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mermaid

Orchestrate the Mermaid CLI to convert Mermaid definitions into SVG, PNG, and PDF diagrams.

Updated Dec 9, 2025
Search Tags:#mermaid#cli#flowchart#diagram#mermaid-cli#sequence-diagram#er-diagram
One-click install
npx skills add https://github.com/SecKatie/kmtools --skill mermaid-seckatie
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mermaid
Source: https://github.com/SecKatie/kmtools/tree/main/mermaid
Command: npx skills add https://github.com/SecKatie/kmtools --skill mermaid-seckatie

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Diagram teams often struggle to convert code-like Mermaid definitions into visual diagrams, hindering documentation and communication.

Core Features & Use Cases

  • Generate a variety of diagrams from Mermaid syntax (flowcharts, sequence, class, ERD, Gantt, C4, mindmaps, etc.) using Mermaid CLI.
  • Output formats include SVG, PNG, and PDF, enabling easy embedding in docs, slides, and dashboards.
  • Integrates with existing tooling and workflows, allowing automation of diagram generation from code and docs.
  • Use cases: generate architecture diagrams from code comments, render flowcharts for docs, or convert diagrams in markdown to media assets.

Quick Start

Write your diagram in Mermaid syntax and run the CLI to render it into an SVG or PNG.

Frequently Asked Questions about mermaid

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

FAQPage Schema
How do I convert plain text Mermaid syntax into a flowchart diagram?▼

You can convert Mermaid syntax into a visual flowchart diagram by using the Mermaid CLI to render plain text definitions. This orchestrates the rendering workflow to support flowcharts, sequence diagrams, ER diagrams, Gantt charts, mindmaps, and more.

Can I generate SVG, PNG, and PDF files from Mermaid sequence diagrams?▼

Yes, you can generate SVG, PNG, and PDF files from Mermaid sequence diagrams. The Mermaid CLI rendering workflow supports these multiple output formats, enabling easy embedding of your sequence diagrams in docs, slides, and dashboards.

What is the best way to automate diagram generation from markdown code comments?▼

The best way to automate diagram generation from markdown code comments is by integrating the Mermaid CLI into your existing tooling and workflows. This allows you to automatically parse plain text definitions and render them into visual media assets like SVG or PNG.

Does Mermaid CLI support ER diagrams and Gantt charts for documentation?▼

Yes, Mermaid CLI supports ER diagrams and Gantt charts for documentation. It orchestrates a wide range of diagram types from plain text Mermaid definitions, including class, C4, and mindmap diagrams, outputting them as SVG, PNG, or PDF files for your docs.

Do I need any external dependencies to render Mermaid definitions into visual outputs?▼

No external dependencies are required to render Mermaid definitions into visual outputs. The Skill enforces safe handling of input and uses the built-in Mermaid CLI to independently generate SVG, PNG, and PDF files from your plain text diagrams.

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