and deployment problems in InsForge projects.Testing & Review19.4k33
33Playwright Generate TestTurn natural-language user scenarios into executable Playwright end-to-end tests without writing boilerplate.Testing & Review16.6k37.1k
34Documentation And AdrsCapture architectural decisions, public API changes, and feature context so future agents and humans understand the codebase without repeated explanations.Testing & Review16k80.5k
35Review PrAutomatically review GitHub pull requests against an approved spec and linked issues before merging.Testing & Review16k148
42Vue Testing Best PracticesEnsure reliable async behavior and component rendering when testing Vue 3 applications with Vitest.Testing & Review15.2k5.7k
51Swift ConcurrencyGet instant, context-aware guidance on Swift concurrency patterns while building iOS, server, or agent features with Claude Code or Cursor.Testing & Review14k1.6k
55Modern Web GuidanceInstantly retrieve up-to-date modern web best practices before writing any HTML, CSS or client-side JavaScript.Testing & Review13.4k1.6k
56HerdrInstall a minimal backend-related skill from the skills.sh registry.Testing & Review13.3k21.1k
57Dbs RestoreInstantly reload the exact context and conclusions from their last diagnostic session with dbs-save.Testing & Review13.2k8.9k
Explore more
Testing tools - common questions
What are the best Testing tools for Claude Code?
Tdd, Test Driven Development, Qa lead the 2,500 Testing tools ranked by real adoption - installs first, then GitHub stars.
Which Testing frameworks are covered?
Jest, Playwright, Vitest, pytest - across 2,500 tools for Claude Code, Codex and Cursor.