web-utilities-date-fns

Agents Inc Skills: 150+ expert-level atomic skills for Claude Code

The official skills marketplace for Agents Inc.

150+ skills covering everything from React and Prisma to Redis, ElevenLabs, and infrastructure tooling. Pick the skills that match your stack and install them via Claude Code. Need more control? The @agents-inc/cli lets you choose between plugin or eject mode, scoped to a single project or your entire machine.

Install

Via Claude Code:

/plugin marketplace add agents-inc/skills
/plugin install <skill-name>@agents-inc

Via the Agents Inc CLI:

npx @agents-inc/cli init

Select your domains, skills and subagents, and configure everything in TypeScript. See the Agents Inc CLI.

Web

Frameworks
React Vue Composition API Angular Standalone SolidJS Svelte

Meta Frameworks
Next.js Nuxt Remix Astro SvelteKit Qwik Docusaurus VitePress

State Management
Zustand Pinia NgRx SignalStore Jotai MobX Redux Toolkit

Data Fetching
SWR tRPC GraphQL + Apollo GraphQL + urql

Server State
React Query

Routing
React Router TanStack Router

Forms & Validation
React Hook Form TanStack Form Vee Validate Zod

UI Libraries
shadcn/ui Radix UI TanStack Table MUI Chakra UI Ant Design Mantine Headless UI Vuetify

Styling
Tailwind SCSS Modules CVA

Testing
Vitest Playwright Cypress React Testing Library Vue Test Utils

Mocks
MSW

Animation
Framer Motion CSS Animations View Transitions

Tooling
Storybook Vite

i18n
next-intl react-intl vue-i18n

Realtime
WebSockets Socket.IO SSE

PWA
Offline First Service Workers

Error Handling
Error Boundaries Result Types

Files
File Upload Patterns Image Handling

Performance & Accessibility
Web Performance Accessibility

Utilities
date-fns Native JS RxJS VueUse

API

Frameworks
Hono Express Fastify NestJS Elysia

Databases & ORMs
Drizzle Prisma TypeORM Sequelize Knex Mongoose MongoDB PostgreSQL MySQL Redis
CockroachDB EdgeDB SurrealDB Upstash Vercel KV Vercel Postgres

BaaS
Supabase Firebase Appwrite Neon PlanetScale Turso

Auth
Better Auth + Drizzle + Hono Clerk NextAuth

CMS
Payload Sanity Strapi

Commerce
Stripe

Email
Resend + React Email Resend Setup

Search
Elasticsearch Meilisearch

Vector DBs
Pinecone Qdrant Chroma Weaviate

Analytics
PostHog Analytics PostHog Setup

Feature Flags
PostHog Flags

Observability
Axiom + Pino + Sentry Axiom + Pino + Sentry Setup

Performance
API Performance

AI

Providers
Anthropic SDK OpenAI SDK Google Gemini SDK Mistral SDK Cohere SDK ElevenLabs OpenAI Whisper Claude Vision

Orchestration
Vercel AI SDK LangChain LlamaIndex

Infrastructure
HuggingFace Inference LiteLLM Modal Ollama Replicate Together AI

Observability
Langfuse Promptfoo

Patterns
Tool Use Patterns

Infra

CI/CD
GitHub Actions Docker

Platform
Cloudflare Workers

Config
Env Config

Shared

Monorepos
Turborepo Nx pnpm Workspaces

Security
Auth Security

Tooling
Biome ESLint + Prettier Git Hooks TypeScript Config

Desktop

Frameworks
Electron Tauri

Meta

Design
Expressive TypeScript

Reviewing
Code Reviewing CLI Reviewing

Methodology
Research Methodology

Each skill covers patterns, conventions, anti-patterns, edge cases, and real code examples for a single technology. Not surface-level docs, but the kind of knowledge you'd normally have to explain to Claude repeatedly.

Skill structure

src/skills/<domain>-<subcategory>-<name>/
├── SKILL.md           # Main skill content
├── metadata.yaml      # Version, compatibility, tags
├── reference.md       # API reference
└── examples/
    ├── core.md        # Core usage examples
    └── {topic}.md     # Topic-specific examples