MaintainerPulse

temporal prediction of dependency maintenance risk

sambanova sambanova/sambanova-python ✓ low risk

6%
no release in the next 12 months
54%
new issues will go unanswered (30 days)
52%
maintainer activity collapse within 12 months
98%
chance of a release within 12 months (survival model)

Repository activity, last 36 months

pushes issues PyPI release
025502025-092026-012026-052026-09

What drives this score

TreeSHAP contributions; raises risk / lowers risk
releases, last 12mo-days since last release-pushes, last 12mo-releases, all time-

Survival curve

P(still no release) m months ahead, discrete-time hazard model
0%50%100%036912

What if? — poke the model

drag a signal and the deployed models rescore this package live (implied signals move together — two years without a release also zeroes "releases, last 12mo"). The needle tracks the activity-collapse model, a logistic regression: monotone by construction, so it responds smoothly to counterfactuals where the tree models step.

maintainer activity collapse, 12mo

In plain words

Signals at the latest snapshot

days since last release 5 releases, last 12mo 20
people pushing, last 12mo 2 bus factor (top pusher share) 88%
issues opened, last 12mo 0 30-day response rate no issues
stars accumulated 0 open vulns without fix 0

Probabilities are isotonic-calibrated on a held-out validation year and evaluated on future snapshots the models never saw (PR-AUC 0.894, precision@50 = 1.00 on the headline target).