Public recordModerate
Software health reportschema 0.27.0 · metrics 1.13.0 · 2026-07-22 23:53 UTC
servo / rust-smallvec
"Small vector" optimization for Rust: store up to a small number of items on the stack
servo/rust-smallvec holds a health index of 64 out of 100, placing it in the Moderate band. It scores highest on Sustainability & Governance (83/100) and lowest on AI Readiness (49/100). It was last updated 41 days ago. 4 contributors account for most of its recent work.
64
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.
64
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
ServoOrganization
1,249 followers193 public repossince Oct 2012
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 |
|---|---|---|---|---|---|---|
| crates.io | smallvec | 1.15.2 | 73,639,780 | 77 | 41 days ago | vectorvecstackno-stdsmalldata-structures |
Metrics by category
Vitality
Is the project alive — is code being written and are releases shipping?
55
Development activity
30At risk
How it's scored
| 18/36 | Push recency — last push 41 days ago |
| 4.2/36 | Commit cadence — 6/52 weeks with commits |
| 7.6/18 | Commit volume — 6 commits in the last year |
| 0/10 | OpenSSF Scorecard: Maintained — 0 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 0 |
Inputs used
| commits_last_year | 6 |
| human_commit_share | 1 |
| days_since_last_push | 41 |
| active_weeks_last_year | 6 |
Release discipline
92Excellent
How it's scored
| 27/27 | Ships releases — 66 releases published |
| 36/36 | Release recency — latest release 41 days ago |
| 19.8/27 | Release cadence — a release every ~76.1 days |
| 0/10 | OpenSSF Scorecard: Signed-Releases — no data |
Inputs used
| releases_count | 66 |
| latest_release_tag | v1.15.2 |
| releases_from_tags | no |
| days_since_latest_release | 41 |
| mean_days_between_releases | 76.1 |
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?
74
Popularity & adoption
79Good
How it's scored
| 52.3/60 | Stars — 1,674 stars |
| 18.9/25 | Forks — 184 forks |
| 7.8/15 | Watchers — 26 watchers |
Inputs used
| forks | 184 |
| stars | 1,674 |
| watchers | 26 |
| 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 (Apache-2.0) |
| 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)
100Excellent
How it's scored
| 80/80 | Monthly downloads — 73,639,780 downloads/month across crates |
| 0/20 | Registry dependents — not reported by this ecosystem |
Inputs used
| packages | smallvec |
| dependents | — |
| ecosystems | crates |
| total_downloads | 996,894,281 |
| monthly_downloads | 73,639,780 |
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?
83
How it's scored
| 43.2/54 | Bus factor — 4 contributor(s) cover half of all commits |
| 15.8/22.5 | Commit distribution — top contributor authored 30% of commits |
| 13.5/13.5 | Contributor breadth — 88 contributors |
| 10/10 | OpenSSF Scorecard: Contributors — project has 21 contributing companies or organizations |
Inputs used
| bus_factor | 4 |
| contributors_sampled | 88 |
| top_contributor_share | 0.298 |
How it's scored
| 30.9/46.8 | Issue resolution — 66% of issues closed |
| 34.8/38.3 | PR acceptance — 251/276 decided PRs merged |
| 9/15 | OpenSSF Scorecard: Code-Review — Found 20/30 approved changesets -- score normalized to 6 |
Inputs used
| merged_prs | 251 |
| open_issues | 43 |
| closed_issues | 84 |
| issue_closed_ratio | 0.661 |
| closed_unmerged_prs | 25 |
Ownership & stewardship
77Good
How it's scored
| 30/30 | Ownership backing — organization-owned |
| 0/20 | Verified domain |
| 22.3/25 | Owner reach — 1,249 followers of servo |
| 25/25 | Track record — 193 public repos, account ~13 yr old |
Inputs used
| followers | 1,249 |
| owner_type | Organization |
| is_verified | — |
| owner_login | servo |
| public_repos | 193 |
| account_age_days | 5,028 |
Package maintenance
100Excellent
How it's scored
| 25/25 | Published & resolvable — 1 package(s) on crates |
| 35/35 | Publish recency — latest publish 41 days ago |
| 20/20 | Version history — 77 published versions |
| 20/20 | Not deprecated — active, not deprecated or yanked |
Inputs used
| packages | smallvec |
| ecosystems | crates |
| any_deprecated | no |
| min_days_since_publish | 41 |
Engineering Quality
Are baseline engineering and documentation practices in place?
51
Engineering practices
52Moderate
How it's scored
| 24/24 | CI workflows — 1 workflow(s) |
| 24/24 | Tests present |
| 0/16 | Linter config |
| 0/9.6 | Pre-commit hooks |
| 0/6.4 | .editorconfig |
| 4/20 | OpenSSF Scorecard: CI-Tests — 5 out of 20 merged PRs checked by a CI test -- score normalized to 2 |
Inputs used
| has_ci | yes |
| has_tests | yes |
| has_editorconfig | no |
| has_linter_config | no |
| has_precommit_config | no |
Documentation
50Moderate
How it's scored
| 30/30 | README |
| 0/25 | Documentation directory |
| 0/15 | Documentation / homepage site |
| 10/10 | Repository description |
| 0/10 | Topics |
| 10/10 | Wiki |
Inputs used
| topics | — |
| has_wiki | yes |
| homepage | — |
| has_readme | yes |
| has_docs_dir | no |
| has_description | yes |
Security
Are visible security and supply-chain practices strong, without unresolved high-risk jurisdiction exposure?
50
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 — no data |
| 0.5/2.5 | CI-Tests — 5 out of 20 merged PRs checked by a CI test -- score normalized to 2 |
| 0/2.5 | CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected |
| 4.5/7.5 | Code-Review — Found 20/30 approved changesets -- score normalized to 6 |
| 2.5/2.5 | Contributors — project has 21 contributing companies or organizations |
| 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 |
| 0/7.5 | Maintained — 0 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 0 |
| 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 | 15 |
| scorecard_version | v5.5.0 |
| checks_inconclusive | 3 |
| scorecard_aggregate | 4.1 |
Excluded from scoring (no data or not applicable): branch_protection, packaging, signed_releases. Remaining weights renormalized.
Dependency advisories
84Good
How it's scored
| 24.7/35 | Direct dependencies free of known advisories — 2 affected: bincode 1.3.3 (unknown), bincode 2.0.1 (unknown) |
| 25/25 | Indirect dependencies free of known advisories — no indirect dependency carries a known advisory |
| 34.8/40 | No advisories left outstanding — 2 advisory-carrying package(s) unaddressed past 90 days; oldest published 218 days ago |
Inputs used
| source | osv |
| advisories | 2 |
| affected_packages | 2 |
| assessed_packages | 20 |
| unassessed_packages | 0 |
| affected_by_severity | unknown 2 |
| direct_affected_packages | 2 |
Matched the crates:smallvec@1.15.2 runtime dependency closure — what installing the published package pulls in — 20 packages. Reachability is not analyzed.
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
33At risk
How it's scored
| 0/45 | Agent instructions — no CLAUDE.md / AGENTS.md / editor rules |
| 0/15 | Machine-readable docs (llms.txt) |
| 33.1/40 | Legible commit history — 62 of 100 human commits state their intent (structured subject or explanatory body) |
Inputs used
| has_llms_txt | no |
| legible_history_share | 0.62 |
| agent_instruction_files | — |
| agent_instruction_max_bytes | — |
How it's scored
| 12.6/18 | One-command bootstrap — Cargo.toml, fuzz/Cargo.toml (toolchain convention, no task runner) |
| 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 agent-authored commits among the last 100 |
| 0/8 | Automated maintenance — no automated dependency updates observed |
| 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 | 0 |
| toolchain_manifests | Cargo.toml, fuzz/Cargo.toml |
| dependency_bot_commit_share | 0 |
Code legibility for models
89Excellent
How it's scored
| 45/45 | Type-checkable code — Rust (statically typed) |
| 44/55 | Manageable file sizes — 1/5 source files over 60KB |
Inputs used
| primary_language | Rust |
| largest_source_bytes | 97,186 |
| source_files_sampled | 5 |
| oversized_source_files | 1 |
Key facts
1,674GitHub stars
88contributors
6commits, last 12 months
41days since last push
66releases
4bus factor
43open issues
crates.iopackage ecosystems
Data collection warnings
- Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token
More detail
Star and fork history 0 ★ / 184 ⇿
0Stars
184Forks
66Releases
When each star and fork was added, collected from GitHub and bucketed by day. Cumulative growth sits directly above the daily additions it is made of, so the two read against each other: steady organic accretion looks nothing like an abrupt, short-lived burst. Where that difference is measurable, it is reported as growth authenticity.
Major 1Minor 19Patch 35
Each point covers 11 days.
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 |
| 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 |
| 2 | CI-Tests | 5 out of 20 merged PRs checked by a CI test -- score normalized to 2 |
| 0 | CII-Best-Practices | no effort to earn an OpenSSF best practices badge detected |
| 6 | Code-Review | Found 20/30 approved changesets -- score normalized to 6 |
| 10 | Contributors | project has 21 contributing companies or organizations |
| 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 |
| 0 | Maintained | 0 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 0 |
| 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 3
| Registry | Package | Version constraint | Manifest |
|---|---|---|---|
| crates.io | bytes | 1 | Cargo.toml |
| crates.io | serde_core | 1.0.221 | Cargo.toml |
| crates.io | malloc_size_of | 0.1.1 | Cargo.toml |
All dependencies 41
Full resolved dependency set from the GitHub dependency graph: 3 direct and 38 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.
| Registry | Package | Version | Relation |
|---|---|---|---|
| crates.io | bytes | — | direct |
| crates.io | malloc_size_of | — | direct |
| crates.io | serde_core | — | direct |
| crates.io | afl | 0.4.4 | indirect |
| crates.io | ansi_term | 0.12.1 | indirect |
| crates.io | arbitrary | 1.3.0 | indirect |
| crates.io | atty | 0.2.14 | indirect |
| crates.io | bincode | — | indirect |
| crates.io | bitflags | 1.3.2 | indirect |
| crates.io | cc | 1.0.79 | indirect |
| crates.io | clap | 2.34.0 | indirect |
| crates.io | hermit-abi | 0.1.19 | indirect |
| crates.io | home | 0.5.5 | indirect |
| crates.io | honggfuzz | 0.5.55 | indirect |
| crates.io | lazy_static | 1.4.0 | indirect |
| crates.io | libc | 0.2.146 | indirect |
| crates.io | memmap2 | 0.5.10 | indirect |
| crates.io | rustc_version | 0.2.3 | indirect |
| crates.io | rustc_version | 0.4.0 | indirect |
| crates.io | semver | 0.9.0 | indirect |
| crates.io | semver | 1.0.17 | indirect |
| crates.io | semver-parser | 0.7.0 | indirect |
| crates.io | smallvec | 1.10.0 | indirect |
| crates.io | smallvec-fuzz | 0.1.0 | indirect |
| crates.io | strsim | 0.8.0 | indirect |
| crates.io | textwrap | 0.11.0 | indirect |
| crates.io | unicode-width | 0.1.10 | indirect |
| crates.io | vec_map | 0.8.2 | indirect |
| crates.io | winapi | 0.3.9 | indirect |
| crates.io | winapi-i686-pc-windows-gnu | 0.4.0 | indirect |
| crates.io | winapi-x86_64-pc-windows-gnu | 0.4.0 | indirect |
| crates.io | windows-sys | 0.48.0 | indirect |
| crates.io | windows-targets | 0.48.0 | indirect |
| crates.io | windows_aarch64_gnullvm | 0.48.0 | indirect |
| crates.io | windows_aarch64_msvc | 0.48.0 | indirect |
| crates.io | windows_i686_gnu | 0.48.0 | indirect |
| crates.io | windows_i686_msvc | 0.48.0 | indirect |
| crates.io | windows_x86_64_gnu | 0.48.0 | indirect |
| crates.io | windows_x86_64_gnullvm | 0.48.0 | indirect |
| crates.io | windows_x86_64_msvc | 0.48.0 | indirect |
| crates.io | xdg | 2.5.0 | indirect |
Dependency advisories 2
Installing crates:smallvec@1.15.2 pulls in 20 packages, direct and transitive: 2 carry known advisories, of which 2 are direct dependencies.
| Package | Version | Relation | Severity | Advisories | Fixed in |
|---|---|---|---|---|---|
| bincode | 1.3.3 | direct | unknown | 1 | — |
| bincode | 2.0.1 | direct | unknown | 1 | — |
An advisory means the version recorded in the dependency graph falls inside an advisory’s affected range. Reachability is not analysed, and the graph includes development and test pins — a finding may concern tooling rather than shipped software.
Raw JSON report machine-readable
{
"data": {
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},
"pushed_at": "2026-06-11T20:52:24Z",
"created_at": "2015-04-05T21:42:27Z",
"owner_type": "Organization",
"updated_at": "2026-07-20T10:38:55Z",
"description": "\"Small vector\" optimization for Rust: store up to a small number of items on the stack",
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"activity": {
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},
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},
{
"tag": "v1.11.1",
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"published_at": "2023-09-20T17:23:48Z"
},
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{
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"kind": "patch",
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},
{
"tag": "v1.5.0",
"kind": "minor",
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},
{
"tag": "v1.4.2",
"kind": "patch",
"published_at": "2020-08-11T23:15:05Z"
},
{
"tag": "v1.4.1",
"kind": "patch",
"published_at": "2020-07-07T03:46:04Z"
},
{
"tag": "v1.4.0",
"kind": "minor",
"published_at": "2020-04-25T17:42:03Z"
},
{
"tag": "v1.3.0",
"kind": "minor",
"published_at": "2020-04-08T21:37:23Z"
},
{
"tag": "v1.2.0",
"kind": "minor",
"published_at": "2020-01-29T16:47:54Z"
},
{
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"kind": "minor",
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},
{
"tag": "v1.0.0",
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"kind": "patch",
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},
{
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"kind": "patch",
"published_at": "2019-10-28T22:51:10Z"
},
{
"tag": "v0.6.10",
"kind": "patch",
"published_at": "2019-10-28T22:49:06Z"
},
{
"tag": "v0.6.9",
"kind": "patch",
"published_at": "2019-02-19T18:03:27Z"
},
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"body": "By skipping the call to `copy` with a zero length. This makes it closer\nto `push`. This speeds up rustc (which uses `SmallVec` extensively) by\n2% on one benchmark.\n\nAlso clarify the panic condition.",
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"body": "Fix all problems encounted with Miri -Ztag-raw-pointers\n\nI poked at this crate with `-Zmiri-tag-raw-pointers` before, and I was unable to fix what I found (I just added a test case that ruled out one of my wrong ideas https://github.com/servo/rust-smallvec/pull/271). I tried again just now and I gue\n[…]\nas`. But perhaps given how subtle this codebase is overall, it would be best to run the tools on their pickiest settings, even if there are a few things more like a false positive than a real problem.",
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"body": "Previously, the test suite only had one trip through the tail-shifting\ncode in Drain::drop, and that is in the heap state.\nIn the current implementation, a tail-shifting drain while in the inline\nstate produces potentially dangerous aliasing which is currently\naccepted by default Miri and rejected with -Ztrack-raw-pointers.\n\nAdding this test case ensures that if this ever becomes an actual\nproblem it will be easy to find.",
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"body": "Thanks!",
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"headline": "Include the cost of shifts in insert/remove benchmarks (#268)",
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"name": "README",
"detail": null,
"points": 22.5,
"status": "met",
"details": [],
"max_points": 22.5
},
{
"key": "license",
"name": "License",
"detail": "recognized license (Apache-2.0)",
"points": 22.5,
"status": "met",
"details": [
{
"code": "license_standard",
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},
{
"code": "license_spdx",
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"spdx": "Apache-2.0"
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}
],
"max_points": 22.5
},
{
"key": "contributing_guide",
"name": "CONTRIBUTING guide",
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"points": 0,
"status": "missed",
"details": [],
"max_points": 18
},
{
"key": "code_of_conduct",
"name": "Code of conduct",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 13.5
},
{
"key": "issue_template",
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"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 7.2
},
{
"key": "pr_template",
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"status": "missed",
"details": [],
"max_points": 6.3
}
]
},
{
"key": "ecosystem_adoption",
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"notes": [
{
"code": "excluded_no_data",
"params": {
"components": [
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]
}
},
{
"code": "weights_renormalized",
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}
],
"value": 100,
"inputs": {
"packages": [
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"dependents": null,
"ecosystems": "crates",
"total_downloads": 996894281,
"monthly_downloads": 73639780
},
"components": [
{
"key": "monthly_downloads",
"name": "Monthly downloads",
"detail": "73,639,780 downloads/month across crates",
"points": 80,
"status": "met",
"details": [
{
"code": "downloads_monthly",
"params": {
"count": 73639780,
"ecosystems": "crates"
}
}
],
"max_points": 80
},
{
"key": "registry_dependents",
"name": "Registry dependents",
"detail": "not reported by this ecosystem",
"points": 0,
"status": "excluded",
"details": [
{
"code": "not_reported_by_this_ecosystem",
"params": {}
}
],
"max_points": 20
}
]
}
],
"description": "Does the project have users, downloads, attention, and a welcoming setup for contributors?"
},
{
"key": "governance",
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"name": "Sustainability & Governance",
"value": 83,
"weight": 0.24,
"metrics": [
{
"key": "maintainer_resilience",
"band": "good",
"name": "Maintainer resilience (bus factor)",
"note": null,
"notes": [],
"value": 82,
"inputs": {
"bus_factor": 4,
"contributors_sampled": 88,
"top_contributor_share": 0.298
},
"components": [
{
"key": "bus_factor",
"name": "Bus factor",
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"points": 43.2,
"status": "partial",
"details": [
{
"code": "bus_factor",
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"count": 4
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}
],
"max_points": 54
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{
"key": "commit_distribution",
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"status": "partial",
"details": [
{
"code": "top_contributor_share",
"params": {
"share": 30
}
}
],
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},
{
"key": "contributor_breadth",
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"points": 13.5,
"status": "met",
"details": [
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"code": "contributors_sampled",
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"count": 88
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}
],
"max_points": 13.5
},
{
"key": "openssf_scorecard_contributors",
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"points": 10,
"status": "met",
"details": [],
"max_points": 10
}
]
},
{
"key": "responsiveness",
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"name": "Issue & PR responsiveness",
"note": null,
"notes": [],
"value": 75,
"inputs": {
"merged_prs": 251,
"open_issues": 43,
"closed_issues": 84,
"issue_closed_ratio": 0.661,
"closed_unmerged_prs": 25
},
"components": [
{
"key": "issue_resolution",
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"status": "partial",
"details": [
{
"code": "issues_closed_share",
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}
}
],
"max_points": 46.75
},
{
"key": "pr_acceptance",
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"detail": "251/276 decided PRs merged",
"points": 34.8,
"status": "partial",
"details": [
{
"code": "decided_prs_merged",
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"merged": 251,
"decided": 276
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}
],
"max_points": 38.25
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{
"key": "openssf_scorecard_code_review",
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"points": 9,
"status": "partial",
"details": [],
"max_points": 15
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]
},
{
"key": "stewardship",
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"note": null,
"notes": [],
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"inputs": {
"followers": 1249,
"owner_type": "Organization",
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"owner_login": "servo",
"public_repos": 193,
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"details": [
{
"code": "owner_organization",
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}
],
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{
"key": "verified_domain",
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},
{
"key": "owner_reach",
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"details": [
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"code": "owner_followers",
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}
],
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},
{
"key": "track_record",
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"status": "met",
"details": [
{
"code": "public_repos",
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"count": 193
}
},
{
"code": "account_age_years",
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"years": 13
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}
],
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]
},
{
"key": "package_maintenance",
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"notes": [],
"value": 100,
"inputs": {
"packages": [
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"ecosystems": "crates",
"any_deprecated": false,
"min_days_since_publish": 41
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"components": [
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"key": "published_resolvable",
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"details": [
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"code": "packages_published",
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"count": 1,
"ecosystems": "crates"
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}
],
"max_points": 25
},
{
"key": "publish_recency",
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"detail": "latest publish 41 days ago",
"points": 35,
"status": "met",
"details": [
{
"code": "publish_recency",
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"days": 41
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}
],
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{
"key": "version_history",
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"detail": "77 published versions",
"points": 20,
"status": "met",
"details": [
{
"code": "published_versions",
"params": {
"count": 77
}
}
],
"max_points": 20
},
{
"key": "not_deprecated",
"name": "Not deprecated",
"detail": "active, not deprecated or yanked",
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"status": "met",
"details": [
{
"code": "package_not_deprecated",
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}
],
"max_points": 20
}
]
}
],
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},
{
"key": "engineering",
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"name": "Engineering Quality",
"value": 51,
"weight": 0.2,
"metrics": [
{
"key": "engineering_practices",
"band": "moderate",
"name": "Engineering practices",
"note": null,
"notes": [],
"value": 52,
"inputs": {
"has_ci": true,
"has_tests": true,
"has_editorconfig": false,
"has_linter_config": false,
"has_precommit_config": false
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"components": [
{
"key": "ci_workflows",
"name": "CI workflows",
"detail": "1 workflow(s)",
"points": 24,
"status": "met",
"details": [
{
"code": "ci_workflows",
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"count": 1
}
}
],
"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": 0,
"status": "missed",
"details": [],
"max_points": 16
},
{
"key": "pre_commit_hooks",
"name": "Pre-commit hooks",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 9.6
},
{
"key": "editorconfig",
"name": ".editorconfig",
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"points": 0,
"status": "missed",
"details": [],
"max_points": 6.4
},
{
"key": "openssf_scorecard_ci_tests",
"name": "OpenSSF Scorecard: CI-Tests",
"detail": "5 out of 20 merged PRs checked by a CI test -- score normalized to 2",
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"status": "partial",
"details": [],
"max_points": 20
}
]
},
{
"key": "documentation",
"band": "moderate",
"name": "Documentation",
"note": null,
"notes": [],
"value": 50,
"inputs": {
"topics": [],
"has_wiki": true,
"homepage": null,
"has_readme": true,
"has_docs_dir": false,
"has_description": true
},
"components": [
{
"key": "readme",
"name": "README",
"detail": null,
"points": 30,
"status": "met",
"details": [],
"max_points": 30
},
{
"key": "documentation_directory",
"name": "Documentation directory",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 25
},
{
"key": "documentation_homepage_site",
"name": "Documentation / homepage site",
"detail": null,
"points": 0,
"status": "missed",
"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": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 10
},
{
"key": "wiki",
"name": "Wiki",
"detail": null,
"points": 10,
"status": "met",
"details": [],
"max_points": 10
}
]
}
],
"description": "Are baseline engineering and documentation practices in place?"
},
{
"key": "security",
"band": "moderate",
"name": "Security",
"value": 50,
"weight": 0.16,
"metrics": [
{
"key": "security_posture",
"band": "at_risk",
"name": "Security posture",
"note": "Excluded from scoring (no data or not applicable): Branch-Protection, Packaging, Signed-Releases. Remaining weights renormalized.",
"notes": [
{
"code": "excluded_no_data",
"params": {
"components": [
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"packaging",
"signed_releases"
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}
},
{
"code": "weights_renormalized",
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}
],
"value": 41,
"inputs": {
"source": "openssf_scorecard",
"checks_evaluated": 15,
"scorecard_version": "v5.5.0",
"checks_inconclusive": 3,
"scorecard_aggregate": 4.1
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"components": [
{
"key": "binary_artifacts",
"name": "Binary-Artifacts",
"detail": "no binaries found in the repo",
"points": 7.5,
"status": "met",
"details": [],
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},
{
"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",
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"status": "excluded",
"details": [
{
"code": "no_data",
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}
],
"max_points": 7.5
},
{
"key": "ci_tests",
"name": "CI-Tests",
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"points": 0.5,
"status": "partial",
"details": [],
"max_points": 2.5
},
{
"key": "cii_best_practices",
"name": "CII-Best-Practices",
"detail": "no effort to earn an OpenSSF best practices badge detected",
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"status": "missed",
"details": [],
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},
{
"key": "code_review",
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"status": "partial",
"details": [],
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},
{
"key": "contributors",
"name": "Contributors",
"detail": "project has 21 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": "no update tool detected",
"points": 0,
"status": "missed",
"details": [],
"max_points": 7.5
},
{
"key": "fuzzing",
"name": "Fuzzing",
"detail": "project is not fuzzed",
"points": 0,
"status": "missed",
"details": [],
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},
{
"key": "license",
"name": "License",
"detail": "license file detected",
"points": 2.5,
"status": "met",
"details": [],
"max_points": 2.5
},
{
"key": "maintained",
"name": "Maintained",
"detail": "0 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 0",
"points": 0,
"status": "missed",
"details": [],
"max_points": 7.5
},
{
"key": "packaging",
"name": "Packaging",
"detail": "packaging workflow not detected",
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"status": "excluded",
"details": [
{
"code": "no_data",
"params": {}
}
],
"max_points": 5
},
{
"key": "pinned_dependencies",
"name": "Pinned-Dependencies",
"detail": "dependency not pinned by hash detected -- score normalized to 0",
"points": 0,
"status": "missed",
"details": [],
"max_points": 5
},
{
"key": "sast",
"name": "SAST",
"detail": "SAST tool is not run on all commits -- score normalized to 0",
"points": 0,
"status": "missed",
"details": [],
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},
{
"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",
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"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": 0,
"status": "missed",
"details": [],
"max_points": 7.5
},
{
"key": "vulnerabilities",
"name": "Vulnerabilities",
"detail": "0 existing vulnerabilities detected",
"points": 7.5,
"status": "met",
"details": [],
"max_points": 7.5
}
]
},
{
"key": "dependency_advisories",
"band": "good",
"name": "Dependency advisories",
"note": "Matched the crates:smallvec@1.15.2 runtime dependency closure — what installing the published package pulls in — 20 packages. Reachability is not analyzed.",
"notes": [
{
"code": "advisories_scope_published",
"params": {
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"assessed": 20
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},
{
"code": "advisories_reachability",
"params": {}
}
],
"value": 84,
"inputs": {
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"affected_packages": 2,
"assessed_packages": 20,
"unassessed_packages": 0,
"affected_by_severity": "unknown 2",
"direct_affected_packages": 2
},
"components": [
{
"key": "direct_dependencies_free_of_known_advisories",
"name": "Direct dependencies free of known advisories",
"detail": "2 affected: bincode 1.3.3 (unknown), bincode 2.0.1 (unknown)",
"points": 24.7,
"status": "partial",
"details": [
{
"code": "advisories_affected",
"params": {
"count": 2,
"packages": "bincode 1.3.3 (unknown), bincode 2.0.1 (unknown)"
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}
],
"max_points": 35
},
{
"key": "indirect_dependencies_free_of_known_advisories",
"name": "Indirect dependencies free of known advisories",
"detail": "no indirect dependency carries a known advisory",
"points": 25,
"status": "met",
"details": [
{
"code": "no_indirect_advisories",
"params": {}
}
],
"max_points": 25
},
{
"key": "no_advisories_left_outstanding",
"name": "No advisories left outstanding",
"detail": "2 advisory-carrying package(s) unaddressed past 90 days; oldest published 218 days ago",
"points": 34.8,
"status": "partial",
"details": [
{
"code": "advisories_stale",
"params": {
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"count": 2,
"oldest": 218
}
}
],
"max_points": 40
}
]
},
{
"key": "malicious_dependencies",
"band": "excellent",
"name": "Malicious dependencies",
"note": null,
"notes": [],
"value": 100,
"inputs": {
"source": "osv",
"meaning": "reported as a malicious package by the OpenSSF corpus; the remedy is removal or moving off the compromised name, never an upgrade of the same artifact. Versions the registry has since pulled are listed but not scored",
"packages": [],
"red_flag": false,
"assessed_packages": 20,
"malicious_packages": 0,
"direct_malicious_packages": 0,
"withdrawn_malicious_packages": 0,
"installable_malicious_packages": 0
},
"components": [
{
"key": "no_dependency_reported_as_a_malicious_package",
"name": "No dependency reported as a malicious package",
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"status": "met",
"details": [
{
"code": "no_malicious_dependencies",
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}
],
"max_points": 100
}
]
},
{
"key": "high_risk_jurisdiction_exposure",
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"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": 8
},
"components": [
{
"key": "policy_exposure_multiplier",
"name": "Policy exposure multiplier",
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"status": "met",
"details": [
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"code": "jurisdiction_no_match",
"params": {}
}
],
"max_points": 100
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]
}
],
"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": [
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"name": "Agent context & guidance",
"note": null,
"notes": [],
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"inputs": {
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"legible_history_share": 0.62,
"agent_instruction_files": [],
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},
"components": [
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"key": "agent_instructions",
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],
"max_points": 45
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{
"key": "machine_readable_docs_llms_txt",
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"status": "missed",
"details": [],
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},
{
"key": "legible_commit_history",
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"status": "partial",
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"code": "legible_history",
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}
],
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]
},
{
"key": "ai_verify_loop",
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"notes": [],
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"inputs": {
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"lockfiles": [],
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"dependency_bot_commit_share": 0
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"components": [
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"status": "partial",
"details": [
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"code": "toolchain_convention",
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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."
}
],
"metrics_version": "1.13.0"
},
"warnings": [
"Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token"
],
"report_type": "repository",
"generated_at": "2026-07-22T23:53:16.668594Z",
"schema_version": "0.27.0",
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"full_name": "servo/rust-smallvec",
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"license_spdx": "Apache-2.0"
}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 v0.27.0 — full methodology · metrics wiki.
How one result sits in the wider record: aggregate statistics — crates.io.