Code review, debugging, architecture, testing, deployment, and development workflows.
45 skills
Review code changes for security vulnerabilities, performance issues, and correctness. Catches N+1 queries, injection risks, missing edge cases, and error handling gaps before they reach production.
/engineering:code-review Generate standup updates from git commits and recent work. Formats yesterday/today/blockers in seconds.
/engineering:standup React and Next.js performance optimization guidelines from Vercel Engineering. 40+ rules across 8 categories covering components, data fetching, bundle optimization, and rendering.
/vercel-react-best-practices Deploy applications and websites to Vercel instantly. Handles deployment, preview URLs, environment variables, and project configuration.
/deploy-to-vercel Review UI code for web interface best practices compliance. Audits 100+ rules covering accessibility, performance, UX patterns, and responsive design.
/web-design-guidelines Integrate Sentry monitoring into Next.js applications. Setup, configuration, error boundaries, performance monitoring, and source maps for full-stack observability.
/sentry-nextjs-sdk Comprehensive Cloudflare platform skill covering Workers, Pages, KV, D1, R2, Workers AI, Vectorize, Agents SDK, feature flags, networking, security, and IaC with Terraform/Pulumi.
/cloudflare Debug and fix production issues using Sentry data. Analyze error traces, performance bottlenecks, and user impact to prioritize and resolve issues quickly.
/sentry-fix-issues Vercel cost and performance optimization for deployed projects. Analyzes metrics, usage, and project config to produce ranked recommendations for bill reduction and speed improvements.
/vercel-optimize Cloudflare Workers CLI for deploying, developing, and managing Workers, KV, R2, D1, Vectorize, Queues, Workflows, and Secrets Store with correct syntax and best practices.
/wrangler Deploy Expo/React Native apps with EAS Build and Submit. Configure build profiles, app signing, over-the-air updates, and app store submission workflows.
/expo-deployment React composition patterns that scale. Compound components, render props, context providers, and component architecture for building flexible component libraries.
/vercel-composition-patterns Analyze web performance using Chrome DevTools. Measures Core Web Vitals (LCP, INP, CLS), identifies render-blocking resources, layout shifts, caching issues, and accessibility gaps.
/web-perf Build AI agents on Cloudflare Workers using the Agents SDK. Stateful agents, durable workflows, WebSocket apps, scheduled tasks, MCP servers, chat and voice agents.
/agents-sdk Review code with Sentry's engineering standards. Focuses on error handling, observability, logging, and production-readiness patterns.
/sentry-code-review Implement smooth, native-feeling animations using React's View Transition API. Page transitions, shared element animations, route change animations, and directional navigation.
/vercel-react-view-transitions Review and author Cloudflare Workers code against production best practices. Checks streaming, floating promises, global state, secrets, bindings, and observability.
/workers-best-practices Build server-side API routes in Expo Router. Create REST endpoints, handle authentication, connect to databases, and deploy serverless functions alongside your mobile app.
/expo-api-routes React Native and Expo best practices for performant mobile apps. 16 rules across 7 sections covering performance, architecture, animations, and platform-specific patterns.
/vercel-react-native-skills Automated PR review powered by Sentry context. Reviews pull requests with awareness of production error patterns, performance regressions, and observability gaps.
/sentry-pr-code-review Create and review Cloudflare Durable Objects for stateful coordination — chat rooms, multiplayer games, booking systems with RPC, SQLite, alarms, and WebSockets.
/durable-objects Build native UI components in Expo using SwiftUI (iOS) and Jetpack Compose (Android). Create truly native experiences beyond React Native's built-in components.
/building-native-ui Create and evaluate architecture decision records (ADRs). Use when choosing between technologies, documenting design decisions with trade-offs, reviewing system design proposals, or designing new components from requirements.
/engineering:architecture Build, debug, and optimize Claude API and Anthropic SDK applications. Handles prompt caching, tool use, batch processing, thinking, compaction, and model migration between Claude versions.
/claude-api Structured debugging session — reproduce, isolate, diagnose, and fix. Best for error messages, stack traces, staging vs production divergence, or when behavior unexpectedly deviates from expected.
/engineering:debug Pre-deployment verification checklist. Verify CI, migrations, flags, rollback plan before shipping.
/engineering:deploy-checklist Write and maintain technical docs: READMEs, runbooks, API docs, architecture guides.
/engineering:documentation Run incident response: triage, communicate, resolve, and write a blameless postmortem.
/engineering:incident-response Build high-quality MCP (Model Context Protocol) servers to integrate external APIs and services. Supports Python (FastMCP) and Node/TypeScript (MCP SDK) implementations.
/mcp-builder Design systems, services, and APIs. Covers data models, service boundaries, scaling trade-offs.
/engineering:system-design Identify, categorize and prioritize technical debt. Audit code health and build a refactoring backlog.
/engineering:tech-debt Design test strategies and plans. From unit to e2e, coverage targets, and CI integration.
/engineering:testing-strategy Build complex multi-component claude.ai HTML artifacts using React, Tailwind CSS, and shadcn/ui. Handles state management, routing, and component composition for rich web experiences.
/web-artifacts-builder Test local web applications using Playwright for UI verification. Capture screenshots, debug UI behavior, view browser logs, and verify frontend functionality.
/webapp-testing Core skills library with 20+ battle-tested skills for Claude Code. Includes memory management, task planning, code review, git workflows, and development automation.
/superpowers Senior UI/UX Engineer. Architect digital interfaces overriding default LLM biases. Enforces metric-based rules, strict component architecture, CSS hardware acceleration, and balanced design engineering.
/design-taste-frontend This skill encodes Emil Kowalski's philosophy on UI polish, component design, animation decisions, and the invisible details that make software feel great.
/emil-design-eng Official Expo team skills for building React Native apps with Expo. Covers project setup, navigation, native modules, EAS builds, and deployment workflows.
/expo-skills Expert guidance for ffuf web fuzzing during penetration testing. Directory brute-forcing, parameter discovery, virtual host enumeration, and fuzzing workflows.
/ffuf-web-fuzzing Create animation-rich HTML presentations with smooth transitions, code highlighting, and interactive elements. Export-ready slide decks with modern web technologies.
/frontend-slides Build and navigate iOS apps through Xcode simulator automation. Streamlines iOS development with automated building, testing, and UI interaction workflows.
/ios-simulator-skill General-purpose browser automation using Playwright. Automate web interactions, testing, scraping, and browser-based workflows with full control over navigation and DOM.
/playwright-skill Give Claude Code full context on shadcn/ui components — proper usage patterns, theming, composition, and accessibility. Build UIs with the shadcn component library correctly.
/shadcn-ui Convert documentation websites into Claude Skills automatically. Scrapes docs, structures content, and generates proper SKILL.md files from any documentation site.
/skill-seekers Security analysis skills from Trail of Bits — static analysis with CodeQL and Semgrep, vulnerability detection, code auditing, and security review workflows.
/trailofbits-security