mermaid

Validate Mermaid diagrams by parsing and rendering them to SVG via Mermaid CLI.

1|1|Updated Aug 3, 2020

Search Tags:#mermaid #validation #cli #svg #diagram #ascii #render

Ready to run

npx skills add https://github.com/lolwierd/dotfiles --skill mermaid-lolwierd

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: mermaid
Source: https://github.com/lolwierd/dotfiles/tree/main/ai/dot-agents/skills/mermaid
Command: npx skills add https://github.com/lolwierd/dotfiles --skill mermaid-lolwierd

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Mermaid diagrams often fail at render time due to syntax errors or incomplete configurations. This skill provides a reliable way to validate Mermaid sources and preview results before integration into docs.

Core Features & Use Cases

Validate Mermaid syntax using the Mermaid CLI to catch errors early.
Render diagrams to SVG for embedding in Markdown, docs, or notes.
Generate an ASCII preview for quick readability when a full render isn't necessary.

Quick Start

Draft your Mermaid diagram in a standalone diagram.mmd file and run the validation tool to verify syntax and generate an SVG preview.

Frequently Asked Questions about mermaid

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

FAQPage Schema

How do I validate Mermaid syntax before rendering diagrams?▼

To validate Mermaid syntax, you can run a validation tool on a standalone diagram.mmd file to parse and check for errors before generating an SVG output.

Can I render Mermaid diagrams to SVG from the command line?▼

Yes, you can render Mermaid diagrams to SVG from the command line by running the validation tool on a standalone diagram.mmd file using the Mermaid CLI.

Do I need Node.js and npm to render Mermaid diagrams to SVG?▼

Yes, Node.js and npm are required prerequisites to render Mermaid diagrams to SVG, and a headless Chromium is downloaded on first run via Puppeteer.

How can I generate an ASCII preview of a Mermaid diagram?▼

You can generate an ASCII preview of a Mermaid diagram for quick readability when a full SVG render is not necessary by running the validation tool.

Why does Mermaid CLI need Puppeteer and headless Chromium?▼

Mermaid CLI needs Puppeteer and headless Chromium to execute the browser-based rendering engine required to parse diagram syntax and generate SVG output.