E2E Testing

Build end-to-end automated tests that simulate real user interactions across the full application stack. Use for E2E test, Selenium, Cypress, Playwright, browser automation, and user journey testing.

Develop lightweight Flask APIs with routing, blueprints, database integration, authentication, and request/response handling. Use when building RESTful APIs, microservices, or lightweight web services with Flask.

Distribute content globally using CloudFront with caching, security headers, WAF integration, and origin configuration. Use for low-latency content delivery.

Automate browser interactions using Selenium WebDriver. Use this skill when you need to interact with dynamic JavaScript-heavy websites, fill forms, click buttons, handle authentication, or scrape content that requires browser rendering. NOT needed for static HTML parsing or processing already-fetched content.

Expert payment integration specialist mastering payment gateway integration, PCI compliance, and financial transaction processing. Specializes in secure payment flows, multi-currency support, and fraud prevention with focus on reliability, compliance, and seamless user experience.

Expert on Model Context Protocol (MCP) integration, MCP servers, installation, configuration, and authentication. Triggers when user mentions MCP, MCP servers, installing MCP, connecting tools, MCP resources, MCP prompts, or remote/local MCP servers.

Expert on Plaid Auth product for bank account authentication and verification. Covers account and routing number retrieval, account ownership verification, balance checks, and integration patterns. Invoke when user mentions Plaid Auth, ACH verification, bank account verification, or routing numbers.

Connect to REST APIs, manage authentication, and process responses. Use for API integration tasks.

Multi-agent orchestration system that coordinates specialized agents (PM, Architect, DevOps, QA, Tech Lead, Security) to work together on complex tasks. Implements hierarchical orchestrator-worker pattern. Activates for complex multi-step requests requiring multiple roles/skills. Keywords: build product, create SaaS, full implementation, end-to-end, multi-agent, orchestrate, coordinate roles, complex project.

Non-testing browser automation - web scraping, form filling, screenshot capture, PDF generation, workflow automation. For TESTING with Playwright, use e2e-playwright skill instead. Activates for web scraping, form automation, screenshot, PDF, headless browser, Puppeteer, Selenium, automation scripts, data extraction.

Comprehensive Playwright end-to-end testing expertise covering browser automation, cross-browser testing, visual regression, API testing, mobile emulation, accessibility testing, test architecture, page object models, fixtures, parallel execution, CI/CD integration, debugging strategies, and production-grade E2E test patterns. Activates for playwright, e2e testing, end-to-end testing, browser automation, cross-browser testing, visual testing, screenshot testing, API testing, mobile testing, accessibility testing, test fixtures, page object model, POM, test architecture, parallel testing, playwright config, trace viewer, codegen, test debugging, flaky tests, CI integration, playwright best practices.

Python backend developer for FastAPI, Django, Flask APIs with SQLAlchemy, Django ORM, Pydantic validation. Implements REST APIs, async operations, database integration, authentication, data processing with pandas/numpy, machine learning integration, background tasks with Celery, API documentation with OpenAPI/Swagger. Activates for: Python, Python backend, FastAPI, Django, Flask, SQLAlchemy, Django ORM, Pydantic, async Python, asyncio, uvicorn, REST API Python, authentication Python, pandas, numpy, data processing, machine learning, ML API, Celery, Redis Python, PostgreSQL Python, MongoDB Python, type hints, Python typing.

Multi-framework UI testing expert - Cypress, Testing Library, component tests. Use for framework comparison, Cypress-specific testing, or React Testing Library. For DEEP Playwright expertise, use e2e-playwright skill instead. Activates for Cypress, Testing Library, component tests, React testing, Vue testing, framework comparison, which testing tool, Cypress vs Playwright, render component, fireEvent, userEvent, screen queries, getByRole, getByText, getByTestId, waitFor, findBy, queryBy, test component, mount component, shallow render, integration test UI, DOM testing, accessibility testing, aria queries, form testing, user interaction testing, click test, input test.

Creates Salesforce architecture diagrams using Mermaid with ASCII fallback. Use when visualizing OAuth flows, data models (ERDs), integration sequences, system landscapes, role hierarchies, or Agentforce agent architectures.

Executes the /clarify phase using AskUserQuestion tool to resolve ambiguities through structured questions (≤3), prioritization, and answer integration. Use when spec.md contains [NEEDS CLARIFICATION] markers, when requirements need disambiguation, or when running /clarify command to resolve critical scope/security/UX ambiguities before planning. (project)

Write and run end-to-end tests with Playwright for user flows, page interactions, and visual regression. Use when testing user journeys, ensuring UI functionality works correctly.

Use when building Spring Boot 3.x applications, microservices, or reactive Java applications. Invoke for Spring Data JPA, Spring Security 6, WebFlux, Spring Cloud integration. Keywords: Spring Boot, Spring Framework, Spring Cloud, WebFlux, microservices.

Implement robust E2E tests with Playwright or Cypress using Page Object Model, proper waits, and CI/CD integration. Covers selector strategies, flaky test prevention, and cross-browser testing patterns.

Modern security standards including Zero Trust Architecture, supply chain security, DevSecOps integration, and cloud-native protection

Browser automation tool using Playwright - captures screenshots and extracts content from web pages