astroautomata/PySR

Maintenance

Steady

Human commits, 30 days

1

Human commits, 90 days

5

Human commits, 365 days

10

Bot share of commits, 365 days

95%

Last commit

Oct 28, 2026 (15 days ago)

Last human commit

Oct 28, 2026 (15 days ago)

Authors, 90 days

3

Last release

Oct 19, 2026 (23 days ago)

Median PR merge time

9 hours

Responsiveness: of 5 recent issues, 100% got a maintainer reply. Median first response: 10 hours.

• Commit counts are estimated: the commit sample stops before the window start, so GitHub's totals were scaled by the sampled bot share.
• Authors in the last 90 days are counted from the sampled commits only.
• Most commits in the last year come from bots.

Sources: Commits, Releases, Merged pull requests, Issues

People

Owner

Organization

Commits sampled

5 since Nov 12, 2025

Authors for half of commits

1

Authors for 80% of commits

2

Contributors

48

Top committers

• M-Colley: 60% of commits
• agarg21: 20% of commits
• MilesCranmer: 20% of commits

• Shares come from the newest sampled commits, since the commit sample is capped.

Sources: Commits, Contributors

Stars

Organic, confidence medium

Bursts

• Jun 1, 2021 to Jun 1, 2021: about 12 more stars than usual, peak 12 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Jun 25, 2021 to Jun 30, 2021: about 45 more stars than usual, peak 12 in one day, a shape we can't classify. Outside explanation: a jump in forks.
• Mar 8, 2022 to Mar 8, 2022: about 19 more stars than usual, peak 19 in one day, a spike that tapers off. Outside explanation: a jump in forks.
• Apr 12, 2024 to Apr 17, 2024: about 65 more stars than usual, peak 18 in one day, a spike that tapers off. Outside explanation: a jump in forks.
• Sep 11, 2024 to Sep 13, 2024: about 61 more stars than usual, peak 31 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
• Oct 17, 2026 to Oct 24, 2026: about 344 more stars than usual, peak 89 in one day, a shape we can't classify. Outside explanation: a Hacker News post, a jump in forks.

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

• The star history looks organic.
• Star history from the full report of Oct 25, 2026; this update did not re-read it.

Sources: How star history is analyzed

Risk

Flags

No risk flags.

License

Now

Apache-2.0 (OSI-approved)

A year ago

Apache-2.0 (OSI-approved)

Packages

• pysr (PYPI): latest 2.7.2, published Oct 19, 2026
  Advisories for the latest version: none listed

Package and advisory data: deps.dev and OSV.

Sources: GitHub: astroautomata/PySR, deps.dev: PyPI pysr