rohitg00/ai-engineering-from-scratch
First human reply
58.4 days
typical wait for an outside pull request, from 71 measured.
What happens to a stranger's pull request here, in the Porchlamp snapshot of 5 November 2026.
Outside pull requests to rohitg00/ai-engineering-from-scratch got a first human reply in a median of 58.4 days (71 pull requests, 21 April to 18 October 2026); 72% got none within 14 days. It ranks 3,585 of 4,044 overall. It is not ranked for first-time contributors: this repository does not show a low enough barrier for a first-time contributor.
| Rank | 3,585 of 4,044 |
|---|---|
| Score | 41.71 |
| Tier | C |
| Median first reply | 58.4 days (1400.5 hours) |
| 14-day no-reply share | 72% |
| First-timer rank | This repository does not show a low enough barrier for a first-time contributor. |
| Ecosystem | Python |
| Window | 21 April to 18 October 2026 |
Composite
- Rank
- 3,585 of 4,044
- Score
- 41.71
- Tier
- C
- Coverage
- 82% · Ceiling A
- Quadrant
- Crucible
Coordinates: leverage 50.3 (coverage 68%), friction 66.3 (coverage 97%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 19.1 | 100% |
| Criticality | 46.1 | 35% |
| Governance | 50.5 | 100% |
| Rigor | 57.0 | 100% |
| Accessibility | 45.1 | 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. | 48.8% | 61.0 | 82 | 21 April to 20 July 2026 | primaryraw/pr_window/rohitg00__ai-engineering-from-scratch.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 72.3% | 0.0 | 141 | 27 April to 24 October 2026 | primaryraw/pr_window/rohitg00__ai-engineering-from-scratch.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 12.5% | 15.6 | 40 | — | primaryraw/author_history/rohitg00__ai-engineering-from-scratch.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 1400.5 hours (58.4 days) | 0.0 | 71 | 21 April to 18 October 2026 | primaryraw/pr_window/rohitg00__ai-engineering-from-scratch.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 1435.9 hours (59.8 days) | 7.3 | 36 | 21 April to 18 October 2026 | primaryraw/pr_window/rohitg00__ai-engineering-from-scratch.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: Third-party data unavailable | ||||
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.461 | 46.1 | — | — | proxy:no_dependents_signalraw/github_meta/rohitg00__ai-engineering-from-scratch.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 | 2,436 | — | primaryraw/commits_365d/rohitg00__ai-engineering-from-scratch.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/rohitg00__ai-engineering-from-scratch.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/rohitg00__ai-engineering-from-scratch.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/rohitg00__ai-engineering-from-scratch.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 38.0896 | 38.1 | 238 | — | proxy:review_ciraw/pr_window/rohitg00__ai-engineering-from-scratch.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 35.3% | 44.2 | 116 | 21 April to 18 October 2026 | primaryraw/pr_window/rohitg00__ai-engineering-from-scratch.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 100 | 100.0 | 30 | — | primaryraw/actions_runs/rohitg00__ai-engineering-from-scratch.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | 33.3% | 66.7 | 6 | — | primaryraw/author_history/rohitg00__ai-engineering-from-scratch.json |
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 0 | 0.0 | — | — | primaryraw/gfi/rohitg00__ai-engineering-from-scratch.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 | 3,585 of 4,044 | 41.71 | 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 | 3,381 of 4,002 | 45.07 | C | Rated |
Integrity
- Snapshot
- 2026-11-05
- Raw hash
- 66f54a176cdeb75a0e20ead9c202210e6ed8e6094b52ac5fd49d5d62eec766fc
closed_unread
The full record is in data/2026-11-05/repos/9b.json, under the key rohitg00/ai-engineering-from-scratch.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). rohitg00/ai-engineering-from-scratch. Snapshot 2026-11-05. https://porchlamp.org/projects/rohitg00/ai-engineering-from-scratch/. CC BY 4.0.
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