Skill Claude CodeCodex needs its repo
Integration testing with real dependencies in throwaway Docker containers using the Testcontainers Node.js API - GenericContainer, exposed ports, wait strategies, module containers, Docker Compose environments, and reliable cleanup.
Skill Claude CodeCodex
Testing Docker containers and images including Dockerfile linting, container structure tests, security scanning, and multi-stage build validation.
Skill Claude CodeCodex
.NET testing with xUnit, NUnit, MSTest, FluentAssertions, Moq, integration testing with WebApplicationFactory, and Entity Framework testing.
Skill Claude CodeCodex needs its repo
Testing patterns for Drizzle ORM covering migration testing, query builder testing, transaction testing, and database integration testing with PostgreSQL, SQLite, and MySQL.
Skill Claude CodeCodex
Comprehensive end-to-end testing methodologies and best practices covering architecture, test design, data management, flakiness prevention, and cross-browser strategies.
Skill Claude CodeCodex
Testing edge computing deployments including latency verification, edge function testing, CDN worker testing, and geo-distributed test execution.
Skill Claude CodeCodex
Elasticsearch testing including index management, query validation, mapping verification, bulk operation testing, and search relevance scoring.
Skill Claude CodeCodex
Email delivery testing including content verification, rendering across clients, spam score checking, link validation, and transactional email workflow testing.
Skill Claude CodeCodex needs its repo
Audit empty states across web applications ensuring proper messaging, helpful CTAs, illustration rendering, and graceful handling when data is unavailable.
Skill Claude CodeCodex
End-to-end database testing with test containers, data seeding, cleanup strategies, transaction isolation, and production data anonymization.
Skill Claude CodeCodex
Testing in ephemeral preview environments for pull requests including environment provisioning, data seeding, and automated teardown.
Skill Claude CodeCodex needs its repo
Validate error boundary implementations in React and other frameworks ensuring graceful degradation, proper fallback UI rendering, and error recovery flows.
Skill Claude CodeCodex
Testing error handling paths including exception propagation, error boundaries, retry logic, circuit breakers, and graceful degradation.
Skill Claude CodeCodex needs its repo
Audit error messages across an application for clarity, actionability, consistency, and user-friendliness by cataloging and grading every error surface.
Skill Claude CodeCodex
Enforce test quality with ESLint - eslint-plugin-jest, eslint-plugin-playwright, and eslint-plugin-testing-library rules in flat config, blocking focused tests, missing assertions, and flaky waits via a CI lint gate.
Skill Claude CodeCodex
Android UI testing with Espresso framework including view matchers, actions, assertions, idling resources, and RecyclerView testing patterns.
Skill Claude CodeCodex
Testing event sourcing patterns including event store validation, projection testing, saga orchestration, and event versioning compatibility.
Skill Claude CodeCodex
Create C-suite and VP level resumes emphasizing strategic leadership.
Skill Claude CodeCodex
Generate structured exploratory testing charters with focused missions, time-boxed sessions, risk-based areas, and standardized note-taking templates for systematic exploration.
Skill Claude CodeCodex
Express.js API testing with supertest, middleware testing, route handler testing, error handling verification, and authentication testing.
Skill Claude CodeCodex
Generating realistic test data with Faker libraries for names, addresses, emails, dates, and domain-specific data with reproducible seed control.
Skill Claude CodeCodex
FastAPI application testing with TestClient, dependency injection overrides, async testing, database testing with SQLAlchemy, and OpenAPI validation.
Skill Claude CodeCodex
Testing feature flag implementations including flag evaluation, gradual rollout verification, fallback behavior, and flag cleanup detection.
Skill Claude CodeCodex
Comprehensive file upload testing including format validation, size limits, malware scanning, storage verification, and concurrent upload handling.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: