Mermaid MCP Server: Install & Setup

Install Mermaid in Claude Code

Claude Code

claude mcp add --transport http hustcc-mermaid https://server.smithery.ai/@hustcc/mcp-mermaid/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "hustcc-mermaid": {
      "url": "https://server.smithery.ai/@hustcc/mcp-mermaid/mcp"
    }
  }
}

Frequently asked questions

What does the Mermaid MCP server do?

Generate Mermaid diagrams and charts dynamically.

Is the Mermaid MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Mermaid run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add Mermaid to Claude Code?

Run: claude mcp add --transport http hustcc-mermaid https://server.smithery.ai/@hustcc/mcp-mermaid/mcp

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