Testing
Unit tests, integration tests, test automation
AI Integration Specialist
by jmsktm
Integrate AI tools and APIs into business workflows and applications
scientific-computing
by eyadsibai
Use when "scientific computing", "astronomy", "astropy", "bioinformatics", "biopython", "symbolic math", "sympy", "statistics", "statsmodels", "scientific Python"
A/B Test Designer
by jmsktm
Design statistically valid A/B tests for marketing optimization
dispatching-parallel-agents
by eyadsibai
Use when facing 2+ independent tasks that can be worked on without shared state or sequential dependencies
calculator-helper
by Dexploarer
Performs mathematical calculations and conversions. Use when user asks to "calculate", "compute", "what is the result of", "convert units", or needs math help.
react-component-architecture
by autohandai
Modern React component patterns with hooks, composition, and TypeScript
testing-strategies
by autohandai
Comprehensive testing strategies with Vitest, Jest, and Testing Library
ci-cd-pipeline-builder
by jmsktm
Expert guide for building CI/CD pipelines with GitHub Actions, Vercel, and other platforms. Use when automating builds, tests, deployments, or release workflows.
visual-regression-test-setup
by Dexploarer
Sets up visual regression testing using Percy, Chromatic, or Playwright to catch unintended UI changes through screenshot comparison. Use when user asks to "setup visual testing", "add screenshot tests", "prevent visual bugs", or "setup Percy/Chromatic".
Construction Estimator
by jmsktm
Construction cost estimation, project budgeting, material takeoffs, and bid preparation for contractors and builders
api-testing-observability-api-mock
by xfstudio
"You are an API mocking expert specializing in realistic mock services for development, testing, and demos. Design mocks that simulate real API behavior and enable parallel development."
Testing
by andrueandersoncs
This skill should be used when the user asks about "Effect testing", "@effect/vitest", "it.effect", "it.live", "it.scoped", "it.layer", "it.prop", "Schema Arbitrary", "property-based testing", "fast-check", "TestClock", "testing effects", "mocking services", "test layers", "TestContext", "Effect.provide test", "time testing", "Effect test utilities", "unit testing Effect", "generating test data", "flakyTest", "test coverage", "100% coverage", "service testing", "test doubles", "mock services", or needs to understand how to test Effect-based code.
engineering-review-framework
by derKlinke
Structured pre-implementation engineering review for code writing, implementation planning, and architecture decisions. Use when drafting or reviewing plans before code changes, or when the user asks for rigorous analysis of architecture, code quality, testing, and performance with explicit tradeoffs, opinionated recommendations, and user checkpoints.
deployment-pipeline
by hieutrtr
Deployment procedures and CI/CD pipeline configuration for Python/React projects. Use when deploying to staging or production, creating CI/CD pipelines with GitHub Actions, troubleshooting deployment failures, or planning rollbacks. Covers pipeline stages (build/test/staging/production), environment promotion, pre-deployment validation, health checks, canary deployment, rollback procedures, and GitHub Actions workflows. Does NOT cover Docker image building (use docker-best-practices) or incident response (use incident-response).
openspec-long-running-harness
by rexleimo
Use when implementing long-running agent workflows that need cross-session state persistence, incremental progress tracking, and gate enforcement. Combines OpenSpec spec-driven development with Anthropic's effective harnesses pattern for multi-context-window projects.
dispatching-parallel-agents
by derKlinke
Use when facing 2+ independent tasks that can be worked on without shared state or sequential dependencies
e2e-scraper
by macaron-software
End-to-end testing for bank scrapers. Use when writing or modifying tests for the scraping layer. Covers mocking bank websites, testing virtual keyboard solvers, OTP flows, data extraction validation, and scraper resilience (retry, error handling, anti-bot detection).
aave-integration
by intenxus
This skill should be used when the user needs to interact with AAVE V3 protocol contracts directly, read on-chain data, get reserve configurations, fetch current APY rates, simulate position changes, or execute protocol operations programmatically. Provides low-level access to AAVE Pool contracts, UI Pool Data Provider, and quote generation for supply, borrow, repay, and withdraw operations on Ethereum and Arbitrum.
Requirements Management
by andrueandersoncs
This skill should be used when the user asks about "Effect services", "dependency injection", "Effect.Tag", "Context.Tag", "Layer", "Effect.provide", "Effect.provideService", "service implementation", "managing dependencies", "Layer.succeed", "Layer.effect", "Layer.scoped", "composing layers", "Layer.merge", "Layer.provide", "default services", "layer memoization", "testability", "test layers", "mock services", or needs to understand how Effect handles the Requirements (R) type parameter.
pre-merge-checklist
by hieutrtr
Comprehensive pre-merge validation checklist for Python/React pull requests. Use before approving or merging any PR. Covers code quality checks (linting, formatting, type checking), test coverage requirements, documentation updates, migration safety, API contract compatibility, accessibility compliance, bundle size impact, and deployment readiness. Provides a systematic checklist that ensures nothing is missed before merge. Does NOT cover security review depth (use code-review-security).
attack-tree-construction
by xfstudio
Build comprehensive attack trees to visualize threat paths. Use when mapping attack scenarios, identifying defense gaps, or communicating security risks to stakeholders.
swift-mvvm
by tobitech
"Use when writing or refactoring Swift (SwiftUI/UIKit/AppKit) code to follow MVVM with a small, testable ViewModel. Triggers on: MVVM, ViewModel, ObservableObject, @Observable, Observation, AppKit, NSViewController, UIKit, state management, dependency injection, protocol adapters, refactor view logic, massive view model, testable, async/await, Combine, Swift Testing, #expect."
Code Style
by andrueandersoncs
This skill should be used EVERY TIME you're writing TypeScript with Effect, especially when the user asks about "Effect best practices", "Effect code style", "idiomatic Effect", "functional programming", "no loops", "no for loops", "avoid imperative", "Effect Array", "Effect Record", "Effect Struct", "Effect Tuple", "Effect Predicate", "Schema-first", "Match-first", "when to use Schema", "when to use Match", "branded types", "dual APIs", "Effect guidelines", "do notation", "Effect.gen", "pipe vs method chaining", "Effect naming conventions", "Effect project structure", "data modeling in Effect", or needs to understand idiomatic Effect-TS patterns and conventions.
ios-apple-docs
by derKlinke
Use when ANY question involves Apple framework APIs, Swift compiler errors, or Xcode-bundled documentation. Covers Liquid Glass, Swift 6.2 concurrency, Foundation Models, SwiftData, StoreKit, 32 Swift compiler diagnostics.