Full Leaderboard·Data through 30 September 2026·Updated daily

Testing Skill Leaderboard

Ranked repositories whose primary or secondary category is Testing. Ordered by their overall Skill Leaderboard rank.
36.2kSkills tracked
449kStars gained / last 30 days
8.9kCommits / last 30 days
8.1MSKILL.md lines analyzed
RankRepositoryStars7 days30 days
1
obra/superpowers

An agentic skills framework for brainstorming designs, dispatching parallel agents, and standardizing AI-assisted development processes.

Stars293k
7 days+2.7k stars+0.9%
30 days+13.8k stars+5.0%
50
Jeffallan/claude-skills

A set of AI skills for full-stack development, including Angular 17+ architecture, .NET Core expertise, and system design documentation.

Stars11.7k
7 days+97 stars+0.8%
30 days+421 stars+3.7%
64
android/skills

A technical reference for Android development covering CameraX implementation, Jetpack Compose adaptive layouts, and AGP 9 migration.

Stars7.6k
7 days+113 stars+1.5%
30 days+491 stars+6.9%
68
trailofbits/skills

Security auditing skills for vulnerability hunting, threat modeling, and detecting prompt injection risks in AI-integrated CI/CD pipelines.

Stars7.3k
7 days+90 stars+1.3%
30 days+379 stars+5.5%
73
SawyerHood/dev-browser

A browser automation skill for AI agents to navigate websites, fill forms, scrape data, and test web applications using persistent named pages.

Stars6.6k
7 days+10 stars+0.1%
30 days+62 stars+0.9%
87
dotnet/skills

A library of agent skills for .NET development, covering SDK configuration, ASP.NET Core API construction, Blazor components, and test execution.

Stars5.5k
7 days+44 stars+0.8%
30 days+208 stars+3.9%
111
WorldFlowAI/everything-claude-code

Technical patterns for Node.js and React development, ClickHouse query optimization, and eval-driven development frameworks.

Stars3.8k
7 days+259 stars+7.4%
30 days+1.9k stars+97.5%
126
samber/cc-skills-golang

Provides specialized skills for Go performance profiling, benchmarking, and the development of structured CLI applications.

Stars3.4k
7 days+46 stars+1.4%
30 days+245 stars+7.8%
133
lackeyjb/playwright-skill

Browser automation using Playwright for UX validation, responsive checks, and automated web testing.

Stars3.2k
7 days+16 stars+0.5%
30 days+78 stars+2.5%
148
vuejs-ai/skills

A collection of Vue 3 skills covering composable design, component architecture, reactivity debugging, Pinia state management, Vue Router patterns, and testing with Vitest and Playwright.

Stars2.9k
7 days+3 stars+0.1%
30 days+59 stars+2.1%
150
addyosmani/web-quality-skills

Provides auditing and optimization skills for WCAG 2.2 accessibility, SEO visibility, and Core Web Vitals performance.

Stars2.9k
7 days+26 stars+0.9%
30 days+129 stars+4.7%
158
yaojingang/yao-meta-skill

A meta-skill for engineering, evaluating, and governing the lifecycle of reusable AI agent skills from workflows and SOPs.

Stars2.7k
7 days+57 stars+2.2%
30 days+116 stars+4.5%
161
expo/skills

Migrates Apple/Swift Expo native modules from the 1.0 definition DSL to the 2.0 macro API.

Stars2.6k
7 days+41 stars+1.6%
30 days+156 stars+6.3%
170
majidmanzarpour/threejs-game-skills

Generates and optimizes 3D models, animations, textures, and audio assets specifically for Three.js game development.

Stars2.4k
7 days+279 stars+13.2%
30 days+1k stars+71.7%
172
antonbabenko/terraform-skill

Diagnose-first guidance for Terraform/OpenTofu: identifies failure modes, proposes risk-controlled remediation, and enforces a response contract with validation and rollback plans.

Stars2.4k
7 days+13 stars+0.6%
30 days+72 stars+3.1%
179
Sahir619/fable-method

Implements a think-act-prove orchestration method for AI agents featuring domain research and adversarial verification of outputs.

Stars2.3k
7 days+8 stars+0.3%
30 days+29 stars+1.3%
186
mrgoonie/claudekit-skills

A 45-skill kit for Claude Code covering backend development, databases, authentication, devops, multimodal AI, document editing, and debugging.

Stars2.2k
7 days+4 stars+0.2%
30 days+16 stars+0.7%
209
Prat011/awesome-llm-skills

Over thirty curated skills for marketing lead research, competitive ad analysis, content writing, generative art, frontend development, Notion integration, document processing, and operational workflow automation.

Stars1.8k
7 days+10 stars+0.6%
30 days+66 stars+3.9%
216
NeoLabHQ/context-engineering-kit

A set of tools and guides for designing, testing, and refining AI skills and agents using context engineering and evaluation metrics.

Stars1.7k
7 days+17 stars+1.0%
30 days+239 stars+15.9%
219
hamelsmu/evals-skills

A set of skills for LLM evaluation, covering synthetic data generation, judge prompt engineering, RAG evaluation, and the creation of human-in-the-loop review interfaces.

Stars1.7k
7 days+3 stars+0.2%
30 days+10 stars+0.6%
221
rmyndharis/antigravity-skills

Developer skills for AI systems, data pipelines, APIs, architecture, accessibility, security, performance, and framework migration.

Stars1.7k
7 days+51 stars+3.2%
30 days+222 stars+15.4%
222
callstackincubator/agent-skills

A set of agent-optimized skills for automating UI interactions and bug hunting across Apple and Android platforms.

Stars1.7k
7 days+5 stars+0.3%
30 days+29 stars+1.8%
233
hyhmrright/brooks-lint

An architecture audit and technical debt assessment tool with automated remediation capabilities for codebase maintenance.

Stars1.5k
7 days+9 stars+0.6%
30 days+62 stars+4.3%
240
daymade/claude-code-skills

A suite of tools and templates for creating, reviewing, and governing custom Claude Code skills.

Stars1.4k
7 days+12 stars+0.8%
30 days+70 stars+5.1%
247
ai-evals-course/evals-skills

A set of skills for creating synthetic data, writing judge prompts, evaluating RAG performance, and building custom review interfaces for error analysis.

Stars1.4k
7 days+206 stars+17.4%
30 days+887 stars+177.4%
249
jsmastery-pro/skills

A set of developer tools for designing technical specifications and generating AGENTS.md context files to bootstrap AI-assisted development.

Stars1.4k
7 days+70 stars+5.3%
30 days+394 stars+40.0%
250
truongduy2611/app-store-preflight-skills

Scans Xcode projects for App Store rejection patterns using app-type checklists and asc CLI metadata. Outputs severity-ordered reports with fix suggestions for metadata, subscriptions, privacy, entitlements, and design compliance.

Stars1.4k
7 days+3 stars+0.2%
30 days+30 stars+2.2%
251
pinchbench/skill

Tools for building Axiom dashboards via API and executing metrics queries against MetricsDB.

Stars1.4k
7 days+5 stars+0.4%
30 days+20 stars+1.5%
266
conorluddy/ios-simulator-skill

Provides 29 scripts for iOS app build automation, simulator lifecycle management, and accessibility-driven UI testing.

Stars1.3k
7 days+5 stars+0.4%
30 days+26 stars+2.1%
268
amElnagdy/guard-skills

Five guard skills for reviewing AI-generated code, documentation, tests, WordPress plugins, and WooCommerce extensions against systematic failure modes.

Stars1.3k
7 days+4 stars+0.3%
30 days+44 stars+3.6%
279
pashov/skills

Generates Solidity fuzz suites for Echidna and Medusa from Foundry or Hardhat projects and converts natural language properties into Solidity assertions.

Stars1.2k
7 days+36 stars+3.0%
30 days+111 stars+10.0%
285
Aaronontheweb/dotnet-skills

Technical implementation guides for Akka.NET actor patterns, cluster bootstrapping, and .NET Aspire orchestration.

Stars1.2k
7 days+13 stars+1.1%
30 days+64 stars+5.7%
289
michaelshimeles/skills

Captures before-and-after screenshots of web pages or elements for visual comparison and PR documentation.

Stars1.2k
7 days+120 stars+11.3%
30 days+854 stars+258.0%
290
CharlesWiltgen/Axiom

Technical guidance for Apple platform development covering Swift 6 concurrency, Xcode diagnostics, accessibility auditing, and on-device AI implementation.

Stars1.2k
7 days+11 stars+0.9%
30 days+42 stars+3.7%
309
openclaw/agent-skills

Orchestration skills for agent-to-agent handoffs, transcript management, and contract-based behavior validation.

Stars1.1k
7 days+9 stars+0.8%
30 days+33 stars+3.1%
329
getsentry/skills

A set of skills for maintaining AGENTS.md and CLAUDE.md instruction files and generating conventional Sentry-style commit messages.

Stars1k
7 days+24 stars+2.4%
30 days+61 stars+6.3%
339
TechNomadCode/AI-Product-Development-Toolkit

Plan, build and launch products with AI: guided planning prompts, an AI App Starter for Next.js, Supabase and Vercel, and agent configurations.

Stars993
7 days—History unavailable
30 days—History unavailable
344
olelehmann1337/autoresearch-skill

Optimizes Claude Code skills by running autonomous loops that score outputs against binary evals and mutate prompts to improve reliability.

Stars981
7 days+1 stars+0.1%
30 days+1 stars+0.1%
345
dzhng/skills

Evaluates and improves AI agent skills by testing them against golden cases in isolated subagents to drive iterative edits.

Stars970
7 days+43 stars+4.6%
30 days+178 stars+22.5%
356
microsoft/power-platform-skills

A suite of tools for creating Canvas Apps and configuring connections to SharePoint, Dataverse, SQL, and other API connectors.

Stars945
7 days+30 stars+3.3%
30 days+156 stars+19.8%
373
hashicorp/agent-skills

A set of DevOps skills for building custom AWS and Azure machine images using Packer and managing their registration in HCP Packer.

Stars880
7 days+7 stars+0.8%
30 days+25 stars+2.9%
398
spencerpauly/awesome-cursor-skills

A set of Cursor skills for implementing Auth.js, PostHog analytics, OpenAPI documentation, and accessibility auditing.

Stars824
7 days+15 stars+1.9%
30 days+83 stars+11.2%
399
warpdotdev/oz-skills

Developer tooling skills for automating GitHub Actions CI fixes, pull request management, and BigQuery analysis artifact generation.

Stars823
7 days0 stars0.0%
30 days0 stars0.0%
425
Archive228/loopkit

A library of coding agent skills featuring accessibility auditing and active memory management for consistent AI development workflows.

Stars758
7 days0 stars0.0%
30 days+7 stars+0.9%
429
decebals/claude-code-java

Java engineering skills for architecture review, API contract validation, and refactoring legacy code using clean code principles.

Stars748
7 days+4 stars+0.5%
30 days+24 stars+3.3%
433
AmazingAng/old-coder

Provides a systematic method for designing, modifying, and reviewing HTTP/JSON API endpoints, request/response shapes, and versioning strategies.

Stars745
7 days+7 stars+0.9%
30 days+42 stars+6.0%
438
dbt-labs/dbt-agent-skills

A set of skills for visualizing dbt model lineage via Mermaid diagrams, creating unit tests with mocked inputs, and auditing skill security and quality.

Stars729
7 days+3 stars+0.4%
30 days+34 stars+4.9%
461
shinpr/claude-code-workflows

A set of agent workflows for backend technical decision-making, anti-pattern detection, and documentation criteria.

Stars685
7 days+1 stars+0.1%
30 days+10 stars+1.5%
464
mhattingpete/claude-skills-marketplace

A skill library for bulk code refactoring, test fixing, feature planning, codebase auditing, project bootstrapping, and HTML visual documentation generation.

Stars679
7 days+2 stars+0.3%
30 days+13 stars+1.9%
470
Pluviobyte/video-production-skills

A set of directorial skills for AI video production focusing on motion language, visual metaphors, and anti-PPT quality control.

Stars666
7 days+3 stars+0.5%
30 days+28 stars+4.4%