# RuboCop

> The Ruby Linter/Formatter that Serves and Protects

- **Canonical URI:** https://www.vioscale.ai/software/rubocop
- **Category:** Code Quality Tools
- **Homepage:** https://rubocop.org/
- **Also known as:** rubocop
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-03T22:37:14.763Z

## Vioscale score

**59.4 / 100**, confidence 27% (low).

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 100 | 6 | 600 | ✓ |
| reliability | 0 | 8 | 0 | - |
| capabilities | 45.8 | 16 | 733.1 | ✓ |
| github_stars | 77.5 | 5 | 387.7 | ✓ |
| integrations | 31 | 8 | 248.3 | ✓ |
| github_activity | 63.1 | 18 | 1135.8 | ✓ |
| release_cadence | 91.1 | 10 | 911.1 | ✓ |
| security_posture | 0 | 13 | 0 | - |
| package_downloads | 0 | 26 | 0 | - |
| pricing_transparency | 25 | 8 | 200 | ✓ |
| stackoverflow_activity | 0 | 12 | 0 | - |

## Pricing

_As of 2026-08-03, [verify at source](https://rubocop.org/). Independently observed._

Open source · Free tier

## About

RuboCop is a Ruby static code checker (linter) and formatter based on the community-driven Ruby Style Guide.

_Independently observed._

## Platform & deployment

- **Platforms:** CLI

## Integrations (11)

_Independently observed._

- rubocop-performance
- rubocop-rails
- rubocop-rspec
- rubocop-minitest
- rubocop-rake
- rubocop-sequel
- rubocop-thread_safety
- rubocop-capybara
- rubocop-factory_bot
- rubocop-rspec_rails
- rubocop-i18n

## Capabilities

_The capabilities that matter for Code Quality Tools. "-" = undocumented, not absent._

| Capability | Supported |
|---|:--:|
| **Core** | |
| Function | Linter + formatter |
| Language scope | Single-language |
| Implementation language | Ruby |
| **Capability** | |
| Autofix | ✓ |
| **Config** | |
| Config model | Config file |
| **Extensibility** | |
| Custom rules | ✓ |
| **Deployment** | |
| Deployment | CLI-local |
| **Delivery** | |
| Editor integration | - |
| CI / VCS gating | - |
| **Insight** | |
| Code metrics | - |
| **Performance** | |
| Incremental / monorepo aware | - |
| **Licensing** | |
| Open-source | OSS |
| **Commercial** | |
| Pricing model | Free |

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 100 | [link](https://github.com/rubocop/rubocop/pulse) | 2026-08-03 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 12,893 | [link](https://github.com/rubocop/rubocop) | 2026-08-03 | 90% (high) |

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 11 | [link](https://rubocop.org/) | 2026-08-03 | 60% (medium) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | Ruby | [link](https://github.com/rubocop/rubocop) | 2026-08-03 | 90% (high) |

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | MIT | [link](https://github.com/rubocop/rubocop) | 2026-08-03 | 95% (high) |

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | yes | [link](https://rubocop.org/) | 2026-08-03 | 60% (medium) |
| pricing.model | commercial | [link](https://rubocop.org/) | 2026-08-03 | 40% (low) |
| pricing.price_level | free | [link](https://rubocop.org/) | 2026-08-03 | 60% (medium) |

### release

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| release.cadence_days | 16 | [link](https://github.com/rubocop/rubocop/releases) | 2026-08-03 | 70% (medium) |

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*Source: Vioscale (https://www.vioscale.ai/software/rubocop). Independent, evidence-based software intelligence. Cite the canonical URI.*