Cursor skills, plugins, subagents, slash commands and mcp servers

design claudekit skill Generates logos, brand identity assets, design tokens, Chart.js HTML slides, and multi-platform banners using Python scripts and AI providers. Claude Code CX Codex GitHub Copilot 40,800installs ui-styling claudekit skill A skill that helps your agent build accessible interfaces with shadcn/ui and Tailwind CSS: components, themes, dark mode, responsive layouts and canvas design. Claude Code CX Codex GitHub Copilot 40,200installs brand claudekit skill Keeps brand voice, visual rules and design tokens in one markdown file, then feeds them to your agent's prompts and to your CSS variables. Claude Code CX Codex GitHub Copilot 39,500installs banner-design claudekit skill Generates banners for social media, ads, and web hero sections using HTML/CSS. Useful when you need fast visual creative assets directly in your coding agent. Claude Code CX Codex GitHub Copilot 39,000installs slides claudekit skill Builds strategic HTML presentations using Chart.js and design tokens. Useful for generating pitch decks and marketing slides directly from the agent. Claude Code CX Codex GitHub Copilot 38,400installs write-swift emilkowalski skill This skill guides Swift coding, reviews, and migrations using the language’s current practices. Use it to investigate concurrency errors, hangs, data races, or retain cycles. Claude Code CX Codex GitHub Copilot 117,500installs vercel-optimize vercel-labs skill A skill that audits Vercel spend and speed: it gathers usage and route metrics first, then recommends code and config changes. Claude Code CX Codex GitHub Copilot 110,000installs code-review-and-quality addyosmani skill Five review axes and a limit on diff size, so an agent checks a change before merge instead of after. Claude Code CX Codex GitHub Copilot 72,500installs writing-guidelines vercel skill A skill that reviews docs and prose against a written style guide. You get findings with line numbers instead of hunting through the file yourself. Claude Code CX Codex GitHub Copilot 105,900installs security-and-hardening addyosmani skill Guides threat modeling and security checks for code that handles user input, authentication, sessions, or external services. Use it when building a feature that accepts untrusted data or reviewing code before release. Claude Code CX Codex GitHub Copilot 69,400installs marketing-psychology coreyhaines31 skill Applies behavioral science and mental models to marketing decisions. It helps teams analyze buyer motivations and solve funnel bottlenecks. Claude Code CX Codex GitHub Copilot 164,000installs content-strategy coreyhaines31 skill Plans content roadmaps, selects blog topics, and balances searchable search-intent pieces with shareable formats. Use it when deciding what to write next to bring in leads. Claude Code CX Codex GitHub Copilot 163,400installs frontend-ui-engineering addyosmani skill Enforces production standards for component architecture, WCAG 2.1 AA accessibility, and design systems. Stops AI models from defaulting to purple buttons, heavy shadows, and arbitrary spacing. Claude Code CX Codex GitHub Copilot 66,600installs i-have-adhd ayghri skill Reshapes agent replies so the next action comes first. Turn it on with /i-have-adhd, off with "stop adhd mode". Claude Code CX Codex GitHub Copilot 29,200installs performance-optimization addyosmani skill An agent skill that measures before it changes code: Core Web Vitals budgets, N+1 queries, missing indexes and slow endpoints. Claude Code CX Codex GitHub Copilot 64,500installs spec-driven-development addyosmani skill Enforces writing a structured specification before coding. Useful when starting new features, tackling vague requirements, or making architectural decisions. Claude Code CX Codex GitHub Copilot 64,300installs planning-and-task-breakdown addyosmani skill Breaks specifications into small, testable tasks with clear acceptance criteria. Prevents agents from jumping straight into coding before dependencies and risks are mapped. Claude Code CX Codex GitHub Copilot 63,600installs ai-seo coreyhaines31 skill Use this skill to work on content visibility in AI search and investigate why AI-generated answers cite—or miss—your brand. Claude Code CX Codex GitHub Copilot 150,100installs documentation-and-adrs addyosmani skill Captures architectural decisions (ADRs) and the context behind code changes. Useful for tracking design choices, API updates, and trade-offs. Claude Code CX Codex GitHub Copilot 63,200installs copy-editing coreyhaines31 skill This skill edits existing marketing copy while preserving its core message and the author's voice. Use it to proofread, refine a specific line, or refresh outdated content. Claude Code CX Codex GitHub Copilot 148,500installs code-simplification addyosmani skill Clarifies code and removes unnecessary complexity without altering behavior. Useful when refactoring working features that feel harder to maintain than they should. Claude Code CX Codex GitHub Copilot 62,200installs debugging-and-error-recovery addyosmani skill This skill guides an agent from reproducing a failure to checking the fix. Use it when tests fail, a build breaks, or runtime behavior differs from expectations. Claude Code CX Codex GitHub Copilot 62,200installs api-and-interface-design addyosmani skill Guides API and module-boundary design with explicit contracts, validation, and consistent errors. Use it for REST, GraphQL, or public interfaces. Claude Code CX Codex GitHub Copilot 61,900installs marketing-ideas coreyhaines31 skill This skill suggests marketing ideas for SaaS and software products based on their stage and available resources. Use it when you need a place to start with growth. Claude Code CX Codex GitHub Copilot 146,400installs incremental-implementation addyosmani skill Directs agents to deliver code in thin, verified vertical slices instead of bulk edits. Fits multi-file refactoring and feature work behind flags. Claude Code CX Codex GitHub Copilot 61,300installs test-driven-development addyosmani skill This skill guides work through red-green-refactor: write a failing test, add the smallest passing code, then refactor. Use it for logic, bugs, and behavior changes. Claude Code CX Codex GitHub Copilot 61,300installs context-engineering addyosmani skill Helps you set up agent context: which rules, specs and files to feed the agent, and when. Use it at the start of a session, when output quality drops, or when switching tasks. Claude Code CX Codex GitHub Copilot 60,900installs ai-sdk vercel skill Teaches your coding agent to use the Vercel AI SDK accurately. It forces the model to read installed package docs instead of relying on memory. Claude Code CX Codex GitHub Copilot 66,000installs git-workflow-and-versioning addyosmani skill A skill that sets git discipline for coding agents: atomic commits, short-lived branches, worktrees for parallel work. Useful when the agent commits faster than you review. Claude Code CX Codex GitHub Copilot 58,900installs idea-refine addyosmani skill Turns raw concepts into sharp, actionable plans through structured divergence and stress-testing. Creates a concise MVP one-pager. Claude Code CX Codex GitHub Copilot 58,600installs summarize openclaw skill Runs a CLI tool to summarize or transcribe web articles, YouTube videos, podcasts, and local PDF documents directly within your AI assistant. Claude Code CX Codex GitHub Copilot 26,900installs using-agent-skills addyosmani skill A meta-skill that tells the agent which skill from the agent-skills collection fits the task in front of it, and which behaviour rules apply all the time. Claude Code CX Codex GitHub Copilot 58,500installs gws-gmail official googleworkspace skill This skill hands your agent Gmail: send mail, read the inbox, reply in a thread. Useful when email work already runs through the gws CLI. Claude Code CX Codex GitHub Copilot 81,900installs browser-testing-with-devtools addyosmani skill Connects your coding agent to Chrome via DevTools MCP. Helps inspect the live DOM, catch console errors, check network payloads, and visually verify UI fixes. Claude Code CX Codex GitHub Copilot 57,900installs shipping-and-launch addyosmani skill Walks your agent through a production launch: pre-launch checklist, monitoring, staged rollout and a rollback plan. Useful when a feature reaches real users. Claude Code CX Codex GitHub Copilot 57,800installs source-driven-development addyosmani skill Grounds agent coding decisions in official documentation. It helps verify framework APIs against detected versions and avoids outdated patterns from model training data. Claude Code CX Codex GitHub Copilot 57,600installs ci-cd-and-automation addyosmani skill Builds a GitHub Actions CI/CD pipeline for a repo: lint, type check, tests, build and dependency audit chained as gates on every pull request. Claude Code CX Codex GitHub Copilot 57,500installs deprecation-and-migration addyosmani skill Guides the retirement of old systems, APIs, and features and moves users to a replacement. It also covers production database migrations without downtime. Claude Code CX Codex GitHub Copilot 56,800installs interview-me addyosmani skill Conducts a one-question-at-a-time interview to extract actual project intent before any code or specs. Useful when a task is underspecified. Claude Code CX Codex GitHub Copilot 56,700installs planning-with-files OthmanAdi skill Keeps task plans and progress in local Markdown files. Useful for agent tasks and research requiring five or more tool calls. Claude Code CX Codex GitHub Copilot 46,900installs