Web & Frontend

packmindhub Skill

Implement a new Packmind AI agent rendering/deployer pipeline (single-file or multi-file) with type and registry wiring, frontend UI/docs updates, and thorough unit/integration tests to reliably support additional coding assistants and distribution formats when introducing a new agent integration or render mode.

b-open-io-prompts Bundle

This skill provides guidance for building MCP Apps, the official io.modelcontextprotocol/ui extension for interactive HTML interfaces inside MCP hosts. This skill should be used when the user asks to "create an MCP App", "add UI to an MCP tool", "build interactive MCP", "ui:// resource", "sandboxed iframe MCP", "interactive chat UI", "embed UI in chat", "MCP tool with interface", or needs capability negotiation, resource CSP, app-only tools, host lifecycle, or progressive text fallbacks.

b-open-io-prompts Bundle

This skill should be used when the user asks to "audit my shadcn app", "run shadscan", "improve my shadscan score", "raise my shadscan grade", "fix accessibility/states/forms regressions in my shadcn components", or "add a shadscan CI gate". Drives the shadscan static analyzer (`npx @shadscan/cli`) through an audit → fix → re-score loop against shadcn React components, and wires it into CI as a score gate.

sgcarstrends Bundle

Operate the Resend platform from the terminal — send emails (including React Email .tsx templates via --react-email), manage domains, contacts, broadcasts, templates, webhooks, API keys, logs, automations, and events via the `resend` CLI. Use when the user wants to run Resend commands in the shell, scripts, or CI/CD pipelines, or send/preview React Email templates. Always load this skill before running `resend` commands — it contains the non-interactive flag contract and gotchas that prevent silent failures.

sgcarstrends Skill

Optimize application performance - bundle size, API response times, database queries, React rendering, and serverless function performance. Use when investigating slow pages, profiling, load testing, or before production deployments.

sgcarstrends Bundle

Use when building HTML email templates with React components, adding a visual email editor to an application using the React Email visual editor, rendering emails to HTML, or sending emails with Resend. Covers welcome emails, password resets, notifications, order confirmations, newsletters, transactional emails, and the embeddable email editor component.

b-open-io-prompts Bundle

This skill should be used when the user asks to "design a business card", "make a printable PDF", "render HTML to PDF", "generate a postcard", "build print collateral", "set up an HTML print pipeline", or needs help with bleed, safe areas, font embedding, or QR generation for print. Provides a Playwright-based pipeline with multiple bundled templates and theme variants for business cards (minimal, watercolor light, watercolor dark) and instructions for adding new templates.

b-open-io-prompts Bundle

This skill should be used when the user asks to "build a Three.js scene", "set up React Three Fiber", "animate a mesh with useFrame", "load a GLTF or GLB model", or "add physics with react-three/rapier". Covers scene setup, Drei helpers, the asset pipeline, responsive canvas, and performance budgets for Three.js and React Three Fiber projects.

b-open-io-prompts Bundle

Turn a PR, branch, commit, or working-tree diff into one self-contained HTML recap page with before/after wireframes, contract summaries, a file map, and annotated diffs. Use for "recap this PR", "visual recap", "review this diff visually", "show me what this branch changed", "critique this change", or before any large or UI-heavy review. Not for small single-file diffs.

ab-aswini Bundle

React and Next.js performance optimization from Vercel Engineering. Use when building React components, optimizing performance, eliminating waterfalls, reducing bundle size, reviewing code for performance issues, or implementing server/client-side optimizations.

ab-aswini Skill

Review UI code for Web Interface Guidelines compliance. Use when asked to "review my UI", "check accessibility", "audit design", "review UX", or "check my site against best practices".

matrixx0070 Skill

Extract live data from websites with TinyFish and turn it into a polished, self-contained HTML dashboard — comparison tables, charts, stat tiles — that can be refreshed on demand. Use when the user wants a dashboard, tracker, comparison view, or visual report built from web data (e.g. compare prices across stores, track competitors, summarize listings).

sgcarstrends Skill

Verify Next.js runtime behavior after editing app code. Use this skill to confirm a change actually works in a running app — not just that it compiles or type-checks. Combines /_next/mcp (Next.js's view) with agent-browser (the browser's view). Requires a running `next dev`.

sgcarstrends Skill

Generate or update component documentation with usage examples, props tables, and Storybook stories. Use when documenting new components, creating usage examples, or setting up Storybook stories.

b-open-io-prompts Bundle

Produce one self-contained, theme-aware HTML page led by grounded diagrams for work that has not been built. Use for "make a visual proposal", "present these options visually", "diagram the trade-offs", "turn this plan into something reviewable", or a shareable design pitch, RFC, or options comparison. Use visual-review for completed code changes.

b-open-io-prompts Bundle

Assess and upgrade a Next.js project after resolving the target release from current official documentation. Includes tested automation and breaking-change guidance for the Next.js 15 to 16 migration. Use when the user says 'upgrade Next.js', 'migrate to Next.js 16', 'update my Next.js app', 'run the Next.js codemod', 'my Next.js version is outdated', or when a migration plan or baseline build comparison is needed.

matrixx0070 Bundle

Generate and extract data from professional documents — PDFs via HTML+Playwright, extraction via poppler-utils. Zero Python deps.

sgcarstrends Bundle

Turn on Cache Components in a Next.js app and resolve the blocking routes it surfaces. Use when the user wants to enable, adopt, or migrate to Cache Components, flip the `cacheComponents` flag, work through a flood of blocking-prerender / instant validation errors, run the `cache-components-instant-false` codemod, or decide between opting routes out with `export const instant = false` and fixing them in place.

sgcarstrends Bundle

Optimize a Next.js app that has `cacheComponents: true` — either the static shell on first paint, or the in-app navigation between routes. Picks the matching diagnostic loop and runs it.

sgcarstrends Bundle

PostHog integration for Next.js App Router applications

x-school-academy Skill

To capture an accessibility snapshot of the current page, take a structured snapshot for UI inspection.

b-open-io-prompts Bundle

This skill should be used when the user asks to "create a new project", "scaffold a Next.js app", "initialize a new app", "start a new project", "set up a new Next.js project", or mentions "create-next-project". Provides a guided, opinionated full-stack Next.js project initialization with Biome, Tailwind v4, shadcn/ui, better-auth, and Vercel deployment. Uses agent teams for parallel execution.

b-open-io-prompts Bundle

This skill should be used when the user asks to "optimize my Next.js app", "why is this page slow", "reduce my bundle size", "improve Core Web Vitals", or "run a Lighthouse audit". Diagnoses and fixes Next.js frontend performance issues using Lighthouse, bundle analysis, and animation best practices — covering LCP, TBT, and CLS.

ccplugins Skill

Teaches the Second Brain to recognize a new external data source. Fetches content from Confluence, Google Docs, GitHub repositories, remote URLs, or any local file format supported by docling (DOCX, PPTX, XLSX, PDF, HTML, EPUB, images, Markdown, CSV, and more), converts non-markdown formats to markdown via docling, runs the /graphify extraction pipeline, and delegates entity persistence (including the graphify-output merge) to /bedrock:preserve. Use when: "bedrock teach", "bedrock-teach", "teach", "ingest source", "import document", "/bedrock:teach", or when the user provides a Confluence, Google Docs, or GitHub URL, a remote file URL, or a local file path to incorporate into the vault.

b-open-io-prompts Skill

React renderer for json-render that turns JSON specs into React components. Use when working with @json-render/react, building React UIs from JSON, creating component catalogs, or rendering AI-generated specs.

b-open-io-prompts Skill

Pre-built shadcn/ui components for json-render. Use when working with @json-render/shadcn, adding standard UI components to a catalog, or building web UIs with Radix UI + Tailwind CSS components.

b-open-io-prompts Bundle

Best practices for Remotion - Video creation in React

martinopolo Skill

Generates self-contained HTML variant mockups from a design brief, one by default or N in parallel, and opens them for comparison. Use when asked to create a mockup, mock up a component, visualize a design, or produce design variants.

martinopolo Bundle

Execute checklist tasks in grouped loops with executor/reviewer/checker agents and conditional frontend verification. Use when: "execute checklist", "run this task list", "complete unchecked tasks"

b-open-io-prompts Bundle

React Native renderer for json-render that turns JSON specs into native mobile UIs. Use when working with @json-render/react-native, building React Native UIs from JSON, creating mobile component catalogs, or rendering AI-generated specs on mobile.

ryomurakami1983 Bundle

Build responsive email templates using MJML markup language in .NET. Compiles to cross-client HTML that works in Outlook, Gmail, and Apple Mail. Includes template renderer, layout patterns, composer pattern, and variable substitution. Use when: creating transactional or notification emails that must render correctly across all major email clients.

ryomurakami1983 Bundle

Snapshot test email templates using Verify to catch rendering regressions. Validates rendered HTML output matches approved baselines with MJML support. Use when: verifying email template rendering against human-approved snapshots.

ccplugins Bundle

Bootstrap a new Next.js (App Router, TypeScript) web app with current packages and no deprecated APIs. Use when the user wants to start, scaffold, or set up a new Next.js project, a React web app, a SaaS or dashboard or landing page on Next.js, or asks to "create a new nextjs app". Handles private, open-source, and private-plus-open-source variants, Prisma and Postgres, next-auth, Tailwind, and shadcn or Mantine.

martinopolo Bundle

Creates an interactive, self-contained HTML tutorial for a requested topic or code showcase in the configured AI-generated assets root.

catlog22 Bundle

Unified team skill for frontend development. Pure router — all roles read this file. Beat model is coordinator-only in monitor.md. Built-in ui-ux-pro-max design intelligence. Triggers on "team frontend".

ccplugins Bundle

Workflow skill that turns one issue/requirement into a design in the order "verify real code & data → iterate faithful HTML mockups → design doc (.md) → delegate implementation." When designing a change to existing UI, it reads the actual component source and data model instead of imagining them, and reproduces the current screen pixel-for-pixel. Triggers (EN) "design this", "make a mockup", "how should this feature look", "add ~ to the existing screen"; (KO) "설계해줘", "시안 만들어줘", "이 기능 어떻게 보여줄지", "기존 화면에 ~ 추가".