hathach/tinyusb
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to hathach/tinyusb got a first human reply in a median of 20.9 hours (83 pull requests, 19 April to 16 October 2026); 29% got none within 14 days. It ranks 1,408 of 3,219 overall. For first-time contributors it ranks 1,233 of 1,525 (the bottom 20%).
| Rank | 1,408 of 3,219 |
|---|---|
| Score | 51.99 |
| Tier | C |
| Median first reply | 20.9 hours |
| 14-day no-reply share | 29% |
| First-timer rank | 1,233 of 1,525 |
| Ecosystem | C and C++ |
| Window | 19 April to 16 October 2026 |
Composite
- Rank
- 1,408 of 3,219
- Score
- 51.99
- Tier
- C
- Coverage
- 93% · Ceiling A
- Quadrant
- Sweet Spot
Coordinates: leverage 53.7 (coverage 100%), friction 45.3 (coverage 90%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 71.3 | 100% |
| Criticality | 49.8 | 100% |
| Governance | 55.8 | 100% |
| Rigor | 59.0 | 100% |
| Accessibility | 11.5 | 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. | 84.6% | 100.0 | 52 | 19 April to 18 July 2026 | primaryraw/pr_window/hathach__tinyusb.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 28.7% | 42.6 | 94 | 20 April to 17 October 2026 | primaryraw/pr_window/hathach__tinyusb.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 55.9% | 69.8 | 34 | — | primaryraw/author_history/hathach__tinyusb.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 20.9 hours (0.9 days) | 80.0 | 83 | 19 April to 16 October 2026 | primaryraw/pr_window/hathach__tinyusb.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 917.6 hours (38.2 days) | 19.5 | 65 | 19 April to 16 October 2026 | primaryraw/pr_window/hathach__tinyusb.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | Not shown: Not applicable | ||||
| 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. | 0.4978 | 49.8 | — | — | proxy:no_dependents_signalraw/github_meta/hathach__tinyusb.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 | 988 | — | primaryraw/commits_365d/hathach__tinyusb.json |
| Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA. | Sign-off on commits (DCO) | 100.0 | — | — | primaryraw/governance/hathach__tinyusb.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/hathach__tinyusb.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/hathach__tinyusb.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 65 | 65.0 | — | — | primaryraw/scorecard/hathach__tinyusb.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 12.0% | 14.9 | 92 | 19 April to 16 October 2026 | primaryraw/pr_window/hathach__tinyusb.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 38.3333 | 38.3 | 17 | — | primaryraw/actions_runs/hathach__tinyusb.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | Not shown: Collector failure | ||||
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 0 | 0.0 | — | — | primaryraw/gfi/hathach__tinyusb.json |
| Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days. | Not shown: Collector failure | ||||
Persona view
| Persona | Rank | Score | Tier | Status |
|---|---|---|---|---|
| Balanced | 1,408 of 3,219 | 51.99 | C | Rated |
| First-timer | 1,233 of 1,525 | 47.64 | C | Rated |
| 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 | 1,269 of 3,696 | 54.37 | C | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- a9b876aed8fbcefd81af1c6d46f0212d2e8c7f4dc434779ee89ff06585d87ac8
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/87.json, under the key hathach/tinyusb.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). hathach/tinyusb. Snapshot 2026-10-17. https://porchlamp.org/projects/hathach/tinyusb/. CC BY 4.0.
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