alicevision/Meshroom
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to alicevision/Meshroom got a first human reply in a median of 41.1 hours (75 pull requests, 18 April to 15 October 2026); 20% got none within 14 days. It ranks 1,016 of 3,219 overall. It is not ranked for first-time contributors: not enough evidence to show under this lens.
| Rank | 1,016 of 3,219 |
|---|---|
| Score | 55.22 |
| Tier | B (capped) |
| Median first reply | 41.1 hours |
| 14-day no-reply share | 20% |
| First-timer rank | Not enough evidence to show under this lens. |
| Ecosystem | Python |
| Window | 18 April to 15 October 2026 |
Composite
- Rank
- 1,016 of 3,219
- Score
- 55.22
- Tier
- B (capped)
- Coverage
- 71% · Ceiling B
- Quadrant
- Sweet Spot
Coordinates: leverage 57.8 (coverage 68%), friction 43.5 (coverage 80%)
Capped: this tier can go no higher until more of the project's inputs are measured. It reflects how much data there is, not how good the score is.
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 69.0 | 80% |
| Criticality | 47.5 | 35% |
| Governance | 59.3 | 100% |
| Rigor | 73.9 | 100% |
| Accessibility | 21.0 | 50% |
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. | 97.1% | 100.0 | 35 | 18 April to 17 July 2026 | primaryraw/pr_window/alicevision__Meshroom.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 20.0% | 60.0 | 80 | 20 April to 17 October 2026 | primaryraw/pr_window/alicevision__Meshroom.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. | 41.1 hours (1.7 days) | 55.6 | 75 | 18 April to 15 October 2026 | primaryraw/pr_window/alicevision__Meshroom.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 383.0 hours (16 days) | 45.1 | 66 | 18 April to 15 October 2026 | primaryraw/pr_window/alicevision__Meshroom.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | Not shown: Third-party data unavailable | ||||
| Monthly DownloadsDownloads from the package registry in a month. | Not shown: Third-party data unavailable | ||||
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.4754 | 47.5 | — | — | proxy:no_dependents_signalraw/github_meta/alicevision__Meshroom.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 | 806 | — | primaryraw/commits_365d/alicevision__Meshroom.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/alicevision__Meshroom.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/alicevision__Meshroom.json |
Rigor
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| AI Policy PostureWhether the project has a written policy on AI-assisted contributions. | Written AI policy | 95.0 | — | — | primaryraw/governance/alicevision__Meshroom.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 95.2 | 95.2 | 75 | — | proxy:review_ciraw/pr_window/alicevision__Meshroom.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 19.5% | 24.4 | 77 | 18 April to 15 October 2026 | primaryraw/pr_window/alicevision__Meshroom.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 70 | 70.0 | 30 | — | primaryraw/actions_runs/alicevision__Meshroom.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | Not shown: Insufficient sample size | ||||
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 0 | 0.0 | — | — | primaryraw/gfi/alicevision__Meshroom.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 | 1,016 of 3,219 | 55.22 | B (capped) | Rated |
| First-timer | Not enough evidence to show under this lens. | |||
| 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 | 620 of 3,696 | 60.15 | B (capped) | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- 23dbcd0959f6a7d139324659d9ca8ea6adeb17cca9c66310633f5e01b663d3bf
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/f9.json, under the key alicevision/Meshroom.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). alicevision/Meshroom. Snapshot 2026-10-17. https://porchlamp.org/projects/alicevision/meshroom/. CC BY 4.0.
Similar projects
The ranked projects nearest this one in the same ecosystem.
- OpenDCAI/DataFlow (rank 1,003)
- SwanHubX/SwanLab (rank 1,004)
- fastapi/typer (rank 1,006)
- Mailu/Mailu (rank 1,024)
- StarTrail-org/LEANN (rank 1,027)