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Mermaid MCP Server

@MCP-Mirror

Overview

what is Mermaid MCP Server?

Mermaid MCP Server is a Model Context Protocol (MCP) server that converts Mermaid diagrams to PNG images, enabling AI assistants and applications to generate visual diagrams from textual descriptions using the Mermaid markdown syntax.

how to use Mermaid MCP Server?

To use the server, you can run it with various commands depending on your environment, such as using it with Claude desktop or Docker. You can also install it via Smithery or run it with an inspector for testing.

key features of Mermaid MCP Server?

  • Converts Mermaid diagram code to PNG images
  • Supports multiple diagram themes (default, forest, dark, neutral)
  • Customizable background colors
  • High-quality rendering using Puppeteer
  • Implements the MCP protocol for integration with AI assistants
  • Flexible output options: return images directly or save to disk
  • Detailed error handling

use cases of Mermaid MCP Server?

  1. Generating flowcharts and sequence diagrams for documentation.
  2. Creating visual representations of complex data flows for presentations.
  3. Integrating with AI assistants to provide dynamic diagram generation based on user input.

FAQ from Mermaid MCP Server?

  • Does Claude desktop already support mermaid via canvas?

Yes, but it lacks support for theme and background color options. A dedicated server simplifies the creation of diagrams with different MCP clients.

  • Why specify CONTENT_IMAGE_SUPPORTED=false when using with Cursor?

Cursor does not support inline images in responses yet.

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