Testing

Configure three-layer pre-commit system with linting, type checking, and testing hooks. Use for quality gate setup and code standards. Skip if pre-commit is optimally configured.

When the user wants to plan, design, or implement an A/B test or experiment. Also use when the user mentions "A/B test," "split test," "experiment," "test this change," "variant copy," "multivariate test," "hypothesis," "should I test this," "which version is better," "test two versions," "statistical significance," or "how long should I run this test." Use this whenever someone is comparing two approaches and wants to measure which performs better. For tracking implementation, see analytics-tracking. For page-level conversion optimization, see page-cro.

LLM observability platform for tracing, evaluation, and monitoring. Use when debugging LLM applications, evaluating model outputs against datasets, monitoring production systems, or building systematic testing pipelines for AI applications.

Complete browser automation with Playwright. Auto-detects dev servers, writes clean test scripts to /tmp. Test pages, fill forms, take screenshots, check responsive design, validate UX, test login flows, check links, automate any browser task. Use when user wants to test websites, automate browser interactions, validate web functionality, or perform any browser-based testing.

'Consult this skill for Python testing implementation and patterns. Use

Configure GitHub Actions CI/CD workflows for automated testing, linting, and deployment. Use for CI/CD setup and quality automation. Skip if CI/CD configured or using different platform.

Analyze Ruby and Rails code quality with RubyCritic. Identifies code smells, complexity issues, and refactoring opportunities. Provides detailed metrics, scores files A-F, compares branches, and prioritizes high-churn problem areas. Use when analyzing Ruby code quality, reviewing PRs, or identifying technical debt.

TDD-style testing methodology for skills using fresh subagent instances

'Use this skill for test suite evaluation and quality assessment. Use

MANDATORY gate BEFORE merging PR or deploying to production in smite project. Invoke FIRST when 'comprehensive review', 'check security', 'performance review', 'test coverage review', 'code quality audit' - orchestrates parallel review by 4 specialized agents (security, performance, testing, documentation) with consolidated report and scoring. Specific phrases: 'review this PR', 'security audit', 'performance check', 'test review'. (user)

An executable, spec-driven framework for building production-ready AI-native applications. Based on 2026 best practices.

AI-powered self-healing Selenium tests with Reqnroll BDD

Test API endpoints, validate responses, and generate test suites