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

Yes — RuboCop is open source under the MIT license and free to use.

What platforms does RuboCop run on?

RuboCop runs on the web and the command line. It can also be self-hosted.

Is RuboCop still maintained?

The GitHub repository shows 622 commits in the last 90 days.

What are alternatives to RuboCop?

Similar projects tracked by PulseGate include RuboCop Codeur, RuboCop LTS, and rrubocop.

RuboCop is developed by RuboCop Team.

Back to the index

RuboCop

Name: RuboCop
Author: RuboCop Team

rubocop.orgInfrastructure

RuboCop is an open-source Ruby static code analyzer and formatter based on the community-driven Ruby Style Guide. Developers can inspect and autocorrect offenses, configure checks through .rubocop.yml, and extend the tool with plugins and custom formatters.

Open SourceMITWebCLISelf-hosted

Visit rubocop.org

12.9kstars

3.1kforks

5features

2012since

Overview

5 features

RuboCop is a Static analysis & linters project. It focuses on maintaining consistent Ruby code style and automatically fixing linting violations. It is built as an open-source project for ruby developers. RuboCop is open source under the MIT license. It runs on the web and the command line, and it can be self-hosted.

Behind RuboCop is RuboCop Team, and it first shipped in 2012. Development happens publicly on GitHub with 12.9k stars and 622 commits in the last 90 days. Key capabilities include lint checking, auto-correction, and code formatting.

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

Lint checking
Auto-correction
Code formatting
Style configuration
Plugin extensions

Built with & integrations

Written with

Claude Code

Runs on

BrowserCLISelf-hosted

Written with — evidence

Claude Code: commit 318127275d7f · since Sept 2026

Trust & compliance

License

MIT

Verified signals

HTTPSOpen SourceFree tierGitHub · ★ 12.9kActive maintenance

Indexing history

What PulseGate has recorded for this listing

Indexed10 Sept · 19:35 UTC
rubocop verified via RubyGems just-updated
Source: RubyGems just-updated · Open

Frequently asked questions about RuboCop

What does RuboCop do?: RuboCop focuses on maintaining consistent Ruby code style and automatically fixing linting violations. It is catalogued under Static analysis & linters on PulseGate.
Who is RuboCop for?: RuboCop is an open-source project built for ruby developers.
Is RuboCop free?: Yes — RuboCop is open source under the MIT license and free to use.
What platforms does RuboCop run on?: RuboCop runs on the web and the command line. It can also be self-hosted.
Is RuboCop still maintained?: The GitHub repository shows 622 commits in the last 90 days.
What are alternatives to RuboCop?: Similar projects tracked by PulseGate include RuboCop Codeur, RuboCop LTS, and rrubocop.RuboCop Codeur RuboCop LTS rrubocop
Who makes RuboCop?: RuboCop is developed by RuboCop Team.
How long has RuboCop been around?: RuboCop first shipped in 2012.

At a glance

Platforms: Web
Languages: English
Open source: Yes · ★ 12.9k
License: MIT
First seen: 10 Sept 2026
Built for: Ruby developers
Model: Open source
Solves: Maintaining consistent Ruby code style and automatically fixing linting violations.

Registered as

GitHub: rubocop/rubocop

Developer

RuboCop Team

Community-driven

GitHub

Open source

View on GitHub

Stars: 12,897
Forks: 3,138
Open issues: 147
Last commit: 10 Sept 2026
Commits 90d: 622
Contributors: 1,127
Authorship: Community-driven
Default branch: master
Latest release: v1.91.0 · 10 Sept 2026

Index record

Indexed: 10 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 10 Sept 2026

Identity audit (13)

Slug: rubocop-rubocop-org
Lifecycle state recorded: 10 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 10 Sept 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: 10 Sept 2026
Canonical URL: https://rubocop.org/

Ship this? Send a correction — no account, and you get a link to follow it.

Similar projects

Closest matches by what these projects do