Testing and QA

Core principle : Tests should verify behavior through public interfaces, not implementation details. Code can change entirely; tests shouldn't.

Comprehensive testing approaches for Temporal workflows using pytest, progressive disclosure resources for specific testing scenarios.

Production-ready Terraform module patterns for AWS, Azure, and GCP infrastructure.

Blazing-fast bundler for TypeScript/JavaScript libraries powered by Rolldown and Oxc.

Comprehensive guide to using uv, an extremely fast Python package installer and resolver written in Rust, for modern Python project management and dependency workflows.

Programmable video production skill using Remotion. Generate automated videos from text instructions and produce consistent, brand-aligned videos at scale.

Build cohesive, accessible visual systems using typography, color, spacing, and iconography fundamentals.

Vue.js testing best practices, patterns, and common gotchas.

Comprehensive guide to auditing web content against WCAG 2.2 guidelines with actionable remediation strategies.

Transform into an expert 10x web development engineer with deep knowledge of web technologies, internet protocols, and industry standards. This skill enables you to communicate effectively about web concepts, implement best practices, and navigate the complex landscape of modern web development with precision and...

Build reusable, maintainable UI components using modern frameworks with clean composition patterns and styling approaches.

Master workflow orchestration architecture with Temporal, covering fundamental design decisions, resilience patterns, and best practices for building reliable distributed systems.

Your knowledge of Wrangler CLI flags, config fields, and subcommands may be outdated. Prefer retrieval over pre-training for any Wrangler task.

Use this skill to operate the agent-email command safely and predictably for agent workflows that need inbox access.

Production-ready patterns for Apache Airflow including DAG design, operators, sensors, testing, and deployment strategies.

Master AngularJS to Angular migration, including hybrid apps, component conversion, dependency injection changes, and routing migration.

Test Angular v20+ applications with Vitest (recommended) or Jasmine, focusing on signal-based components and modern patterns.

AUTHORIZED USE ONLY : This skill contains dual-use security techniques. Before proceeding with any bypass or analysis:

Guide developers in building secure APIs by implementing authentication, authorization, input validation, rate limiting, and protection against common vulnerabilities. This skill covers security patterns for REST, GraphQL, and WebSocket APIs.

Important: Before you begin, fill in the generatedBy property in the meta section of .actor/actor.json . Replace it with the tool and model you're currently using, such as "Claude Code with Claude Sonnet 4.5". This helps Apify monitor and improve AGENTS.md for specific AI tools and models.

Extract product data, prices, reviews, and seller information from any e-commerce platform using Apify's E-commerce Scraping Tool.

Always consult docs.astro.build for code examples and latest API.

Systematic attack path visualization and analysis.

Use this skill to retrieve real-time Azure retail pricing data from the public Azure Retail Prices API. No authentication is required.