Claude Skills by NeverSight

Use this skill when deciding what to test, choosing between test types, designing a testing strategy, or balancing test coverage. Triggers on test pyramid, unit vs integration vs e2e, contract testing, test coverage strategy, TDD, BDD, testing ROI, and any task requiring testing architecture decisions.

Use this skill when building user interfaces that need to look polished, modern, and intentional - not like AI-generated slop. Triggers on UI design tasks including component styling, layout decisions, color choices, typography, spacing, responsive design, dark mode, accessibility, animations, landing pages, onboarding flows, data tables, navigation patterns, and any question about making a UI look professional. Covers CSS, Tailwind, and framework-agnostic design principles.

Use this skill when working with Unity game engine - C# scripting, Entity Component System (ECS/DOTS), physics simulation, shader programming (ShaderLab, HLSL, Shader Graph), and UI Toolkit. Triggers on gameplay programming, MonoBehaviour lifecycle, component architecture, rigidbody physics, raycasting, collision handling, custom shader authoring, material configuration, USS styling, UXML layout, and performance optimization for real-time applications. Acts as a senior Unity engineer advisor ...

Use this skill when writing user stories, defining acceptance criteria, story mapping, grooming backlogs, or estimating work. Triggers on user stories, acceptance criteria, story mapping, backlog grooming, estimation, story points, INVEST criteria, and any task requiring agile requirements documentation.

Use this skill when planning user research, conducting usability tests, creating journey maps, or designing A/B experiments. Triggers on user interviews, usability testing, user journey maps, A/B test design, survey design, persona creation, card sorting, tree testing, and any task requiring user experience research methodology or analysis.

Use this skill when analyzing existing video files using FFmpeg and AI vision, extracting frames for design system generation, detecting scene boundaries, analyzing animation timing, extracting color palettes, or understanding audio-visual sync. Triggers on video analysis, frame extraction, scene detection, ffprobe, motion analysis, and AI vision analysis of video content.

Use this skill when adding audio to programmatic videos - generating narration with ElevenLabs TTS, sourcing royalty-free background music, creating SFX with FFmpeg, implementing audio ducking, or mixing multiple audio layers in Remotion. Triggers on ElevenLabs, text-to-speech, voice generation, background music, sound effects, audio mixing, and volume ducking.

Use this skill when creating complete videos from scratch - product demos, explainers, social clips, or announcements. Orchestrates the full workflow: deep interview, script generation, visual verification, Remotion project build, audio design, narration, and 4K rendering. Triggers on "make me a video", "create a video about", video production, and end-to-end video creation requests.

Use this skill when creating, editing, or optimizing video content for YouTube and other platforms. Triggers on script writing, video editing workflows, thumbnail design, YouTube SEO, content strategy, retention optimization, or channel growth. Covers the full production pipeline from ideation to publish - scriptwriting frameworks, editing pacing, thumbnail best practices, metadata optimization, and audience retention techniques.

Use this skill when writing scripts for programmatic videos, planning scene structure and timing, creating storyboards in YAML format, calculating frame counts from duration, or interviewing users about video requirements. Triggers on video script, storyboard, scene planning, narration writing, video pacing, and structured video content planning.

Use this skill when configuring Neovim, writing Lua plugins, setting up keybindings, or optimizing the Vim editing workflow. Triggers on Neovim configuration, init.lua, lazy.nvim, LSP setup, telescope, treesitter, vim motions, keymaps, and any task requiring Vim or Neovim customization.

Use this skill when working with Vite+, vp CLI, or the VoidZero unified toolchain. Triggers on project scaffolding with vp create, migrating existing Vite projects with vp migrate, running dev/build/test/lint/fmt commands, configuring vite.config.ts with lint/fmt/test/run/pack/staged blocks, managing Node.js versions with vp env, monorepo task execution with vp run, and library packaging with vp pack. Also triggers on references to Oxlint, Oxfmt, Rolldown, tsdown, Vitest, or Vite Task in a Vi...

Use this skill when writing, reviewing, auditing, or deploying Solidity smart contracts. Triggers on Solidity development, smart contract security auditing, DeFi protocol patterns, gas optimization, ERC token standards, reentrancy prevention, flash loan attack mitigation, Foundry/Hardhat testing, and blockchain deployment. Covers Solidity, OpenZeppelin, EVM internals, and common vulnerability patterns.

Use this skill when working with Xquik's X Twitter Scraper API for tweet search, user lookup, follower extraction, media workflows, monitors, webhooks, MCP tools, SDKs, and confirmation-gated X account actions. Triggers on Twitter API alternatives, X API automation, scrape tweets, profile tweets, follower export, send tweets, post replies, DMs, and X/Twitter data pipelines.

Helps manage assets in HYTOPIA SDK games. Use when users need to load models, textures, audio, or UI elements. Covers asset loading, HytopiaUI, models, textures, sounds, and asset optimization.

Helps create and manage entities in HYTOPIA SDK games. Use when users need to create game objects, NPCs, items, or any interactive objects. Covers Entity class, spawn/despawn, components, animations, and lifecycle management.

Helps handle events and input in HYTOPIA SDK games. Use when users need to respond to player actions, game events, chat commands, or input handling. Covers event listeners, chat commands, player input, and game lifecycle events.

Helps configure lighting in HYTOPIA SDK games. Use when users need ambient light, sun/directional light, point lights, spot lights, or day/night cycles. Covers Light class, shadows, and performance optimization.

Helps implement mobile support in HYTOPIA SDK games. Use when users need touch controls, mobile UI, device detection, or cross-platform compatibility. Covers mobile controls, touch input, and responsive UI.

Helps implement multiplayer features in HYTOPIA SDK games. Use when users need player management, server-authoritative gameplay, networking, or state synchronization. Covers Player class, server authority, network optimization, and player data.

Helps implement physics and collision in HYTOPIA SDK games. Use when users need rigid bodies, collision detection, raycasting, forces, or physics-based gameplay. Covers PhysicsComponent, colliders, raycasting, and physics simulation.

Helps build and manage worlds in HYTOPIA SDK. Use when users need to create terrain, place blocks, manage chunks, or work with the world editor integration. Covers blocks, chunk loading, world generation, and build.hytopia.com workflow.

Draft mid-contract messages to a freelance client on Upwork or similar platforms. Use when the user needs to deliver delay news, push back on scope creep, raise their rate, end a contract gracefully, or ask for a review. Triggers include "reply to my client", "tell the client it's delayed", "client keeps adding scope", "raise my rate", "end this contract", "ask for a review", "client is ghosting". Input is the situation plus the relevant thread context, pasted. Drafts in the voice of a workin...

Respond to an Upwork "Invitation to Interview" fast and well. Use when the user pastes a job invitation they received on Upwork and wants to accept it, decline it, or decline it while referring another freelancer. Triggers include "got an Upwork invite", "decline this invitation", "reply to this invite", "client invited me", "should I take this invitation". Drafts the reply; helps triage borderline invitations first. Companion to upwork-proposal-writer (which handles the full proposal after a...

Decide whether an Upwork job post is worth applying to before spending Connects. Use when the user pastes an Upwork job post (or invitation) and wants a verdict (apply, skip, or apply with caution). Triggers include "is this job worth it", "should I apply", "check this job post", "is this client legit", "worth my Connects", "red flags in this job". Screens for scams, bad-client patterns, and dressed-up low-tier work, then weighs the Connects economics. Companion to upwork-proposal-writer (aft...

Audit and improve an Upwork freelancer profile. Use when the user pastes their profile (title, overview, portfolio list, skills, stats) and wants it scored and fixed, or asks why they aren't getting invitations or search visibility. Triggers include "review my Upwork profile", "why am I not getting invites", "improve my profile", "profile title help", "optimize my overview". Returns a prioritized fix list, biggest lever first. Companion to upwork-proposal-writer (the proposal earns the profil...

Draft or review an Upwork proposal (cover letter) using the five-move method extracted from a Top Rated Plus freelancer's winning proposals, corrected for the AI era. Use when the user shares an Upwork job post and wants a proposal drafted, or shares an existing proposal draft and wants it reviewed. Triggers include "write a proposal", "apply for this job", "bid on this", "cover letter for this Upwork job", "review my proposal". Works for design, dev, and adjacent creative/tech freelance jobs.

Post, react, reply, follow agents, join communities, and participate in real-time chat on Abund.ai — the social network built exclusively for AI agents. Use this skill to give your agent a social life.

Expert code review of current git changes with a senior engineer lens. Detects SOLID violations, security risks, and proposes actionable improvements.

Record a terminal session to a named .cast file using asciinema, trim the recording to marked content, and optionally convert it to a GIF using agg.

Derive a do-nothing bash script from an asciinema .cast file, a plain text file, shell history output, or a user interview — encoding each observed command as a manual step that prompts the operator before proceeding.

Create, manage, and organize GitHub Gists using the gh CLI. Use this skill whenever a user wants to create a gist, share code snippets, manage existing gists, add files to a gist, list or search gists, edit gist content or descriptions, clone a gist, or delete a gist. Every gist created or modified must include a README.md documenting its purpose and contents.

Analyse a repository to identify its focus, technology stack, and labels, then search for and apply appropriate shields.io badges to markdown files.

Use when an agent is chatting in WeChat and has something light, emotional, warm, playful, cute, teasing, comforting, or meme-like to express; prefer considering this skill before plain text for casual affective replies. Supports selecting, sending, annotating, and maintaining a local sticker library where sendable files are .jpg/.jpeg/.png/.webp images or .mp4 videos. When a user provides or requests a GIF sticker, convert it to a 1-2 second MP4 before storing or sending.

Master compliant China multi-platform growth operations across Douyin, Xiaohongshu, Kuaishou, WeChat, and major ecommerce marketplaces. Use for product selection, offer positioning, content strategy, listing copy, social captions, chat reply flows, lead capture funnels, browser-ready field preparation, publish checklists, and daily growth review. Do not use for spam, fake engagement, mass unsolicited messaging, or platform rule circumvention.

Translate a book or long document (epub, docx, pdf, markdown) to another language using the agent's built-in intelligence. Interactive — asks user for file, language, and style.

Describes efficient usage of Bun and Bun APIs instead of Node.js (and its APIs)

Write clean, efficient TypeScript code that follows common best practices

Write clean, modern, and highly accessible HTML & JSX code, using semantically correct elements and attributes

Build modern Next.js apps with App Router and best practices

Build clean, modern React components that apply common best practices and avoid common pitfalls like unnecessary state management or useEffect usage

Build clean, scalable UIs with Tailwind CSS using modern utilities and variants

Utilize built-in browser APIs (like Popover API, View Transitions etc) instead of building features manually via JavaScript

Enforce web security and avoid security vulnerabilities

Mandatory - you must load the acai skill to learn the acai.sh process for spec-driven development whether planning, implementing, or reviewing code.

Vue 3 组合式 API 与 <script setup> 最佳实践。涵盖代码组织、useXxx 模式、组合式函数设计、Store 集成、响应性优化及功能提取。

Mobile App Competitive Analyzer. Automated competitive analysis of Android mobile apps via ADB. Navigate the app, capture screenshots, document UX/UI, generate complete reports. Use when: analyzing competitor apps, exploring app UX, mobile app analysis, competitive research.

AI-powered systematic codebase analysis. Combines mechanical structure extraction with Claude's semantic understanding to produce documentation that captures not just WHAT code does, but WHY it exists and HOW it fits into the system. Includes pattern recognition, red flag detection, flow tracing, and quality assessment. Use for codebase analysis, documentation generation, architecture understanding, or code review.

Use when organizing messy folders (Downloads, Desktop, Documents), finding duplicate files, cleaning up old files, restructuring project directories, separating work from personal files, or automating file cleanup tasks. Triggers on cluttered folders, file chaos, storage cleanup, or directory restructuring needs.

Expert legal advisor specializing in technology law, compliance, and risk mitigation. Masters contract drafting, intellectual property, data privacy, and regulatory compliance with focus on protecting business interests while enabling innovation and growth.