Testing skills

This skill helps you apply balanced coding patterns and best practices to improve maintainability, scalability, and code quality across projects.

This skill helps teams craft explicit, measurable success criteria for tasks, enabling verifiable completion and evidence-based validation.

This skill helps you build beautiful, high-performance Flutter apps by applying official best practices for architecture, widgets, state, testing, and tooling.

This skill helps you write and review unit tests using AAA, determinism, and reviewer guidelines to improve clarity and coverage.

This skill enforces robust Java and Spring Boot guidelines to enhance maintainability, immutability, and clean architecture across projects.

This skill helps you review Next.js 14+ App Router patterns for server components, data fetching, performance, and accessibility to ship robust apps.

This skill helps reproduce intermittent bugs and isolate triggers by creating minimal, self-contained tests and validating consistency across environments.

This skill generates high-quality unit tests from given test cases, following Given-When-Then, test-data best practices, and language-specific rules for Java.

This skill helps you design flexible, maintainable systems by applying classic design patterns with Python examples to refactor complex code.

This skill provides authoritative guidance on Fastify best practices focusing on plugin architecture, encapsulation, and composition to build maintainable

This skill generates realistic mock data and stub functions to isolate tests, speeding up development and improving test reliability.

This skill helps implement real-time collaboration with Velt CRDT by guiding setup, integration, and debugging across editors and stores.

This skill guides safe navigation and modification of an existing codebase, helping onboarding, impact analysis, and risk-aware changes across languages.

This skill deploys a local production-configured server split across panes for backend and frontend, enabling prod testing locally.

This skill verifies your changes and ensures tests and scope compliance before committing, reducing risk of cheating or scope creep.

This skill helps you run end-to-end tests with Playwright MCP in interactive mode and generate markdown test reports under docs/testing.

This skill enables desktop automation by controlling mouse, keyboard, and screen for efficient UI tasks across apps.

This skill captures a webpage screenshot via Playwright and uploads it to Slack with an optional comment for context.

This skill conducts thorough Lua code reviews focusing on quality, security, and alignment with project standards to guide PR decisions.

This skill enforces a strong reasoner and planner workflow before any action, ensuring rigorous planning, hypothesis-driven debugging, and risk-conscious

This skill generates production-realistic CSV files with proper headers, data types, and configurable row counts for testing, demos, and development.