Public recordExcellent
Software health reportschema 0.12.0 · metrics 1.13.0 · 2026-07-18 14:05 UTC
zarr-developers / zarr-python
An implementation of chunked, compressed, N-dimensional arrays for Python.
zarr-developers/zarr-python holds a health index of 86 out of 100, placing it in the Excellent band. It scores highest on Vitality (99/100) and lowest on AI Readiness (49/100). It was last updated 1 day ago. 3 contributors account for most of its recent work.
86
overall / 100Software health index
Metrics are grouped into weighted categories on one standardized 1–100 scale. Overall starts as their weighted mean; when public evidence triggers the High-Risk Jurisdiction Policy, the rating is adjusted and receives an At risk ceiling of 49. AI Readiness sits outside the overall score.
86
Excellent85-100Exemplary; meets essentially all checked criteria
Good70-84Healthy; minor gaps
Moderate50-69Acceptable with notable gaps; review recommended
At risk30-49Significant weaknesses; adoption warrants caution
Critical1-29Severe problems (abandoned, single-maintainer, no hygiene)
Score profile
Each axis is a category. The shape matters more than the average — a healthy subject fills the whole shape, while a spike-and-crater profile means strength in one dimension is masking risk in another.
Ownership
Zarr DevelopersOrganization
219 followers44 public repossince Jan 2018
This repository is backed by an organization — shared, accountable stewardship that can outlive any single maintainer.
Package ecosystems
| Registry | Package | Version | Downloads / mo | Versions | Last publish | Tags |
|---|---|---|---|---|---|---|
| PyPI | zarr | 3.2.1 | - | 116 | 74 days ago | pythoncompressedndimensional-arrayszarr |
Metrics by category
Vitality
Is the project alive — is code being written and are releases shipping?
99
Development activity
98Excellent
How it's scored
| 36/36 | Push recency — last push 1 days ago |
| 33.9/36 | Commit cadence — 49/52 weeks with commits |
| 18/18 | Commit volume — 366 commits in the last year |
| 10/10 | OpenSSF Scorecard: Maintained — 30 commit(s) and 3 issue activity found in the last 90 days -- score normalized to 10 |
Inputs used
| commits_last_year | 366 |
| human_commit_share | — |
| days_since_last_push | 1 |
| active_weeks_last_year | 49 |
Release discipline
100Excellent
How it's scored
| 27/27 | Ships releases — 100 releases published |
| 36/36 | Release recency — latest release 74 days ago |
| 27/27 | Release cadence — a release every ~32.7 days |
| 0/10 | OpenSSF Scorecard: Signed-Releases — no data |
Inputs used
| releases_count | 100 |
| latest_release_tag | v3.2.1 |
| releases_from_tags | no |
| days_since_latest_release | 74 |
| mean_days_between_releases | 32.7 |
Excluded from scoring (no data or not applicable): OpenSSF Scorecard: Signed-Releases. Remaining weights renormalized.
Community & Adoption
Does the project have users, downloads, attention, and a welcoming setup for contributors?
88
Popularity & adoption
84Good
How it's scored
| 53.6/60 | Stars — 2,021 stars |
| 21.9/25 | Forks — 429 forks |
| 8.8/15 | Watchers — 40 watchers |
Inputs used
| forks | 429 |
| stars | 2,021 |
| watchers | 40 |
| growth_state | unverified |
| growth_factor_pct | 100 |
| growth_unverified_reason | no_history |
Community health
92Excellent
How it's scored
| 22.5/22.5 | README |
| 22.5/22.5 | License — recognized license (MIT) |
| 18/18 | CONTRIBUTING guide |
| 13.5/13.5 | Code of conduct |
| 0/7.2 | Issue template |
| 6.3/6.3 | PR template |
Inputs used
| has_readme | yes |
| has_license | yes |
| has_contributing | yes |
| has_issue_template | no |
| has_code_of_conduct | yes |
| has_pull_request_template | yes |
Sustainability & Governance
Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?
78
How it's scored
| 36/54 | Bus factor — 3 contributor(s) cover half of all commits |
| 14.9/22.5 | Commit distribution — top contributor authored 34% of commits |
| 13.5/13.5 | Contributor breadth — 100 contributors |
| 10/10 | OpenSSF Scorecard: Contributors — project has 139 contributing companies or organizations |
Inputs used
| bus_factor | 3 |
| contributors_sampled | 100 |
| top_contributor_share | 0.337 |
How it's scored
| 34.7/46.8 | Issue resolution — 74% of issues closed |
| 30.2/38.3 | PR acceptance — 1,844/2,339 decided PRs merged |
| 9/15 | OpenSSF Scorecard: Code-Review — Found 15/24 approved changesets -- score normalized to 6 |
Inputs used
| merged_prs | 1,844 |
| open_issues | 390 |
| closed_issues | 1,123 |
| issue_closed_ratio | 0.742 |
| closed_unmerged_prs | 495 |
Ownership & stewardship
71Good
How it's scored
| 30/30 | Ownership backing — organization-owned |
| 0/20 | Verified domain |
| 16.8/25 | Owner reach — 219 followers of zarr-developers |
| 24/25 | Track record — 44 public repos, account ~8 yr old |
Inputs used
| followers | 219 |
| owner_type | Organization |
| is_verified | — |
| owner_login | zarr-developers |
| public_repos | 44 |
| account_age_days | 3,118 |
Package maintenance
100Excellent
How it's scored
| 25/25 | Published & resolvable — 1 package(s) on pypi |
| 35/35 | Publish recency — latest publish 74 days ago |
| 20/20 | Version history — 116 published versions |
| 20/20 | Not deprecated — active, not deprecated or yanked |
Inputs used
| packages | zarr |
| ecosystems | pypi |
| any_deprecated | no |
| min_days_since_publish | 74 |
Engineering Quality
Are baseline engineering and documentation practices in place?
92
Engineering practices
94Excellent
How it's scored
| 24/24 | CI workflows — 16 workflow(s) |
| 24/24 | Tests present |
| 16/16 | Linter config |
| 9.6/9.6 | Pre-commit hooks |
| 0/6.4 | .editorconfig |
| 20/20 | OpenSSF Scorecard: CI-Tests — 30 out of 30 merged PRs checked by a CI test -- score normalized to 10 |
Inputs used
| has_ci | yes |
| has_tests | yes |
| has_editorconfig | no |
| has_linter_config | yes |
| has_precommit_config | yes |
Documentation
90Excellent
How it's scored
| 30/30 | README |
| 25/25 | Documentation directory |
| 15/15 | Documentation / homepage site — https://zarr.readthedocs.io |
| 10/10 | Repository description |
| 10/10 | Topics — 4 topics |
| 0/10 | Wiki |
Inputs used
| topics | zarr, ndimensional-arrays, compressed, python |
| has_wiki | no |
| homepage | https://zarr.readthedocs.io |
| has_readme | yes |
| has_docs_dir | yes |
| has_description | yes |
Security
Are visible security and supply-chain practices strong, without unresolved high-risk jurisdiction exposure?
70
Security posture
70Good
How it's scored
| 7.5/7.5 | Binary-Artifacts — no binaries found in the repo |
| 0/7.5 | Branch-Protection — no data |
| 2.5/2.5 | CI-Tests — 30 out of 30 merged PRs checked by a CI test -- score normalized to 10 |
| 0/2.5 | CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected |
| 4.5/7.5 | Code-Review — Found 15/24 approved changesets -- score normalized to 6 |
| 2.5/2.5 | Contributors — project has 139 contributing companies or organizations |
| 10/10 | Dangerous-Workflow — no dangerous workflow patterns detected |
| 7.5/7.5 | Dependency-Update-Tool — update tool detected |
| 0/5 | Fuzzing — project is not fuzzed |
| 2.5/2.5 | License — license file detected |
| 7.5/7.5 | Maintained — 30 commit(s) and 3 issue activity found in the last 90 days -- score normalized to 10 |
| 5/5 | Packaging — packaging workflow detected |
| 4.5/5 | Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 9 |
| 1.5/5 | SAST — SAST tool is not run on all commits -- score normalized to 3 |
| 0/5 | Security-Policy — security policy file not detected |
| 0/7.5 | Signed-Releases — no data |
| 6.8/7.5 | Token-Permissions — detected GitHub workflow tokens with excessive permissions |
| 0.8/7.5 | Vulnerabilities — 9 existing vulnerabilities detected |
Inputs used
| source | openssf_scorecard |
| checks_evaluated | 16 |
| scorecard_version | v5.5.0 |
| checks_inconclusive | 2 |
| scorecard_aggregate | 7 |
Excluded from scoring (no data or not applicable): branch_protection, signed_releases. Remaining weights renormalized.
AI Readiness
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.
49
Agent context & guidance
1Critical
How it's scored
| 0/45 | Agent instructions — no CLAUDE.md / AGENTS.md / editor rules |
| 0/15 | Machine-readable docs (llms.txt) |
| 0/40 | Legible commit history — no data |
Inputs used
| has_llms_txt | no |
| legible_history_share | — |
| agent_instruction_files | — |
| agent_instruction_max_bytes | — |
Excluded from scoring (no data or not applicable): Legible commit history. Remaining weights renormalized.
How it's scored
| 0/18 | One-command bootstrap |
| 22/22 | Automated tests |
| 11/11 | Lint / format config |
| 11/11 | Static type checking — packages/zarr-metadata/src/zarr_metadata/py.typed, src/zarr/py.typed |
| 10/10 | Reproducible environment — lockfile |
| 0/10 | Demonstrated agent practice — no data |
| 5/8 | Automated maintenance — dependency automation configured, none observed in the sampled commits |
| 9/10 | OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 9 |
Inputs used
| has_nix | no |
| has_tests | yes |
| lockfiles | uv.lock |
| has_dockerfile | no |
| typed_language | no |
| bootstrap_files | — |
| has_devcontainer | no |
| has_linter_config | yes |
| typecheck_configs | packages/zarr-metadata/src/zarr_metadata/py.typed, src/zarr/py.typed |
| agent_commit_share | — |
| toolchain_manifests | — |
| dependency_bot_commit_share | 0 |
Excluded from scoring (no data or not applicable): Demonstrated agent practice. Remaining weights renormalized.
How it's scored
| 27/45 | Type-checkable code — Python with type-check config (packages/zarr-metadata/src/zarr_metadata/py.typed, src/zarr/py.typed) |
| 53.7/55 | Manageable file sizes — 8/341 source files over 60KB |
Inputs used
| primary_language | Python |
| largest_source_bytes | 213,376 |
| source_files_sampled | 341 |
| oversized_source_files | 8 |
Machine-readable interfaces
40At risk
How it's scored
| 0/40 | API schema (OpenAPI/GraphQL/proto) |
| 0/20 | MCP server |
| 40/40 | Runnable examples — examples |
Inputs used
| example_dirs | examples |
| has_mcp_signal | no |
| api_schema_files | — |
Key facts
2,021GitHub stars
100contributors
366commits, last 12 months
1days since last push
100releases
3bus factor
390open issues
PyPIpackage ecosystems
More detail
OpenSSF Scorecard 7.0 / 10
7.0aggregate
Independent, tool-agnostic security assessment from the open-source OpenSSF Scorecard. Each check rewards a security practice, not a specific vendor's tool. Checks Scorecard could not determine are marked n/a and excluded from the security score (never counted as zero).
| 10 | Binary-Artifacts | no binaries found in the repo |
| n/a | Branch-Protection | internal error: error during branchesHandler.setup: internal error: some github tokens can't read classic branch protection rules: https://github.com/ossf/scorecard-action/blob/main/docs/authentication/fine-grained-auth-token.md |
| 10 | CI-Tests | 30 out of 30 merged PRs checked by a CI test -- score normalized to 10 |
| 0 | CII-Best-Practices | no effort to earn an OpenSSF best practices badge detected |
| 6 | Code-Review | Found 15/24 approved changesets -- score normalized to 6 |
| 10 | Contributors | project has 139 contributing companies or organizations |
| 10 | Dangerous-Workflow | no dangerous workflow patterns detected |
| 10 | Dependency-Update-Tool | update tool detected |
| 0 | Fuzzing | project is not fuzzed |
| 10 | License | license file detected |
| 10 | Maintained | 30 commit(s) and 3 issue activity found in the last 90 days -- score normalized to 10 |
| 10 | Packaging | packaging workflow detected |
| 9 | Pinned-Dependencies | dependency not pinned by hash detected -- score normalized to 9 |
| 3 | SAST | SAST tool is not run on all commits -- score normalized to 3 |
| 0 | Security-Policy | security policy file not detected |
| n/a | Signed-Releases | no releases found |
| 9 | Token-Permissions | detected GitHub workflow tokens with excessive permissions |
| 1 | Vulnerabilities | 9 existing vulnerabilities detected |
Direct dependencies 6
| Registry | Package | Version constraint | Manifest |
|---|---|---|---|
| PyPI | packaging | >=22.0 | pyproject.toml |
| PyPI | numpy | >=2 | pyproject.toml |
| PyPI | numcodecs | >=0.14 | pyproject.toml |
| PyPI | google-crc32c | >=1.5 | pyproject.toml |
| PyPI | typing_extensions | >=4.14 | pyproject.toml |
| PyPI | donfig | >=0.8 | pyproject.toml |
All dependencies 206
Full resolved dependency set from the GitHub dependency graph: 14 direct and 192 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.
| Registry | Package | Version | Relation |
|---|---|---|---|
| PyPI | donfig | — | direct |
| PyPI | donfig | 0.8.1.post1 | direct |
| PyPI | google-crc32c | — | direct |
| PyPI | google-crc32c | 1.8.0 | direct |
| PyPI | numcodecs | — | direct |
| PyPI | numcodecs | 0.12.1 | direct |
| PyPI | numcodecs | 0.16.5 | direct |
| PyPI | numpy | — | direct |
| PyPI | numpy | 1.26.4 | direct |
| PyPI | numpy | 2.5.0 | direct |
| PyPI | packaging | — | direct |
| PyPI | packaging | 26.2 | direct |
| PyPI | typing-extensions | — | direct |
| PyPI | typing-extensions | 4.16.0 | direct |
| PyPI | aiobotocore | 3.7.0 | indirect |
| PyPI | aiohappyeyeballs | 2.6.1 | indirect |
| PyPI | aiohttp | 3.14.1 | indirect |
| PyPI | aioitertools | 0.13.0 | indirect |
| PyPI | aiosignal | 1.4.0 | indirect |
| PyPI | alabaster | 1.0.0 | indirect |
| PyPI | annotated-doc | 0.0.4 | indirect |
| PyPI | annotated-types | 0.7.0 | indirect |
| PyPI | antlr4-python3-runtime | 4.13.2 | indirect |
| PyPI | asciitree | 0.3.3 | indirect |
| PyPI | ast-serialize | 0.3.0 | indirect |
| PyPI | astor | 0.8.1 | indirect |
| PyPI | astroid | — | indirect |
| PyPI | astroid | 4.1.2 | indirect |
| PyPI | attrs | 26.1.0 | indirect |
| PyPI | aws-sam-translator | 1.109.0 | indirect |
| PyPI | aws-xray-sdk | 2.15.0 | indirect |
| PyPI | azure-storage-blob | 12.16.0 | indirect |
| PyPI | babel | 2.18.0 | indirect |
| PyPI | backrefs | 7.0 | indirect |
| PyPI | blinker | 1.9.0 | indirect |
| PyPI | boto3 | 1.43.0 | indirect |
| PyPI | botocore | 1.43.0 | indirect |
| PyPI | cairocffi | 1.7.1 | indirect |
| PyPI | cairosvg | 2.9.0 | indirect |
| PyPI | cast-value-rs | 0.4.0 | indirect |
| PyPI | certifi | 2026.4.22 | indirect |
| PyPI | cffi | 2.0.0 | indirect |
| PyPI | cfn-lint | 1.51.0 | indirect |
| PyPI | charset-normalizer | 3.4.7 | indirect |
| PyPI | click | 8.3.3 | indirect |
| PyPI | colorama | 0.4.6 | indirect |
| PyPI | coverage | — | indirect |
| PyPI | coverage | 7.14.3 | indirect |
| PyPI | cryptography | 48.0.1 | indirect |
| PyPI | cssselect2 | 0.9.0 | indirect |
| PyPI | cuda-pathfinder | 1.5.4 | indirect |
| PyPI | cupy-cuda12x | 14.1.1 | indirect |
| PyPI | defusedxml | 0.7.1 | indirect |
| PyPI | docker | 7.1.0 | indirect |
| PyPI | docutils | 0.22.4 | indirect |
| PyPI | execnet | 2.1.2 | indirect |
| PyPI | fasteners | 0.19 | indirect |
| PyPI | flask | 3.1.3 | indirect |
| PyPI | flask-cors | 6.0.2 | indirect |
| PyPI | frozenlist | 1.8.0 | indirect |
| PyPI | fsspec | — | indirect |
| PyPI | fsspec | 2023.12.2 | indirect |
| PyPI | fsspec | 2026.6.0 | indirect |
| PyPI | ghp-import | 2.1.0 | indirect |
| PyPI | graphql-core | 3.2.8 | indirect |
| PyPI | griffe-inherited-docstrings | 1.1.3 | indirect |
| PyPI | griffelib | 2.0.2 | indirect |
| PyPI | h5py | 3.11.0 | indirect |
| PyPI | hatchling | — | indirect |
| PyPI | hypothesis | 6.155.7 | indirect |
| PyPI | idna | 3.15 | indirect |
| PyPI | imagesize | 2.0.0 | indirect |
| PyPI | iniconfig | 2.3.0 | indirect |
| PyPI | ipytree | 0.2.2 | indirect |
| PyPI | ipywidgets | 8.1.2 | indirect |
| PyPI | itsdangerous | 2.2.0 | indirect |
| PyPI | jinja2 | 3.1.6 | indirect |
| PyPI | jmespath | 1.1.0 | indirect |
| PyPI | joserfc | 1.6.8 | indirect |
| PyPI | jsonpatch | 1.33 | indirect |
| PyPI | jsonpath-ng | 1.8.0 | indirect |
| PyPI | jsonpointer | 3.1.1 | indirect |
| PyPI | jsonschema | 4.26.0 | indirect |
| PyPI | jsonschema-path | 0.4.6 | indirect |
| PyPI | jsonschema-specifications | 2025.9.1 | indirect |
| PyPI | lazy-object-proxy | 1.12.0 | indirect |
| PyPI | librt | 0.11.0 | indirect |
| PyPI | lmdb | 1.4.1 | indirect |
| PyPI | markdown | 3.10.2 | indirect |
| PyPI | markdown-exec | 1.12.1 | indirect |
| PyPI | markdown-it-py | 4.2.0 | indirect |
| PyPI | markupsafe | 3.0.3 | indirect |
| PyPI | mdurl | 0.1.2 | indirect |
| PyPI | mergedeep | 1.3.4 | indirect |
| PyPI | mike | — | indirect |
| PyPI | mike | 2.2.0 | indirect |
| PyPI | mkdocs | — | indirect |
| PyPI | mkdocs | 1.6.1 | indirect |
| PyPI | mkdocs-autorefs | 1.4.4 | indirect |
| PyPI | mkdocs-get-deps | 0.2.2 | indirect |
| PyPI | mkdocs-jupyter | — | indirect |
| PyPI | mkdocs-material | — | indirect |
| PyPI | mkdocs-material | 9.7.6 | indirect |
| PyPI | mkdocs-material-extensions | 1.3.1 | indirect |
| PyPI | mkdocs-redirects | — | indirect |
| PyPI | mkdocs-redirects | 1.2.3 | indirect |
| PyPI | mkdocstrings | — | indirect |
| PyPI | mkdocstrings | 1.0.4 | indirect |
| PyPI | mkdocstrings-python | — | indirect |
| PyPI | mkdocstrings-python | 2.0.5 | indirect |
| PyPI | moto | — | indirect |
| PyPI | moto | 5.2.2 | indirect |
| PyPI | mpmath | 1.3.0 | indirect |
| PyPI | msgpack | 1.2.1 | indirect |
| PyPI | msgpack-python | 0.5.6 | indirect |
| PyPI | multidict | 6.7.1 | indirect |
| PyPI | mypy | 2.1.0 | indirect |
| PyPI | mypy-extensions | 1.1.0 | indirect |
| PyPI | networkx | 3.6.1 | indirect |
| PyPI | numpydoc | 1.10.0 | indirect |
| PyPI | obstore | — | indirect |
| PyPI | obstore | 0.11.0 | indirect |
| PyPI | openapi-schema-validator | 0.8.1 | indirect |
| PyPI | openapi-spec-validator | 0.8.5 | indirect |
| PyPI | paginate | 0.5.7 | indirect |
| PyPI | pathable | 0.5.0 | indirect |
| PyPI | pathlib-abc | 0.5.2 | indirect |
| PyPI | pathspec | 1.1.1 | indirect |
| PyPI | pillow | 12.2.0 | indirect |
| PyPI | platformdirs | 4.9.6 | indirect |
| PyPI | pluggy | 1.6.0 | indirect |
| PyPI | propcache | 0.5.2 | indirect |
| PyPI | properdocs | 1.6.7 | indirect |
| PyPI | py-cpuinfo | 9.0.0 | indirect |
| PyPI | py-partiql-parser | 0.6.3 | indirect |
| PyPI | pycparser | 3.0 | indirect |
| PyPI | pydantic | — | indirect |
| PyPI | pydantic | 2.12.5 | indirect |
| PyPI | pydantic-core | 2.41.5 | indirect |
| PyPI | pydantic-settings | 2.14.2 | indirect |
| PyPI | pygments | 2.20.0 | indirect |
| PyPI | pygments-ansi-color | 0.3.0 | indirect |
| PyPI | pymdown-extensions | 10.21.3 | indirect |
| PyPI | pymongo | 4.6.3 | indirect |
| PyPI | pyparsing | 3.3.2 | indirect |
| PyPI | pytest | 8.1.1 | indirect |
| PyPI | pytest | 9.1.1 | indirect |
| PyPI | pytest-accept | 0.3.0 | indirect |
| PyPI | pytest-asyncio | 1.4.0 | indirect |
| PyPI | pytest-benchmark | 5.2.3 | indirect |
| PyPI | pytest-codspeed | 5.0.3 | indirect |
| PyPI | pytest-cov | 5.0.0 | indirect |
| PyPI | pytest-cov | 7.1.0 | indirect |
| PyPI | pytest-doctestplus | 1.2.1 | indirect |
| PyPI | pytest-timeout | 2.3.1 | indirect |
| PyPI | pytest-xdist | 3.8.0 | indirect |
| PyPI | python-dateutil | 2.9.0.post0 | indirect |
| PyPI | python-dotenv | 1.2.2 | indirect |
| PyPI | pywin32 | 311 | indirect |
| PyPI | pyyaml | 6.0.3 | indirect |
| PyPI | pyyaml-env-tag | 1.1 | indirect |
| PyPI | redis | 5.0.4 | indirect |
| PyPI | referencing | 0.37.0 | indirect |
| PyPI | regex | 2026.5.9 | indirect |
| PyPI | requests | 2.34.2 | indirect |
| PyPI | responses | 0.26.0 | indirect |
| PyPI | rfc3339-validator | 0.1.4 | indirect |
| PyPI | rich | 15.0.0 | indirect |
| PyPI | roman-numerals | 4.1.0 | indirect |
| PyPI | rpds-py | 0.30.0 | indirect |
| PyPI | ruff | 0.15.20 | indirect |
| PyPI | s3fs | — | indirect |
| PyPI | s3fs | 2023.12.2 | indirect |
| PyPI | s3fs | 2026.6.0 | indirect |
| PyPI | s3transfer | 0.17.0 | indirect |
| PyPI | setuptools | 82.0.1 | indirect |
| PyPI | setuptools-scm | 8.0.4 | indirect |
| PyPI | shellingham | 1.5.4 | indirect |
| PyPI | six | 1.17.0 | indirect |
| PyPI | snowballstemmer | 3.0.1 | indirect |
| PyPI | sortedcontainers | 2.4.0 | indirect |
| PyPI | sphinx | 9.1.0 | indirect |
| PyPI | sphinxcontrib-applehelp | 2.0.0 | indirect |
| PyPI | sphinxcontrib-devhelp | 2.0.0 | indirect |
| PyPI | sphinxcontrib-htmlhelp | 2.1.0 | indirect |
| PyPI | sphinxcontrib-jsmath | 1.0.1 | indirect |
| PyPI | sphinxcontrib-qthelp | 2.0.0 | indirect |
| PyPI | sphinxcontrib-serializinghtml | 2.0.0 | indirect |
| PyPI | sympy | 1.14.0 | indirect |
| PyPI | tinycss2 | 1.4.0 | indirect |
| PyPI | tomlkit | 0.15.0 | indirect |
| PyPI | towncrier | 25.8.0 | indirect |
| PyPI | typer | 0.26.8 | indirect |
| PyPI | types-redis | — | indirect |
| PyPI | types-setuptools | — | indirect |
| PyPI | typing-inspection | 0.4.2 | indirect |
| PyPI | universal-pathlib | 0.3.10 | indirect |
| PyPI | urllib3 | 2.7.0 | indirect |
| PyPI | uv | 0.11.26 | indirect |
| PyPI | verspec | 0.1.0 | indirect |
| PyPI | watchdog | 6.0.0 | indirect |
| PyPI | webencodings | 0.5.1 | indirect |
| PyPI | werkzeug | 3.1.8 | indirect |
| PyPI | wrapt | 2.1.2 | indirect |
| PyPI | xmltodict | 1.0.4 | indirect |
| PyPI | yarl | 1.23.0 | indirect |
Raw JSON report machine-readable
{
"data": {
"repo": {
"topics": [
"zarr",
"ndimensional-arrays",
"compressed",
"python"
],
"is_fork": false,
"size_kb": 21608,
"has_wiki": false,
"homepage": "https://zarr.readthedocs.io",
"languages": {
"Python": 2860550
},
"pushed_at": "2026-07-17T13:34:21Z",
"created_at": "2015-12-15T14:49:40Z",
"owner_type": "Organization",
"updated_at": "2026-07-17T14:56:57Z",
"description": "An implementation of chunked, compressed, N-dimensional arrays for Python.",
"is_archived": false,
"is_disabled": false,
"license_spdx": "MIT",
"default_branch": "main",
"primary_language": "Python",
"significant_languages": [
"Python"
]
},
"owner": {
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}
],
"max_points": 15
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]
},
{
"key": "community_health",
"band": "excellent",
"name": "Community health",
"note": null,
"notes": [],
"value": 92,
"inputs": {
"has_readme": true,
"has_license": true,
"has_contributing": true,
"has_issue_template": false,
"has_code_of_conduct": true,
"has_pull_request_template": true
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"components": [
{
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"detail": null,
"points": 22.5,
"status": "met",
"details": [],
"max_points": 22.5
},
{
"key": "license",
"name": "License",
"detail": "recognized license (MIT)",
"points": 22.5,
"status": "met",
"details": [
{
"code": "license_standard",
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},
{
"code": "license_spdx",
"params": {
"spdx": "MIT"
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}
],
"max_points": 22.5
},
{
"key": "contributing_guide",
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"points": 18,
"status": "met",
"details": [],
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},
{
"key": "code_of_conduct",
"name": "Code of conduct",
"detail": null,
"points": 13.5,
"status": "met",
"details": [],
"max_points": 13.5
},
{
"key": "issue_template",
"name": "Issue template",
"detail": null,
"points": 0,
"status": "missed",
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},
{
"key": "pr_template",
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"points": 6.3,
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"details": [],
"max_points": 6.3
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]
}
],
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},
{
"key": "governance",
"band": "good",
"name": "Sustainability & Governance",
"value": 78,
"weight": 0.24,
"metrics": [
{
"key": "maintainer_resilience",
"band": "good",
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"note": null,
"notes": [],
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"inputs": {
"bus_factor": 3,
"contributors_sampled": 100,
"top_contributor_share": 0.337
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"components": [
{
"key": "bus_factor",
"name": "Bus factor",
"detail": "3 contributor(s) cover half of all commits",
"points": 36,
"status": "partial",
"details": [
{
"code": "bus_factor",
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"count": 3
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}
],
"max_points": 54
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{
"key": "commit_distribution",
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"detail": "top contributor authored 34% of commits",
"points": 14.9,
"status": "partial",
"details": [
{
"code": "top_contributor_share",
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"share": 34
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}
],
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{
"key": "contributor_breadth",
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"details": [
{
"code": "contributors_sampled",
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],
"max_points": 13.5
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{
"key": "openssf_scorecard_contributors",
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"detail": "project has 139 contributing companies or organizations",
"points": 10,
"status": "met",
"details": [],
"max_points": 10
}
]
},
{
"key": "responsiveness",
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"note": null,
"notes": [],
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"inputs": {
"merged_prs": 1844,
"open_issues": 390,
"closed_issues": 1123,
"issue_closed_ratio": 0.742,
"closed_unmerged_prs": 495
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"components": [
{
"key": "issue_resolution",
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"points": 34.7,
"status": "partial",
"details": [
{
"code": "issues_closed_share",
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"share": 74
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}
],
"max_points": 46.75
},
{
"key": "pr_acceptance",
"name": "PR acceptance",
"detail": "1844/2339 decided PRs merged",
"points": 30.2,
"status": "partial",
"details": [
{
"code": "decided_prs_merged",
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"merged": 1844,
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],
"max_points": 38.25
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{
"key": "openssf_scorecard_code_review",
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"detail": "Found 15/24 approved changesets -- score normalized to 6",
"points": 9,
"status": "partial",
"details": [],
"max_points": 15
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]
},
{
"key": "stewardship",
"band": "good",
"name": "Ownership & stewardship",
"note": null,
"notes": [],
"value": 71,
"inputs": {
"followers": 219,
"owner_type": "Organization",
"is_verified": null,
"owner_login": "zarr-developers",
"public_repos": 44,
"account_age_days": 3118
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"components": [
{
"key": "ownership_backing",
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"status": "met",
"details": [
{
"code": "owner_organization",
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}
],
"max_points": 30
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{
"key": "verified_domain",
"name": "Verified domain",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 20
},
{
"key": "owner_reach",
"name": "Owner reach",
"detail": "219 followers of zarr-developers",
"points": 16.8,
"status": "partial",
"details": [
{
"code": "owner_followers",
"params": {
"count": 219,
"login": "zarr-developers"
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}
],
"max_points": 25
},
{
"key": "track_record",
"name": "Track record",
"detail": "44 public repos, account ~8 yr old",
"points": 24,
"status": "partial",
"details": [
{
"code": "public_repos",
"params": {
"count": 44
}
},
{
"code": "account_age_years",
"params": {
"years": 8
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}
],
"max_points": 25
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]
},
{
"key": "package_maintenance",
"band": "excellent",
"name": "Package maintenance",
"note": null,
"notes": [],
"value": 100,
"inputs": {
"packages": [
"zarr"
],
"ecosystems": "pypi",
"any_deprecated": false,
"min_days_since_publish": 74
},
"components": [
{
"key": "published_resolvable",
"name": "Published & resolvable",
"detail": "1 package(s) on pypi",
"points": 25,
"status": "met",
"details": [
{
"code": "packages_published",
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"count": 1,
"ecosystems": "pypi"
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}
],
"max_points": 25
},
{
"key": "publish_recency",
"name": "Publish recency",
"detail": "latest publish 74 days ago",
"points": 35,
"status": "met",
"details": [
{
"code": "publish_recency",
"params": {
"days": 74
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}
],
"max_points": 35
},
{
"key": "version_history",
"name": "Version history",
"detail": "116 published versions",
"points": 20,
"status": "met",
"details": [
{
"code": "published_versions",
"params": {
"count": 116
}
}
],
"max_points": 20
},
{
"key": "not_deprecated",
"name": "Not deprecated",
"detail": "active, not deprecated or yanked",
"points": 20,
"status": "met",
"details": [
{
"code": "package_not_deprecated",
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}
],
"max_points": 20
}
]
}
],
"description": "Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?"
},
{
"key": "engineering",
"band": "excellent",
"name": "Engineering Quality",
"value": 92,
"weight": 0.2,
"metrics": [
{
"key": "engineering_practices",
"band": "excellent",
"name": "Engineering practices",
"note": null,
"notes": [],
"value": 94,
"inputs": {
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"has_tests": true,
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"has_linter_config": true,
"has_precommit_config": true
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"components": [
{
"key": "ci_workflows",
"name": "CI workflows",
"detail": "16 workflow(s)",
"points": 24,
"status": "met",
"details": [
{
"code": "ci_workflows",
"params": {
"count": 16
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}
],
"max_points": 24
},
{
"key": "tests_present",
"name": "Tests present",
"detail": null,
"points": 24,
"status": "met",
"details": [],
"max_points": 24
},
{
"key": "linter_config",
"name": "Linter config",
"detail": null,
"points": 16,
"status": "met",
"details": [],
"max_points": 16
},
{
"key": "pre_commit_hooks",
"name": "Pre-commit hooks",
"detail": null,
"points": 9.6,
"status": "met",
"details": [],
"max_points": 9.6
},
{
"key": "editorconfig",
"name": ".editorconfig",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 6.4
},
{
"key": "openssf_scorecard_ci_tests",
"name": "OpenSSF Scorecard: CI-Tests",
"detail": "30 out of 30 merged PRs checked by a CI test -- score normalized to 10",
"points": 20,
"status": "met",
"details": [],
"max_points": 20
}
]
},
{
"key": "documentation",
"band": "excellent",
"name": "Documentation",
"note": null,
"notes": [],
"value": 90,
"inputs": {
"topics": [
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"ndimensional-arrays",
"compressed",
"python"
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"has_wiki": false,
"homepage": "https://zarr.readthedocs.io",
"has_readme": true,
"has_docs_dir": true,
"has_description": true
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"components": [
{
"key": "readme",
"name": "README",
"detail": null,
"points": 30,
"status": "met",
"details": [],
"max_points": 30
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{
"key": "documentation_directory",
"name": "Documentation directory",
"detail": null,
"points": 25,
"status": "met",
"details": [],
"max_points": 25
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{
"key": "documentation_homepage_site",
"name": "Documentation / homepage site",
"detail": "https://zarr.readthedocs.io",
"points": 15,
"status": "met",
"details": [],
"max_points": 15
},
{
"key": "repository_description",
"name": "Repository description",
"detail": null,
"points": 10,
"status": "met",
"details": [],
"max_points": 10
},
{
"key": "topics",
"name": "Topics",
"detail": "4 topics",
"points": 10,
"status": "met",
"details": [
{
"code": "topics_count",
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}
],
"max_points": 10
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{
"key": "wiki",
"name": "Wiki",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 10
}
]
}
],
"description": "Are baseline engineering and documentation practices in place?"
},
{
"key": "security",
"band": "good",
"name": "Security",
"value": 70,
"weight": 0.16,
"metrics": [
{
"key": "security_posture",
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"name": "Security posture",
"note": "Excluded from scoring (no data or not applicable): Branch-Protection, Signed-Releases. Remaining weights renormalized.",
"notes": [
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"code": "excluded_no_data",
"params": {
"components": [
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},
{
"code": "weights_renormalized",
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],
"value": 70,
"inputs": {
"source": "openssf_scorecard",
"checks_evaluated": 16,
"scorecard_version": "v5.5.0",
"checks_inconclusive": 2,
"scorecard_aggregate": 7
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"components": [
{
"key": "binary_artifacts",
"name": "Binary-Artifacts",
"detail": "no binaries found in the repo",
"points": 7.5,
"status": "met",
"details": [],
"max_points": 7.5
},
{
"key": "branch_protection",
"name": "Branch-Protection",
"detail": "internal error: error during branchesHandler.setup: internal error: some github tokens can't read classic branch protection rules: https://github.com/ossf/scorecard-action/blob/main/docs/authentication/fine-grained-auth-token.md",
"points": 0,
"status": "excluded",
"details": [
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"code": "no_data",
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],
"max_points": 7.5
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{
"key": "ci_tests",
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"points": 2.5,
"status": "met",
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"max_points": 2.5
},
{
"key": "cii_best_practices",
"name": "CII-Best-Practices",
"detail": "no effort to earn an OpenSSF best practices badge detected",
"points": 0,
"status": "missed",
"details": [],
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},
{
"key": "code_review",
"name": "Code-Review",
"detail": "Found 15/24 approved changesets -- score normalized to 6",
"points": 4.5,
"status": "partial",
"details": [],
"max_points": 7.5
},
{
"key": "contributors",
"name": "Contributors",
"detail": "project has 139 contributing companies or organizations",
"points": 2.5,
"status": "met",
"details": [],
"max_points": 2.5
},
{
"key": "dangerous_workflow",
"name": "Dangerous-Workflow",
"detail": "no dangerous workflow patterns detected",
"points": 10,
"status": "met",
"details": [],
"max_points": 10
},
{
"key": "dependency_update_tool",
"name": "Dependency-Update-Tool",
"detail": "update tool detected",
"points": 7.5,
"status": "met",
"details": [],
"max_points": 7.5
},
{
"key": "fuzzing",
"name": "Fuzzing",
"detail": "project is not fuzzed",
"points": 0,
"status": "missed",
"details": [],
"max_points": 5
},
{
"key": "license",
"name": "License",
"detail": "license file detected",
"points": 2.5,
"status": "met",
"details": [],
"max_points": 2.5
},
{
"key": "maintained",
"name": "Maintained",
"detail": "30 commit(s) and 3 issue activity found in the last 90 days -- score normalized to 10",
"points": 7.5,
"status": "met",
"details": [],
"max_points": 7.5
},
{
"key": "packaging",
"name": "Packaging",
"detail": "packaging workflow detected",
"points": 5,
"status": "met",
"details": [],
"max_points": 5
},
{
"key": "pinned_dependencies",
"name": "Pinned-Dependencies",
"detail": "dependency not pinned by hash detected -- score normalized to 9",
"points": 4.5,
"status": "partial",
"details": [],
"max_points": 5
},
{
"key": "sast",
"name": "SAST",
"detail": "SAST tool is not run on all commits -- score normalized to 3",
"points": 1.5,
"status": "partial",
"details": [],
"max_points": 5
},
{
"key": "security_policy",
"name": "Security-Policy",
"detail": "security policy file not detected",
"points": 0,
"status": "missed",
"details": [],
"max_points": 5
},
{
"key": "signed_releases",
"name": "Signed-Releases",
"detail": "no releases found",
"points": 0,
"status": "excluded",
"details": [
{
"code": "no_data",
"params": {}
}
],
"max_points": 7.5
},
{
"key": "token_permissions",
"name": "Token-Permissions",
"detail": "detected GitHub workflow tokens with excessive permissions",
"points": 6.8,
"status": "partial",
"details": [],
"max_points": 7.5
},
{
"key": "vulnerabilities",
"name": "Vulnerabilities",
"detail": "9 existing vulnerabilities detected",
"points": 0.8,
"status": "partial",
"details": [],
"max_points": 7.5
}
]
},
{
"key": "high_risk_jurisdiction_exposure",
"band": "excellent",
"name": "High-Risk Jurisdiction Exposure",
"note": "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.",
"notes": [
{
"code": "jurisdiction_evidence_limits",
"params": {}
}
],
"value": 100,
"inputs": {
"meaning": "self-published location evidence; not nationality or citizenship",
"red_flag": false,
"exposures": [],
"policy_countries": [
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"Iran",
"North Korea"
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"review_only_matches": 0,
"assessed_self_published_locations": 7
},
"components": [
{
"key": "policy_exposure_multiplier",
"name": "Policy exposure multiplier",
"detail": "no confirmed policy-scope location match",
"points": 100,
"status": "met",
"details": [
{
"code": "jurisdiction_no_match",
"params": {}
}
],
"max_points": 100
}
]
}
],
"description": "Are visible security and supply-chain practices strong, with no malicious dependency and no unresolved high-risk jurisdiction exposure?"
},
{
"key": "ai_readiness",
"band": "at_risk",
"name": "AI Readiness",
"value": 49,
"weight": 0,
"metrics": [
{
"key": "ai_agent_context",
"band": "critical",
"name": "Agent context & guidance",
"note": "Excluded from scoring (no data or not applicable): Legible commit history. Remaining weights renormalized.",
"notes": [
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"code": "excluded_no_data",
"params": {
"components": [
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}
},
{
"code": "weights_renormalized",
"params": {}
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],
"value": 1,
"inputs": {
"has_llms_txt": false,
"legible_history_share": null,
"agent_instruction_files": [],
"agent_instruction_max_bytes": null
},
"components": [
{
"key": "agent_instructions",
"name": "Agent instructions",
"detail": "no CLAUDE.md / AGENTS.md / editor rules",
"points": 0,
"status": "missed",
"details": [
{
"code": "no_agent_instructions",
"params": {}
}
],
"max_points": 45
},
{
"key": "machine_readable_docs_llms_txt",
"name": "Machine-readable docs (llms.txt)",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 15
},
{
"key": "legible_commit_history",
"name": "Legible commit history",
"detail": "no data",
"points": 0,
"status": "excluded",
"details": [
{
"code": "no_data",
"params": {}
}
],
"max_points": 40
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]
},
{
"key": "ai_verify_loop",
"band": "good",
"name": "Verify loop (build / test / typecheck)",
"note": "Excluded from scoring (no data or not applicable): Demonstrated agent practice. Remaining weights renormalized.",
"notes": [
{
"code": "excluded_no_data",
"params": {
"components": [
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}
},
{
"code": "weights_renormalized",
"params": {}
}
],
"value": 76,
"inputs": {
"has_nix": false,
"has_tests": true,
"lockfiles": [
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"has_dockerfile": false,
"typed_language": false,
"bootstrap_files": [],
"has_devcontainer": false,
"has_linter_config": true,
"typecheck_configs": [
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"agent_commit_share": null,
"toolchain_manifests": [],
"dependency_bot_commit_share": 0
},
"components": [
{
"key": "one_command_bootstrap",
"name": "One-command bootstrap",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 18
},
{
"key": "automated_tests",
"name": "Automated tests",
"detail": null,
"points": 22,
"status": "met",
"details": [],
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{
"key": "lint_format_config",
"name": "Lint / format config",
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"points": 11,
"status": "met",
"details": [],
"max_points": 11
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{
"key": "static_type_checking",
"name": "Static type checking",
"detail": "packages/zarr-metadata/src/zarr_metadata/py.typed, src/zarr/py.typed",
"points": 11,
"status": "met",
"details": [
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"code": "file_list",
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}
],
"max_points": 11
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{
"key": "reproducible_environment",
"name": "Reproducible environment",
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"points": 10,
"status": "met",
"details": [
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"code": "file_list",
"params": {
"files": "lockfile"
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}
],
"max_points": 10
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{
"key": "demonstrated_agent_practice",
"name": "Demonstrated agent practice",
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"points": 0,
"status": "excluded",
"details": [
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"code": "no_data",
"params": {}
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],
"max_points": 10
},
{
"key": "automated_maintenance",
"name": "Automated maintenance",
"detail": "dependency automation configured, none observed in the sampled commits",
"points": 5,
"status": "partial",
"details": [
{
"code": "dependency_bot_config_only",
"params": {}
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],
"max_points": 8
},
{
"key": "openssf_scorecard_pinned_dependencies",
"name": "OpenSSF Scorecard: Pinned-Dependencies",
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"status": "partial",
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]
},
{
"key": "ai_code_legibility",
"band": "good",
"name": "Code legibility for models",
"note": null,
"notes": [],
"value": 81,
"inputs": {
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"largest_source_bytes": 213376,
"source_files_sampled": 341,
"oversized_source_files": 8
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"components": [
{
"key": "type_checkable_code",
"name": "Type-checkable code",
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"points": 27,
"status": "partial",
"details": [
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"code": "typecheck_config_language",
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"files": "packages/zarr-metadata/src/zarr_metadata/py.typed, src/zarr/py.typed",
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}
],
"max_points": 45
},
{
"key": "manageable_file_sizes",
"name": "Manageable file sizes",
"detail": "8/341 source files over 60KB",
"points": 53.7,
"status": "partial",
"details": [
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"code": "oversized_source_files",
"params": {
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"sampled": 341,
"oversized": 8
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}
],
"max_points": 55
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]
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"description": "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."
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}Scores are signals, not warranties. They reflect publicly visible practices on GitHub — not a code audit, and not a security guarantee.
Missing data is excluded and weights renormalized, never scored as zero. Methodology is versioned and open: metrics v1.13.0, schema v0.12.0 — full methodology · metrics wiki.
How one result sits in the wider record: aggregate statistics — PyPI.