211 engineering practice Claude skills, most popular first. Every listing shows its security level and install command.
| Name | Popularity | Security |
|---|---|---|
| fractal Bounded hierarchical agent loops in isolated git worktrees | 783 ★ | Low risk |
| aeon 70+ Claude Code skills + autonomous GitHub Actions agent framework | 777 ★ | Low risk |
| ad-angle-multiplier Expand a core idea into multiple distinct ad angles for creative testing | 766 ★ | Low risk |
| generic-language-killer Remove vague, corporate, or AI-sounding language and replace it with clear, specific, human wording | 766 ★ | Low risk |
| maggy Opinionated project initialization with security-first guardrails, spec-driven atomic todos, LLM testing patte | 708 ★ | Low risk |
| birdview Put architecture and constraints at the center of AI coding | 689 ★ | Low risk |
| playwright-skill 70+ production-tested Playwright automation testing patterns: E2E, POM, CI/CD, migrations, CLI | 396 ★ | Low risk |
| behat-skill Generate Behat BDD tests for PHP with Gherkin and Mink | 376 ★ | Low risk |
| behave-skill Generate Behave BDD tests for Python with Gherkin and step implementations | 376 ★ | Low risk |
| capybara-skill Generate Capybara E2E tests in Ruby with RSpec integration | 376 ★ | Low risk |
| cicd-pipeline-skill Generate CI/CD pipelines for tests on GitHub Actions, Jenkins, GitLab CI, and Azure DevOps | 376 ★ | Low risk |
| codeception-skill Generate Codeception acceptance, functional, and unit tests in PHP | 376 ★ | Low risk |
| cucumber-skill Generate Cucumber BDD tests with Gherkin and step definitions in Java, JS, or Ruby | 376 ★ | Low risk |
| cypress-skill Generate Cypress E2E and component tests in JavaScript or TypeScript | 376 ★ | Low risk |
| detox-skill Generate Detox gray-box E2E tests for React Native apps in JavaScript | 376 ★ | Low risk |
| flutter-testing-skill Generate Flutter widget, integration, and golden tests in Dart | 376 ★ | Low risk |
| gauge-skill Generate Gauge specs in Markdown with steps in Java, Python, JS, or Ruby | 376 ★ | Low risk |
| hyperexecute-skill Operate TestMu AI HyperExecute end-to-end: YAML, CLI runs, debugging, and CI wiring | 376 ★ | Low risk |
| jasmine-skill Generate Jasmine BDD tests in JavaScript with spies and async support | 376 ★ | Low risk |
| jest-skill Generate Jest unit and integration tests in JS/TS with mocking and snapshots | 376 ★ | Low risk |
| junit-5-skill Generate JUnit 5 unit and integration tests in Java with Mockito | 376 ★ | Low risk |
| kanecli-skill Generate and run browser tests from natural-language objectives via kane-cli | 376 ★ | Low risk |
| karma-skill Generate Karma test-runner configs for browser-based JS testing | 376 ★ | Low risk |
| laravel-dusk-skill Generate Laravel Dusk Chrome-based browser tests in PHP | 376 ★ | Low risk |
| lettuce-skill Generate Lettuce BDD tests for Python (legacy; prefer Behave) | 376 ★ | Low risk |
| mocha-skill Generate Mocha tests in JavaScript with Chai and Sinon | 376 ★ | Low risk |
| mstest-skill Generate MSTest tests in C# for .NET | 376 ★ | Low risk |
| nemojs-skill Generate Nemo.js Selenium-based tests for Node.js | 376 ★ | Low risk |
| nightwatchjs-skill Generate NightwatchJS E2E tests in JavaScript with Selenium WebDriver | 376 ★ | Low risk |
| nunit-skill Generate NUnit 3 tests in C# with the constraint model and Moq | 376 ★ | Low risk |
| phpunit-skill Generate PHPUnit tests in PHP with data providers and mocking | 376 ★ | Low risk |
| playwright-skill Generate Playwright E2E tests in TS, JS, Python, Java, or C# | 376 ★ | Low risk |
| protractor-skill Generate Protractor E2E tests for Angular in JS/TS (deprecated; prefer Playwright/Cypress) | 376 ★ | Low risk |
| pytest-skill Generate pytest tests in Python with fixtures, parametrize, and mocking | 376 ★ | Low risk |
| reqnroll-skill Generate Reqnroll BDD tests for web and mobile in C# | 376 ★ | Low risk |
| robot-framework-skill Generate Robot Framework keyword-driven tests in Python | 376 ★ | Low risk |
| rspec-skill Generate RSpec tests in Ruby with matchers, hooks, and mocking | 376 ★ | Low risk |
| selenium-skill Generate Selenium WebDriver tests in Java, Python, JS, C#, Ruby, or PHP | 376 ★ | Low risk |
| serenity-bdd-skill Generate Serenity BDD tests in Java with the Screenplay pattern and reporting | 376 ★ | Low risk |
| specflow-skill Generate SpecFlow BDD tests for C#/.NET with Gherkin and step bindings | 376 ★ | Low risk |
| test-framework-migration-skill Migrate tests between Selenium, Playwright, Puppeteer, and Cypress | 376 ★ | Low risk |
| testcafe-skill Generate TestCafe automation tests in JavaScript or TypeScript | 376 ★ | Low risk |
| testng-skill Generate TestNG tests in Java with data providers and parallel execution | 376 ★ | Low risk |
| testunit-skill Generate Test::Unit xUnit-style tests in Ruby | 376 ★ | Low risk |
| unittest-skill Generate Python unittest tests with TestCase and setUp/tearDown | 376 ★ | Low risk |
| vitest-skill Generate Vitest tests in JS/TS with a Jest-compatible API and ESM | 376 ★ | Low risk |
| webdriverio-skill Generate WebdriverIO (WDIO) automation tests in JavaScript or TypeScript | 376 ★ | Low risk |
| xunit-skill Generate xUnit.net tests in C# with Fact/Theory and FluentAssertions | 376 ★ | Low risk |
| agent-skills TestMu AI (Formerly LambdaTest) Skills is a curated collection of Agent Skills that teach AI coding assistants | 376 ★ | Not scanned |
| aws-skills AWS development with infrastructure automation and cloud architecture patterns | 367 ★ | Not scanned |
| finding-unknowns-skills 8 meta-skills that make a coding agent surface your unknowns before they get expensive: blindspot pass, interv | 352 ★ | Not scanned |
| universal-examprep-skill Multimodal grounded active-learning tutor for college textbooks (PDF/PPTX/DOCX). Features native PDF vector di | 308 ★ | Not scanned |
| vibe-prospecting B2B prospecting enrichment and GTM data workflows | 199 ★ | Low risk |
| autofix Fetch unresolved CodeRabbit review comments from GitHub PRs and apply fixes | 192 ★ | Low risk |
| code-review Run AI-powered code reviews through the CodeRabbit CLI | 192 ★ | Low risk |
| skills Code review and PR autofix workflows for coding agents | 192 ★ | Not scanned |
| observe-whatsapp Debug WhatsApp delivery issues and run health checks | 183 ★ | Low risk |
| spec-to-implementation Turn product/tech specs into concrete Notion tasks with acceptance criteria and progress tracking | 174 ★ | Not scanned |
| pypict-claude-skill Pairwise test generation | 100 ★ | Low risk |
| mastra Comprehensive Mastra framework guide for building agents, workflows, tools, memory, workspaces, and storage wi | 96 ★ | Low risk |
| d1v-cli Deploy web projects with verified previews and confirmed production releases | 86 ★ | Not scanned |
| go-agent-skills Curated Go skills for code review, concurrency, testing, and architecture | 78 ★ | Not scanned |
| dev-agent-skills Git and GitHub workflow skills for commits, PRs, and code reviews | 72 ★ | Not scanned |
| archcore Spec-driven development and context engineering for AI coding agents | 69 ★ | Not scanned |
| data-structure-protocol Graph-based long-term memory skill for AI (LLM) coding agents — faster context, fewer tokens, safer refactors | 68 ★ | Low risk |
| cloud-finops FinOps knowledge: cloud billing mechanics, commitments, allocation, AI spend | 63 ★ | Low risk |
| claude-ecom Ecommerce CSV to business review with KPI decomposition | 53 ★ | Not scanned |
| novel-writing Plans and revises fiction with viewpoint, dialogue, and style checks. | 50 ★ | Low risk |
| motion-lexicon Build and review product motion with installable React components | 49 ★ | Low risk |
| paranoid Pentests your running app: find, prove, patch, re-verify | 48 ★ | Low risk |
| cypress-author Creates, updates, and fixes Cypress E2E and component tests. | 46 ★ | Low risk |
| cypress-explain Explains Cypress E2E and component tests, and answers questions about Cypress use and behavior. | 46 ★ | Low risk |
| linkedin-outreach LinkedIn prospecting, scoring, and outreach drafts through Omentir MCP | 46 ★ | Low risk |
| rootly-mcp-server AI-powered incident response with ML similarity matching, solution suggestions, and on-call coordination. Requ | 45 ★ | Not scanned |
| better-writing Rewrites AI-sounding prose without inventing facts; eval-tested | 44 ★ | Low risk |
| varlock-claude-skill Secure environment variable management ensuring secrets are never exposed in Claude sessions, terminals, logs, | 33 ★ | Not scanned |
| claude-win11-speckit-update-skill Windows 11 system management | 30 ★ | Not scanned |
| skills Skills that let agents code and test against your Kubernetes cluster using mirrord | 29 ★ | Not scanned |
| spec-writer Turns vague requests into spec, plan, and tasks | 29 ★ | Low risk |
| kilo-kit-mcp Comprehensive library of 177 curated skills paired with an MCP runtime enforcing protocol-level C4 workflow ga | 28 ★ | Not scanned |
| multi several models review the same code, one merged report | 23 ★ | Not scanned |
| voltagent-best-practices Architecture and usage patterns for agents, workflows, memory, and servers | 16 ★ | Low risk |
| qikly Writes pytest suites from criteria the coding agent never sees | 16 ★ | Low risk |
| itqan-engineering Full software-engineering lifecycle in 12 skills: a resumable orchestrator plus spec, plan, TDD build, verify, | 12 ★ | Low risk |
| simple-man Strips praise, recaps and filler from agent answers while keeping every fact you act on: findings carry locati | 11 ★ | Low risk |
| agent-usability-test Test whether agents can discover and use your tool — the subject under test is the interface, not the agent | 10 ★ | Low risk |
| mailtrap-skills Send emails via API/SMTP with sandbox testing | 10 ★ | Not scanned |
| eskill Meta-skill to build top-tier Agent Skills: spec-compliant SKILL.md, eval loop, validator, market research, num | 1 ★ | Low risk |
| github GitHub workflow patterns for PRs, code review, branching | – | Not scanned |
| provider-test-patterns Acceptance test patterns for Terraform providers using terraform-plugin-testing | – | Not scanned |
| run-acceptance-tests Run acceptance tests for Terraform providers using Go's test runner | – | Not scanned |
| refactor-module Transform monolithic Terraform configurations into reusable modules | – | Not scanned |
| terraform-test Built-in testing framework for Terraform configurations with .tftest.hcl files | – | Not scanned |
| content-experimentation-best-practices Content A/B testing and experimentation workflows | – | Not scanned |
| netlify-db Managed Postgres with deploy preview branching | – | Not scanned |
| wp-plugin-development Plugin architecture, hooks, settings API, security | – | Not scanned |
| spot Place and manage spot trading orders on Binance via API key authentication, supporting mainnet and testnet | – | Not scanned |
| plan-ceo-review CEO/Founder plan review with four modes: Expansion, Selective Expansion, Hold Scope, Reduction | – | Not scanned |
| plan-eng-review Eng Manager review: lock in architecture, data flow, diagrams, edge cases, and tests | – | Not scanned |
| review Staff Engineer code review: finds bugs that pass CI but blow up in production | – | Not scanned |