osm-search/Nominatim
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to osm-search/Nominatim got a first human reply in a median of 15.2 hours (30 pull requests, 19 April to 16 October 2026); 3% got none within 14 days. It ranks 1,329 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 | 1,329 of 3,219 |
|---|---|
| Score | 52.65 |
| Tier | C |
| Median first reply | 15.2 hours |
| 14-day no-reply share | 3% |
| First-timer rank | This repository does not show a low enough barrier for a first-time contributor. |
| Ecosystem | Python |
| Window | 19 April to 16 October 2026 |
Composite
- Rank
- 1,329 of 3,219
- Score
- 52.65
- Tier
- C
- Coverage
- 100% · Full
- Quadrant
- Nursery
Coordinates: leverage 42.0 (coverage 100%), friction 34.4 (coverage 100%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 79.6 | 100% |
| Criticality | 25.8 | 100% |
| Governance | 61.0 | 100% |
| Rigor | 56.3 | 100% |
| Accessibility | 37.7 | 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. | 100.0% | 100.0 | 10 | 19 April to 18 July 2026 | primaryraw/pr_window/osm-search__Nominatim.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 3.2% | 93.5 | 31 | 20 April to 17 October 2026 | primaryraw/pr_window/osm-search__Nominatim.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 39.4% | 49.2 | 33 | — | primaryraw/author_history/osm-search__Nominatim.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 15.2 hours (0.6 days) | 91.5 | 30 | 19 April to 16 October 2026 | primaryraw/pr_window/osm-search__Nominatim.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 514.9 hours (21.5 days) | 33.0 | 21 | 19 April to 16 October 2026 | primaryraw/pr_window/osm-search__Nominatim.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | 0 | 15.9 | — | — | primaryraw/dependents/osm-search__Nominatim.json |
| Monthly DownloadsDownloads from the package registry in a month. | 2,880 downloads a month | 19.8 | — | — | primaryraw/downloads/pypi__Nominatim.json |
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.413 | 41.3 | — | — | primaryraw/github_meta/osm-search__Nominatim.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 | 548 | — | primaryraw/commits_365d/osm-search__Nominatim.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/osm-search__Nominatim.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/osm-search__Nominatim.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/osm-search__Nominatim.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 62.5 | 62.5 | — | — | primaryraw/scorecard/osm-search__Nominatim.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 51.4% | 64.3 | 35 | 19 April to 16 October 2026 | primaryraw/pr_window/osm-search__Nominatim.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 20 | 20.0 | 30 | — | primaryraw/actions_runs/osm-search__Nominatim.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | 35.3% | 70.6 | 17 | — | primaryraw/author_history/osm-search__Nominatim.json |
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 0 | 0.0 | — | — | primaryraw/gfi/osm-search__Nominatim.json |
| Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days. | 33.3% | 66.7 | 6 | — | primaryraw/author_history/osm-search__Nominatim.json |
Persona view
| Persona | Rank | Score | Tier | Status |
|---|---|---|---|---|
| Balanced | 1,329 of 3,219 | 52.65 | 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 | 1,348 of 3,696 | 53.70 | C | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- 0bc5ae26ec72da864c1070d2f7311a3139d7a2894a3e77fa4ad4d2475d4de85e
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/27.json, under the key osm-search/Nominatim.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). osm-search/Nominatim. Snapshot 2026-10-17. https://porchlamp.org/projects/osm-search/nominatim/. CC BY 4.0.
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