# apache/airflow — health index 93/100 (Excellent)

> Inspection of the public repository apache/airflow by inspect.software. It holds a health index of 93 out of 100, placing it in the Excellent band. The index is a signal derived from publicly visible practice, not a warranty, a security audit, or an endorsement, and it is independent of payment.

- Repository: https://github.com/apache/airflow
- Report page: https://inspect.software/software/apache/airflow
- Full JSON report: https://inspect.software/api/repositories/apache/airflow/report
- Badge: https://raw.githubusercontent.com/inspect-software/badges/main/v1/a/apache/airflow.svg
- Inspected: 2026-07-21
- Methodology: metrics 1.13.0, report schema 0.16.0 (https://inspect.software/methodology.md)

## Category summary

| Category | Weight | Index | Band |
|---|---|---|---|
| Vitality | 22% | 99/100 | Excellent |
| Community & Adoption | 18% | 97/100 | Excellent |
| Sustainability & Governance | 24% | 91/100 | Excellent |
| Engineering Quality | 20% | 96/100 | Excellent |
| Security | 16% | 80/100 | Good |
| AI Readiness | not counted | 81/100 | Good |

## Repository facts

| Field | Value |
|---|---|
| Description | Apache Airflow - A platform to programmatically author, schedule, and monitor workflows |
| Homepage | https://airflow.apache.org/ |
| Primary language | Python |
| License | Apache-2.0 |
| Stars | 46,191 |
| Forks | 17,407 |
| Created | 2015-04-13 |
| Last push | 2026-07-20 |
| Latest release | java-sdk/1.0.0-beta1 |
| Commits (last year) | 7,914 |
| Bus factor | 11 |
| Topics | airflow, apache, apache-airflow, python, scheduler, workflow, automation, dag, data-engineering, data-integration, data-orchestrator, data-pipelines, data-science, elt, etl, machine-learning, mlops, orchestration, workflow-engine, workflow-orchestration |

## Published packages

| Registry | Package | Latest | Monthly downloads |
|---|---|---|---|
| pypi | apache-airflow | 3.3.0 | 21,694,170 |
| go | github.com/apache/airflow/go-sdk | v1.0.0-beta3 | — |
| npm | @apache-airflow/ts-sdk | 0.3.5 | 97 |
| pypi | apache-airflow-task-sdk | 1.3.0 | 7,197,530 |

## Vitality — 99/100 (Excellent)

Is the project alive — is code being written and are releases shipping? Weight: 22% of the overall index.

### Development activity — 100/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Push recency | met | 36 / 36 | last push 0 days ago |
| Commit cadence | met | 36 / 36 | 52/52 weeks with commits |
| Commit volume | met | 18 / 18 | 7914 commits in the last year |
| OpenSSF Scorecard: Maintained | met | 10 / 10 | 30 commit(s) and 15 issue activity found in the last 90 days -- score normalized to 10 |

### Release discipline — 98/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Ships releases | met | 27 / 27 | 100 releases published |
| Release recency | met | 36 / 36 | latest release 7 days ago |
| Release cadence | met | 27 / 27 | a release every ~12.9 days |
| OpenSSF Scorecard: Signed-Releases | partial | 8 / 10 | 4 out of the last 4 releases have a total of 4 signed artifacts. |

### Abandonment — 100/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Project is still maintained | met | 100 / 100 | maintenance record not established from the collected data |

## Community & Adoption — 97/100 (Excellent)

Does the project have users, downloads, attention, and a welcoming setup for contributors? Weight: 18% of the overall index.

### Popularity & adoption — 100/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Stars | met | 60 / 60 | 46,191 stars |
| Forks | met | 25 / 25 | 17,407 forks |
| Watchers | met | 15 / 15 | 781 watchers |

### Community health — 92/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| README | met | 22.5 / 22.5 | — |
| License | met | 22.5 / 22.5 | recognized license (Apache-2.0) |
| CONTRIBUTING guide | met | 18 / 18 | — |
| Code of conduct | met | 13.5 / 13.5 | — |
| Issue template | not met | 0 / 7.2 | — |
| PR template | met | 6.3 / 6.3 | — |

### Ecosystem adoption (downloads) — 100/100 (Excellent)

Excluded from scoring (no data or not applicable): Registry dependents. Remaining weights renormalized.

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Monthly downloads | met | 80 / 80 | 28,891,797 downloads/month across go, npm, pypi |
| Registry dependents | excluded | 0 / 20 | not reported by this ecosystem |

## Sustainability & Governance — 91/100 (Excellent)

Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep? Weight: 24% of the overall index.

### Maintainer resilience (bus factor) — 96/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Bus factor | met | 54 / 54 | 11 contributor(s) cover half of all commits |
| Commit distribution | partial | 18.6 / 22.5 | top contributor authored 17% of commits |
| Contributor breadth | met | 13.5 / 13.5 | 100 contributors |
| OpenSSF Scorecard: Contributors | met | 10 / 10 | project has 39 contributing companies or organizations |

### Issue & PR responsiveness — 88/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Issue resolution | partial | 43.2 / 46.8 | 92% of issues closed |
| PR acceptance | partial | 30.2 / 38.2 | 38653/48973 decided PRs merged |
| OpenSSF Scorecard: Code-Review | met | 15 / 15 | all changesets reviewed |

### Ownership & stewardship — 80/100 (Good)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Ownership backing | met | 30 / 30 | organization-owned |
| Verified domain | not met | 0 / 20 | — |
| Owner reach | met | 25 / 25 | 23,498 followers of apache |
| Track record | met | 25 / 25 | 3146 public repos, account ~17 yr old |

### Package maintenance — 100/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Published & resolvable | met | 25 / 25 | 4 package(s) on go, npm, pypi |
| Publish recency | met | 35 / 35 | latest publish 13 days ago |
| Version history | met | 20 / 20 | 295 published versions |
| Not deprecated | met | 20 / 20 | active, not deprecated or yanked |

## Engineering Quality — 96/100 (Excellent)

Are baseline engineering and documentation practices in place? Weight: 20% of the overall index.

### Engineering practices — 100/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| CI workflows | met | 24 / 24 | 47 workflow(s) |
| Tests present | met | 24 / 24 | — |
| Linter config | met | 16 / 16 | eslint.config.js |
| Pre-commit hooks | met | 9.6 / 9.6 | — |
| .editorconfig | met | 6.4 / 6.4 | — |
| OpenSSF Scorecard: CI-Tests | met | 20 / 20 | 30 out of 30 merged PRs checked by a CI test -- score normalized to 10 |

### Documentation — 90/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| README | met | 30 / 30 | — |
| Documentation directory | met | 25 / 25 | — |
| Documentation / homepage site | met | 15 / 15 | https://airflow.apache.org/ |
| Repository description | met | 10 / 10 | — |
| Topics | met | 10 / 10 | 20 topics |
| Wiki | not met | 0 / 10 | — |

## Security — 80/100 (Good)

Are visible security and supply-chain practices strong, with no malicious dependency and no unresolved high-risk jurisdiction exposure? Weight: 16% of the overall index.

### Security posture — 75/100 (Good)

Excluded from scoring (no data or not applicable): Dangerous-Workflow, Packaging, Token-Permissions. Remaining weights renormalized.

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Binary-Artifacts | met | 7.5 / 7.5 | no binaries found in the repo |
| Branch-Protection | partial | 4.5 / 7.5 | branch protection is not maximal on development and all release branches |
| CI-Tests | met | 2.5 / 2.5 | 30 out of 30 merged PRs checked by a CI test -- score normalized to 10 |
| CII-Best-Practices | not met | 0 / 2.5 | no effort to earn an OpenSSF best practices badge detected |
| Code-Review | met | 7.5 / 7.5 | all changesets reviewed |
| Contributors | met | 2.5 / 2.5 | project has 39 contributing companies or organizations |
| Dangerous-Workflow | excluded | 0 / 10 | no workflows found |
| Dependency-Update-Tool | met | 7.5 / 7.5 | update tool detected |
| Fuzzing | met | 5 / 5 | project is fuzzed |
| License | met | 2.5 / 2.5 | license file detected |
| Maintained | met | 7.5 / 7.5 | 30 commit(s) and 15 issue activity found in the last 90 days -- score normalized to 10 |
| Packaging | excluded | 0 / 5 | packaging workflow not detected |
| Pinned-Dependencies | not met | 0 / 5 | dependency not pinned by hash detected -- score normalized to 0 |
| SAST | partial | 3.5 / 5 | SAST tool is not run on all commits -- score normalized to 7 |
| Security-Policy | met | 5 / 5 | security policy file detected |
| Signed-Releases | partial | 6 / 7.5 | 4 out of the last 4 releases have a total of 4 signed artifacts. |
| Token-Permissions | excluded | 0 / 7.5 | No tokens found |
| Vulnerabilities | not met | 0 / 7.5 | 70 existing vulnerabilities detected |

### Dependency advisories — 100/100 (Excellent)

Excluded from scoring (no data or not applicable): No advisories left outstanding. Remaining weights renormalized. Matched the pypi:apache-airflow@3.3.0 runtime dependency closure — what installing the published package pulls in — 127 packages. Reachability is not analyzed.

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Direct dependencies free of known advisories | met | 35 / 35 | no direct dependency carries a known advisory |
| Indirect dependencies free of known advisories | met | 25 / 25 | no indirect dependency carries a known advisory |
| No advisories left outstanding | excluded | 0 / 40 | no advisory carries a publication date |

### Malicious dependencies — 100/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| No dependency reported as a malicious package | met | 100 / 100 | no dependency is reported as a malicious package |

### High-Risk Jurisdiction Exposure — 100/100 (Excellent)

Only high-confidence self-published location evidence affects this multiplier. Ambiguous matches are review-only; country evidence is not proof of nationality, citizenship, legal registration, malicious intent, or sanctions status.

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Policy exposure multiplier | met | 100 / 100 | no confirmed policy-scope location match |

## AI Readiness — 81/100 (Good)

How well is the repo equipped to be developed and maintained with AI coding agents? An independent, experimental badge — weight 0.0, so it is surfaced on its own and does not affect the overall health score.

### Agent context & guidance — 75/100 (Good)

Excluded from scoring (no data or not applicable): Legible commit history. Remaining weights renormalized.

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Agent instructions | met | 45 / 45 | .agents/skills/magpie-setup/agents.md, .github/instructions/code-review.instructions.md, AGENTS.md, CLAUDE.md, airflow-core/src/airflow/_shared/AGENTS.md, airflow-core/src/airflow/api_fastapi/execution_api/AGENTS.md, airflow-core/src/airflow/ui/AGENTS.md, dev/AGENTS.md, dev/ide_setup/AGENTS.md, providers/AGENTS.md, providers/common/ai/AGENTS.md, providers/elasticsearch/AGENTS.md, providers/opensearch/AGENTS.md, registry/AGENTS.md, registry/CLAUDE.md, scripts/ci/prek/AGENTS.md, task-sdk/src/airflow/sdk/_shared/AGENTS.md, task-sdk/src/airflow/sdk/execution_time/schema/AGENTS.md |
| Machine-readable docs (llms.txt) | not met | 0 / 15 | — |
| Legible commit history | excluded | 0 / 40 | no data |

### Verify loop (build / test / typecheck) — 86/100 (Excellent)

Excluded from scoring (no data or not applicable): Demonstrated agent practice. Remaining weights renormalized.

| Criterion | Status | Points | Detail |
|---|---|---|---|
| One-command bootstrap | met | 18 / 18 | go-sdk/Justfile, go-sdk/example/bundle/Justfile |
| Automated tests | met | 22 / 22 | — |
| Lint / format config | met | 11 / 11 | eslint.config.js |
| Static type checking | met | 11 / 11 | airflow-core/src/airflow/api_fastapi/auth/managers/simple/ui/tsconfig.json, airflow-core/src/airflow/py.typed, airflow-core/src/airflow/ui/tsconfig.json, dev/react-plugin-tools/react_plugin_template/tsconfig.json, providers/common/ai/src/airflow/providers/common/ai/plugins/www/tsconfig.json, providers/edge3/src/airflow/providers/edge3/plugins/www/tsconfig.json, task-sdk/src/airflow/sdk/py.typed, ts-sdk/example/tsconfig.json, ts-sdk/tsconfig.json |
| Reproducible environment | met | 10 / 10 | devcontainer, Dockerfile, lockfile |
| Demonstrated agent practice | excluded | 0 / 10 | no data |
| Automated maintenance | partial | 5 / 8 | dependency automation configured, none observed in the sampled commits |
| OpenSSF Scorecard: Pinned-Dependencies | not met | 0 / 10 | dependency not pinned by hash detected -- score normalized to 0 |

### Code legibility for models — 81/100 (Good)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Type-checkable code | partial | 27 / 45 | Python with type-check config (airflow-core/src/airflow/api_fastapi/auth/managers/simple/ui/tsconfig.json, airflow-core/src/airflow/py.typed, airflow-core/src/airflow/ui/tsconfig.json, dev/react-plugin-tools/react_plugin_template/tsconfig.json, providers/common/ai/src/airflow/providers/common/ai/plugins/www/tsconfig.json, providers/edge3/src/airflow/providers/edge3/plugins/www/tsconfig.json, task-sdk/src/airflow/sdk/py.typed, ts-sdk/example/tsconfig.json, ts-sdk/tsconfig.json) |
| Manageable file sizes | partial | 54.1 / 55 | 138/8843 source files over 60KB |

### Machine-readable interfaces — 80/100 (Good)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| API schema (OpenAPI/GraphQL/proto) | met | 40 / 40 | go-sdk/internal/protov1/plugin.proto |
| MCP server | not met | 0 / 20 | — |
| Runnable examples | met | 40 / 40 | example, notebooks |

## Collection warnings

- Could not fetch pypi package 'apache-airflow-dev' from its registry
- Could not fetch pypi package 'apache-airflow-helm-chart' from its registry
- Could not fetch npm package 'airflow-registry' from its registry
- Could not fetch pypi package 'apache-airflow-scripts' from its registry
- Resolved dependency list truncated to 2000 of 3761 packages (counts remain complete)

## What this report is

inspect.software measures public repositories against a single published, versioned methodology and reports the result as a 1–100 health index. Findings are signals derived from what is visible in public repository data — they are not a security audit, a warranty, or an endorsement, and no result depends on payment.

- Methodology, formulas and weights: https://inspect.software/methodology.md
- What a result does and does not claim: https://inspect.software/wiki/signals-not-warranties.md
- Rating bands: https://inspect.software/wiki/scoring-bands.md
- Corrections: https://inspect.software/contact.md
- Index of all documents: https://inspect.software/llms.txt