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

python-jsonschema/jsonschema

Python

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

For python-jsonschema/jsonschema, the reply time has too small a sample to measure (0 pull requests counted; 10 needed). 28% of 29 outside pull requests got no reply within 14 days (20 April to 17 October 2026). It ranks 1,143 of 3,219 overall. It is not ranked for first-time contributors: this repository does not show a low enough barrier for a first-time contributor.

Key facts
Rank1,143 of 3,219
Score54.10
TierC
Median first reply—
14-day no-reply share28%
First-timer rankThis repository does not show a low enough barrier for a first-time contributor.
EcosystemPython
Window20 April to 17 October 2026

Composite

Rank
1,143 of 3,219
Score
54.10
Tier
C
Coverage
90% · Ceiling A
Quadrant
Sweet Spot

Coordinates: leverage 59.5 (coverage 100%), friction 49.8 (coverage 82%)

Five pillars

Score out of 100, and how much of the pillar was measured
PillarScoreCoverage
Responsiveness56.170%
Criticality79.0100%
Governance50.5100%
Rigor32.9100%
Accessibility35.285%

The measured parameters

Responsiveness

ParameterValueScoreCountWindowSource
Decision Rate (90d)Share of outside pull requests that were merged or closed within 90 days.80.0%100.01019 April to 18 July 2026primaryraw/pr_window/python-jsonschema__jsonschema.json
PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days.27.6%44.82920 April to 17 October 2026primaryraw/pr_window/python-jsonschema__jsonschema.json
First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged.8.3%10.412—primaryraw/author_history/python-jsonschema__jsonschema.json
Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply.Not shown: Insufficient sample size
Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged.293.7 hours (12.2 days)54.85619 April to 16 October 2026primaryraw/pr_window/python-jsonschema__jsonschema.json

Criticality

ParameterValueScoreCountWindowSource
DependentsPackages in the registry that depend on this project, counted once each.2,40697.0——primaryraw/dependents/python-jsonschema__jsonschema.json
Monthly DownloadsDownloads from the package registry in a month.471.1 million downloads a month98.3——primaryraw/downloads/pypi__jsonschema.json
OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals.0.44744.7——primaryraw/github_meta/python-jsonschema__jsonschema.json

Governance

ParameterValueScoreCountWindowSource
Elephant FactorThe fewest organisations that account for half of the last year's commits.125.0146—primaryraw/commits_365d/python-jsonschema__jsonschema.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/python-jsonschema__jsonschema.json
Promotion LadderHow openly a contributor can become a maintainer, from closed to verified.No written path to becoming a maintainer40.0——primaryraw/governance/python-jsonschema__jsonschema.json

Rigor

ParameterValueScoreCountWindowSource
AI Policy PostureWhether the project has a written policy on AI-assisted contributions.No written AI policy40.0——primaryraw/governance/python-jsonschema__jsonschema.json
Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100.5050.0——primaryraw/scorecard/python-jsonschema__jsonschema.json
Substantive Review RateShare of decided pull requests that received a substantive review.2.3%2.88819 April to 16 October 2026primaryraw/pr_window/python-jsonschema__jsonschema.json

Accessibility

ParameterValueScoreCountWindowSource
Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals.20.541720.530—primaryraw/actions_runs/python-jsonschema__jsonschema.json
Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days.33.3%66.76—primaryraw/author_history/python-jsonschema__jsonschema.json
Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers.110.0——primaryraw/gfi/python-jsonschema__jsonschema.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
Balanced1,143 of 3,21954.10CRated
First-timerThis repository does not show a low enough barrier for a first-time contributor.
Career capital456 of 79856.79BRated
Senior systemsFewer than 3 organizations account for most commits (not multi-vendor).
AI-assisted1,913 of 3,69649.62CRated

Integrity

Snapshot
2026-10-17
Raw hash
4aa46c85f566d1460e2c8fc056f2350d1501c0a0ac196a2508d65f6df331fc02

closed_unread

The full record is in data/2026-10-17/repos/72.json, under the key python-jsonschema/jsonschema.

How every number is measured: Porchlamp methodology.

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

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

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