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zester4

Community

@zester4

3Followers
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86Public Repos
|
70Published Skills

zester4 maintains 70 agent skills spanning serverless databases, video rendering, browser testing, UI design systems, SEO, and AI model integration for TypeScript developers.

Skills Distribution
DomainDeveloper To...Developer Tooling .. (30%)Data Systems & Dat.. (25%)UI/UX & Creative M.. (20%)AI Models & Machin.. (15%)

Agent Skills by zester4

Showing 70 vetted skills indexed across 1 GitHub repositories.

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zilmate

Guides building, integrating, and positioning the ZilMate assistant CLI, SDK, and voice runtime.

Community
Intermediate
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2

hyperframes

Routes video and animation requests to HyperFrames HTML-composition workflows.

Community
Advanced
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2

upstash-redis-start

Provisions a temporary Upstash Redis database for agents via one HTTP POST request.

Community
Basic
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2

playwright-cli

Automate browser interactions and generate Playwright tests via command-line commands.

Community
Advanced
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2

ui-ux-pro-max

Generates design systems and UI/UX recommendations from a searchable design rule database.

Community
Advanced
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2

marketing-psychology

Applies psychological principles and mental models to marketing strategy and decision-making.

Community
Intermediate
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2

neon-drizzle

Configures Drizzle ORM with provisioned Neon databases, schemas, and migrations.

Community
Advanced
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2

remotion-to-hyperframes

Convert Remotion React video compositions into HyperFrames HTML with GSAP timelines.

Community
Advanced
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2

hyperframes-cli

Orchestrates the HyperFrames CLI dev loop for scaffolding, validating, previewing, and rendering HTML video compositions.

Community
Advanced
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2

agent-browser

Automates browser interactions via Chrome DevTools Protocol with accessibility-tree snapshots and element references.

Community
Intermediate
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2

playwright-best-practices

Guides writing, debugging, and structuring Playwright tests across E2E, component, and API scenarios.

Community
Advanced
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2

remotion-best-practices

Guides creation of programmatic videos in React using Remotion components and patterns.

Community
Advanced
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2

clerk-backend-api

Browse, inspect, and execute Clerk Backend REST API endpoints with curl.

Community
Advanced
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2

seo-audit

Diagnose technical, on-page, and content SEO issues and produce prioritized audit reports.

Community
Advanced
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2

upstash-qstash-js

Publish, schedule, and verify HTTP messages with the QStash JavaScript SDK.

Community
Intermediate
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2

copywriting

Writes conversion-focused marketing copy for homepages, landing pages, pricing pages, and CTAs.

Community
Intermediate
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2

hyperframes-registry

Install and wire registry blocks and components into HyperFrames compositions.

Community
Advanced
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2

vercel-react-native-skills

Applies React Native and Expo performance rules to mobile component code.

Community
Intermediate
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2

prompt-engineering-patterns

Design, test, and optimize LLM prompts using few-shot, chain-of-thought, and structured output patterns.

Community
Advanced
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2

upstash-cli

Manage Upstash Redis, Vector, Search, and QStash resources via the Upstash CLI.

Community
Intermediate
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2

agentmail

Create and manage email inboxes for AI agents using the AgentMail API.

Community
Intermediate
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2

create-auth-skill

Implements Better Auth authentication in TypeScript and JavaScript applications.

Community
Advanced
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2

openrouter-typescript-sdk

Integrates 300+ AI models through the OpenRouter TypeScript SDK callModel pattern.

Community
Intermediate
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2

mintlify

Build and maintain Mintlify documentation sites with MDX pages and docs.json configuration.

Community
Intermediate

Frequently Asked Questions About zester4

FAQPage Schema
What tasks can I accomplish using zester4's skills?

You can provision serverless databases (Upstash Redis, Neon Postgres, Prisma Postgres), render videos from HTML or React compositions, run Playwright browser tests, build shadcn/Tailwind interfaces, integrate Stripe payments and Clerk auth, perform SEO audits, and connect 300+ models via OpenRouter.

Who are zester4's skills designed for?

TypeScript and JavaScript developers building full-stack applications, plus mobile engineers using React Native, Expo, SwiftUI, or Jetpack Compose. Marketing practitioners also benefit from dedicated skills for copywriting, ad creative, SEO audits, and marketing psychology.

How do I install and run these skills in practice?

Most skills run through npx or package CLIs such as npx hyperframes, npx shadcn@latest, upstash, firecrawl, or playwright-cli. Database skills like neon-drizzle install dependencies, provision credentials, and run migrations automatically, producing immediately queryable working code.

Are zester4's skills open source and free to use?

Many skills carry MIT licenses, including playwright-best-practices, mintlify, prisma-client-api, and vercel-react-native-skills; firecrawl-deep-research uses ISC. However, underlying services like Firecrawl, Clerk, and Tavily require their own API keys and may incur usage costs.

What prerequisites or dependencies do these skills require?

Requirements vary: clerk-backend-api needs a CLERK_SECRET_KEY, firecrawl-deep-research requires a FIRECRAWL_API_KEY, and mintlify needs Node.js. Upstash Redis databases can be provisioned with zero signup, while Stripe Projects handles credential provisioning for third-party services.