Install Mermaid in Claude Code
claude mcp add tci-nebula-mermaid -- npx -y mermaid-render-mcp{
"mcpServers": {
"tci-nebula-mermaid": {
"command": "npx",
"args": [
"-y",
"mermaid-render-mcp"
]
}
}
}Frequently asked questions
What does the Mermaid MCP server do?
Renders Mermaid diagram syntax to PNG or SVG images for LLM clients
Is the Mermaid MCP server free?
Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.
Does Mermaid run locally or remotely?
Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.
How do I add Mermaid to Claude Code?
Run: claude mcp add tci-nebula-mermaid -- npx -y mermaid-render-mcp
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