mermaid-cli ☆

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Description:
CLI for Mermaid library

Type: Formula | Latest Version: 11.12.0@0 | Tracked Since: Dec 24, 2025

Links: Homepage | GitHub | formulae.brew.sh

Stars: 3,975 | Forks: 346 | Language: JavaScript | Category: Developer tools

Tags: diagrams documentation cli visualization javascript

Install: brew install mermaid-cli

About:
The Mermaid CLI is a command-line interface for the Mermaid JavaScript library, which generates diagrams and flowcharts from text-based definitions. It allows developers to automate the creation of visual documentation (like sequence diagrams, Gantt charts, and class diagrams) directly within build pipelines or documentation workflows. Its main value is turning text into scalable vector graphics (SVG, PNG, PDF) programmatically, enabling diagram-as-code practices.

Key Features:

Generates diagrams (SVG, PNG, PDF) from text definitions
Supports all Mermaid diagram types (flowcharts, sequence, Gantt, etc.)
Can be integrated into CI/CD pipelines and documentation toolchains
Includes a Puppeteer-based headless browser for rendering
Accepts input from stdin, files, or configuration files

Use Cases:

Automating diagram generation in technical documentation projects
Embedding visual workflow creation in static site generators or build scripts

Alternatives:

Graphviz – Graphviz is a more general-purpose graph visualization tool with its own DOT language, whereas Mermaid CLI focuses on specific diagram types with a markdown-inspired syntax.
Kroki – Kroki is a web service and CLI that unifies many diagram tools (including Mermaid) into a single API, offering broader format support but requiring a different integration approach.

Version History

Detected	Version	Rev	Change	Commit
Dec 24, 2025 9:55pm	11.12.0	0	VERSION_BUMP	fd9c700d
Sep 14, 2025 11:46am		0	VERSION_BUMP	b5cd6c9e