Magic MCP vs Ux MCP Server
A side-by-side look at the Magic MCP and Ux MCP Server MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Magic MCP for architecture & design work as a local process; choose Ux MCP Server for architecture & design as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Magic MCP when
- You need dedicated capabilities in the Architecture & Design domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: API key required.
- You have the keys it needs:
TWENTY_FIRST_API_KEY, API_KEY_21ST.
Choose Ux MCP Server when
- You need dedicated capabilities in the Architecture & Design domain.
- You prefer a local stdio subprocess transport.
- You want tools like
analyze_accessibility, review_usability, suggest_pattern.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Architecture & Design | Architecture & Design |
| Quality signal | 53/100 · Good | 60/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | API key required | Not declared |
| Pricing | Paid service | Not declared |
| Required env vars | TWENTY_FIRST_API_KEYAPI_KEY_21ST | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 6,138 | 35 |
| Directory activity | 16 views 1 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | Not listed | 23 |
| Full listing | View Magic MCP | View Ux MCP Server |
Tools & capabilities
Magic MCP tools
No tool names declared yet. Check the project README from the listing page.
Ux MCP Server tools 23
analyze_accessibilityAnalyze HTML/JSX code for accessibility issues based on WCAG guidelines. Returns specific violations and suggestions.review_usabilityReview a UI description or code against Nielsen's usability heuristics. Provides ratings and specific recommendations.suggest_patternSuggest appropriate UI pattern for a given use case. Returns pattern details, best practices, and implementation guidance.generate_component_exampleGenerate framework-agnostic HTML/CSS example following UX best practices for a specific pattern.audit_design_systemAudit design system implementation for consistency with best practices. Checks tokens, naming, and structure.check_contrastCheck color contrast ratio for WCAG compliance. Supports hex, rgb, and named colors.check_responsiveAnalyze code for mobile-first principles and responsive design issues. Checks viewport meta, touch targets, and breakpoints.suggest_error_messageGet user-friendly error message suggestions for specific scenarios. Returns message, tone guidance, and accessibility considerations.analyze_performanceAnalyze code for performance issues and Core Web Vitals optimization. Checks resource loading, image optimization, and rendering performance.check_seoAnalyze HTML for SEO best practices. Checks meta tags, Open Graph, structured data, and technical SEO elements.suggest_animationSuggest appropriate animation for a UI interaction. Returns animation type, duration, easing, and implementation guidance.generate_color_paletteGenerate accessible color palette from a base color. Returns primary, secondary, neutral, and semantic colors with WCAG-compliant variations.- +11 more on the listing page
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Magic MCP
{
"mcpServers": {
"21st-dev-magic-mcp": {
"command": "npx",
"args": [
"-y",
"@21st-dev/cli@latest"
],
"env": {
"TWENTY_FIRST_API_KEY": "YOUR_TWENTY_FIRST_API_KEY_HERE",
"API_KEY_21ST": "YOUR_API_KEY_21ST_HERE"
}
}
}
}
Ux MCP Server
{
"mcpServers": {
"ux-mcp-server": {
"command": "npx",
"args": [
"-y",
"@elsahafy/ux-mcp-server"
]
}
}
}
Frequently asked questions
Magic MCP is categorized under Architecture & Design and uses a local stdio subprocess. Ux MCP Server belongs to Architecture & Design and uses a local stdio subprocess. Pick Magic MCP for architecture & design work and Ux MCP Server for architecture & design.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Magic MCP is listed as a paid service. Auth: api key required. Ux MCP Server has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add 21st-dev-magic-mcp and ux-mcp-server as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Magic MCP has a quality signal of 53/100 (Good) with 16 views, 1 installs and 6,138 GitHub stars. Ux MCP Server has 60/100 (Good) with 1 views, 0 installs and 35 GitHub stars.