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Skills, MCP servers, prompts, assistants and connectors. Every listing shows its author, version and the permissions it needs.
On the shelves20,989
- MCP servers18,838
- Skills1,282
- Assistants651
- Prompts218
0 items
Testing- affaan-m 275kE2E Test RunnerEnd-to-end testing specialist using Vercel Agent Browser (preferred) with Playwright fallback. Manages test journeys, quarantines flaky tests, uploads artifacts (screenshots, videos, traces), and ensures critical user flows work.AssistantSonnetBrowser automationCloudTesting
anthropics 180kWeb Application TestingToolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.SkillPythonBrowser automationTestingFrontend- affaan-m 275kFastAPI reviewerReviews FastAPI applications for async correctness, dependency injection, Pydantic schemas, security, OpenAPI quality, testing, and production readiness.AssistantSonnetSecurityTestingBackend
keploy 19kKeployEnd-to-end API testing — generate and run tests from OpenAPI, curl, Postman, or real user traffic.MCPRemoteTesting
addyosmani 103kDoubt-Driven DevelopmentSubjects every non-trivial decision to a fresh-context adversarial review before it stands. Use when you want every assumption cross-examined before proceeding, when stress-testing a plan for hidden failure modes, when correctness matters more than speed, when working in unfamiliar code, when stakes are high (production auth, security-sensitive logic, a high-stakes migration, irreversible operations), or any time a confident output would be cheaper to verify now than to debug later.SkillNo codeSecurityTesting
mattpocock 281kSetup Pre-Commit HooksSet up Husky pre-commit hooks with lint-staged (Prettier), type checking, and tests in the current repo. Use when user wants to add pre-commit hooks, set up Husky, configure lint-staged, or add commit-time formatting/typechecking/testing.SkillNo codeTesting
wshobson 40kWeb3 Smart Contract TestingTest smart contracts comprehensively using Hardhat and Foundry with unit tests, integration tests, and mainnet forking. Use when testing Solidity contracts, setting up blockchain test suites, or validating DeFi protocols.SkillNo codeTestingLegal
seleniumbase 13kSeleniumBase MCPStealthy browser automation, testing, and web-scraping via CDP Mode.MCPPythonBrowser automationWeb scrapingTesting
mobile-next 8.7kmobile-mcpMCP server for iOS and Android Mobile Development, Automation and TestingMCPNode.jsTestingMobile- addyosmani 103kBrowser Testing with DevToolsTests in real browsers via Chrome DevTools MCP. Use when building or debugging anything that runs in a browser. Use when you need to inspect the DOM, capture console errors, analyze network requests, profile performance, or verify visual output with real runtime data. Requires the chrome-devtools MCP server to be configured.SkillMedium riskNo codeBrowser automationTestingCoding
- anthropics 38kAgent SDK verifier TSUse this agent to verify that a TypeScript Agent SDK application is properly configured, follows SDK best practices and documentation recommendations, and is ready for deployment or testing. This agent should be invoked after a TypeScript Agent SDK app has been created or modified.AssistantSonnetDocumentationDevOpsTesting
- wshobson 40kGitHub Actions TemplatesCreate production-ready GitHub Actions workflows for automated testing, building, and deploying applications. Use when setting up CI/CD with GitHub Actions, automating development workflows, or creating reusable workflow templates.SkillNo codeGit and GitHubDevOpsTesting
expo 2.7kexpo-dev-clientBuild and distribute Expo development clients locally or via TestFlight for internal testing. For production TestFlight releases and store submission, use the eas-app-stores skill.SkillNo codeTestingMobile- msitarzewski 158kPerformance BenchmarkerExpert performance testing and optimization specialist focused on measuring, analyzing, and improving system performance across all applications and infrastructureAssistantTesting
trailofbits 7.4kTesting Handbook Skill GeneratorGenerates Claude Code skills from the Trail of Bits Testing Handbook (appsec.guide), analyzing handbook pages and emitting SKILL.md files with the structure each skill type requires. Use when creating or refreshing a skill from handbook content, or when the user names the testing handbook or appsec.guide. Not for answering security testing questions — the generated skills cover those.SkillNo codeFilesSecurityTesting- wshobson 40kAccessibility expertExpert accessibility specialist ensuring WCAG compliance, inclusive design, and assistive technology compatibility. Masters screen reader optimization, keyboard navigation, and a11y testing methodologies.AssistantSame as sessionTestingLegal
- wshobson 40kIncident response test automatorCreates comprehensive test suites including unit, integration, regression, and security tests. Validates fixes with full coverage and cross-environment testing.AssistantSonnetSecurityTesting
- msitarzewski 158kAd Creative StrategistPaid media creative specialist focused on ad copywriting, RSA optimization, asset group design, and creative testing frameworks across Google, Meta, Microsoft, and programmatic platforms. Bridges the gap between performance data and persuasive messaging.AssistantTestingWriting
- msitarzewski 158kUX ResearcherExpert user experience researcher specializing in user behavior analysis, usability testing, and data-driven design insights. Provides actionable research findings that improve product usability and user satisfactionAssistantTestingDesignResearch
- wshobson 40kTemporal Python Testing StrategiesTest Temporal workflows with pytest, time-skipping, and mocking strategies. Covers unit testing, integration testing, replay testing, and local development setup. Use when implementing Temporal workflow tests or debugging test failures.SkillNo codeTestingCoding
- anthropics 38kAgent SDK verifier pyUse this agent to verify that a Python Agent SDK application is properly configured, follows SDK best practices and documentation recommendations, and is ready for deployment or testing. This agent should be invoked after a Python Agent SDK app has been created or modified.AssistantSonnetDocumentationDevOpsTesting
- wshobson 40kDependency UpgradeManage major dependency version upgrades with compatibility analysis, staged rollout, and comprehensive testing. Use when upgrading framework versions, updating major dependencies, or managing breaking changes in libraries.SkillNo codeTesting
- wshobson 40kQA AgentQA Agent. Tests all acceptance criteria and edge cases from orchestrator-output.md. Generates a structured qa-report.md with pass/fail per criterion and bug triage. Loops back to implement if bugs found (max 2 iterations).AssistantSonnetTesting
- wshobson 40kLLM EvaluationImplement comprehensive evaluation strategies for LLM applications using automated metrics, human feedback, and benchmarking. Use when testing LLM performance, measuring AI application quality, or establishing evaluation frameworks.SkillNo codeMonitoringTestingAI models