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mermaid

Render Mermaid diagrams from .mmd files into SVG or ASCII output.

Updated Apr 14, 2026
Search Tags:#theming#mermaid#rendering#cli#svg#diagram#ascii
One-click install
npx skills add https://github.com/gerald-ica/opencode-config-snapshot --skill mermaid-gerald-ica
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mermaid
Source: https://github.com/gerald-ica/opencode-config-snapshot/tree/main/opencode/skills/mermaid
Command: npx skills add https://github.com/gerald-ica/opencode-config-snapshot --skill mermaid-gerald-ica

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires beautiful-mermaid, and includes scripts (resource) and references (resource) components.

What problem does it solve?

Mermaid diagrams are a quick, human-readable way to express complex flows, but rendering them into portable visuals or terminal-friendly text can be tedious without tooling.

Core Features & Use Cases

  • Render Mermaid diagrams to SVG for web and documents with a simple command-line workflow.
  • Produce ASCII diagrams for terminal display, logs, or environments without a GUI.
  • Support light theming by applying Mermaid themes to generated SVG outputs.

Quick Start

Run the Mermaid renderer on a .mmd file to produce an SVG or ASCII diagram.

Frequently Asked Questions about mermaid

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

FAQPage Schema
How do I render Mermaid diagrams to SVG from a .mmd file?▼

You can render Mermaid diagrams to SVG by running the command-line workflow on a .mmd file. This allows developers and docs teams to quickly generate portable SVG outputs from simple text diagrams.

Can I display Mermaid diagrams as ASCII art in the terminal?▼

Yes, you can produce ASCII diagrams for terminal display. This is useful for logs or environments without a GUI, rendering text directly into terminal-friendly ASCII output.

Does Mermaid rendering support theming for generated SVG outputs?▼

Yes, Mermaid rendering supports light theming. You can apply themes to generated SVG outputs to customize the visual style of your diagrams.

Do I need the beautiful-mermaid library to render text diagrams?▼

Yes, the beautiful-mermaid library is required. It provides the underlying support to convert your Mermaid text diagrams into SVG or ASCII art.

What is the best way to convert Mermaid text to visuals for documentation?▼

The best way to convert Mermaid text for documentation is using a command-line renderer to produce SVG files. This provides a quick method to express complex flows as portable visuals.

Can I pipe Mermaid diagrams via stdin for rendering?▼

Yes, the renderer supports stdin input for Mermaid diagrams. This allows you to pipe text directly into the tool for on-demand SVG or ASCII rendering.

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