Thesys Generative UI Skill for Claude

>- > Generate, modify, and style React components from natural language using the Thesys SDK. Guides schema-driven UI generation, theme customisation, tool calling integration, and deployment to Vite, Next.js, or Cloudflare Workers. Use when the user says "generate UI", "create a component", "build an interface", "Thesys", "generative UI", or asks to turn a description into a React component.

43k tokens

context cost

the whole folder, loaded on every use

files

ships runnable scripts

copies elsewhere

how many repositories repackaged it

202

stars on the repo

on the repository, not the skill itself

Install

one command, takes just this skill from the repository

npx skills add https://github.com/secondsky/claude-skills --skill thesys-generative-ui

The instruction itself

8 sections, as written by the author

Thesys Generative UI

Last Updated: 2025-11-10

Quick Start

import { generateUI } from 'thesys';

const ui = await generateUI({
  prompt: 'Create a user profile card with avatar, name, and email',
  schema: {
    type: 'component',
    props: ['name', 'email', 'avatar']
  }
});

export default function Profile() {
  return <div>{ui}</div>;
}

Core Features

Natural Language: Describe UI in plain English
Schema-Driven: Type-safe component generation
React Components: Generate production-ready components
AI-Powered: Uses LLMs for intelligent design

Example

const form = await generateUI({
  prompt: 'Create a contact form with name, email, and message fields',
  theme: 'modern'
});

Resources

Core Documentation

references/what-is-thesys.md - What is TheSys C1, success metrics, getting started
references/use-cases-examples.md - When to use, 12 errors prevented, all templates catalog
references/tool-calling.md - Complete tool calling guide with Zod schemas
references/integration-guide.md - Complete setup for Vite, Next.js, Cloudflare Workers

Additional References

references/component-api.md - Complete component prop reference
references/ai-provider-setup.md - OpenAI, Anthropic, Cloudflare Workers AI setup
references/tool-calling-guide.md - Tool calling patterns
references/theme-customization.md - Theme system deep dive
references/common-errors.md - Expanded error catalog

Templates (15+ files)

Vite + React: basic-chat.tsx, custom-component.tsx, tool-calling.tsx, theme-dark-mode.tsx
Next.js: app/page.tsx, app/api/chat/route.ts, tool-calling-route.ts
Cloudflare Workers: worker-backend.ts, frontend-setup.tsx
Utilities: theme-config.ts, tool-schemas.ts, streaming-utils.ts

Official Docs: https://docs.thesys.dev | Playground: https://console.thesys.dev/playground

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How to use it

Copy the folder

Take secondsky/thesys-generative-ui from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.