verify-this — Verify a claim with fresh local evidence: restate it falsifiably, capture baseline and treatment, compare artifacts, and return VERIFIED, NOT VERIFIED.
video — When the user wants to create, generate, or produce video content using AI tools or programmatic frameworks.
video-comparer — This skill should be used when comparing two videos to analyze compression results or quality differences.
visual-explainer — Generate self-contained HTML visual explanations for systems, code changes, plans, data, and technical concepts.
vite — Vite build tool configuration, plugin API, SSR, and Vite 8 Rolldown migration.
vitepress — VitePress static site generator powered by Vite and Vue. Use when building documentation sites, configuring themes, or writing Markdown with Vue components.
vitest — Vitest fast unit testing framework powered by Vite with Jest-compatible API.
vue-best-practices — MUST be used for Vue.js tasks. Strongly recommends Composition API with `<script setup>` and TypeScript as the standard approach. Covers Vue 3, SSR, Volar.
vue-expert — Builds Vue 3 components with Composition API patterns, configures Nuxt 3 SSR/SSG projects, sets up Pinia stores, scaffolds Quasar/Capacitor mobile apps.
vue-testing-best-practices — Use for Vue.js testing. Covers Vitest, Vue Test Utils, component testing, mocking, testing patterns, and Playwright for E2E testing.
vueuse-functions — Apply VueUse composables where appropriate to build concise, maintainable Vue.js / Nuxt features.
vulnerability-triage-brocards — This skill should be used when the user asks to "triage a vulnerability report", "assess a CVE", "evaluate a bug bounty submission".
waf — Configures AWS WAF to filter web traffic: creating web access control lists (web ACLs) on CloudFront, Application Load Balancers, API Gateway, and AppSync.
wait-what — Stop. That last message did not land: re-pitch it.
wayfinder — Plan a huge chunk of work (more than one agent session can hold) as a shared map of decision tickets on your issue tracker.
web-artifacts-builder — Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS.
web-perf — Audit, diagnose, or optimize website loading and interaction performance, Core Web Vitals, and Lighthouse performance scores.
webapp-testing — Toolkit for interacting with and testing local web applications using Playwright.
websocket-engineer — Use when building real-time communication systems with WebSockets or Socket.IO. Invoke for bidirectional messaging, horizontal scaling with Redis.
weekly-review — Produce a weekly synthesis of authored commits with highlights by bugfix, tech debt, and net-new work
what-did-i-get-done — Summarize authored commits over a user-specified time period into a concise update
why — Use for 'why does X work this way', 'why we picked Y', design rationale, regressions, postmortems, or data-backed thresholds.
windows-remote-desktop-connection-doctor — Diagnose Windows App (Microsoft Remote Desktop / Azure Virtual Desktop / W365 / direct PC) connection issues on macOS.
wizard — Generate an interactive bash wizard that walks a human through steps only they can perform.
wordpress-pro — Develops custom WordPress themes and plugins, creates and registers Gutenberg blocks and block patterns, configures WooCommerce stores.
workers-best-practices — Cloudflare Workers best practices for production applications. Use when writing, reviewing, or configuring Workers.
workflow-from-chats — Extract durable working preferences from recent Cursor chats and convert them into skills, rules, or workflow docs.
wps-doc-scraper — Faithfully archive public WPS/KDocs/金山文档 links, especially embedded ProcessOn .pof mind maps and canvases, as raw source data, original SVG/PNG.
wrangler — Run or troubleshoot Wrangler CLI commands and configure Worker projects for local development, deployment, and Cloudflare resource management.
write-swift — How to write modern Swift well — modeling with value types, Swift 6 data-race safety and approachable concurrency (@concurrent, main-actor-by-default, actors.
writing-beats — Writing, exploit; assemble raw material into a journey of beats, grounding each term before a beat leans on it.
writing-for-agents — Writing documents for agents. Use when creating or editing skills, or modifying AGENTS.md or CLAUDE.md.
writing-fragments — Writing, explore: mine raw fragments, no structure yet.
writing-guidelines — Review docs/prose for Writing Guidelines compliance.
writing-lean-proofs — Writes and reviews structured Lean 4 proofs and designs Lean libraries following Mathlib conventions.
writing-plans — Use when you have a spec or requirements for a multi-step task, before touching code
writing-shape — Writing, exploit: shape raw material into an article, paragraph by paragraph.
writing-skills — Use when creating new skills, editing existing skills, or verifying skills work before deployment
wwas — Create product backlog items in Why-What-Acceptance format — independent, valuable, testable items with strategic context.
wycheproof — Validates cryptographic implementations against Project Wycheproof's test vectors, which encode known attacks and edge cases across AES, RSA, ECDSA, ECDH.
X Chat — Read, summarize, or send encrypted X Chat (XChat) DMs via the X plugin MCP plus local chatxdk / xchat_lite.py. Use when the user mentions X Chat, xchat.
X MCP guide — ALWAYS read this when a user connects the X plugin or any X MCP, before using any X connection, and again on any X error.
X Money guide — Read this before the first X Money action in a session and again on any X Money error, refusal, or missing capability.
xlsx — Use this skill any time a spreadsheet file is the primary input or output.
yara-rule-authoring — Guides authoring of high-quality YARA-X detection rules for malware identification. Use when writing, reviewing, or optimizing YARA rules.
youtube-downloader — Download YouTube videos and HLS streams (m3u8) from platforms like Mux, Vimeo, etc. using yt-dlp and ffmpeg.
zeroize-audit — Detects missing zeroization of sensitive data in source code and identifies zeroization removed by compiler optimizations, with assembly-level analysis.