Testing skills

This skill generates atomic, step-by-step backend task plans with TDD tests, exact code, and verification commands.

This skill helps ensure your Python projects meet all quality gates before completion, preventing issues and guaranteeing production readiness.

This skill helps you design interactive CLI prompts with text, list, checkbox, password, autocomplete, and conditional questions across Python and Node.js.

This skill helps you create thorough unit tests for individual functions and classes with proper mocks, assertions, and coverage.

This skill generates comprehensive tests for custom hooks using Vitest and Testing Library, covering initialization, actions, prop changes, async hooks, and

This skill helps diagnose environment and configuration issues causing failures by verifying settings, permissions, and platform differences across contexts.

This skill enables systematic debugging to identify root causes using a 4-phase approach, improving reproducibility and fix quality.

This skill guides you to understand product requirements and build interactive frontend pages that deliver a polished user experience.

This skill enforces consistent input and API data validation using Zod schemas and guard helpers, ensuring safe boundary checks.

This skill helps you create and validate integration tests across components, APIs, databases, and end-to-end flows to ensure cross-boundary correctness.

This skill helps you create comprehensive unit, integration, and E2E tests for frontend projects, managing coverage across __tests__ and e2e.

This skill guides you in reviewing CLI code with SIGINT, prompts cancellation, and exit code patterns to improve UX and reliability.

This skill helps implement authentication, authorization, and data protection with secure practices across endpoints and data handling.

This skill applies domain-driven design principles to model domain concepts, enforce invariants, and separate domain logic from infrastructure.

This skill orchestrates automated dependency updates by delegating research, impact analysis, code changes, and validation to specialized agents.

This skill guides damper assembly, testing, and troubleshooting for DSSV dampers, helping operators achieve consistent fills, charges, and pass-fail criteria.

This skill provides battle-tested Commander.js patterns and templates to build robust Node.js CLIs with TypeScript support.

This skill helps you improve code quality through incremental refactoring while preserving behavior, guided by the test suite as the contract.

This skill helps you migrate dependencies and APIs across projects by guiding library replacements and API pattern updates with a test-first workflow.

This skill provides structured code reviews to catch correctness, security, performance, and readability issues early and before merging.

This skill initiates a comprehensive code review by invoking the titans three-lens review to improve quality and maintainability.