Skills

Patterns.dev skill for React render-performance optimization — compute derived values during render (not stored state), subscribe to coarse-grained values (`isMobile` not `width`), extract expensive subtrees into memoized components for early-return skipping, lazy `useState` init, and functional `setState` for stable callbacks. Ordered by impact, with React Compiler caveats noted.

An agent skill that teaches best practices for Redis connection management, covering connection pooling, multiplexing, pipelining, client-side caching, timeouts, and slow command handling.

Web application testing skill using native Python Playwright scripts for verifying frontend functionality, debugging UI behavior, screenshots, and browser logs, from Antigravity collection

A collection of AI development standards and skills for enforcing coding conventions, architecture patterns, and quality practices in AI-assisted development.

Performs comprehensive biomedical searches across PubMed, preprints, clinical trials, and FDA drug labels using semantic natural language queries.

Creates high-quality skills by running three competing parallel approaches (skill-creator, superpowers, and manual), comparing results on five dimensions, then synthesizing the best elements into a final SKILL.md through a full 10-step workflow pipeline.

A collection of Claude Code skills covering framework-specific development expertise including FastAPI, Python, and other technologies with best practices.

Develops robust Java applications using Spring Boot, enterprise patterns, and modern Java features with best practices and clean code principles.

Patterns.dev skill teaching modern React data-fetching patterns — parallel fetches with `Promise.all`, defer-await, TanStack Query / SWR with caching and deduplication, Suspense + `useSuspenseQuery` for declarative loading, and prefetch-on-hover for instant navigation. Applied during code generation, review, and refactoring of `fetch` + `useEffect` anti-patterns.

Rslib best-practices skill for writing, reviewing, and troubleshooting Rslib library projects—covers config, CLI workflow, output formats, declaration files, dependency handling, build optimization, and toolchain integration. Part of the Rstack agent-skills collection.

Meta-skill that establishes how to find and use other skills, requiring skill invocation before any response when there is even a 1% chance a skill might apply to the current task.

Part of the official Vercel plugin that provides AI agents with a relational knowledge graph of the Vercel ecosystem, covering 25 skills for products, libraries, CLI, APIs, and workflows including AI SDK, authentication, deployments, storage, and routing middleware.

Generates professional animated CLI demos and terminal recordings with automated command-based GIF creation and customizable options.

A skill for creating and managing isolated cloud sandboxes on the Daytona platform, providing secure code execution environments with dedicated runtimes, kernel, filesystem, and network stack. Covers Python, TypeScript, Go, and Ruby SDKs for sandbox lifecycle management, file operations, and process execution.

ECC (Everything Claude Code) is a harness-native operator system for agentic work with Claude Code, supporting multiple languages including Shell, TypeScript, Python, Go, Java, Perl, and Markdown. It has accumulated 182K+ stars and 28K+ forks, reflecting broad community adoption as an extensible framework for AI-driven development workflows.

A Claude Code skill from the product domain that provides structured workflows and decision frameworks for product discovery, user research, and opportunity validation.

Best practices and coding guidelines for Sass using the original indented syntax (whitespace-sensitive, no curly braces or semicolons). Covers file organization with the 7-1 pattern, variables, mixins, nesting conventions, and clean maintainable stylesheet architecture.

A skill from Anthropic's Knowledge Work Plugins that helps deflect support tickets by surfacing relevant knowledge base articles and automated responses, part of the customer-support plugin ecosystem for Cowork and Claude Code.

Enforces Apple's Human Interface Guidelines for tvOS, providing AI-guided rules for designing intuitive, platform-specific TV app interfaces and interactions.

patterns.dev skill teaching **bundle splitting** with Webpack or Rollup — separate non-critical code (rarely-used features, interaction-triggered modules) out of the initial bundle to improve FCP, LCP, and TTI without changing user-visible behavior.

Cloudflare troubleshooting skill for investigating and resolving configuration issues using API-driven evidence gathering, covering SSL errors, redirect loops, DNS issues, and systematic investigation methodology

Provides patterns for building end-to-end automated tests that simulate real user interactions using Playwright, covering test structure, page object model, selector strategy, and CI integration.

An API skill from the gws CLI for Google Workspace, providing AI agent access to the Google Alert Center API for managing security alerts and notifications. The gws CLI dynamically discovers API endpoints and outputs structured JSON across 30+ Google Workspace services.

An auto-generated data engineering skill from the ara.so trending-skills collection, sourced from the Harvard Artifacts Collection Data Engineering Analytics App project for building data pipelines around Harvard Art Museums data.

LLM-powered second brain skill for Obsidian that enables AI coding agents to manage, query, and connect knowledge across vault notes, functioning as a personal wiki with intelligent linking and retrieval capabilities.

A collection of 112 reusable agent skills for AI coding assistants, providing specialized knowledge and workflows organized by category.

Exits copilot mode and returns Claude Code to autonomous mode with full worktree enforcement and the complete workflow pipeline active.

CI/CD pipeline engineering skill specializing in GitHub Actions, GitLab CI, and Jenkins automation, covering secure deployment strategies, testing gates, artifact management, supply chain security, and ArgoCD/GitOps patterns

Generates comprehensive, SEO-optimized competitor comparison and alternative pages that help potential customers make informed product decisions through deep research and strategic positioning.

An AI agent skill for autonomous penetration testing using Kali Linux, providing 269 CLI security tools across 14 categories, 15+ scenario playbooks, intelligent attack path planning, cross-phase result integration, and mandatory human approval gates for high-risk actions.