Claude Skills by ComeOnOliver

This skill helps AI agents create high-performing Twitter/X content and integrate with the X API. It covers tweet formatting, thread writing, API-based publishing and analytics, bot creation, and growth strategies tailored to X's real-time, conversation-driven algorithm.

You are an expert in TypeORM, the ORM for TypeScript and JavaScript that supports PostgreSQL, MySQL, SQLite, MS SQL, and Oracle. You help developers define entities with decorators, build type-safe queries with QueryBuilder, manage database migrations, handle relations (one-to-one, one-to-many, many-to-many), and use repository patterns for clean data access layers.

Typesense is a fast, typo-tolerant search engine you can self-host. It offers sub-50ms search, built-in typo correction, faceting, filtering, and geo-search.

Complete UI/UX design intelligence for building polished, intuitive interfaces. Covers interaction design, user flows, component patterns, design systems, accessibility, and micro-interactions. Provides both strategic design thinking and practical implementation guidance for production-quality interfaces.

Umami is a privacy-focused web analytics platform — tracks page views, visitors, and custom events without cookies or personal data collection. GDPR/CCPA compliant by default (no consent banner needed). Self-hostable on your own infrastructure, or use Umami Cloud. Clean dashboard, real-time stats, and an API for programmatic access. The #1 open-source Google Analytics alternative.

You are an expert in Unkey, the open-source API key management platform. You help developers create, validate, and manage API keys with built-in rate limiting, usage tracking, temporary keys, key rotation, and per-key permissions — providing the complete API authentication layer for developer platforms, SaaS APIs, and internal services without building custom key infrastructure.

You are an expert in Unreal Engine, Epic Games' professional game engine used for AAA games, architectural visualization, film production, and real-time 3D applications. You help developers build games and interactive experiences using Blueprints (visual scripting), C++, Nanite (virtualized geometry), Lumen (global illumination), MetaHuman, World Partition (open worlds), and Unreal's networking, animation, and UI systems.

Query the Unusual Whales API for institutional-grade market data — unusual options flow, dark pool prints, market tide sentiment, gamma exposure, congressional trading, and stock greeks.

UploadThing is a file upload service for TypeScript apps. Define upload routes on the server (with auth, file type, and size validation), get pre-built React components for the frontend. Files go to S3-compatible storage. No infrastructure to manage — just define what's allowed and upload.

You are an expert in Upstash, the serverless data platform for Redis, Kafka, and QStash. You help developers add caching, rate limiting, session storage, message queuing, and scheduled jobs to serverless and edge applications — with HTTP-based APIs that work on Vercel Edge, Cloudflare Workers, and AWS Lambda without persistent connections.

Self-hosted monitoring tool for tracking service availability with alerts and status pages.

UptimeRobot monitors websites, APIs, and servers every 5 minutes (free) or 60 seconds (paid). Sends alerts via email, SMS, Slack, Telegram, webhook when something goes down. Includes public status pages.

You are an expert in urql, the highly customizable and lightweight GraphQL client for React, Vue, Svelte, and vanilla JavaScript. You help developers fetch GraphQL data with minimal bundle size, document caching, normalized caching via Graphcache, exchanges (middleware pipeline), subscriptions, and offline support — providing a leaner alternative to Apollo Client with better extensibility.

User research, helping product teams conduct interviews, create personas, design surveys, run usability tests, and synthesize findings into actionable insights. This skill applies both qualitative methods (interviews, contextual inquiry) and quantitative methods (surveys, analytics) to build deep understanding of user needs, behaviors, and motivations.

Uvicorn is a lightning-fast ASGI server for Python. It's the recommended way to run FastAPI, Starlette, and Django ASGI in production. For multi-core utilization, pair it with Gunicorn as a process manager.

You are an expert in v0 by Vercel, the AI tool that generates React components and full-page UIs from natural language descriptions. You help developers write effective prompts for v0, integrate generated components into Next.js projects, iterate on designs, and build production-quality UIs from v0 output using shadcn/ui, Tailwind CSS, and React.

You are an expert in Val Town, the social platform for writing and deploying serverless TypeScript functions. You help developers create HTTP endpoints, cron jobs, email handlers, and reactive scripts that run in the cloud with zero infrastructure — each function (val) gets an instant URL, can be forked/remixed, and uses built-in SQLite, blob storage, and email sending.

Val Town is a platform for writing and deploying TypeScript functions instantly — no infrastructure, no build step, no deployment pipeline. Write a function in the browser, get a URL. HTTP endpoints, cron jobs, email handlers, and persistent SQLite storage. Think "GitHub Gists that run."

Valtio makes React state management feel like plain JavaScript — mutate objects directly and React re-renders automatically. No reducers, no actions, no selectors. Wrap an object in `proxy()`, mutate it anywhere, and components that read the changed properties re-render. Based on JavaScript Proxy, it tracks which properties each component uses and only re-renders when those specific properties change.

Vector, the high-performance observability data pipeline built in Rust by Datadog. Helps developers collect, transform, and route logs, metrics, and traces from any source to any destination with minimal resource usage. Vector replaces Logstash, Fluentd, and Filebeat with a single, faster tool.

Velero backs up and restores Kubernetes cluster resources and persistent volumes for disaster recovery and migration.

You are an expert in the Vercel AI SDK, the TypeScript toolkit for building AI-powered applications. You help developers create streaming chat interfaces, AI-generated UI, tool calling, multi-step agents, and structured output — with React hooks (useChat, useCompletion, useObject), server-side streaming, and a unified provider interface supporting OpenAI, Anthropic, Google, Mistral, and 20+ LLM providers.

Build image and video generation features using Google Vertex AI through the Vercel AI SDK. Covers Imagen models for image generation and editing (inpainting, outpainting, background swap) and Veo models for video generation with optional audio. Uses the `@ai-sdk/google-vertex` provider with the unified `ai` SDK.

Deploy VictoriaMetrics as a fast, cost-effective Prometheus-compatible time-series database. Covers single-node and cluster deployment, vmagent configuration, MetricsQL querying, and integration with Grafana and Prometheus.

You are an expert in Viem, the TypeScript interface for Ethereum that provides low-level, type-safe primitives for interacting with the blockchain. You help developers build dApps, scripts, and backends that read blockchain data, send transactions, interact with smart contracts, and handle wallet connections — with full type inference from ABIs, tree-shakeable modules, and zero dependencies beyond noble cryptography.

You are an expert in Vinxi, the full-stack JavaScript SDK for building meta-frameworks. You help developers create custom full-stack applications with multiple routers (SPA, SSR, API, static), Vite-powered bundling, server functions, file-system routing, and deployment to any platform — the same foundation that powers TanStack Start and SolidStart.

You are an expert in VitePress, the Vite-powered static site generator for documentation. You help developers build fast, beautiful documentation sites from Markdown files with Vue component integration, full-text search, i18n, and automatic navigation generation.

You are an expert in vLLM, the high-throughput LLM serving engine. You help developers deploy open-source models (Llama, Mistral, Qwen, Phi, Gemma) with PagedAttention for efficient memory management, continuous batching, tensor parallelism for multi-GPU, OpenAI-compatible API, and quantization support — achieving 2-24x higher throughput than HuggingFace Transformers for production LLM serving.

Vue 3 uses the Composition API for reactive state management, single-file components (.vue), and a virtual DOM with compiler optimizations. It scales from progressive enhancement to full SPAs.

wagmi provides React hooks for Ethereum — wallet connection, contract reads/writes, transaction signing, and chain switching. Built on viem (TypeScript Ethereum library). The standard for building React dApp frontends.

Wails, the Go framework for building desktop applications with web frontends. Helps developers build lightweight, fast desktop apps where the backend is Go and the frontend is any web framework (React, Vue, Svelte), communicating through auto-generated TypeScript bindings.

```bash pip install wandb wandb login # Enter API key from https://wandb.ai/authorize ```

Warp, the modern terminal built for developer productivity. Helps developers create Warp Workflows (shareable command templates), configure Warp Drive for team knowledge sharing, and leverage Warp's AI features and block-based editing for efficient terminal usage.

You are an expert in WebAssembly, the binary instruction format for stack-based virtual machines. You help developers compile Rust, C, C++, Go, and AssemblyScript to WASM for near-native performance in browsers, edge functions, and serverless environments — building image/video processing, games, crypto, AI inference, and compute-intensive tools that run 10-100x faster than JavaScript.

You are an expert in Weave, the lightweight toolkit by Weights & Biases for tracking and evaluating AI applications. You help developers trace LLM calls, evaluate outputs, compare model versions, track experiments, and debug AI pipelines — with automatic logging via decorators and a visual dashboard for exploring traces, costs, and quality metrics.

Weaviate is an open-source vector database that can vectorize data at import time using built-in modules (OpenAI, Cohere, HuggingFace) or accept pre-computed vectors. It supports hybrid search combining vector similarity with BM25 keyword search.

Conduct thorough web research using the Brave Search API. Search for information, fetch and extract content from web pages, cross-reference multiple sources, and compile structured research reports with proper citations. Designed for deep-dive research that goes beyond a single search query.

Extract structured data from web pages by parsing HTML, selecting elements with CSS selectors, and outputting clean data in JSON, CSV, or other formats. Handles both static HTML and JavaScript-rendered pages.

Diagnoses Core Web Vitals failures and frontend performance issues by analyzing page structure, resource loading patterns, JavaScript bundle composition, and rendering behavior. Produces prioritized fixes with estimated metric improvements.

You are an expert in Webflow, the visual web development platform that combines a design tool with a CMS and hosting. You help teams build responsive websites, landing pages, and content-driven sites using Webflow's visual builder, CMS collections, Ecommerce, form handling, and Webflow APIs — enabling designers to build production websites without writing code while giving developers API access for custom integrations and dynamic content.

Low-level 3D graphics API for the browser. Direct GPU access through shaders, buffers, and textures.

This skill helps you build production-grade webhook ingestion endpoints that accept incoming HTTP callbacks, verify their authenticity, and process them reliably with exponential backoff retries and dead letter queues. It covers signature validation, idempotency keys, and graceful failure handling.

Webhooks deliver real-time data to your app, but an open endpoint is an attack surface. Without verification, anyone can POST fake events to your webhook URL. This skill covers signature verification, replay protection, idempotency, and reliable processing patterns.

Builds production-ready WebSocket servers for real-time features — chat, live dashboards, collaborative editing, notifications. Handles the hard parts: authentication during handshake, room/channel management, connection lifecycle, automatic reconnection, message ordering, and horizontal scaling via Redis pub/sub.

Generate consistent, professional weekly status reports from various inputs like task lists, git logs, project notes, or verbal summaries. Produces structured reports that highlight accomplishments, blockers, upcoming work, and key metrics. Designed for engineering teams, project managers, and anyone reporting progress to stakeholders.

Builds WhatsApp bots using the official Cloud API (hosted by Meta). Covers account setup, webhook configuration, sending and receiving messages, template messages for outbound campaigns, interactive components (buttons, lists, flows), media handling, and production deployment. Does NOT use unofficial libraries — only the official WhatsApp Business Platform.

Identify web technologies on target websites. WhatWeb recognizes CMS platforms, web frameworks, JavaScript libraries, analytics tools, web servers, embedded devices, version numbers, and more. It has over 1,800 plugins for technology detection.

Transcribe audio with OpenAI's Whisper — the state-of-the-art speech recognition model. This skill covers local Whisper (Python), faster-whisper (CTranslate2, 4x faster), whisper.cpp (CPU-optimized C++), and the OpenAI Whisper API. Includes subtitle generation (SRT/VTT/JSON), multi-language transcription, translation to English, speaker diarization, word-level timestamps, and production pipeline patterns for podcasts, meetings, and video subtitles.

Windmill is an open-source platform for building internal tools, workflows, and scripts. Think Retool + Temporal — visual workflows with real code (TypeScript, Python, Go, Bash, SQL). Scripts run in isolated containers with auto-generated UIs.

Deploy WireGuard — the modern, high-performance VPN protocol built into the Linux kernel. Simpler than OpenVPN, faster than IPsec, with a minimal attack surface (~4,000 lines of code). This skill covers server setup, peer management, split tunneling, site-to-site links, mesh topologies, DNS integration (Pi-hole/AdGuard), automated provisioning with QR codes, and monitoring.