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Found 2,347 Skills
Browser automation for web tasks - scraping, form filling, testing, screenshots, data extraction. Use when tasks involve web pages, URLs, login flows, or web interaction.
Use when testing "web application", "Playwright", "browser automation", "UI testing", "frontend testing", "E2E testing", "end-to-end tests", or asking about "test local webapp", "browser screenshots", "DOM inspection"
TypeScript/JavaScript Test-Driven Development with Vitest, strict red-green-refactor methodology, React component testing, and comprehensive coverage patterns. Use when implementing TypeScript features with TDD, writing Vitest tests, testing React components, developing with test-first approach, or when user mentions 'TypeScript TDD', 'Vitest', 'React testing', 'JavaScript TDD', 'red-green-refactor', 'TypeScript unit tests', or 'test-driven TypeScript'.
OWASP Mobile Top 10 security testing for Android and iOS — local storage, certificate pinning bypass, IPC abuse, and binary protections.
Get best practices for XUnit unit testing, including data-driven tests
@classytic/arc — Resource-oriented backend framework for Fastify. Use when building REST APIs with Fastify, resource CRUD, defineResource, createApp, permissions, presets, database adapters, hooks, events, QueryCache, authentication, multi-tenant SaaS, OpenAPI, job queues, WebSocket, or production deployment. Triggers: arc, fastify resource, defineResource, createApp, BaseController, arc preset, arc auth, arc events, arc jobs, arc websocket, arc plugin, arc testing, arc cli, arc permissions, arc hooks, arc pipeline, arc factory, arc cache, arc QueryCache.
Deployment & Operations Expert responsible for securely, rollbackable, and observably deploying builds that pass Reviewer and QA gates to servers (PM2 3-process cluster + Nginx reverse proxy + BT Panel). Adheres to engineering baselines including zero-downtime deployment, health checks, rollback within ≤3 minutes, and post-release smoke testing. Handles deployment orchestration, configuration management, traffic management, and monitoring & alerting. Applicable when receiving task cards from the Deploy department or needing to release to production.
Uses Riverpod for state management in Flutter/Dart. Use when setting up providers, combining requests, managing state disposal, passing arguments, performing side effects, testing providers, or applying Riverpod best practices.
Mutation-driven test vector generation. Finds implementations of a cryptographic algorithm or protocol, runs mutation testing to identify escaped mutants, then generates new test vectors that deliberately exercise the uncovered code paths. Compares before/after mutation kill rates to prove vector effectiveness. Use when generating cryptographic test vectors, measuring Wycheproof coverage gaps, finding escaped mutants via mutation testing, creating cross-implementation test suites, or improving test vector coverage for crypto primitives.
Analyzes Xcode selective testing effectiveness for a test run, showing which test targets were skipped or ran, and diagnosing regressions in test selection. Can compare two test runs to identify what changed.
Use when setting up monitoring systems, logging, metrics, tracing, or alerting. Invoke for dashboards, Prometheus/Grafana, load testing, profiling, capacity planning.
Production Fastify (TypeScript) patterns: schema validation, plugins, typed routes, error handling, security hardening, logging, testing with inject, and graceful shutdown