Owner

rubocop

16 indexed repositories · View on GitHub

ruby-style-guide
A community-driven Ruby coding style guide

16548 stars
rubocop
A Ruby static code analyzer and formatter, based on the community Ruby style guide.

Ruby · 12904 stars
rails-style-guide
A community-driven Ruby on Rails style guide

6504 stars
rubocop-rails
A RuboCop extension focused on enforcing Rails best practices and coding conventions.

Ruby · 877 stars
rubocop-rspec
Code style checking for RSpec files.

Ruby · 857 stars
rubocop-performance
An extension of RuboCop focused on code performance checks.

Ruby · 743 stars
rubocop-minitest
Code style checking for Minitest files.

Ruby · 167 stars
rubocop-ast
RuboCop's AST extensions and NodePattern functionality

Ruby · 146 stars
rubocop-rake
A RuboCop plugin for Rake

Ruby · 117 stars
rubocop-factory_bot
Code style checking for factory_bot files.

Ruby · 90 stars
rubocop-md
RuboCop for Markdown code snippets

Ruby · 87 stars
vscode-rubocop
The official VS Code extension for the RuboCop linter and code formatter.

TypeScript · 75 stars
rubocop-capybara
Code style checking for Capybara files.

Ruby · 67 stars
rubocop-i18n
RuboCop rules for detecting and autocorrecting undecorated strings for i18n (gettext and rails-i18n)

Ruby · 45 stars
rubocop-rspec_rails
Code style checking for Rails-related RSpec files.

Ruby · 43 stars
rubocop-sequel
Code style checking for Sequel

Ruby · 31 stars

Beginner friendly Everything

Open All

Add an EnforcedStyle to Style/MutableConstant that forbids .freeze on literals Open

feature request

Difficulty 4/5 3-5 days Newbie friendliness 20/100

rubocop/rubocop#15726 · Opened Sep 18, 2026
CVE-2026-34060 flagged by security scan on marketplace download Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

rubocop/vscode-rubocop#51 · Opened Sep 8, 2026
`Lint/RedundantCopDisableDirective` leaves an orphan `enable` directive when the cop is not enabled Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

rubocop/rubocop#15671 · 1 comment · Opened Sep 7, 2026
Style/RedundantFetchBlock autocorrect adds an argument to splatted fetch calls Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

rubocop/rubocop#15663 · Opened Sep 5, 2026
Lint/NameTypo reports false-positives for Time.now with ProjectIndexIncludesGems: true Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

rubocop/rubocop#15643 · 1 comment · Opened Aug 31, 2026
ReverseEach autocorrect changes implicit method return value Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

rubocop/rubocop-performance#536 · Opened Aug 30, 2026
RedundantBlockCall misses shadowed block argument inside begin body Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

rubocop/rubocop-performance#534 · Opened Aug 30, 2026
DoubleStartEndWith unsafe autocorrect changes impure receiver evaluation Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

rubocop/rubocop-performance#535 · Opened Aug 30, 2026
Style/InverseMethods: class-hierarchy guard misses comparisons whose operands are not literal constants Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

rubocop/rubocop#15577 · Opened Aug 18, 2026
Frame unconditional guard over unreachable code Open

feature request

Difficulty 3/5 1-2 days Newbie friendliness 68/100

rubocop/rubocop#15571 · 1 comment · Opened Aug 16, 2026
Glob Exclude entries in .rubocop_todo.yml are silently skipped by --report-unused-todo-entries Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

rubocop/rubocop#15570 · Opened Aug 14, 2026
RuboCop::TestCase raises NameError: wrong constant name when used with Minitest's spec DSL and nested describe blocks Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

rubocop/rubocop-minitest#361 · Opened Aug 13, 2026
Support `Oj` JSON library parsing with `Rails/ResponseParsedBody` Open

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

rubocop/rubocop-rails#1651 · Opened Aug 12, 2026
Cop idea: `Capybara/InvalidBlockUsage` Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

rubocop/rubocop-capybara#223 · Opened Jul 30, 2026
Cop idea: `Capybara/AbsoluteXPathInElementScope` Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

rubocop/rubocop-capybara#222 · Opened Jul 30, 2026
Cop idea: `Capybara/RSpec/WindowClosedExpectation` Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

rubocop/rubocop-capybara#221 · Opened Jul 30, 2026
Cop idea: `Capybara/UnorderedWindowAccess` Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

rubocop/rubocop-capybara#220 · Opened Jul 30, 2026
Extend `Capybara/RSpec/NegationMatcher` to handle double negation Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

rubocop/rubocop-capybara#219 · Opened Jul 30, 2026
Cop idea: `Capybara/Minitest/TitleAssertion` Open

Difficulty 4/5 3-5 days Newbie friendliness 68/100

rubocop/rubocop-capybara#218 · Opened Jul 30, 2026
Cop idea: `Capybara/Minitest/CurrentPathAssertion` Open

Difficulty 4/5 3-5 days Newbie friendliness 68/100

rubocop/rubocop-capybara#217 · Opened Jul 30, 2026
Cop idea: `Capybara/RSpec/TitleExpectation` Open

Difficulty 4/5 3-5 days Newbie friendliness 64/100

rubocop/rubocop-capybara#215 · Opened Jul 30, 2026
Cop idea: `Capybara/RSpec/CurrentUrlExpectation` Open

Difficulty 4/5 3-5 days Newbie friendliness 58/100

rubocop/rubocop-capybara#214 · Opened Jul 30, 2026
Cop idea: `Capybara/RSpec/AllCountExpectation` Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

rubocop/rubocop-capybara#213 · Opened Jul 30, 2026
Cop idea: `Capybara/VacuousCountQuery` Open

Difficulty 4/5 3-5 days Newbie friendliness 58/100

rubocop/rubocop-capybara#212 · Opened Jul 30, 2026
Cop idea: `Capybara/IneffectiveQueryOption` Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

rubocop/rubocop-capybara#211 · Opened Jul 30, 2026
Capybara/FindAllFirst incorrectly flags find(x, match: :first) Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

rubocop/rubocop-capybara#202 · Opened Jul 21, 2026
Layout/LineLength needs nuance Open

feature request

Difficulty 5/5 Over a week Newbie friendliness 35/100

rubocop/rubocop#15467 · 1 comment · Opened Jul 15, 2026
Tuning RuboCop's defaults from real-world usage data (RuboCop 2 discussion) Open

breaking-change high priority

Difficulty 5/5 Over a week Newbie friendliness 25/100

rubocop/rubocop#15363 · 9 comments · 1 reaction · Opened Jun 28, 2026
Rails/Presence is not safe for DelegateClass objects Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

rubocop/rubocop-rails#1639 · Opened Jun 19, 2026
Accept right-aligned numerics Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

rubocop/rubocop#15286 · 1 comment · Opened Jun 13, 2026
PII and Sensitive Data Logging Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

rubocop/rubocop-rails#1614 · Opened May 6, 2026
Add new `Rails/ActiveStorageAttachedDependent` cop to flag silent no-op `dependent:` values Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

rubocop/rubocop-rails#1612 · Opened May 3, 2026
Add new `Rails/SchemaCommentPresence` cop to enforce comments in `db/schema.rb` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rubocop/rubocop-rails#1607 · 1 comment · Opened Apr 23, 2026
Add Style/FeatureEnvy Open

feature request

Difficulty 5/5 Over a week Newbie friendliness 45/100

rubocop/rubocop#15118 · 5 comments · 1 reaction · Opened Apr 18, 2026
Add `Style/IfUnlessModifier` configuration to allow consecutive conditions Open

feature request

Difficulty 3/5 1-2 days Newbie friendliness 55/100

rubocop/rubocop#15117 · Opened Apr 17, 2026
Cop idea: Force disable_ddl_transaction! usage when using batched data manupilation in a migration Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

rubocop/rubocop-rails#1601 · Opened Apr 10, 2026
Rails/Exit and Rails/Output incorrectly match files when project is located inside a directory named `app` Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

rubocop/rubocop-rails#1600 · 2 reactions · Opened Apr 7, 2026
`Style/SafeNavigation` false negative on method conditionally executed after `.nil?` check Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

rubocop/rubocop#15086 · 1 comment · Opened Apr 6, 2026
Incorrect advice for changing the code when `Style/CollectionQuerying` occurs Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

rubocop/rubocop#15067 · Opened Mar 27, 2026
Add option to allow Lint/UselessAssignment and Style/MultilineIfModifier to ignore when used with keyword args Open

feature request stale

Difficulty 4/5 3-5 days Newbie friendliness 52/100

rubocop/rubocop#14976 · 1 comment · 1 reaction · Opened Mar 2, 2026
`Layout/RedundantLineBreak` should have option to selectively apply Open

feature request stale

Difficulty 4/5 3-5 days Newbie friendliness 48/100

rubocop/rubocop#14968 · 1 comment · Opened Feb 28, 2026
New cop: Performance/ChainedHashMerge Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

rubocop/rubocop-performance#526 · 2 reactions · Opened Feb 25, 2026
Extend InclusiveLanguage cop to cover speciesist terms Open

stale

Difficulty 5/5 Over a week Newbie friendliness 35/100

rubocop/rubocop#14953 · 1 comment · 1 reaction · Opened Feb 25, 2026
Cop idea: `Capybara/RSpec/HaveHttpStatus` Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

rubocop/rubocop-capybara#163 · Opened Feb 18, 2026
`Rails/SafeNavigation` needs `SafeAutoCorrect: false` Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

rubocop/rubocop-rails#1588 · Opened Feb 14, 2026
Wrong nil case handling for .include? Open

Difficulty 3/5 1-2 days Newbie friendliness 40/100

rubocop/rubocop-performance#525 · 1 comment · Opened Feb 10, 2026
New cop to detect `.distinct(:col_name)` antipattern Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

rubocop/rubocop-rails#1585 · Opened Feb 7, 2026
Is there interest in (unsafe) autocorrect to replace OpenStruct.new(keys: values) with Data.define(*keys).new(*values) Open

feature request

Difficulty 5/5 Over a week Newbie friendliness 25/100

rubocop/rubocop#14815 · 1 reaction · Opened Jan 29, 2026
Add new `Rails/SkipsModelCallbacks` cop for detecting methods that skip callbacks Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

rubocop/rubocop-rails#1581 · 1 comment · 2 reactions · Opened Jan 26, 2026
Implicit behavior when parsing malformed rubocop:disable directives Open

enhancement question

Difficulty 5/5 Over a week Newbie friendliness 25/100

rubocop/rubocop#14794 · Opened Jan 20, 2026

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