MCP Mermaid vs Ultimaps

In-depth architectural comparison of the MCP Mermaid and Ultimaps MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose MCP Mermaid when:

• You need dedicated capabilities in the Data Visualization domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: generate_mermaid_diagram.

Explore MCP Mermaid Details

Choose Ultimaps when:

• You need dedicated capabilities in the Data Visualization domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Ultimaps Details

Feature & Specification Comparison

Specification	MCP Mermaid hustcc Data Visualization	Ultimaps Data Visualization
Summary	Generate mermaid diagram and chart with AI MCP dynamically.	Create choropleth, category and pin maps of countries, states, counties and ZIP codes as images.
Category & Scope	Data Visualization	Data Visualization

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "hustcc-mcp-mermaid": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-mermaid"
      ]
    }
  }
}

{
  "mcpServers": {
    "ultimaps-2": {
      "command": "npx",
      "args": [
        "-y",
        "@ultimaps/mcp"
      ]
    }
  }
}

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