Excalidraw Architect MCP vs 21st.dev Magic MCP

A side-by-side comparison of two Design & Media servers — tools, transport, auth, maintenance, and copy-paste config for each.

	Excalidraw Architect MCP Turn architecture into a queryable knowledge graph and render auto-laid-out Excalidraw diagrams. Offline, no API keys. Unverified stdio (local) No auth Python	21st.dev Magic MCP Generate beautiful, modern UI components from natural-language descriptions inside your IDE. Unverified stdio (local) API key TypeScript
Category	Design & Media	Design & Media
Language	Python	TypeScript
Transport	stdio (local)	stdio (local)
Auth	None	API key
GitHub stars	125	5.2k
Last commit	11 days ago	4 months ago
Verified
Actively maintained
Install	`pip install excalidraw-architect-mcp`	`npx @21st-dev/cli@latest install <client> --api-key <key>`
Repo	Open	Open

Verdict

Pick Excalidraw Architect MCP if you want zero-setup with no API key, and you need the broadest set of tools.

Pick 21st.dev Magic MCP if you want the official, vendor-maintained server, and you prefer the more popular, battle-tested option.

Add Excalidraw Architect MCP

Install / run

pip install excalidraw-architect-mcp

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "excalidraw-architect-mcp": {
      "command": "excalidraw-architect-mcp",
      "args": []
    }
  }
}

Add 21st.dev Magic MCP

Install / run

npx @21st-dev/cli@latest install <client> --api-key <key>

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "21st-dev-magic-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@21st-dev/magic@latest",
        "API_KEY=\"your-api-key\""
      ]
    }
  }
}

FAQ

Excalidraw Architect MCP or 21st.dev Magic MCP — which is better?

Pick Excalidraw Architect MCP if you want zero-setup with no API key, and you need the broadest set of tools. Pick 21st.dev Magic MCP if you want the official, vendor-maintained server, and you prefer the more popular, battle-tested option.

Can I use both Excalidraw Architect MCP and 21st.dev Magic MCP?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do Excalidraw Architect MCP and 21st.dev Magic MCP work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

View Excalidraw Architect MCP →View 21st.dev Magic MCP →More comparisons →