fastapi/typer
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to fastapi/typer got a first human reply in a median of 15.5 hours (45 pull requests, 10 April to 7 October 2026); 40% got none within 14 days. It ranks 1,006 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 | 1,006 of 3,219 |
|---|---|
| Score | 55.28 |
| Tier | B |
| Median first reply | 15.5 hours |
| 14-day no-reply share | 40% |
| First-timer rank | This repository does not show a low enough barrier for a first-time contributor. |
| Ecosystem | Python |
| Window | 10 April to 7 October 2026 |
Composite
- Rank
- 1,006 of 3,219
- Score
- 55.28
- Tier
- B
- Coverage
- 98% · Full
- Quadrant
- Sweet Spot
Coordinates: leverage 62.9 (coverage 100%), friction 49.2 (coverage 97%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 63.5 | 100% |
| Criticality | 80.6 | 100% |
| Governance | 50.5 | 100% |
| Rigor | 41.8 | 100% |
| Accessibility | 19.3 | 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. | 75.0% | 93.8 | 28 | 10 April to 9 July 2026 | primaryraw/pr_window/fastapi__typer.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 40.5% | 19.0 | 42 | 20 April to 17 October 2026 | primaryraw/pr_window/fastapi__typer.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 10.7% | 13.4 | 28 | — | primaryraw/author_history/fastapi__typer.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 15.5 hours (0.6 days) | 90.9 | 45 | 10 April to 7 October 2026 | primaryraw/pr_window/fastapi__typer.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 158.6 hours (6.6 days) | 72.5 | 70 | 10 April to 7 October 2026 | primaryraw/pr_window/fastapi__typer.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | 2,391 | 96.8 | — | — | primaryraw/dependents/fastapi__typer.json |
| Monthly DownloadsDownloads from the package registry in a month. | 243.8 million downloads a month | 97.0 | — | — | primaryraw/downloads/pypi__typer.json |
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.5024 | 50.2 | — | — | primaryraw/github_meta/fastapi__typer.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 | 181 | — | primaryraw/commits_365d/fastapi__typer.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/fastapi__typer.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/fastapi__typer.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/fastapi__typer.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 50.9091 | 50.9 | 143 | — | proxy:review_ciraw/pr_window/fastapi__typer.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 25.2% | 31.5 | 127 | 10 April to 7 October 2026 | primaryraw/pr_window/fastapi__typer.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 85 | 85.0 | 17 | — | primaryraw/actions_runs/fastapi__typer.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | 5.3% | 10.5 | 19 | — | primaryraw/author_history/fastapi__typer.json |
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 0 | 0.0 | — | — | primaryraw/gfi/fastapi__typer.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 | 1,006 of 3,219 | 55.28 | B | Rated |
| First-timer | This repository does not show a low enough barrier for a first-time contributor. | |||
| Career capital | 468 of 798 | 56.52 | B | Rated |
| Senior systems | Fewer than 3 organizations account for most commits (not multi-vendor). | |||
| AI-assisted | 1,458 of 3,696 | 52.95 | C | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- fceabb4b5442222155ab5676334a777aea43064f2b4a46548397ccd45e8d037d
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/ac.json, under the key fastapi/typer.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). fastapi/typer. Snapshot 2026-10-17. https://porchlamp.org/projects/fastapi/typer/. CC BY 4.0.
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