apache/tomcat
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to apache/tomcat got a first human reply in a median of 40.5 hours (38 pull requests, 18 April to 15 October 2026); 22% got none within 14 days. It ranks 1,525 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 | 1,525 of 3,219 |
|---|---|
| Score | 51.16 |
| Tier | C |
| Median first reply | 40.5 hours |
| 14-day no-reply share | 22% |
| First-timer rank | This repository does not show a low enough barrier for a first-time contributor. |
| Ecosystem | Java |
| Window | 18 April to 15 October 2026 |
Composite
- Rank
- 1,525 of 3,219
- Score
- 51.16
- Tier
- C
- Coverage
- 87% · Ceiling A
- Quadrant
- Nursery
Coordinates: leverage 46.8 (coverage 73%), friction 44.6 (coverage 100%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 63.5 | 100% |
| Criticality | 42.1 | 47% |
| Governance | 47.0 | 100% |
| Rigor | 54.5 | 100% |
| Accessibility | 47.9 | 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. | 81.8% | 100.0 | 11 | 18 April to 17 July 2026 | primaryraw/pr_window/apache__tomcat.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 22.0% | 56.0 | 50 | 20 April to 17 October 2026 | primaryraw/pr_window/apache__tomcat.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 38.1% | 47.6 | 21 | — | primaryraw/author_history/apache__tomcat.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 40.5 hours (1.7 days) | 56.1 | 38 | 18 April to 15 October 2026 | primaryraw/pr_window/apache__tomcat.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 454.2 hours (18.9 days) | 37.4 | 30 | 18 April to 15 October 2026 | primaryraw/pr_window/apache__tomcat.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: Not applicable | ||||
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.4211 | 42.1 | — | — | proxy:no_dependents_signalraw/github_meta/apache__tomcat.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 | 997 | — | primaryraw/commits_365d/apache__tomcat.json |
| Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA. | Foundation CLA | 75.0 | — | — | primaryraw/governance/apache__tomcat.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/apache__tomcat.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/apache__tomcat.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 57.5 | 57.5 | — | — | primaryraw/scorecard/apache__tomcat.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 7.9% | 9.9 | 63 | 18 April to 15 October 2026 | primaryraw/pr_window/apache__tomcat.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 100 | 100.0 | 15 | — | primaryraw/actions_runs/apache__tomcat.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | 38.5% | 76.9 | 13 | — | primaryraw/author_history/apache__tomcat.json |
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 0 | 0.0 | — | — | primaryraw/gfi/apache__tomcat.json |
| Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days. | 20.0% | 40.0 | 5 | — | primaryraw/author_history/apache__tomcat.json |
Persona view
| Persona | Rank | Score | Tier | Status |
|---|---|---|---|---|
| Balanced | 1,525 of 3,219 | 51.16 | 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 | 1,587 of 3,696 | 52.03 | C | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- 72deaa71559d96029da1f8e73cb02ecf603e5a6a6e1ff6a4190b7e45940955ad
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/91.json, under the key apache/tomcat.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). apache/tomcat. Snapshot 2026-10-17. https://porchlamp.org/projects/apache/tomcat/. CC BY 4.0.
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