CGAL/cgal
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to CGAL/cgal got a first human reply in a median of 2 days (44 pull requests, 19 April to 16 October 2026); 16% got none within 14 days. It ranks 1,868 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 | 1,868 of 3,219 |
|---|---|
| Score | 48.25 |
| Tier | C |
| Median first reply | 2 days (48.4 hours) |
| 14-day no-reply share | 16% |
| First-timer rank | This repository does not show a low enough barrier for a first-time contributor. |
| Ecosystem | C and C++ |
| Window | 19 April to 16 October 2026 |
Composite
- Rank
- 1,868 of 3,219
- Score
- 48.25
- Tier
- C
- Coverage
- 98% · Full
- Quadrant
- Crucible
Coordinates: leverage 52.3 (coverage 100%), friction 51.5 (coverage 97%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 54.8 | 100% |
| Criticality | 51.9 | 100% |
| Governance | 59.3 | 100% |
| Rigor | 48.4 | 100% |
| Accessibility | 16.5 | 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. | 70.6% | 88.2 | 17 | 19 April to 18 July 2026 | primaryraw/pr_window/CGAL__cgal.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 16.3% | 67.3 | 49 | 20 April to 17 October 2026 | primaryraw/pr_window/CGAL__cgal.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 25.0% | 31.3 | 8 | — | primaryraw/author_history/CGAL__cgal.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 48.4 hours (2 days) | 49.7 | 44 | 19 April to 16 October 2026 | primaryraw/pr_window/CGAL__cgal.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 1056.8 hours (44 days) | 14.4 | 42 | 19 April to 16 October 2026 | primaryraw/pr_window/CGAL__cgal.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| 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. | 0.5193 | 51.9 | — | — | proxy:no_dependents_signalraw/github_meta/CGAL__cgal.json |
Governance
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Elephant FactorThe fewest organisations that account for half of the last year's commits. | 2 | 50.0 | 983 | — | primaryraw/commits_365d/CGAL__cgal.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/CGAL__cgal.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/CGAL__cgal.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/CGAL__cgal.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 65 | 65.0 | — | — | primaryraw/scorecard/CGAL__cgal.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 27.7% | 34.6 | 47 | 19 April to 16 October 2026 | primaryraw/pr_window/CGAL__cgal.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 35 | 35.0 | 19 | — | primaryraw/actions_runs/CGAL__cgal.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | 12.5% | 25.0 | 16 | — | primaryraw/author_history/CGAL__cgal.json |
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 0 | 0.0 | — | — | primaryraw/gfi/CGAL__cgal.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 | 1,868 of 3,219 | 48.25 | C | Rated |
| First-timer | This repository does not show a low enough barrier for a first-time contributor. | |||
| Career capital | This repository's production-criticality signal is not yet high enough for career-capital ranking. | |||
| Senior systems | Fewer than 3 organizations account for most commits (not multi-vendor). | |||
| AI-assisted | 2,043 of 3,696 | 48.80 | C | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- 921bf51ec1e65cedb127d7e96f5f1da7c2f2e7c7d25e0a21693a5863010d17ca
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/be.json, under the key CGAL/cgal.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). CGAL/cgal. Snapshot 2026-10-17. https://porchlamp.org/projects/cgal/cgal/. CC BY 4.0.
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