pymc-devs/pymc
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to pymc-devs/pymc got a first human reply in a median of 19.6 hours (73 pull requests, 18 April to 15 October 2026); 48% got none within 14 days. It ranks 704 of 3,219 overall. For first-time contributors it ranks 770 of 1,525 (the bottom 50%).
| Rank | 704 of 3,219 |
|---|---|
| Score | 57.90 |
| Tier | B |
| Median first reply | 19.6 hours |
| 14-day no-reply share | 48% |
| First-timer rank | 770 of 1,525 |
| Ecosystem | Python |
| Window | 18 April to 15 October 2026 |
Composite
- Rank
- 704 of 3,219
- Score
- 57.90
- Tier
- B
- Coverage
- 98% · Full
- Quadrant
- Sweet Spot
Coordinates: leverage 59.7 (coverage 100%), friction 43.2 (coverage 97%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 55.4 | 100% |
| Criticality | 62.8 | 100% |
| Governance | 61.0 | 100% |
| Rigor | 53.6 | 100% |
| Accessibility | 54.0 | 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. | 63.9% | 79.9 | 36 | 18 April to 17 July 2026 | primaryraw/pr_window/pymc-devs__pymc.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 47.6% | 4.8 | 84 | 20 April to 17 October 2026 | primaryraw/pr_window/pymc-devs__pymc.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 29.0% | 36.2 | 38 | — | primaryraw/author_history/pymc-devs__pymc.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 19.6 hours (0.8 days) | 82.4 | 73 | 18 April to 15 October 2026 | primaryraw/pr_window/pymc-devs__pymc.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 605.0 hours (25.2 days) | 28.1 | 36 | 18 April to 15 October 2026 | primaryraw/pr_window/pymc-devs__pymc.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | 92 | 74.2 | — | — | primaryraw/dependents/pymc-devs__pymc.json |
| Monthly DownloadsDownloads from the package registry in a month. | 1.3 million downloads a month | 64.1 | — | — | primaryraw/downloads/pypi__pymc.json |
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.4889 | 48.9 | — | — | primaryraw/github_meta/pymc-devs__pymc.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 | 266 | — | primaryraw/commits_365d/pymc-devs__pymc.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/pymc-devs__pymc.json |
| Promotion LadderHow openly a contributor can become a maintainer, from closed to verified. | A written path to becoming a maintainer | 75.0 | — | — | primaryraw/governance/pymc-devs__pymc.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/pymc-devs__pymc.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 70 | 70.0 | — | — | primaryraw/scorecard/pymc-devs__pymc.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 36.4% | 45.4 | 66 | 18 April to 15 October 2026 | primaryraw/pr_window/pymc-devs__pymc.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 70 | 70.0 | 16 | — | primaryraw/actions_runs/pymc-devs__pymc.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | 10.5% | 21.1 | 19 | — | primaryraw/author_history/pymc-devs__pymc.json |
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 8 | 80.0 | — | — | primaryraw/gfi/pymc-devs__pymc.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 | 704 of 3,219 | 57.90 | B | Rated |
| First-timer | 770 of 1,525 | 56.39 | B | Rated |
| Career capital | 401 of 798 | 58.38 | B | Rated |
| Senior systems | Fewer than 3 organizations account for most commits (not multi-vendor). | |||
| AI-assisted | 927 of 3,696 | 56.97 | B | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- 9b5fd1ec4618250d37f0c8fb3da6029478327b6ad88a226658a93462c5acc27d
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/1d.json, under the key pymc-devs/pymc.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). pymc-devs/pymc. Snapshot 2026-10-17. https://porchlamp.org/projects/pymc-devs/pymc/. CC BY 4.0.
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