Agentic Mermaid MCP Server

Render, verify, describe, and safely edit Mermaid diagrams through MCP.

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What is the Agentic Mermaid MCP Server?

Render, verify, describe, and safely edit Mermaid diagrams through MCP.

What you get

Agentic Mermaid is an open-source Mermaid toolkit for people who want AI agents to create diagrams that look finished: SVG and PNG renders, ASCII and Unicode for review, deterministic layout, and Style + Palette controls for brand colors, typography, strokes, fills, and backdrops.

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Maintainer setup documentation.

How to install the Agentic Mermaid MCP Server

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

Add to claude_desktop_config.json, then restart Claude Desktop.

Example prompts to try

  • “Use Agentic Mermaid to Descriptor.”
  • “Use Agentic Mermaid to Agent.”
  • “Use Agentic Mermaid to Self.”

Frequently asked questions

Render, verify, describe, and safely edit Mermaid diagrams through MCP. Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.