Who should use lumin?

lumin is an open-source project built for ruby developers.

What platforms does lumin run on?

lumin runs on the web and the command line.

Is lumin still maintained?

Unverified. lumin has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What projects are similar to lumin?

Similar projects tracked by PulseGate include isaac-acp, applyr, and cosmo-cli.

lumin is developed by Yudai Takada.

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lumin

Name: lumin
Author: Yudai Takada

rubygems.orgInfrastructure

lumin is a command-line tool for Ruby developers that provides configurable lint rules, parallel execution, caching, and safe autocorrection. It helps automate code quality checks and maintain consistent coding standards in Ruby projects. Requires Ruby 3.3 or higher.

FreeWebCLI

Visit rubygems.org

Overview

5 features

lumin is a CLI tools & terminal project. It focuses on automating and improving code quality checks for Ruby projects with customizable linting and autocorrection. It is built as an open-source project for ruby developers. It is available for free. lumin is available on the web and the command line.

It is developed by Yudai Takada, and it first shipped in 2026. Among its 5 catalogued features are configurable lint rules, parallel execution, and caching.

Summary written by a language model from the project’s public pages.

Configurable lint rules
Parallel execution
Caching
Safe autocorrection
Ruby 3.3+ support

Built with & integrations

Framework

Rails

Runs on

BrowserCLI

Detected from

Rails: /assets/application- in the HTML

Trust & compliance

Verified signals

HTTPSFree tier

Indexing history

What PulseGate has recorded for this listing

Indexed16 Jul · 05:37 UTC
lumin verified against its public source
Source: PulseGate · Open

Frequently asked questions about lumin

What is lumin?: Lumin focuses on automating and improving code quality checks for Ruby projects with customizable linting and autocorrection. It is catalogued under CLI tools & terminal on PulseGate.
Who should use lumin?: lumin is an open-source project built for ruby developers.
Does lumin have a free plan?: Yes — lumin is free to use.
What platforms does lumin run on?: lumin runs on the web and the command line.
Is lumin still maintained?: Unverified. lumin has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to lumin?: Similar projects tracked by PulseGate include isaac-acp, applyr, and cosmo-cli.isaac-acp applyr cosmo-cli
Who develops lumin?: lumin is developed by Yudai Takada.
How long has lumin been around?: lumin first shipped in 2026.

At a glance

Pricing: Free
Platforms: Web
Languages: English
First seen: 16 Jul 2026
Built for: ruby developers
Model: Open source
Solves: Automating and improving code quality checks for Ruby projects with customizable linting and autocorrection.

Developer

Yudai Takada

Index record

Identity confidence: Medium · 72.8
Indexed: 16 Jul 2026
Lifecycle: Unverified
First seen: Jul 2026
Last seen: 16 Jul 2026

Identity audit (12)

Slug: lumin-rubygems-org
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 16 Jul 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 16 Jul 2026
Canonical URL: https://rubygems.org/gems/lumin

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