Find the mime type of files, examining file, filename and declared type
Star History
Momentum
+12
STARS · LAST 30 DAYS
1
PER DAY
#255
MOST-STARRED Ruby
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +7 | +12 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +1 | +3 | +10 |
marcel gained 12 stars in the last 30 days, about 1 a day, and now has 465. It is about 10 years old and has averaged roughly 47 stars a year. It ranks #255 among Ruby repositories and #3,785 across all languages on GitHubRepo.
Trending Record
4
DAYS ON TRENDING
#2179
BEST RANK
Sep 25, 2026
FIRST APPEARANCE
Active
STATUS TODAY
marcel has maintained a continuous presence across global trending indexes, peaking at #2179. Below is the 30-day activity profile:
💡 Overview
marcel is an open-source project written in Ruby: Find the mime type of files, examining file, filename and declared type.
Engineered for speed, consistency, and developer ease, it solves common hurdles in Ruby. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in Ruby for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ git clone https://github.com/rails/marcel.git
cd marcel
⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Ruby >= 3.1 with Bundler
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
marcel coordinates its core functionality through a modular Ruby 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
Production System Integration
Embed marcel into Ruby backend services to handle core application logic.
CI/CD Automated Pipelines
Run automated validation, builds, and integration suites during deployments.
Developer Tooling & Workflows
Accelerate developer onboarding with pre-configured project utilities.
Open Source Extension
Fork and customize internal modules under the repository's open Apache-2.0 license.
🚀 Getting Started
Install marcel using your package manager: `git clone https://github.com/rails/marcel.git`
Initialize your project workspace or configuration file for marcel.
Import marcel into your codebase or invoke it directly from your terminal.
Execute your test suite or run `marcel --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Ruby, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
rails/marcel is currently ranked #3,785 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #3,778 | cesargb/laravel-magiclink | PHP | ★ 467 | Compare ↗ |
| #3,778 | NLnetLabs/domain | Rust | ★ 467 | Compare ↗ |
| #3,778 | alantech/marsha | Python | ★ 467 | Compare ↗ |
| #3,783 | dy/wavefont | JavaScript | ★ 466 | Compare ↗ |
| #3,783 | burakgon/stop-stutter | Swift | ★ 466 | Compare ↗ |
| #3,785 | rails/marcel This Project | Ruby | ★ 465 | |
| #3,785 | PCGen/pcgen | Java | ★ 465 | Compare ↗ |
| #3,785 | iedr/goodfirstissues | JavaScript | ★ 465 | Compare ↗ |
| #3,785 | marcoturi/fastify-boilerplate | TypeScript | ★ 465 | Compare ↗ |
| #3,785 | TheOrcDev/videorc | Rust | ★ 465 | Compare ↗ |
| #3,790 | myabc/markdownj | Java | ★ 464 | Compare ↗ |
Frequently Asked Questions
What does marcel do? +
Find the mime type of files, examining file, filename and declared type
What language is marcel written in? +
The primary language is Ruby. Topics include: software.
Is marcel actively maintained? +
Yes, the last recorded push was on Sep 24, 2026 with 2 open issues being tracked.
How many stars does marcel have? +
marcel has 465 stars and 80 forks on GitHub.
How does marcel rank among GitHub repositories? +
With 465 stars, rails/marcel is ranked #3,785 globally across all repositories tracked on GitHubRepo and #255 among Ruby projects.
What license is marcel distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.