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ui-polish-mcp

MCP server for AI agents to create UIs that don't look AI-generated.

Detects and fixes the most common fingerprints of generated UI: generic palettes, uniform spacing, contextless copy, excessive animations, and lack of accessibility.


Available Tools

Tool

What it does

audit_component

Analyzes JSX and returns a 0-100 score + list of issues with fixes

refine_copy

Converts "Submit" / "Click here" into contextual copy

suggest_placeholder

Generates real placeholders instead of "Enter your..."

suggest_theme

Suggests a theme preset based on the app type

get_theme

Returns complete tokens for a preset (colors, fonts, radii, shadows)

list_presets

Lists the 5 available presets

check_contrast

Validates WCAG AA/AAA contrast between two hex colors

audit_color_pairs

Audits multiple color pairs at once


Related MCP server: v0-mcp-ts

Theme Presets

Preset

Purpose

studio

SaaS, productivity, dev tools (Linear/Vercel aesthetic)

craft

Blogs, portfolios, creative agencies (handcrafted editorial)

data

Dashboards, analytics, DevOps (dense dark mode)

flow

CRMs, onboarding, B2B apps (conversational SaaS)

brutal

Disruptive landing pages, startups (neobrutalism)


Installation

git clone https://github.com/Pedro21062014/ui-polish-mcp
cd ui-polish-mcp
npm install
npm run build

Claude Desktop Configuration

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "ui-polish": {
      "command": "node",
      "args": ["/caminho/absoluto/ui-polish-mcp/dist/index.js"]
    }
  }
}

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json


Cursor Configuration

Create .cursor/mcp.json in the project root:

{
  "mcpServers": {
    "ui-polish": {
      "command": "node",
      "args": ["/caminho/absoluto/ui-polish-mcp/dist/index.js"]
    }
  }
}

1. suggest_theme(appType, industry, mood)
   → escolhe o preset certo

2. get_theme(preset)
   → pega os tokens e aplica no app

3. [agente cria os componentes]

4. audit_component(jsx)
   → verifica cada componente antes de entregar

5. refine_copy(text, { action, noun })
   → melhora todos os textos de botões/labels

6. audit_color_pairs(pairs)
   → valida acessibilidade da paleta inteira

Example Output — audit_component

## Audit Result
Score: 52/100 | Grade: D
Summary: Fraco — múltiplos padrões de IA detectados. Revisão necessária.

### Issues (4)
1. [HIGH] color
- Problema: Paleta genérica: text-blue-500, bg-gray-100, text-gray-600
- Fix: Substitua por tokens customizados. Ex: text-[#1A1917], bg-[#FAFAF9]

2. [MEDIUM] spacing
- Problema: p-4 repetido 6x — espaçamento monótono sem hierarquia
- Fix: Varie: p-3 em elementos menores, p-6 em seções, p-10 em containers.

3. [HIGH] copy
- Problema: Copy genérico: "Submit", placeholder genérico
- Fix: Use verbos contextuais. Ex: "Salvar projeto", placeholder="Ex: pedro@empresa.com"

4. [HIGH] accessibility
- Problema: Botão com ícone sem aria-label
- Fix: <button aria-label="Fechar modal">

Dev

npm run dev    # roda com tsx (sem build)
npm run build  # compila para dist/
Install Server
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quality
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maintenance

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