zmkfirmware/zmk
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to zmkfirmware/zmk got a first human reply in a median of 35.4 hours (83 pull requests, 20 April to 17 October 2026); 42% got none within 14 days. It ranks 1,168 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 | 1,168 of 3,219 |
|---|---|
| Score | 53.89 |
| Tier | C |
| Median first reply | 35.4 hours |
| 14-day no-reply share | 42% |
| First-timer rank | This repository does not show a low enough barrier for a first-time contributor. |
| Ecosystem | C and C++ |
| Window | 20 April to 17 October 2026 |
Composite
- Rank
- 1,168 of 3,219
- Score
- 53.89
- Tier
- C
- Coverage
- 98% · Full
- Quadrant
- Sweet Spot
Coordinates: leverage 55.5 (coverage 100%), friction 43.1 (coverage 97%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 50.4 | 100% |
| Criticality | 45.7 | 100% |
| Governance | 82.0 | 100% |
| Rigor | 54.2 | 100% |
| Accessibility | 35.6 | 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. | 56.1% | 70.1 | 41 | 20 April to 19 July 2026 | primaryraw/pr_window/zmkfirmware__zmk.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 41.8% | 16.4 | 55 | 20 April to 17 October 2026 | primaryraw/pr_window/zmkfirmware__zmk.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 34.8% | 43.5 | 23 | — | primaryraw/author_history/zmkfirmware__zmk.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 35.4 hours (1.5 days) | 60.9 | 83 | 20 April to 17 October 2026 | primaryraw/pr_window/zmkfirmware__zmk.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 563.2 hours (23.5 days) | 34.2 | 67 | 20 April to 17 October 2026 | primaryraw/pr_window/zmkfirmware__zmk.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. | 0.4569 | 45.7 | — | — | proxy:no_dependents_signalraw/github_meta/zmkfirmware__zmk.json |
Governance
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Elephant FactorThe fewest organisations that account for half of the last year's commits. | 5 | 100.0 | 100 | — | primaryraw/commits_365d/zmkfirmware__zmk.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/zmkfirmware__zmk.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/zmkfirmware__zmk.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/zmkfirmware__zmk.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 95.5423 | 95.5 | 67 | — | proxy:review_ciraw/pr_window/zmkfirmware__zmk.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 10.7% | 13.4 | 112 | 20 April to 17 October 2026 | primaryraw/pr_window/zmkfirmware__zmk.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/zmkfirmware__zmk.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | 25.0% | 50.0 | 12 | — | primaryraw/author_history/zmkfirmware__zmk.json |
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 0 | 0.0 | — | — | primaryraw/gfi/zmkfirmware__zmk.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 | 1,168 of 3,219 | 53.89 | 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 | 529 of 1,276 | 56.68 | B | Rated |
| AI-assisted | 1,308 of 3,696 | 54.06 | C | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- d5c6c86c7943c2cf30726c4b13ce7706c220007088094172cce3fe70f2848762
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/c1.json, under the key zmkfirmware/zmk.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). zmkfirmware/zmk. Snapshot 2026-10-17. https://porchlamp.org/projects/zmkfirmware/zmk/. CC BY 4.0.
Similar projects
The ranked projects nearest this one in the same ecosystem.
- LongSoft/UEFITool (rank 1,149)
- RsyncProject/rsync (rank 1,170)
- apache/age (rank 1,174)
- microsoft/msquic (rank 1,185)
- 78/xiaozhi-esp32 (rank 1,189)