Public recordModerate
Software health reportschema 0.14.0 · metrics 1.13.0 · 2026-07-19 07:17 UTC
schlegelp / fastcore-rs
Reimplementation of navis functions in Rust.
schlegelp/fastcore-rs holds a health index of 58 out of 100, placing it in the Moderate band. It scores highest on Engineering Quality (81/100) and lowest on Community & Adoption (33/100). It was last updated today. A single contributor accounts for most of its recent work.
58
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.
58
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
Philipp SchlegelPersonal account
86 followers46 public repossince Apr 2014University of Cambridge
This repository is owned by a personal account. A single-owner project carries more continuity risk than an organization-backed one.
Package ecosystems
| Registry | Package | Version | Downloads / mo | Versions | Last publish |
|---|---|---|---|---|---|
| PyPI | navis-fastcore | 0.7.1 | 4,689 | 19 | 0 days ago |
Metrics by category
Vitality
Is the project alive — is code being written and are releases shipping?
76
Development activity
66Moderate
How it's scored
| 36/36 | Push recency — last push 0 days ago |
| 4.2/36 | Commit cadence — 6/52 weeks with commits |
| 15.4/18 | Commit volume — 51 commits in the last year |
| 10/10 | OpenSSF Scorecard: Maintained — 30 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 10 |
Inputs used
| commits_last_year | 51 |
| human_commit_share | — |
| days_since_last_push | 0 |
| active_weeks_last_year | 6 |
Release discipline
92Excellent
How it's scored
| 27/27 | Ships releases — 18 releases published |
| 36/36 | Release recency — latest release 3 days ago |
| 19.8/27 | Release cadence — a release every ~58.2 days |
| 0/10 | OpenSSF Scorecard: Signed-Releases — no data |
Inputs used
| releases_count | 18 |
| latest_release_tag | v0.7.0 |
| releases_from_tags | no |
| days_since_latest_release | 3 |
| mean_days_between_releases | 58.2 |
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?
33
Popularity & adoption
1Critical
How it's scored
| 0/60 | Stars — 2 stars |
| 0/25 | Forks — 0 forks |
| 0/15 | Watchers — 1 watchers |
Inputs used
| forks | 0 |
| stars | 2 |
| watchers | 1 |
| growth_state | unverified |
| growth_factor_pct | 100 |
| growth_unverified_reason | no_history |
Community health
50Moderate
How it's scored
| 22.5/22.5 | README |
| 22.5/22.5 | License — recognized license (GPL-3.0) |
| 0/18 | CONTRIBUTING guide |
| 0/13.5 | Code of conduct |
| 0/7.2 | Issue template |
| 0/6.3 | PR template |
Inputs used
| has_readme | yes |
| has_license | yes |
| has_contributing | no |
| has_issue_template | no |
| has_code_of_conduct | no |
| has_pull_request_template | no |
Ecosystem adoption (downloads)
61Moderate
How it's scored
| 48.9/80 | Monthly downloads — 4,689 downloads/month across pypi |
| 0/20 | Registry dependents — not reported by this ecosystem |
Inputs used
| packages | navis-fastcore |
| dependents | — |
| ecosystems | pypi |
| total_downloads | — |
| monthly_downloads | 4,689 |
Excluded from scoring (no data or not applicable): Registry dependents. Remaining weights renormalized.
Sustainability & Governance
Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?
52
Maintainer resilience (bus factor)
16Critical
How it's scored
| 9/54 | Bus factor — 1 contributor(s) cover half of all commits |
| 0.8/22.5 | Commit distribution — top contributor authored 96% of commits |
| 2.7/13.5 | Contributor breadth — 2 contributors |
| 3/10 | OpenSSF Scorecard: Contributors — project has 1 contributing companies or organizations -- score normalized to 3 |
Inputs used
| bus_factor | 1 |
| contributors_sampled | 2 |
| top_contributor_share | 0.964 |
Issue & PR responsiveness
50Moderate
How it's scored
| 11.7/46.8 | Issue resolution — 25% of issues closed |
| 38.2/38.3 | PR acceptance — 3/3 decided PRs merged |
| 0/15 | OpenSSF Scorecard: Code-Review — Found 0/27 approved changesets -- score normalized to 0 |
Inputs used
| merged_prs | 3 |
| open_issues | 3 |
| closed_issues | 1 |
| issue_closed_ratio | 0.25 |
| closed_unmerged_prs | 0 |
Ownership & stewardship
60Moderate
How it's scored
| 10/30 | Ownership backing — personal (user) account |
| 0/20 | Verified domain — not applicable to user accounts |
| 13.9/25 | Owner reach — 86 followers of schlegelp |
| 24.2/25 | Track record — 46 public repos, account ~12 yr old |
Inputs used
| followers | 86 |
| owner_type | User |
| is_verified | — |
| owner_login | schlegelp |
| public_repos | 46 |
| account_age_days | 4,488 |
Excluded from scoring (no data or not applicable): Verified domain. Remaining weights renormalized.
Package maintenance
100Excellent
How it's scored
| 25/25 | Published & resolvable — 1 package(s) on pypi |
| 35/35 | Publish recency — latest publish 0 days ago |
| 20/20 | Version history — 19 published versions |
| 20/20 | Not deprecated — active, not deprecated or yanked |
Inputs used
| packages | navis-fastcore |
| ecosystems | pypi |
| any_deprecated | no |
| min_days_since_publish | 0 |
Engineering Quality
Are baseline engineering and documentation practices in place?
81
Engineering practices
68Moderate
How it's scored
| 24/24 | CI workflows — 3 workflow(s) |
| 24/24 | Tests present |
| 0/16 | Linter config |
| 0/9.6 | Pre-commit hooks |
| 0/6.4 | .editorconfig |
| 20/20 | OpenSSF Scorecard: CI-Tests — 1 out of 1 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 | no |
| has_precommit_config | no |
Documentation
100Excellent
How it's scored
| 30/30 | README |
| 25/25 | Documentation directory |
| 15/15 | Documentation / homepage site — https://schlegelp.github.io/fastcore-rs/ |
| 10/10 | Repository description |
| 10/10 | Topics — 4 topics |
| 10/10 | Wiki |
Inputs used
| topics | dag, navis, neurons, rust |
| has_wiki | yes |
| homepage | https://schlegelp.github.io/fastcore-rs/ |
| 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?
41
Security posture
41At risk
How it's scored
| 7.5/7.5 | Binary-Artifacts — no binaries found in the repo |
| 0/7.5 | Branch-Protection — branch protection not enabled on development/release branches |
| 2.5/2.5 | CI-Tests — 1 out of 1 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 |
| 0/7.5 | Code-Review — Found 0/27 approved changesets -- score normalized to 0 |
| 0.8/2.5 | Contributors — project has 1 contributing companies or organizations -- score normalized to 3 |
| 10/10 | Dangerous-Workflow — no dangerous workflow patterns detected |
| 0/7.5 | Dependency-Update-Tool — no 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 1 issue activity found in the last 90 days -- score normalized to 10 |
| 0/5 | Packaging — no data |
| 0/5 | Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0 |
| 0/5 | SAST — SAST tool is not run on all commits -- score normalized to 0 |
| 0/5 | Security-Policy — security policy file not detected |
| 0/7.5 | Signed-Releases — no data |
| 0/7.5 | Token-Permissions — detected GitHub workflow tokens with excessive permissions |
| 7.5/7.5 | Vulnerabilities — 0 existing vulnerabilities detected |
Inputs used
| source | openssf_scorecard |
| checks_evaluated | 16 |
| scorecard_version | v5.5.0 |
| checks_inconclusive | 2 |
| scorecard_aggregate | 4.1 |
Excluded from scoring (no data or not applicable): packaging, 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.
36
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 |
| 0/11 | Lint / format config |
| 11/11 | Static type checking — Rust (statically typed) |
| 0/10 | Reproducible environment |
| 0/10 | Demonstrated agent practice — no data |
| 0/8 | Automated maintenance — no data |
| 0/10 | OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0 |
Inputs used
| has_nix | no |
| has_tests | yes |
| lockfiles | — |
| has_dockerfile | no |
| typed_language | yes |
| bootstrap_files | — |
| has_devcontainer | no |
| has_linter_config | no |
| typecheck_configs | — |
| agent_commit_share | — |
| toolchain_manifests | — |
| dependency_bot_commit_share | — |
Excluded from scoring (no data or not applicable): Demonstrated agent practice, Automated maintenance. Remaining weights renormalized.
Code legibility for models
93Excellent
How it's scored
| 45/45 | Type-checkable code — Rust (statically typed) |
| 47.7/55 | Manageable file sizes — 7/53 source files over 60KB |
Inputs used
| primary_language | Rust |
| largest_source_bytes | 101,680 |
| source_files_sampled | 53 |
| oversized_source_files | 7 |
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
2GitHub stars
2contributors
51commits, last 12 months
0days since last push
18releases
1bus factor
3open issues
crates.io, PyPIpackage ecosystems
Data collection warnings
- Could not fetch crates package 'fastcore' from its registry
- Could not fetch crates package 'navis-fastcore' from its registry
More detail
OpenSSF Scorecard 4.1 / 10
4.1aggregate
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 |
| 0 | Branch-Protection | branch protection not enabled on development/release branches |
| 10 | CI-Tests | 1 out of 1 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 |
| 0 | Code-Review | Found 0/27 approved changesets -- score normalized to 0 |
| 3 | Contributors | project has 1 contributing companies or organizations -- score normalized to 3 |
| 10 | Dangerous-Workflow | no dangerous workflow patterns detected |
| 0 | Dependency-Update-Tool | no update tool detected |
| 0 | Fuzzing | project is not fuzzed |
| 10 | License | license file detected |
| 10 | Maintained | 30 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 10 |
| n/a | Packaging | packaging workflow not detected |
| 0 | Pinned-Dependencies | dependency not pinned by hash detected -- score normalized to 0 |
| 0 | SAST | SAST tool is not run on all commits -- score normalized to 0 |
| 0 | Security-Policy | security policy file not detected |
| n/a | Signed-Releases | no releases found |
| 0 | Token-Permissions | detected GitHub workflow tokens with excessive permissions |
| 10 | Vulnerabilities | 0 existing vulnerabilities detected |
Direct dependencies 27
| Registry | Package | Version constraint | Manifest |
|---|---|---|---|
| crates.io | rand | 0.8.4 | fastcore/Cargo.toml |
| crates.io | rayon | 1.8.0 | fastcore/Cargo.toml |
| crates.io | num | 0.4.3 | fastcore/Cargo.toml |
| crates.io | csv | 1.3.0 | fastcore/Cargo.toml |
| crates.io | dirs | 5.0.1 | fastcore/Cargo.toml |
| crates.io | itertools | 0.13.0 | fastcore/Cargo.toml |
| crates.io | indicatif | 0.17 | fastcore/Cargo.toml |
| crates.io | console | 0.15 | fastcore/Cargo.toml |
| crates.io | ndarray | 0.16 | fastcore/Cargo.toml |
| crates.io | ndarray_017 | 0.17 | fastcore/Cargo.toml |
| crates.io | half | 2 | fastcore/Cargo.toml |
| crates.io | shull | 0.3.0 | fastcore/Cargo.toml |
| crates.io | aann-graph | 0.2.0 | fastcore/Cargo.toml |
| crates.io | flate2 | 1 | fastcore/Cargo.toml |
| crates.io | rand | 0.8.4 | py/Cargo.toml |
| crates.io | numpy | =0.27.0 | py/Cargo.toml |
| crates.io | half | 2 | py/Cargo.toml |
| crates.io | ndarray | 0.16 | py/Cargo.toml |
| crates.io | rayon | 1.8.0 | py/Cargo.toml |
| crates.io | num | 0.4.0 | py/Cargo.toml |
| crates.io | csv | 1.3.0 | py/Cargo.toml |
| crates.io | dirs | 5.0.1 | py/Cargo.toml |
| crates.io | itertools | 0.13.0 | py/Cargo.toml |
| crates.io | rustc-hash | 2.1 | py/Cargo.toml |
| crates.io | fastcore | — | py/Cargo.toml |
| crates.io | pyo3 | 0.27 | py/Cargo.toml |
| PyPI | numpy | >=1.21.0 | py/pyproject.toml |
All dependencies 19
Full resolved dependency set from the GitHub dependency graph: 17 direct and 2 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.
| Registry | Package | Version | Relation |
|---|---|---|---|
| crates.io | aann-graph | — | direct |
| crates.io | console | — | direct |
| crates.io | csv | — | direct |
| crates.io | dirs | — | direct |
| crates.io | flate2 | — | direct |
| crates.io | half | — | direct |
| crates.io | indicatif | — | direct |
| crates.io | itertools | — | direct |
| crates.io | ndarray | — | direct |
| crates.io | num | — | direct |
| crates.io | numpy | 0.27.0 | direct |
| crates.io | pyo3 | — | direct |
| crates.io | rand | — | direct |
| crates.io | rayon | — | direct |
| crates.io | rustc-hash | — | direct |
| crates.io | shull | — | direct |
| PyPI | numpy | — | direct |
| crates.io | extendr-api | — | indirect |
| PyPI | maturin | — | indirect |
Raw JSON report machine-readable
{
"data": {
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"dag",
"navis",
"neurons",
"rust"
],
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"size_kb": 2315,
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"languages": {
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"R": 70586,
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"Python": 264439
},
"pushed_at": "2026-07-19T07:12:38Z",
"created_at": "2023-11-28T15:29:30Z",
"owner_type": "User",
"updated_at": "2026-07-19T07:05:54Z",
"description": "Reimplementation of navis functions in Rust.",
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"Programming Language :: Python :: 3.10",
"Programming Language :: Python :: 3.11",
"Programming Language :: Python :: 3.12",
"Programming Language :: Python :: 3.13",
"Programming Language :: Python :: 3.9",
"Programming Language :: Python :: Free Threading :: 2 - Beta",
"Programming Language :: Rust"
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"versions_count": 19,
"total_downloads": null,
"dependents_count": null,
"deprecation_note": null,
"maintainers_count": null,
"monthly_downloads": 4689,
"first_published_at": "2024-06-22T14:30:59.640817Z",
"latest_published_at": "2026-07-19T07:17:06.261682Z",
"latest_version_yanked": null,
"days_since_latest_publish": 0
}
]
},
"popularity": {
"forks": 0,
"stars": 2,
"watchers": 1,
"open_issues_and_prs": 3
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"ai_readiness": {
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"example_dirs": [
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],
"has_llms_txt": false,
"has_dockerfile": false,
"has_mcp_signal": false,
"bootstrap_files": [],
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"typecheck_configs": [],
"largest_source_bytes": 101680,
"source_files_sampled": 53,
"oversized_source_files": 7,
"agent_instruction_files": [],
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"version_constraint": "0.2.0"
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"version_constraint": "1"
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{
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{
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"ecosystem": "crates",
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{
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"version_constraint": "1.3.0"
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"version_constraint": ">=1.21.0"
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{
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{
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{
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{
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{
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{
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{
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{
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{
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"avatar_url": "https://avatars.githubusercontent.com/u/7161148?v=4"
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{
"type": "Bot",
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{
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"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#binary-artifacts"
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{
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"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#branch-protection"
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{
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{
"name": "CII-Best-Practices",
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"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#cii-best-practices"
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{
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{
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"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#contributors"
},
{
"name": "Dangerous-Workflow",
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"reason": "no dangerous workflow patterns detected",
"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#dangerous-workflow"
},
{
"name": "Dependency-Update-Tool",
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"reason": "no update tool detected",
"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#dependency-update-tool"
},
{
"name": "Fuzzing",
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"reason": "project is not fuzzed",
"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#fuzzing"
},
{
"name": "License",
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"reason": "license file detected",
"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#license"
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{
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"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#maintained"
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{
"name": "Packaging",
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"reason": "packaging workflow not detected",
"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#packaging"
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{
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"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#pinned-dependencies"
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{
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"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#sast"
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{
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"reason": "security policy file not detected",
"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#security-policy"
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{
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"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#signed-releases"
},
{
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"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#token-permissions"
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{
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"reason": "0 existing vulnerabilities detected",
"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#vulnerabilities"
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},
"config": {
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"source": {
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"components": []
},
"categories": [
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"metrics": [
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"key": "development_activity",
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"note": null,
"notes": [],
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"components": [
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{
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"key": "openssf_scorecard_maintained",
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"components": [
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{
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{
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"metrics": [
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"code": "stars",
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],
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{
"key": "forks",
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"details": [
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"code": "forks",
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}
],
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{
"key": "watchers",
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],
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]
},
{
"key": "community_health",
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"note": null,
"notes": [],
"value": 50,
"inputs": {
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"components": [
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"key": "readme",
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"detail": null,
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{
"key": "license",
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"detail": "recognized license (GPL-3.0)",
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"details": [
{
"code": "license_standard",
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{
"code": "license_spdx",
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{
"key": "contributing_guide",
"name": "CONTRIBUTING guide",
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"points": 0,
"status": "missed",
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{
"key": "code_of_conduct",
"name": "Code of conduct",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
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{
"key": "issue_template",
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"points": 0,
"status": "missed",
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{
"key": "pr_template",
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"status": "missed",
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"key": "ecosystem_adoption",
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"note": "Excluded from scoring (no data or not applicable): Registry dependents. Remaining weights renormalized.",
"notes": [
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"code": "excluded_no_data",
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"components": [
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},
{
"code": "weights_renormalized",
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],
"value": 61,
"inputs": {
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"dependents": null,
"ecosystems": "pypi",
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"monthly_downloads": 4689
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"components": [
{
"key": "monthly_downloads",
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"points": 48.9,
"status": "partial",
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}
],
"max_points": 80
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{
"key": "registry_dependents",
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"points": 0,
"status": "excluded",
"details": [
{
"code": "not_reported_by_this_ecosystem",
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],
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]
}
],
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{
"key": "governance",
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"value": 52,
"weight": 0.24,
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"key": "maintainer_resilience",
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"components": [
{
"key": "bus_factor",
"name": "Bus factor",
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"points": 9,
"status": "partial",
"details": [
{
"code": "bus_factor",
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}
],
"max_points": 54
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{
"key": "commit_distribution",
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"detail": "top contributor authored 96% of commits",
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"status": "partial",
"details": [
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"code": "top_contributor_share",
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],
"max_points": 22.5
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{
"key": "contributor_breadth",
"name": "Contributor breadth",
"detail": "2 contributors",
"points": 2.7,
"status": "partial",
"details": [
{
"code": "contributors_sampled",
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],
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{
"key": "openssf_scorecard_contributors",
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"status": "partial",
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]
},
{
"key": "responsiveness",
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"notes": [],
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"inputs": {
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"components": [
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{
"key": "pr_acceptance",
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{
"key": "openssf_scorecard_code_review",
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]
},
{
"key": "stewardship",
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"value": 60,
"inputs": {
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"components": [
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],
"max_points": 30
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{
"key": "verified_domain",
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"status": "excluded",
"details": [
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"code": "not_applicable_to_user_accounts",
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],
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{
"key": "owner_reach",
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{
"key": "track_record",
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"points": 24.2,
"status": "partial",
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]
},
{
"key": "package_maintenance",
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"notes": [],
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"inputs": {
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],
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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 v0.14.0 — full methodology · metrics wiki.
How one result sits in the wider record: aggregate statistics — PyPI.