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Found 3,730 Skills
Playwright automation best practices for web scraping and testing. Use when writing or reviewing Playwright code, especially for element operations (click, fill, select), waiting strategies (waitForSelector, waitForURL, waitForLoadState), navigation patterns, and locator usage. Apply when encountering unstable tests, race conditions, or needing guidance on avoiding deprecated patterns like waitForNavigation or networkidle.
Walk Claude through PyDESeq2-based differential expression, including ID mapping, DE testing, fold-change thresholding, and enrichment visualisation.
Designs and implements CI/CD pipelines for automated testing, building, deployment, and security scanning across multiple platforms. Covers pipeline optimization, test integration, artifact management, and release automation.
Controls InnerClaude instances on Sprites.dev VMs for testing workflows, install patterns, and Claude-to-Claude interaction. INVOKE BEFORE any 'sprite exec', 'inner Claude', 'test this workflow', 'Claude controlling Claude', or remote VM operations. Documents the critical tmux+pipe-pane pattern that makes OuterClaude/InnerClaude interaction work. Also covers checkpoint/restore and bootstrap. (user)
Design test cases based on requirements. Use when users need test case design, testing strategy, or QA planning. Triggers on keywords like "test cases", "test design", "unit test", "integration test", "e2e test".
Apply named refactoring transformations to improve code structure without changing behavior. Use when the user mentions "refactor this", "code smells", "extract method", "replace conditional", or "technical debt". Covers smell-driven refactoring, safe transformation sequences, and testing guards. For code quality foundations, see clean-code. For managing complexity, see software-design-philosophy.
Development framework and testing environment for TRON (TVM) and EVM-compatible chains — compile, migrate, test, and console.
Design robust A/B test experiments. Use when testing a new feature, validating a hypothesis, or optimizing conversion rates.
End-to-end application deployment orchestration for the Kubernetes homelab. Use when: (1) Deploying a new application to the cluster, (2) Adding a new Helm release to the platform, (3) Setting up monitoring, alerting, and health checks for a new service, (4) Research before deploying, (5) Testing deployment on dev cluster before GitOps promotion. Triggers: "deploy app", "add new application", "deploy to kubernetes", "install helm chart", "/deploy-app", "set up new service", "add monitoring for", "deploy with monitoring"
[Testing] Autonomous subagent variant of code-review. Use when reviewing code changes, pull requests, or performing refactoring analysis with focus on patterns, security, and performance.
@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.
TypeScript and JavaScript development standards for modern web and Node.js development. Covers strict TypeScript configuration, type safety patterns, ESM modules, async/await, testing with Jest/Vitest, and security best practices. Use when working with .ts, .tsx, .js, .mjs files, package.json, tsconfig.json, or when asking about TypeScript/JavaScript best practices.