facebook/prophet
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
For facebook/prophet, the reply time and the share with no reply within 14 days both have too small a sample to measure (0 and 9 pull requests counted; 10 needed). It ranks 1,792 of 3,219 overall. For first-time contributors it ranks 1,338 of 1,525 (the bottom 13%).
| Rank | 1,792 of 3,219 |
|---|---|
| Score | 48.93 |
| Tier | C |
| Median first reply | — |
| 14-day no-reply share | — |
| First-timer rank | 1,338 of 1,525 |
| Ecosystem | Python |
| Window | — |
Composite
- Rank
- 1,792 of 3,219
- Score
- 48.93
- Tier
- C
- Coverage
- 75% · Ceiling B
- Quadrant
- Crucible
Coordinates: leverage 52.7 (coverage 100%), friction 52.7 (coverage 55%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 56.3 | 30% |
| Criticality | 63.1 | 100% |
| Governance | 47.0 | 100% |
| Rigor | 39.2 | 100% |
| Accessibility | 25.5 | 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. | Not shown: Insufficient sample size | ||||
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | Not shown: Insufficient sample size | ||||
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 66.7% | 83.3 | 9 | — | primaryraw/author_history/facebook__prophet.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. | 1866.8 hours (77.8 days) | 2.1 | 10 | 10 April to 7 October 2026 | primaryraw/pr_window/facebook__prophet.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | 81 | 72.9 | — | — | primaryraw/dependents/facebook__prophet.json |
| Monthly DownloadsDownloads from the package registry in a month. | 4.0 million downloads a month | 72.7 | — | — | primaryraw/downloads/pypi__prophet.json |
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.4494 | 44.9 | — | — | primaryraw/github_meta/facebook__prophet.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 | 32 | — | primaryraw/commits_365d/facebook__prophet.json |
| Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA. | Company CLA | 25.0 | — | — | primaryraw/governance/facebook__prophet.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/facebook__prophet.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/facebook__prophet.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 62.5 | 62.5 | — | — | primaryraw/scorecard/facebook__prophet.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 5.9% | 7.3 | 17 | 10 April to 7 October 2026 | primaryraw/pr_window/facebook__prophet.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 85 | 85.0 | 30 | — | primaryraw/actions_runs/facebook__prophet.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/facebook__prophet.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 | 1,792 of 3,219 | 48.93 | C | Rated |
| First-timer | 1,338 of 1,525 | 44.62 | C | Rated |
| Career capital | 674 of 798 | 49.39 | C | Rated |
| Senior systems | 768 of 1,276 | 51.37 | C | Rated |
| AI-assisted | 2,281 of 3,696 | 47.18 | C | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- dfbd2b38e51d096c71265340e8248b55cb2a86f6296c7edca32746fe6e1a4ea2
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/03.json, under the key facebook/prophet.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). facebook/prophet. Snapshot 2026-10-17. https://porchlamp.org/projects/facebook/prophet/. CC BY 4.0.
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