google/or-tools
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to google/or-tools got a first human reply in a median of 23.7 hours (25 pull requests, 18 April to 15 October 2026); 42% got none within 14 days. It ranks 2,171 of 3,219 overall. For first-time contributors it ranks 1,090 of 1,525 (the bottom 29%).
| Rank | 2,171 of 3,219 |
|---|---|
| Score | 45.53 |
| Tier | C |
| Median first reply | 23.7 hours |
| 14-day no-reply share | 42% |
| First-timer rank | 1,090 of 1,525 |
| Ecosystem | C and C++ |
| Window | 18 April to 15 October 2026 |
Composite
- Rank
- 2,171 of 3,219
- Score
- 45.53
- Tier
- C
- Coverage
- 100% · Full
- Quadrant
- Nursery
Coordinates: leverage 36.6 (coverage 100%), friction 47.9 (coverage 100%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 65.5 | 100% |
| Criticality | 41.3 | 100% |
| Governance | 29.5 | 100% |
| Rigor | 33.6 | 100% |
| Accessibility | 52.6 | 100% |
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. | 76.5% | 95.6 | 17 | 18 April to 17 July 2026 | primaryraw/pr_window/google__or-tools.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 41.7% | 16.7 | 36 | 20 April to 17 October 2026 | primaryraw/pr_window/google__or-tools.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 60.9% | 76.1 | 23 | — | primaryraw/author_history/google__or-tools.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 23.7 hours (1 days) | 75.4 | 25 | 18 April to 15 October 2026 | primaryraw/pr_window/google__or-tools.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 1139.4 hours (47.5 days) | 12.6 | 23 | 18 April to 15 October 2026 | primaryraw/pr_window/google__or-tools.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. | 0.4129 | 41.3 | — | — | proxy:no_dependents_signalraw/github_meta/google__or-tools.json |
Governance
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Elephant FactorThe fewest organisations that account for half of the last year's commits. | 1 | 25.0 | 170 | — | primaryraw/commits_365d/google__or-tools.json |
| Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA. | Company CLA | 25.0 | — | — | primaryraw/governance/google__or-tools.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/google__or-tools.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/google__or-tools.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 47.5 | 47.5 | — | — | primaryraw/scorecard/google__or-tools.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 7.0% | 8.7 | 43 | 18 April to 15 October 2026 | primaryraw/pr_window/google__or-tools.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 84.1875 | 84.2 | 30 | — | primaryraw/actions_runs/google__or-tools.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | 66.7% | 100.0 | 9 | — | primaryraw/author_history/google__or-tools.json |
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 0 | 0.0 | — | — | primaryraw/gfi/google__or-tools.json |
| Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days. | 16.7% | 33.3 | 6 | — | primaryraw/author_history/google__or-tools.json |
Persona view
| Persona | Rank | Score | Tier | Status |
|---|---|---|---|---|
| Balanced | 2,171 of 3,219 | 45.53 | C | Rated |
| First-timer | 1,090 of 1,525 | 50.63 | C | Rated |
| 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 | 2,812 of 3,696 | 42.81 | C | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- c58f2e22d83af5cb5d1377b201b6dff9ee4b9c4c60b4a7929a52971756085cfe
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/5f.json, under the key google/or-tools.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). google/or-tools. Snapshot 2026-10-17. https://porchlamp.org/projects/google/or-tools/. CC BY 4.0.
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