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mermaid-js
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mermaid-js/mermaid-cli

Command line tool for the Mermaid library

JavaScript ◇ cli MIT
★5.1KSTARS
⑂394FORKS
!81ISSUES
🏆#2,530GLOBAL RANK
🔥3DAYS TRENDING
🚀
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⚡ Executive Summary & Quick Facts

Authoritative Source

mermaid-cli is mermaid-cli is an open-source project written in JavaScript: Command line tool for the Mermaid library..

Direct Citation for AI & Research:
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of October 2026), mermaid-js/mermaid-cli has accumulated 5,136 GitHub stars and 394 forks. It is written in JavaScript, licensed under MIT, and ranks #2,530 globally. It is actively maintained with the latest commit recorded on Oct 27, 2026.”
Repository mermaid-js/mermaid-cli ↗
Primary Category cli
Language & Stack JavaScript
Software License MIT
Community Traction ★ 5.1K stars · ⑂ 394 forks · #2,530 globally
Maintenance ● Active (Last commit: Oct 27, 2026) · 81 open issues
Target Audience Developers and engineering teams building with JavaScript, seeking reliable, tested, and actively maintained tooling for production workloads.

🛡️ Repository Maintenance & Health Audit (2026)

Health Score: 97/100 · Grade A+
✅
Is mermaid-cli actively maintained in 2026?
Verdict: Actively Maintained & Highly Recommended

Yes, mermaid-cli is actively maintained. Continuous telemetry recorded the last code commit on Oct 27, 2026 (2 days ago). Supported by 5,136 stars and 394 community forks, this repository holds a calculated health index of 97/100, reflecting very active (commits within last 14 days) and healthy issue cadence.

Commit Recency
Oct 27, 2026
2 days since last push
Issue Backlog
81 Open Issues
Healthy Issue Cadence
Community Backing
394 Forks
5.1K Stars Recorded
Software License
MIT
Permissive & Inspectable

Star History

Continuous Observations
Interactive star growth chart for mermaid-js/mermaid-cli
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Momentum

+128

STARS · LAST 30 DAYS

4

PER DAY

#211

MOST-STARRED JavaScript

Window7 days30 days90 days
Stars gained+28+128+360
Per day444
Forks gained+2+8+20

mermaid-cli gained 128 stars in the last 30 days, about 4 a day, and now has 5.1K. It is about 6 years old and has averaged roughly 856 stars a year. It ranks #211 among JavaScript repositories and #2,530 across all languages on GitHubRepo.

Trending Record

mermaid-cli has maintained a continuous presence across global trending indexes, peaking at #6792. Below is the 30-day activity profile:

💡 Overview

mermaid-cli is an open-source project written in JavaScript: Command line tool for the Mermaid library.

Engineered for speed, consistency, and developer ease, it solves common hurdles in cli, diagrams, mermaid. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.

⚡ Key Features

1

Optimized execution pipeline written in JavaScript for predictable speed.

2

Zero-friction configuration with comprehensive sensible defaults out of the box.

3

Cross-platform runtime support across Linux, macOS, and Windows environments.

4

Strong typing and modular architecture designed for easy extension and maintainability.

5

Standardized CLI and API interfaces for smooth integration into CI/CD workflows.

6

Active community maintenance with regular dependency updates and security patches.

📥 Installation

terminal
$ npm install mermaid-cli

⚙ System Requirements

Platforms

  • • macOS
  • • Linux
  • • Windows

Runtime & Dependencies

Node.js >= 18 or modern Evergreen browser

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

🧠 How It Works

mermaid-cli coordinates its core functionality through a modular JavaScript pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.

🎯 Production Use Cases

Autonomous AI Agents

Orchestrate intelligent workflows and tool-calling routines with mermaid-cli.

Model Inference & Prompting

Integrate fast, local or cloud-hosted generative AI models directly into production code.

Context Memory & RAG

Augment language models with dynamic vector retrieval and structured project memory.

Developer Productivity

Automate repetitive engineering tasks, code generation, and test creation using AI agents.

🚀 Getting Started

1

Install mermaid-cli using your package manager: `npm install mermaid-cli`

2

Initialize your project workspace or configuration file for mermaid-cli.

3

Import mermaid-cli into your codebase or invoke it directly from your terminal.

4

Execute your test suite or run `mermaid-cli --help` to verify successful setup.

👍 Strengths

Active community backing with 5,136 GitHub stars and verified adoption.
Permissive open-source distribution under the MIT license.
Built in JavaScript for high execution speed and developer familiarity.
Cross-platform compatibility across modern Linux, macOS, and Windows environments.
Clean modular design allowing flexible configuration and pipeline integration.

⚠️ Considerations

Requires familiarity with JavaScript and modern CLI workflows.
Ecosystem extensions may require manual configuration depending on environment constraints.
Active development roadmap means breaking API changes may occur across major versions.

⇄ Alternatives & Direct Competitors

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👥 Who Should Use This

Developers and engineering teams building with JavaScript, seeking reliable, tested, and actively maintained tooling for production workloads.

🏆 Nearby in the Rankings

mermaid-js/mermaid-cli is currently ranked #2,530 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

RankRepositoryLanguageStarsAction
#2,525 spack/spack Python ★ 5.1K Compare ↗
#2,525 line/armeria Java ★ 5.1K Compare ↗
#2,525 homarr-labs/homarr TypeScript ★ 5.1K Compare ↗
#2,528 homeassistant-ai/ha-mcp Python ★ 5.1K Compare ↗
#2,529 tixl3d/tixl C# ★ 5.1K Compare ↗
#2,530 mermaid-js/mermaid-cli This Project JavaScript ★ 5.1K
#2,531 jub0t/concat Rust ★ 5.1K Compare ↗
#2,532 hashicorp/golang-lru Go ★ 5.1K Compare ↗
#2,533 scinfu/SwiftSoup Swift ★ 5.1K Compare ↗
#2,534 gregmalcolm/python_koans Python ★ 5.1K Compare ↗
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Frequently Asked Questions

What does mermaid-cli do? +

Command line tool for the Mermaid library

Is mermaid-cli actively maintained in 2026? +

Yes, mermaid-cli is actively maintained. The latest code push was recorded on Oct 27, 2026 (2 days ago). It holds a calculated Maintenance Health Score of 97/100 (A+ rating) with 5,136 stars and 81 open issues.

What language is mermaid-cli written in? +

The primary language is JavaScript. Topics include: cli, diagrams, mermaid.

How many stars does mermaid-cli have? +

mermaid-cli has 5,136 stars and 394 forks on GitHub.

How does mermaid-cli rank among GitHub repositories? +

With 5,136 stars, mermaid-js/mermaid-cli is ranked #2,530 globally across all repositories tracked on GitHubRepo and #211 among JavaScript projects.

What license is mermaid-cli distributed under? +

The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.

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