Claude Skills

Use when pytest fixtures, conftest files, parametrize decorators, and fixture scopes for comprehensive test setup.

Use when validating GraphQL operations/documents against a schema, checking query depth, complexity, or fragment usage.

Use when managing agent context, memory, and conversation state in Claude AI agents using the Agent SDK.

Define routes and URL helpers in Phoenix applications including resources, scopes, pipelines, and verified routes

Use when implementing navigation in React Native Web projects. Provides patterns for React Navigation, deep linking, and web-specific routing.

Use when applying Phoenix Framework best practices including context design, controller patterns, and application architecture. Use when building Phoenix applications.

Use when implementing Kubernetes security best practices including RBAC, pod security policies, and network policies.

Use when analyzing and fixing Dialyzer warnings and type discrepancies in Erlang/Elixir code.

Use when cypress CI/CD integration including parallelization, test recording, and media capture.

Use when advanced Cypress features including custom commands, plugins, and network stubbing.

Writing effective step definitions and organizing test code

Cucumber best practices, patterns, and anti-patterns

Use when configuring Sentry alerts, managing issues, or setting up notifications. Covers alert rules, issue triage, and integrations.

Use when C# nullable reference types, null safety patterns, and migration strategies. Use when ensuring null safety in C# code.

Use when lINQ query and method syntax, deferred execution, and performance optimization. Use when querying collections in C#.

Use when creating custom Credo checks for project-specific code quality rules and standards in Elixir.

Use when designing modules and components requiring Composition Over Inheritance, Law of Demeter, Tell Don't Ask, and Encapsulation principles that transcend programming paradigms.

Use when working with Ruby blocks, procs, lambdas, and functional programming patterns including closures and higher-order functions.

Use when relay fragment composition, data masking, colocation, and container patterns for React applications.