rrrene/credo

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A static code analysis tool for the Elixir language with a focus on code consistency and teaching.

Stars: 5.2k
Forks: 457
Open beginner issues: 0
Indexed issues: 24
Avg merge: 6h 2m
Merged PRs (30d): 1

Dominant language: Elixir
License: MIT
Last GitHub push: Aug 26, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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24 open issues indexed

Empty file with single line feed results in readability issue Open

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

rrrene/credo#1305 · 3 comments · Opened Aug 6, 2026
`Credo.Check.Design.AliasUsage` doesn't warn on un-aliased struct modules Open

Difficulty 3/5 1-2 days Newbie friendliness 62/100

rrrene/credo#1303 · Opened Aug 4, 2026
DeprecatedChecksConfig false-positives on every `:disabled` entry Open

Difficulty 3/5 1-2 days Newbie friendliness 74/100

rrrene/credo#1302 · Opened Aug 3, 2026
`NegatedConditionsWithElse` refactoring warning triggered for `!!` operator Open

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

rrrene/credo#1299 · Opened Jul 6, 2026
Inconviniency regarding getting check module names. Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

rrrene/credo#1298 · 2 comments · Opened Jul 3, 2026
Appetite for upstreaming alias / use-focused introspection helpers from AshCredo? Open

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

rrrene/credo#1286 · 2 comments · Opened May 15, 2026
MissingCheckInConfig doesn't find unused checks, as it relies on the checks being loaded Open

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

rrrene/credo#1278 · 3 comments · Opened Apr 17, 2026
Generate `# credo:disable*` comments and find unneeded ones Open

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

rrrene/credo#1237 · 5 comments · Opened Dec 29, 2025
New readability check: OkWithoutErrorReturnValue Open

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

rrrene/credo#1227 · 1 comment · Opened Nov 29, 2025
New Check: StrictModuleDirectiveScope Open

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

rrrene/credo#1222 · 4 comments · 1 reaction · Opened Oct 16, 2025
add `Credo.Check.Readability.NoCaptureOperator` Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

rrrene/credo#1215 · 3 comments · 2 reactions · Opened Aug 26, 2025
Mixing flags causes diff to output errors from unrelated files Open

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

rrrene/credo#1213 · Opened Aug 14, 2025
Add an option to enable all checks Open

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

rrrene/credo#1212 · 5 comments · Opened Jul 30, 2025
StrictLayout not honoring guard rules Open

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

rrrene/credo#1205 · 5 comments · Opened Jun 26, 2025
Adding file exclusions to a single check causes a hang Open

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

rrrene/credo#1195 · 4 comments · Opened May 29, 2025
Credo.Check.Warning.Dbg doesn't see dbg calls in heex templates Open

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

rrrene/credo#1194 · Opened May 24, 2025
Weird and inconsistent ABCSize behaviour when using guard, quote and unquote Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

rrrene/credo#1193 · Opened Apr 30, 2025
Slow Elixir.Credo.CLI.Task.PrepareChecksToRun Open

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

rrrene/credo#1188 · 11 comments · Opened Apr 4, 2025
AbcSize does not exclude method declarations. Open

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

rrrene/credo#1176 · 1 comment · Opened Jan 19, 2025
Incorrect `Exception modules should be named consistently` Open

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

rrrene/credo#1174 · 2 comments · Opened Jan 7, 2025
`--format=sarif` still outputs summary with using `mix credo diff` Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

rrrene/credo#1153 · 2 comments · Opened Sep 10, 2024
Unicode characters (arrows) that indicate priority of found issues not printed correctly Open

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

rrrene/credo#1137 · 2 comments · Opened Jun 5, 2024
`No files found` (OTP 26? MacOS?) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rrrene/credo#1080 · 5 comments · 2 reactions · Opened Oct 16, 2023
Add autocorrect functionality Open

Discussion Level: Advanced Status: help wanted

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

rrrene/credo#944 · 4 comments · 22 reactions · Opened Jan 31, 2022

rrrene/credo

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