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 martanne/vis got a first human reply in a median of 3.5 hours (20 pull requests, 19 April to 16 October 2026); 14% got none within 14 days. It ranks 1,324 of 3,219 overall. It is not ranked for first-time contributors: not enough evidence to show under this lens.

Key facts
Rank1,324 of 3,219
Score52.73
TierC
Median first reply3.5 hours
14-day no-reply share14%
First-timer rankNot enough evidence to show under this lens.
EcosystemC and C++
Window19 April to 16 October 2026

Composite

Rank
1,324 of 3,219
Score
52.73
Tier
C
Coverage
87% · Ceiling A
Quadrant
Nursery

Coordinates: leverage 48.3 (coverage 100%), friction 40.7 (coverage 75%)

Five pillars

Score out of 100, and how much of the pillar was measured
PillarScoreCoverage
Responsiveness76.855%
Criticality46.6100%
Governance50.5100%
Rigor49.8100%
Accessibility28.785%

The measured parameters

Responsiveness

ParameterValueScoreCountWindowSource
Decision Rate (90d)Share of outside pull requests that were merged or closed within 90 days.Not shown: Insufficient sample size
PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days.13.6%72.72220 April to 17 October 2026primaryraw/pr_window/martanne__vis.json
First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged.Not shown: Insufficient sample size
Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply.3.5 hours (0.1 days)100.02019 April to 16 October 2026primaryraw/pr_window/martanne__vis.json
Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged.1117.9 hours (46.6 days)13.4819 April to 16 October 2026primaryraw/pr_window/martanne__vis.json

Criticality

ParameterValueScoreCountWindowSource
DependentsPackages in the registry that depend on this project, counted once each.Not shown: Not applicable
Monthly DownloadsDownloads from the package registry in a month.Not shown: Not applicable
OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals.0.46646.6——proxy:no_dependents_signalraw/github_meta/martanne__vis.json

Governance

ParameterValueScoreCountWindowSource
Elephant FactorThe fewest organisations that account for half of the last year's commits.125.0194—primaryraw/commits_365d/martanne__vis.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/martanne__vis.json
Promotion LadderHow openly a contributor can become a maintainer, from closed to verified.No written path to becoming a maintainer40.0——primaryraw/governance/martanne__vis.json

Rigor

ParameterValueScoreCountWindowSource
AI Policy PostureWhether the project has a written policy on AI-assisted contributions.No written AI policy40.0——primaryraw/governance/martanne__vis.json
Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100.5555.0——primaryraw/scorecard/martanne__vis.json
Substantive Review RateShare of decided pull requests that received a substantive review.42.1%52.61919 April to 16 October 2026primaryraw/pr_window/martanne__vis.json

Accessibility

ParameterValueScoreCountWindowSource
Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals.8585.030—primaryraw/actions_runs/martanne__vis.json
Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days.16.7%33.36—primaryraw/author_history/martanne__vis.json
Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers.00.0——primaryraw/gfi/martanne__vis.json
Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days.Not shown: Insufficient sample size

Persona view

PersonaRankScoreTierStatus
Balanced1,324 of 3,21952.73CRated
First-timerNot enough evidence to show under this lens.
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-assisted1,525 of 3,69652.56CRated

Integrity

Snapshot
2026-10-17
Raw hash
2579b67959c26eb6c481aa9c1643a7324b7ccdf42b24d32ef27c6999151693c3

No suspicion flags on this repository.

The full record is in data/2026-10-17/repos/3e.json, under the key martanne/vis.

How every number is measured: Porchlamp methodology.

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

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

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