Mermaid CLI Diagram-as-Code Renderer

Mermaid CLI (mmdc) is the command-line interface for the Mermaid diagramming library. It converts text-based diagram definitions into SVG, PNG, and PDF output files, enabling automated diagram generation from code.

Installation

Use the upstream install or setup path that matches your environment:

• npm install -g @mermaid-js/mermaid-cli

• Use Docker/Podman:

• docker pull minlag/mermaid-cli
• docker pull ghcr.io/mermaid-js/mermaid-cli/mermaid-cli

Requirements and caveats from upstream:

• 
• 
• [](https://github.com/mermaid-js/mermaid-cli/actions/workflows/compile-merma...

Basic usage or getting-started notes:

• sh

• Convert Mermaid mmd Diagram File To SVG

• mmdc -i input.mmd -o output.svg

• Source: https://github.com/mermaid-js/mermaid-cli

• Extracted from upstream docs: https://raw.githubusercontent.com/mermaid-js/mermaid-cli/HEAD/README.md

Source

• Agent Skill Exchange