Public record
Software health reportschema 0.12.0 · metrics 1.13.0 · 2026-07-18 13:45 UTC

PyO3 / setuptools-rust

Setuptools plugin for Rust support

PythonMIT★ 677 stars⑂ 108 forkssince Mar 2017View on GitHub ↗

PyO3/setuptools-rust holds a health index of 71 out of 100, placing it in the Good band. It scores highest on Engineering Quality (82/100) and lowest on AI Readiness (53/100). It was last updated 15 days ago. 2 contributors account for most of its recent work.

71
overall / 100
Good

Software 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.

71
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)
VitalityCommunity &AdoptionSustainability &GovernanceEngineeringQualitySecurityAI Readiness

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

PyO3Organization
673 followers17 public repossince Apr 2017

This repository is backed by an organization — shared, accountable stewardship that can outlive any single maintainer.

Package ecosystems

RegistryPackageVersionDownloads / moVersionsLast publishTags
PyPIsetuptools-rust1.13.0-6620 days agodistutilssetuptoolsrust

Metrics by category

Vitality

Is the project alive — is code being written and are releases shipping?

78Good · 22% of overall
How it's scored
28.8/36Push recency — last push 15 days ago
13.2/36Commit cadence — 19/52 weeks with commits
15.5/18Commit volume — 52 commits in the last year
10/10OpenSSF Scorecard: Maintained — 12 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 10
Inputs used
commits_last_year52
human_commit_share
days_since_last_push15
active_weeks_last_year19
How it's scored
27/27Ships releases — 55 releases published
36/36Release recency — latest release 20 days ago
19.8/27Release cadence — a release every ~107.9 days
0/10OpenSSF Scorecard: Signed-Releases — no data
Inputs used
releases_count55
latest_release_tagv1.13.0
releases_from_tagsno
days_since_latest_release20
mean_days_between_releases107.9
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?

60Moderate · 18% of overall
How it's scored
45.9/60Stars — 677 stars
16.9/25Forks — 108 forks
5.8/15Watchers — 12 watchers
Inputs used
forks108
stars677
watchers12
growth_stateunverified
growth_factor_pct100
growth_unverified_reasonno_history
How it's scored
22.5/22.5README
22.5/22.5License — recognized license (MIT)
0/18CONTRIBUTING guide
0/13.5Code of conduct
0/7.2Issue template
0/6.3PR template
Inputs used
has_readmeyes
has_licenseyes
has_contributingno
has_issue_templateno
has_code_of_conductno
has_pull_request_templateno

Sustainability & Governance

Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?

77Good · 24% of overall
How it's scored
25.2/54Bus factor — 2 contributor(s) cover half of all commits
12.8/22.5Commit distribution — top contributor authored 43% of commits
13.5/13.5Contributor breadth — 56 contributors
10/10OpenSSF Scorecard: Contributors — project has 48 contributing companies or organizations
Inputs used
bus_factor2
contributors_sampled56
top_contributor_share0.429
How it's scored
44.6/46.8Issue resolution — 95% of issues closed
33.6/38.3PR acceptance — 410/467 decided PRs merged
4.5/15OpenSSF Scorecard: Code-Review — Found 4/12 approved changesets -- score normalized to 3
Inputs used
merged_prs410
open_issues6
closed_issues125
issue_closed_ratio0.954
closed_unmerged_prs57
How it's scored
30/30Ownership backing — organization-owned
0/20Verified domain
20.3/25Owner reach — 673 followers of PyO3
21.1/25Track record — 17 public repos, account ~9 yr old
Inputs used
followers673
owner_typeOrganization
is_verified
owner_loginPyO3
public_repos17
account_age_days3,367
How it's scored
25/25Published & resolvable — 1 package(s) on pypi
35/35Publish recency — latest publish 20 days ago
20/20Version history — 66 published versions
20/20Not deprecated — active, not deprecated or yanked
Inputs used
packagessetuptools-rust
ecosystemspypi
any_deprecatedno
min_days_since_publish20

Engineering Quality

Are baseline engineering and documentation practices in place?

82Good · 20% of overall
How it's scored
24/24CI workflows — 2 workflow(s)
24/24Tests present
16/16Linter config — .ruff.toml
0/9.6Pre-commit hooks
0/6.4.editorconfig
12/20OpenSSF Scorecard: CI-Tests — 20 out of 30 merged PRs checked by a CI test -- score normalized to 6
Inputs used
has_ciyes
has_testsyes
has_editorconfigno
has_linter_configyes
has_precommit_configno

Documentation

90Excellent
How it's scored
30/30README
25/25Documentation directory
15/15Documentation / homepage site — https://setuptools-rust.readthedocs.io
10/10Repository description
10/10Topics — 3 topics
0/10Wiki
Inputs used
topicspython, rust, setuptools
has_wikino
homepagehttps://setuptools-rust.readthedocs.io
has_readmeyes
has_docs_diryes
has_descriptionyes

Security

Are visible security and supply-chain practices strong, without unresolved high-risk jurisdiction exposure?

54Moderate · 16% of overall
How it's scored
7.5/7.5Binary-Artifacts — no binaries found in the repo
0/7.5Branch-Protection — branch protection not enabled on development/release branches
1.5/2.5CI-Tests — 20 out of 30 merged PRs checked by a CI test -- score normalized to 6
0/2.5CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected
2.2/7.5Code-Review — Found 4/12 approved changesets -- score normalized to 3
2.5/2.5Contributors — project has 48 contributing companies or organizations
10/10Dangerous-Workflow — no dangerous workflow patterns detected
7.5/7.5Dependency-Update-Tool — update tool detected
0/5Fuzzing — project is not fuzzed
2.5/2.5License — license file detected
7.5/7.5Maintained — 12 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 10
5/5Packaging — packaging workflow detected
0/5Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0
0/5SAST — SAST tool is not run on all commits -- score normalized to 0
0/5Security-Policy — security policy file not detected
0/7.5Signed-Releases — no data
0/7.5Token-Permissions — detected GitHub workflow tokens with excessive permissions
6/7.5Vulnerabilities — 2 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated17
scorecard_versionv5.5.0
checks_inconclusive1
scorecard_aggregate5.4
Excluded from scoring (no data or not applicable): 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.

53Moderate · 0% of overall
How it's scored
0/45Agent instructions — no CLAUDE.md / AGENTS.md / editor rules
0/15Machine-readable docs (llms.txt)
0/40Legible commit history — no data
Inputs used
has_llms_txtno
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
18/18One-command bootstrap — docs/Makefile, examples/generated-files/noxfile.py, examples/hello-world-script/noxfile.py, examples/hello-world-setuppy/noxfile.py, examples/hello-world/noxfile.py, examples/html-py-ever/noxfile.py, examples/namespace_package/noxfile.py, examples/rust_with_cffi/noxfile.py, noxfile.py
22/22Automated tests
11/11Lint / format config — .ruff.toml
11/11Static type checking — mypy.ini, setuptools_rust/py.typed
10/10Reproducible environment — Dockerfile, lockfile
0/10Demonstrated agent practice — no data
5/8Automated maintenance — dependency automation configured, none observed in the sampled commits
0/10OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0
Inputs used
has_nixno
has_testsyes
lockfilesCargo.lock, package-lock.json
has_dockerfileyes
typed_languageno
bootstrap_filesdocs/Makefile, examples/generated-files/noxfile.py, examples/hello-world-script/noxfile.py, examples/hello-world-setuppy/noxfile.py, examples/hello-world/noxfile.py, examples/html-py-ever/noxfile.py, examples/namespace_package/noxfile.py, examples/rust_with_cffi/noxfile.py, noxfile.py
has_devcontainerno
has_linter_configyes
typecheck_configsmypy.ini, setuptools_rust/py.typed
agent_commit_share
toolchain_manifests
dependency_bot_commit_share0
Excluded from scoring (no data or not applicable): Demonstrated agent practice. Remaining weights renormalized.
How it's scored
27/45Type-checkable code — Python with type-check config (mypy.ini, setuptools_rust/py.typed)
55/55Manageable file sizes — 0/54 source files over 60KB
Inputs used
primary_languagePython
largest_source_bytes37,362
source_files_sampled54
oversized_source_files0
How it's scored
0/40API schema (OpenAPI/GraphQL/proto)
0/20MCP server
40/40Runnable examples — examples
Inputs used
example_dirsexamples
has_mcp_signalno
api_schema_files

Key facts

677GitHub stars
56contributors
52commits, last 12 months
15days since last push
55releases
2bus factor
6open issues
npm, PyPIpackage ecosystems

More detail

OpenSSF Scorecard 5.4 / 10
5.4aggregate

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).Scorecard v5.5.0 · 2026-07-18 13:45 UTC

10Binary-Artifactsno binaries found in the repo
0Branch-Protectionbranch protection not enabled on development/release branches
6CI-Tests20 out of 30 merged PRs checked by a CI test -- score normalized to 6
0CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
3Code-ReviewFound 4/12 approved changesets -- score normalized to 3
10Contributorsproject has 48 contributing companies or organizations
10Dangerous-Workflowno dangerous workflow patterns detected
10Dependency-Update-Toolupdate tool detected
0Fuzzingproject is not fuzzed
10Licenselicense file detected
10Maintained12 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 10
10Packagingpackaging workflow detected
0Pinned-Dependenciesdependency not pinned by hash detected -- score normalized to 0
0SASTSAST tool is not run on all commits -- score normalized to 0
0Security-Policysecurity policy file not detected
n/aSigned-Releasesno releases found
0Token-Permissionsdetected GitHub workflow tokens with excessive permissions
8Vulnerabilities2 existing vulnerabilities detected
Direct dependencies 3
RegistryPackageVersion constraintManifest
npmpyodide^0.29.1emscripten/package.json
PyPIsetuptools>=62.4pyproject.toml
PyPIsemantic_version>=2.8.2,<3pyproject.toml
All dependencies 98

Full resolved dependency set from the GitHub dependency graph: 3 direct and 95 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

RegistryPackageVersionRelation
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Raw JSON report machine-readable
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                "max_points": 13.5
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                "key": "openssf_scorecard_contributors",
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                "max_points": 10
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            ]
          },
          {
            "key": "responsiveness",
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            "notes": [],
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              "merged_prs": 410,
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            "components": [
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                "key": "issue_resolution",
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                "points": 44.6,
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                    "code": "issues_closed_share",
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                "max_points": 46.75
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                "key": "pr_acceptance",
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                "max_points": 38.25
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                "key": "openssf_scorecard_code_review",
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                "points": 4.5,
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          {
            "key": "stewardship",
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            "notes": [],
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            "inputs": {
              "followers": 673,
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                "key": "ownership_backing",
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                "details": [
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                    "code": "owner_organization",
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                "max_points": 30
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              {
                "key": "verified_domain",
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                "points": 0,
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              },
              {
                "key": "owner_reach",
                "name": "Owner reach",
                "detail": "673 followers of PyO3",
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                "max_points": 25
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              {
                "key": "track_record",
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            "inputs": {
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              "ecosystems": "pypi",
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        ],
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                "key": "cii_best_practices",
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                "key": "code_review",
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                "key": "contributors",
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              {
                "key": "dangerous_workflow",
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              },
              {
                "key": "dependency_update_tool",
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              {
                "key": "fuzzing",
                "name": "Fuzzing",
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                "key": "license",
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              },
              {
                "key": "maintained",
                "name": "Maintained",
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                "points": 7.5,
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              {
                "key": "packaging",
                "name": "Packaging",
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                "details": [],
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              },
              {
                "key": "pinned_dependencies",
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              {
                "key": "sast",
                "name": "SAST",
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              },
              {
                "key": "security_policy",
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                "detail": "security policy file not detected",
                "points": 0,
                "status": "missed",
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              },
              {
                "key": "signed_releases",
                "name": "Signed-Releases",
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                "points": 0,
                "status": "excluded",
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                    "code": "no_data",
                    "params": {}
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                ],
                "max_points": 7.5
              },
              {
                "key": "token_permissions",
                "name": "Token-Permissions",
                "detail": "detected GitHub workflow tokens with excessive permissions",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 7.5
              },
              {
                "key": "vulnerabilities",
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                "points": 6,
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                "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": [
                "Russia",
                "Iran",
                "North Korea"
              ],
              "review_only_matches": 0,
              "assessed_self_published_locations": 8
            },
            "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": "moderate",
        "name": "AI Readiness",
        "value": 53,
        "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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                }
              },
              {
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                "params": {}
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            "value": 1,
            "inputs": {
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              "legible_history_share": null,
              "agent_instruction_files": [],
              "agent_instruction_max_bytes": null
            },
            "components": [
              {
                "key": "agent_instructions",
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                "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
              }
            ]
          },
          {
            "key": "ai_verify_loop",
            "band": "excellent",
            "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": [
                    "demonstrated_agent_practice"
                  ]
                }
              },
              {
                "code": "weights_renormalized",
                "params": {}
              }
            ],
            "value": 86,
            "inputs": {
              "has_nix": false,
              "has_tests": true,
              "lockfiles": [
                "Cargo.lock",
                "package-lock.json"
              ],
              "has_dockerfile": true,
              "typed_language": false,
              "bootstrap_files": [
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                "examples/generated-files/noxfile.py",
                "examples/hello-world-script/noxfile.py",
                "examples/hello-world-setuppy/noxfile.py",
                "examples/hello-world/noxfile.py",
                "examples/html-py-ever/noxfile.py",
                "examples/namespace_package/noxfile.py",
                "examples/rust_with_cffi/noxfile.py",
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              ],
              "has_devcontainer": false,
              "has_linter_config": true,
              "typecheck_configs": [
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              ],
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              "toolchain_manifests": [],
              "dependency_bot_commit_share": 0
            },
            "components": [
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                "status": "met",
                "details": [
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                    "code": "file_list",
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                    }
                  }
                ],
                "max_points": 18
              },
              {
                "key": "automated_tests",
                "name": "Automated tests",
                "detail": null,
                "points": 22,
                "status": "met",
                "details": [],
                "max_points": 22
              },
              {
                "key": "lint_format_config",
                "name": "Lint / format config",
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                "points": 11,
                "status": "met",
                "details": [
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                    "code": "file_list",
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                ],
                "max_points": 11
              },
              {
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                "status": "met",
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                "max_points": 11
              },
              {
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                "detail": "Dockerfile, lockfile",
                "points": 10,
                "status": "met",
                "details": [
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                    "code": "file_list",
                    "params": {
                      "files": "Dockerfile, lockfile"
                    }
                  }
                ],
                "max_points": 10
              },
              {
                "key": "demonstrated_agent_practice",
                "name": "Demonstrated agent practice",
                "detail": "no data",
                "points": 0,
                "status": "excluded",
                "details": [
                  {
                    "code": "no_data",
                    "params": {}
                  }
                ],
                "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": {}
                  }
                ],
                "max_points": 8
              },
              {
                "key": "openssf_scorecard_pinned_dependencies",
                "name": "OpenSSF Scorecard: Pinned-Dependencies",
                "detail": "dependency not pinned by hash detected -- score normalized to 0",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 10
              }
            ]
          },
          {
            "key": "ai_code_legibility",
            "band": "good",
            "name": "Code legibility for models",
            "note": null,
            "notes": [],
            "value": 82,
            "inputs": {
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              "largest_source_bytes": 37362,
              "source_files_sampled": 54,
              "oversized_source_files": 0
            },
            "components": [
              {
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                "status": "partial",
                "details": [
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                    }
                  }
                ],
                "max_points": 45
              },
              {
                "key": "manageable_file_sizes",
                "name": "Manageable file sizes",
                "detail": "0/54 source files over 60KB",
                "points": 55,
                "status": "met",
                "details": [
                  {
                    "code": "oversized_source_files",
                    "params": {
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                      "sampled": 54,
                      "oversized": 0
                    }
                  }
                ],
                "max_points": 55
              }
            ]
          },
          {
            "key": "ai_interfaces",
            "band": "at_risk",
            "name": "Machine-readable interfaces",
            "note": null,
            "notes": [],
            "value": 40,
            "inputs": {
              "example_dirs": [
                "examples"
              ],
              "has_mcp_signal": false,
              "api_schema_files": []
            },
            "components": [
              {
                "key": "api_schema_openapi_graphql_proto",
                "name": "API schema (OpenAPI/GraphQL/proto)",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 40
              },
              {
                "key": "mcp_server",
                "name": "MCP server",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 20
              },
              {
                "key": "runnable_examples",
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                "detail": "examples",
                "points": 40,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": "examples"
                    }
                  }
                ],
                "max_points": 40
              }
            ]
          }
        ],
        "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."
      }
    ],
    "metrics_version": "1.13.0"
  },
  "warnings": [],
  "report_type": "repository",
  "generated_at": "2026-07-18T13:45:39.796438Z",
  "schema_version": "0.12.0",
  "badge_url": "https://raw.githubusercontent.com/inspect-software/badges/main/v1/p/PyO3/setuptools-rust.svg",
  "full_name": "PyO3/setuptools-rust",
  "license_state": "standard",
  "license_spdx": "MIT"
}

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 statisticsPyPI.