PorchlampFind the projects that leave the light on.2026-10-17

What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.

Outside pull requests to mantinedev/mantine got a first human reply in a median of 4.8 days (82 pull requests, 18 April to 15 October 2026); 32% got none within 14 days. It ranks 1,791 of 3,219 overall. For first-time contributors it ranks 1,148 of 1,525 (the bottom 25%).

Key facts
Rank1,791 of 3,219
Score48.93
TierC
Median first reply4.8 days (115.8 hours)
14-day no-reply share32%
First-timer rank1,148 of 1,525
EcosystemJavaScript
Window18 April to 15 October 2026

Composite

Rank
1,791 of 3,219
Score
48.93
Tier
C
Coverage
100% · Full
Quadrant
Nursery

Coordinates: leverage 47.6 (coverage 100%), friction 49.3 (coverage 100%)

Five pillars

Score out of 100, and how much of the pillar was measured
PillarScoreCoverage
Responsiveness52.9100%
Criticality45.3100%
Governance50.5100%
Rigor49.7100%
Accessibility45.5100%

The measured parameters

Responsiveness

ParameterValueScoreCountWindowSource
Decision Rate (90d)Share of outside pull requests that were merged or closed within 90 days.100.0%100.09218 April to 17 July 2026primaryraw/pr_window/mantinedev__mantine.json
PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days.32.5%35.015720 April to 17 October 2026primaryraw/pr_window/mantinedev__mantine.json
First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged.60.6%75.833—primaryraw/author_history/mantinedev__mantine.json
Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply.115.8 hours (4.8 days)18.28218 April to 15 October 2026primaryraw/pr_window/mantinedev__mantine.json
Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged.677.8 hours (28.2 days)20.511918 April to 15 October 2026primaryraw/pr_window/mantinedev__mantine.json

Criticality

ParameterValueScoreCountWindowSource
DependentsPackages in the registry that depend on this project, counted once each.2537.6——primaryraw/dependents/mantinedev__mantine.json
Monthly DownloadsDownloads from the package registry in a month.1.6 million downloads a month53.5——primaryraw/downloads/npm__mantine.json
OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals.0.48248.2——primaryraw/github_meta/mantinedev__mantine.json

Governance

ParameterValueScoreCountWindowSource
Elephant FactorThe fewest organisations that account for half of the last year's commits.125.01,000—primaryraw/commits_365d/mantinedev__mantine.json
Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA.No CLA or sign-off found85.0——primaryraw/governance/mantinedev__mantine.json
Promotion LadderHow openly a contributor can become a maintainer, from closed to verified.No written path to becoming a maintainer40.0——primaryraw/governance/mantinedev__mantine.json

Rigor

ParameterValueScoreCountWindowSource
AI Policy PostureWhether the project has a written policy on AI-assisted contributions.Written AI policy95.0——primaryraw/governance/mantinedev__mantine.json
Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100.5050.0——primaryraw/scorecard/mantinedev__mantine.json
Substantive Review RateShare of decided pull requests that received a substantive review.3.2%4.019018 April to 15 October 2026primaryraw/pr_window/mantinedev__mantine.json

Accessibility

ParameterValueScoreCountWindowSource
Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals.7070.030—primaryraw/actions_runs/mantinedev__mantine.json
Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days.50.0%100.012—primaryraw/author_history/mantinedev__mantine.json
Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers.00.0——primaryraw/gfi/mantinedev__mantine.json
Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days.0.0%0.06—primaryraw/author_history/mantinedev__mantine.json

Persona view

PersonaRankScoreTierStatus
Balanced1,791 of 3,21948.93CRated
First-timer1,148 of 1,52549.25CRated
Career capitalThis repository's production-criticality signal is not yet high enough for career-capital ranking.
Senior systemsFewer than 3 organizations account for most commits (not multi-vendor).
AI-assisted1,996 of 3,69649.16CRated

Integrity

Snapshot
2026-10-17
Raw hash
ce7f0287a2c43cc41d545d642a42debe29a684246ee509aa911036d3a7aa26ac

No suspicion flags on this repository.

The full record is in data/2026-10-17/repos/47.json, under the key mantinedev/mantine.

How every number is measured: Porchlamp methodology.

Open an issue about this record and say what looks wrong.

Porchlamp (2026). mantinedev/mantine. Snapshot 2026-10-17. https://porchlamp.org/projects/mantinedev/mantine/. CC BY 4.0.

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