koalaman/shellcheck

ShellCheck, a static analysis tool for shell scripts

40.2k stars · 2k forks · Haskell

Healthy

Healthy: actively maintained by 5 people, no known risks.

Why

No rule fired.

What would change this

A dormant maintenance status, a deprecated or archived package, a successor link, or a critical advisory would change this.

Maintenance

Complete

Active

Human commits, 30 days: 26
Human commits, 90 days: 26
Human commits, 365 days: 92
Bot share of commits, 365 days: 9%
Last commit: Oct 14, 2026 (1 day ago)
Last human commit: Oct 14, 2026 (1 day ago)
Authors, 90 days: 5
Last release: Aug 4, 2025 (1 year ago)
Median PR merge time: 18 days

Responsiveness: of 28 recent issues, 57% got a maintainer reply. Median first response: 7 hours.

Sources: Commits, Releases, Merged pull requests, Issues

People

Complete

Owner: Personal account
Commits sampled: 92 since Oct 14, 2025
Authors for half of commits: 1
Authors for 80% of commits: 3
Contributors: 168

Top committers

koalaman: 51% of commits
e-kwsm: 28% of commits
mclasmeier: 7% of commits
dotysan: 2% of commits
notpeter: 2% of commits

The top committer changed during this period.

Sources: Commits, Contributors

Stars

Complete

Organic, confidence high

Bars show stars gained each week. Orange bars overlap a burst.

Bursts

Oct 21, 2013 to Oct 22, 2013: about 17 more stars than usual, peak 11 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Apr 2, 2014 to Apr 5, 2014: about 62 more stars than usual, peak 31 in one day, a spike that tapers off. Outside explanation: a jump in forks.
Aug 15, 2014 to Aug 15, 2014: about 14 more stars than usual, peak 15 in one day, a spike that tapers off. Outside explanation: a Hacker News post, a jump in issues and pull requests.
Dec 20, 2014 to Dec 23, 2014: about 101 more stars than usual, peak 60 in one day, a spike that tapers off. Outside explanation: a Hacker News post.
Feb 5, 2015 to Feb 6, 2015: about 76 more stars than usual, peak 72 in one day, a spike that tapers off. Outside explanation: a Hacker News post, a jump in forks, a jump in issues and pull requests.
Feb 13, 2015 to Feb 13, 2015: about 24 more stars than usual, peak 27 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
May 1, 2015 to May 2, 2015: about 76 more stars than usual, peak 56 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
Jan 12, 2016 to Jan 13, 2016: about 48 more stars than usual, peak 37 in one day, a spike that tapers off. Outside explanation: a jump in forks.
Jan 17, 2016 to Jan 19, 2016: about 65 more stars than usual, peak 33 in one day, a spike that tapers off. Outside explanation: a jump in forks.
Mar 2, 2016 to Mar 3, 2016: about 34 more stars than usual, peak 31 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
Jan 6, 2017 to Jan 10, 2017: about 94 more stars than usual, peak 36 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
Apr 23, 2017 to Apr 24, 2017: about 85 more stars than usual, peak 81 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
May 12, 2017 to May 15, 2017: about 308 more stars than usual, peak 186 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
May 14, 2018 to May 17, 2018: about 262 more stars than usual, peak 121 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
Jun 1, 2019 to Jun 6, 2019: about 393 more stars than usual, peak 173 in one day, a spike that tapers off. Outside explanation: a jump in forks.
Feb 1, 2020 to Feb 3, 2020: about 239 more stars than usual, peak 146 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
Feb 9, 2020 to Feb 11, 2020: about 191 more stars than usual, peak 102 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
Mar 18, 2021 to Mar 22, 2021: about 434 more stars than usual, peak 263 in one day, a spike that tapers off. Outside explanation: a Hacker News post, a jump in forks.
May 3, 2021 to May 4, 2021: about 73 more stars than usual, peak 59 in one day, a spike that tapers off. Outside explanation: a Hacker News post, a jump in issues and pull requests.
Oct 27, 2021 to Oct 29, 2021: about 76 more stars than usual, peak 39 in one day, a spike that tapers off. Outside explanation: a jump in forks.
Oct 6, 2023 to Oct 7, 2023: about 50 more stars than usual, peak 37 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
Nov 23, 2023 to Nov 24, 2023: about 59 more stars than usual, peak 50 in one day, a spike that tapers off. Outside explanation: a Hacker News post, a jump in forks, a jump in issues and pull requests.

1 stars GitHub has since removed (tracked since Oct 14, 2026).

Anyone can buy stars for any repo; bursts alone don't prove the owner did.

The star history looks organic.

Sources: How star history is analyzed

Risk

Complete

Flags

No risk flags.

License

Now: GPL-3.0 (OSI-approved)
A year ago: GPL-3.0 (OSI-approved)

Packages

No published packages found.

OpenSSF Scorecard: 4.8 out of 10 (via deps.dev).

Sources: GitHub: koalaman/shellcheck

Badge

Add this to a README to show the current verdict:

[![RepoRadar](https://reporadar.ai/koalaman/shellcheck/badge.svg)](https://reporadar.ai/koalaman/shellcheck)

Earlier verdicts

Oct 14, 2026: Healthy
Oct 14, 2026: Healthy
Oct 13, 2026: Healthy

Computed 14 hours ago · method 2026.10.2