Design Systems MCP Server

@southleft

代码仓库主页

基本信息

分类

媒体与设计

许可证

NOASSERTION

传输方式

stdio

作者

southleft

提交者

TJ Pitre

关于 Design Systems MCP Server

I'm your specialized design systems assistant. Ask me about components, tokens, patterns, and best practices.

#design-systems#mcp #ai-assistant

Design Systems MCP Server 配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "design-systems": {
      "command": "npx",
      "args": [
        "mcp-remote",
        "https://design-systems-mcp.southleft-llc.workers.dev/mcp"
      ]
    }
  }
}

Design Systems MCP Server 工具

Search through design system knowledge base entries by query, category, or tags

Search through specific content chunks for detailed information

Browse all entries in a specific category

Get a list of all available tags in the knowledge base

List all entries carrying a specific tag (use get_all_tags to discover tags)

概览

What is Design Systems MCP Server?

An AI-powered Model Context Protocol (MCP) server providing intelligent access to authoritative design systems knowledge. It is powered by Supabase vector search with 200+ curated entries including W3C standards, WCAG guidelines, and design system best practices. It is intended for developers, designers, and accessibility specialists who need quick, accurate answers about design systems.

How to use Design Systems MCP Server?

Connect any MCP-capable client (e.g., Claude Desktop, Cursor, Windsurf) to the public endpoint https://design-systems-mcp.southleft.com/mcp with zero setup. For local development, clone the repository, run npm install, configure environment variables, and start with npm run dev. The server exposes four MCP tools: search_design_knowledge, search_chunks, browse_by_category, and get_all_tags.

Key features of Design Systems MCP Server

Production vector search using Supabase pgvector and OpenAI embeddings.
200+ curated entries from W3C, WCAG, ARIA, and 10+ major design systems.
Hybrid search combining vector similarity with keyword matching (0.15 threshold).
Edge-optimized deployment on Cloudflare Workers with global distribution.
Streaming responses via SSE for fast time‑to‑first token.
Source reliability badges marking each answer as Primary/Authoritative/Reference/Example/Community.

Use cases of Design Systems MCP Server

Quickly look up WCAG 2.2 color contrast requirements while designing.
Retrieve W3C Design Tokens specification for token naming.
Browse component patterns from Material Design 3 or IBM Carbon.
Verify ARIA Authoring Practices for accessible UI patterns.
Get best‑practice guidance from multiple design systems in one query.

常见问题

What clients does Design Systems MCP Server support?

It works with any MCP-capable client, including Claude Desktop, Claude Code (CLI), Cursor IDE, Cline (VSCode), Continue (VSCode), Zed Editor, and generic MCP clients.

How do I add my own content to the server?

You can ingest web content via `npm run ingest:url <URL>`, bulk ingest from CSV with `npm run ingest:csv <file>`, ingest PDFs with `npm run ingest:pdf <file>`, or crawl entire websites with `npm run crawl:website <URL>`. After ingestion, run `npm run ingest:vectors` to generate embeddings.

Is there a live demo or hosted web UI?

Yes. The live demo is at `https://design-systems-mcp.southleft.com/`. It includes an AI chat interface that streams responses via SSE and a landing page with MCP endpoint details.

What MCP tools are available?

Four tools: `search_design_knowledge` (semantic search across the knowledge base), `search_chunks` (find specific content in chunks), `browse_by_category` (browse content by categories like components, tokens, patterns), and `get_all_tags` (list all content tags for filtering).

Does the server require authentication or API keys?

The public MCP endpoint is available without authentication. Local development requires setting environment variables (e.g., Supabase and OpenAI keys) in a `.dev.vars` file.

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