mermaid-display

Convert Mermaid diagram syntax into PNG or SVG images.

2|Updated Oct 16, 2025
One-click install
npx skills add https://github.com/musingfox/cc-plugins --skill mermaid-display
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: mermaid-display
Source: https://github.com/musingfox/cc-plugins/tree/main/mermaid-viz/skills/mermaid-display
Command: npx skills add https://github.com/musingfox/cc-plugins --skill mermaid-display

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Visualize Mermaid syntax by converting it into PNG or SVG images that open in the default viewer, streamlining diagram creation for documentation and design reviews.

Core Features & Use Cases

  • Render Mermaid diagrams to PNG or SVG using mmdc or the mermaid-cli via npx.
  • Auto-open rendered diagrams in the default viewer and support multiple diagram types (flowcharts, sequence diagrams, class diagrams, state machines, ER diagrams).
  • Configure themes with built-in color schemes or a custom palette to match project branding.

Quick Start

Create a Mermaid diagram and save it to /tmp/diagram.mmd, then render it with the provided script and view the resulting image.

Frequently Asked Questions about mermaid-display

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I render Mermaid diagrams to PNG or SVG?

To render Mermaid diagrams to PNG or SVG, save your diagram syntax to a file and execute the provided script using mmdc or the mermaid-cli via npx. The tool generates the image and auto-opens it in your default viewer for immediate visual feedback.

What diagram types are supported by the Mermaid renderer?

The Mermaid renderer supports multiple diagram types including flowcharts, sequence diagrams, class diagrams, state machines, and ER diagrams. It converts your text-based syntax into viewable visual representations of workflows, architectures, and data flows.

Do I need to install mermaid-cli to convert Mermaid syntax into an image?

You do not need a standalone installation to convert Mermaid syntax into an image. The tool can execute the rendering process through npx @mermaid-js/mermaid-cli, which dynamically runs the required mmdc renderer without a permanent local setup.

Can I configure custom themes and color schemes for rendered Mermaid diagrams?

Yes, you can configure custom themes and color schemes for rendered Mermaid diagrams. The tool supports theme configuration through environment variables, allowing you to apply built-in color schemes or a custom palette to match your project branding.

What is the best way to visualize Mermaid syntax for documentation and design reviews?

The best way to visualize Mermaid syntax for documentation and design reviews is to convert it into PNG or SVG images. This approach streamlines diagram creation by generating viewable files that can be easily shared and embedded in technical documentation.

How does auto-opening rendered diagrams work during the conversion process?

During the conversion process, auto-opening rendered diagrams works by automatically launching the generated PNG or SVG file in your operating system's default viewer immediately after the mmdc rendering finishes, streamlining the visual verification workflow.