scikit-image/scikit-image
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to scikit-image/scikit-image got a first human reply in a median of 41.7 hours (79 pull requests, 19 April to 16 October 2026); 42% got none within 14 days. It ranks 859 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.
| Rank | 859 of 3,219 |
|---|---|
| Score | 56.50 |
| Tier | B |
| Median first reply | 41.7 hours |
| 14-day no-reply share | 42% |
| First-timer rank | This repository does not show a low enough barrier for a first-time contributor. |
| Ecosystem | Python |
| Window | 19 April to 16 October 2026 |
Composite
- Rank
- 859 of 3,219
- Score
- 56.50
- Tier
- B
- Coverage
- 98% · Full
- Quadrant
- Sweet Spot
Coordinates: leverage 66.3 (coverage 100%), friction 50.0 (coverage 97%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 45.5 | 100% |
| Criticality | 77.2 | 100% |
| Governance | 68.0 | 100% |
| Rigor | 47.0 | 100% |
| Accessibility | 34.3 | 85% |
The measured parameters
Responsiveness
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Decision Rate (90d)Share of outside pull requests that were merged or closed within 90 days. | 53.5% | 66.8 | 58 | 19 April to 18 July 2026 | primaryraw/pr_window/scikit-image__scikit-image.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 42.1% | 15.9 | 107 | 20 April to 17 October 2026 | primaryraw/pr_window/scikit-image__scikit-image.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 28.6% | 35.7 | 7 | — | primaryraw/author_history/scikit-image__scikit-image.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 41.7 hours (1.7 days) | 55.1 | 79 | 19 April to 16 October 2026 | primaryraw/pr_window/scikit-image__scikit-image.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 605.6 hours (25.2 days) | 27.9 | 50 | 19 April to 16 October 2026 | primaryraw/pr_window/scikit-image__scikit-image.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | 2,091 | 95.9 | — | — | primaryraw/dependents/scikit-image__scikit-image.json |
| Monthly DownloadsDownloads from the package registry in a month. | 24.7 million downloads a month | 85.1 | — | — | primaryraw/downloads/pypi__scikit-image.json |
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.5024 | 50.2 | — | — | primaryraw/github_meta/scikit-image__scikit-image.json |
Governance
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Elephant FactorThe fewest organisations that account for half of the last year's commits. | 3 | 75.0 | 258 | — | primaryraw/commits_365d/scikit-image__scikit-image.json |
| Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA. | No CLA or sign-off found | 85.0 | — | — | primaryraw/governance/scikit-image__scikit-image.json |
| Promotion LadderHow openly a contributor can become a maintainer, from closed to verified. | No written path to becoming a maintainer | 40.0 | — | — | primaryraw/governance/scikit-image__scikit-image.json |
Rigor
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| AI Policy PostureWhether the project has a written policy on AI-assisted contributions. | No written AI policy | 40.0 | — | — | primaryraw/governance/scikit-image__scikit-image.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 45 | 45.0 | — | — | primaryraw/scorecard/scikit-image__scikit-image.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 45.5% | 56.8 | 66 | 19 April to 16 October 2026 | primaryraw/pr_window/scikit-image__scikit-image.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 70 | 70.0 | 7 | — | primaryraw/actions_runs/scikit-image__scikit-image.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | 16.7% | 33.3 | 12 | — | primaryraw/author_history/scikit-image__scikit-image.json |
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 2 | 20.0 | — | — | primaryraw/gfi/scikit-image__scikit-image.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
| Persona | Rank | Score | Tier | Status |
|---|---|---|---|---|
| Balanced | 859 of 3,219 | 56.50 | B | Rated |
| First-timer | This repository does not show a low enough barrier for a first-time contributor. | |||
| Career capital | 417 of 798 | 57.91 | B | Rated |
| Senior systems | 325 of 1,276 | 61.99 | B | Rated |
| AI-assisted | 1,225 of 3,696 | 54.65 | C | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- fbeb77ac83666844a87635ce6446879e58d1b08278d89b8868d7275bded25b1c
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/47.json, under the key scikit-image/scikit-image.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). scikit-image/scikit-image. Snapshot 2026-10-17. https://porchlamp.org/projects/scikit-image/scikit-image/. CC BY 4.0.
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