Public recordModerate
Software health reportschema 0.17.0 · metrics 1.13.0 · 2026-07-21 07:09 UTC
rust-vmm / vfio
rust-vmm/vfio holds a health index of 67 out of 100, placing it in the Moderate band. It scores highest on Sustainability & Governance (84/100) and lowest on AI Readiness (27/100). It was last updated today. 5 contributors account for most of its recent work.
67
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.
67
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
rust-vmmOrganization
1,001 followers34 public repossince Dec 2018
This repository is backed by an organization — shared, accountable stewardship that can outlive any single maintainer.
Package ecosystems
| Registry | Package | Version | Downloads / mo | Versions | Last publish | Tags |
|---|---|---|---|---|---|---|
| crates.io | vfio_user | 0.1.4 | 25,565 | 5 | 0 days ago | — |
| crates.io | vfio-ioctls | 0.8.0 | 57,468 | 10 | 0 days ago | vfio |
| crates.io | vfio-bindings | 0.6.2 | 102,558 | 8 | 117 days ago | vfio |
Metrics by category
Vitality
Is the project alive — is code being written and are releases shipping?
82
Development activity
76Good
How it's scored
| 36/36 | Push recency — last push 0 days ago |
| 15.2/36 | Commit cadence — 22/52 weeks with commits |
| 15/18 | Commit volume — 46 commits in the last year |
| 10/10 | OpenSSF Scorecard: Maintained — 24 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10 |
Inputs used
| commits_last_year | 46 |
| human_commit_share | — |
| days_since_last_push | 0 |
| active_weeks_last_year | 22 |
Release discipline
92Excellent
How it's scored
| 27/27 | Ships releases — 13 releases published |
| 36/36 | Release recency — latest release 0 days ago |
| 19.8/27 | Release cadence — a release every ~48.7 days |
| 0/10 | OpenSSF Scorecard: Signed-Releases — no data |
Inputs used
| releases_count | 13 |
| latest_release_tag | vfio-ioctls-v0.8.0 |
| releases_from_tags | no |
| days_since_latest_release | 0 |
| mean_days_between_releases | 48.7 |
Excluded from scoring (no data or not applicable): OpenSSF Scorecard: Signed-Releases. Remaining weights renormalized.
Community & Adoption
Does the project have users, downloads, attention, and a welcoming setup for contributors?
51
Popularity & adoption
45At risk
How it's scored
| 25.4/60 | Stars — 38 stars |
| 13.7/25 | Forks — 45 forks |
| 6.2/15 | Watchers — 14 watchers |
Inputs used
| forks | 45 |
| stars | 38 |
| watchers | 14 |
| growth_state | unverified |
| growth_factor_pct | 100 |
| growth_unverified_reason | below_threshold |
Community health
32At risk
How it's scored
| 22.5/22.5 | README |
| 0/22.5 | License — no license file detected |
| 0/18 | CONTRIBUTING guide |
| 0/13.5 | Code of conduct |
| 0/7.2 | Issue template |
| 6.3/6.3 | PR template |
Inputs used
| has_readme | yes |
| has_license | no |
| has_contributing | no |
| has_issue_template | no |
| has_code_of_conduct | no |
| has_pull_request_template | yes |
Ecosystem adoption (downloads)
88Excellent
How it's scored
| 70.2/80 | Monthly downloads — 185,591 downloads/month across crates |
| 0/20 | Registry dependents — not reported by this ecosystem |
Inputs used
| packages | vfio_user, vfio-ioctls, vfio-bindings |
| dependents | — |
| ecosystems | crates |
| total_downloads | 1,691,040 |
| monthly_downloads | 185,591 |
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?
84
Maintainer resilience (bus factor)
88Excellent
How it's scored
| 45.9/54 | Bus factor — 5 contributor(s) cover half of all commits |
| 19.1/22.5 | Commit distribution — top contributor authored 15% of commits |
| 13.5/13.5 | Contributor breadth — 30 contributors |
| 10/10 | OpenSSF Scorecard: Contributors — project has 15 contributing companies or organizations |
Inputs used
| bus_factor | 5 |
| contributors_sampled | 30 |
| top_contributor_share | 0.152 |
How it's scored
| 36.4/46.8 | Issue resolution — 78% of issues closed |
| 25.9/38.3 | PR acceptance — 96/142 decided PRs merged |
| 15/15 | OpenSSF Scorecard: Code-Review — all changesets reviewed |
Inputs used
| merged_prs | 96 |
| open_issues | 4 |
| closed_issues | 14 |
| issue_closed_ratio | 0.778 |
| closed_unmerged_prs | 46 |
Ownership & stewardship
75Good
How it's scored
| 30/30 | Ownership backing — organization-owned |
| 0/20 | Verified domain |
| 21.6/25 | Owner reach — 1,001 followers of rust-vmm |
| 23.2/25 | Track record — 34 public repos, account ~7 yr old |
Inputs used
| followers | 1,001 |
| owner_type | Organization |
| is_verified | — |
| owner_login | rust-vmm |
| public_repos | 34 |
| account_age_days | 2,769 |
Package maintenance
100Excellent
How it's scored
| 25/25 | Published & resolvable — 3 package(s) on crates |
| 35/35 | Publish recency — latest publish 0 days ago |
| 20/20 | Version history — 10 published versions |
| 20/20 | Not deprecated — active, not deprecated or yanked |
Inputs used
| packages | vfio_user, vfio-ioctls, vfio-bindings |
| ecosystems | crates |
| any_deprecated | no |
| min_days_since_publish | 0 |
Engineering Quality
Are baseline engineering and documentation practices in place?
42
Engineering practices
44At risk
How it's scored
| 24/24 | CI workflows — 3 workflow(s) |
| 0/24 | Tests present |
| 0/16 | Linter config |
| 0/9.6 | Pre-commit hooks |
| 0/6.4 | .editorconfig |
| 20/20 | OpenSSF Scorecard: CI-Tests — 18 out of 18 merged PRs checked by a CI test -- score normalized to 10 |
Inputs used
| has_ci | yes |
| has_tests | no |
| has_editorconfig | no |
| has_linter_config | no |
| has_precommit_config | no |
Documentation
40At risk
How it's scored
| 30/30 | README |
| 0/25 | Documentation directory |
| 0/15 | Documentation / homepage site |
| 0/10 | Repository description |
| 0/10 | Topics |
| 10/10 | Wiki |
Inputs used
| topics | — |
| has_wiki | yes |
| homepage | — |
| has_readme | yes |
| has_docs_dir | no |
| has_description | no |
Security
Are visible security and supply-chain practices strong, without unresolved high-risk jurisdiction exposure?
68
Security posture
68Moderate
How it's scored
| 7.5/7.5 | Binary-Artifacts — no binaries found in the repo |
| 0/7.5 | Branch-Protection — no data |
| 2.5/2.5 | CI-Tests — 18 out of 18 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 |
| 7.5/7.5 | Code-Review — all changesets reviewed |
| 2.5/2.5 | Contributors — project has 15 contributing companies or organizations |
| 10/10 | Dangerous-Workflow — no dangerous workflow patterns detected |
| 7.5/7.5 | Dependency-Update-Tool — update tool detected |
| 0/5 | Fuzzing — project is not fuzzed |
| 0/2.5 | License — license file not detected |
| 7.5/7.5 | Maintained — 24 commit(s) and 0 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 |
| 5/5 | Security-Policy — security policy file 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 | 6.8 |
Excluded from scoring (no data or not applicable): branch_protection, 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.
27
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.
Verify loop (build / test / typecheck)
18Critical
How it's scored
| 0/18 | One-command bootstrap |
| 0/22 | 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 |
| 5/8 | Automated maintenance — dependency automation configured, none observed in the sampled commits |
| 0/10 | OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0 |
Inputs used
| has_nix | no |
| has_tests | no |
| 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 | 0 |
Excluded from scoring (no data or not applicable): Demonstrated agent practice. Remaining weights renormalized.
Code legibility for models
90Excellent
How it's scored
| 45/45 | Type-checkable code — Rust (statically typed) |
| 45/55 | Manageable file sizes — 2/11 source files over 60KB |
Inputs used
| primary_language | Rust |
| largest_source_bytes | 106,983 |
| source_files_sampled | 11 |
| oversized_source_files | 2 |
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
38GitHub stars
30contributors
46commits, last 12 months
0days since last push
13releases
5bus factor
4open issues
crates.iopackage ecosystems
Data collection warnings
- GitHub dependency-graph SBOM unavailable (404); the dependency graph may be disabled for this repository
- deps.dev does not index crates:vfio_user@0.1.4; advisories assessed against the repository dependency graph instead
More detail
Star and fork history 38 ★ / 0 ⇿
38Stars
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.
Only the most recent history is shown — this repository exceeds the collection window, so the earliest history is not captured.
Each point covers 5 days.
OpenSSF Scorecard 6.8 / 10
6.8aggregate
Independent, tool-agnostic security assessment from the open-source OpenSSF Scorecard. Each check rewards a security practice, not a specific vendor's tool. Checks Scorecard could not determine are marked n/a and excluded from the security score (never counted as zero).
| 10 | Binary-Artifacts | no binaries found in the repo |
| n/a | Branch-Protection | internal error: error during branchesHandler.setup: internal error: some github tokens can't read classic branch protection rules: https://github.com/ossf/scorecard-action/blob/main/docs/authentication/fine-grained-auth-token.md |
| 10 | CI-Tests | 18 out of 18 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 |
| 10 | Code-Review | all changesets reviewed |
| 10 | Contributors | project has 15 contributing companies or organizations |
| 10 | Dangerous-Workflow | no dangerous workflow patterns detected |
| 10 | Dependency-Update-Tool | update tool detected |
| 0 | Fuzzing | project is not fuzzed |
| 0 | License | license file not detected |
| 10 | Maintained | 24 commit(s) and 0 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 |
| 10 | Security-Policy | security policy file 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 25
| Registry | Package | Version constraint | Manifest |
|---|---|---|---|
| crates.io | vmm-sys-util | — | vfio-bindings/Cargo.toml |
| crates.io | byteorder | 1.2.1 | vfio-ioctls/Cargo.toml |
| crates.io | libc | 0.2.39 | vfio-ioctls/Cargo.toml |
| crates.io | log | 0.4 | vfio-ioctls/Cargo.toml |
| crates.io | kvm-bindings | 0.14.0 | vfio-ioctls/Cargo.toml |
| crates.io | kvm-ioctls | 0.25.0 | vfio-ioctls/Cargo.toml |
| crates.io | thiserror | — | vfio-ioctls/Cargo.toml |
| crates.io | vfio-bindings | =0.6.2 | vfio-ioctls/Cargo.toml |
| crates.io | vm-memory | 0.18 | vfio-ioctls/Cargo.toml |
| crates.io | vmm-sys-util | — | vfio-ioctls/Cargo.toml |
| crates.io | mshv-bindings | 0.6.5 | vfio-ioctls/Cargo.toml |
| crates.io | mshv-ioctls | 0.6.5 | vfio-ioctls/Cargo.toml |
| crates.io | iommufd-bindings | 0.1.0 | vfio-ioctls/Cargo.toml |
| crates.io | iommufd-ioctls | 0.2.0 | vfio-ioctls/Cargo.toml |
| crates.io | bitflags | 2.9.4 | vfio-user/Cargo.toml |
| crates.io | enumn | 0.1.14 | vfio-user/Cargo.toml |
| crates.io | libc | 0.2.139 | vfio-user/Cargo.toml |
| crates.io | log | 0.4.17 | vfio-user/Cargo.toml |
| crates.io | serde | 1.0.151 | vfio-user/Cargo.toml |
| crates.io | serde_derive | 1.0.149 | vfio-user/Cargo.toml |
| crates.io | serde_json | 1.0.93 | vfio-user/Cargo.toml |
| crates.io | thiserror | — | vfio-user/Cargo.toml |
| crates.io | vfio-bindings | =0.6.2 | vfio-user/Cargo.toml |
| crates.io | vm-memory | >= 0.16.0, < 0.19 | vfio-user/Cargo.toml |
| crates.io | vmm-sys-util | — | vfio-user/Cargo.toml |
All dependencies not collected
The resolved dependency set could not be collected for this report: GitHub dependency-graph SBOM unavailable (404); the dependency graph may be disabled for this repository
Raw JSON report machine-readable
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"issue_closed_ratio": 0.778,
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"components": [
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],
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{
"key": "pr_acceptance",
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{
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]
},
{
"key": "stewardship",
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"components": [
{
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{
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"detail": null,
"points": 0,
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{
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{
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"points": 23.2,
"status": "partial",
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{
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},
{
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"note": null,
"notes": [],
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"inputs": {
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"components": [
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{
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{
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{
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],
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{
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"weight": 0.2,
"metrics": [
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"note": null,
"notes": [],
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{
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{
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{
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{
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"points": 0,
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"details": [],
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},
{
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{
"key": "openssf_scorecard_ci_tests",
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]
},
{
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"inputs": {
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"homepage": null,
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{
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{
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{
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{
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"key": "wiki",
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],
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{
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"weight": 0.16,
"metrics": [
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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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"status": "met",
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},
{
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},
{
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"points": 0,
"status": "missed",
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"max_points": 5
},
{
"key": "license",
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"points": 0,
"status": "missed",
"details": [],
"max_points": 2.5
},
{
"key": "maintained",
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"points": 7.5,
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},
{
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"params": {}
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"max_points": 5
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{
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"points": 0,
"status": "missed",
"details": [],
"max_points": 5
},
{
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"points": 0,
"status": "missed",
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},
{
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{
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"details": [
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"code": "no_data",
"params": {}
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],
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{
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"points": 0,
"status": "missed",
"details": [],
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},
{
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"max_points": 7.5
}
]
},
{
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"notes": [
{
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}
],
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"Iran",
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"review_only_matches": 0,
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},
"components": [
{
"key": "policy_exposure_multiplier",
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"code": "jurisdiction_no_match",
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}
],
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}
]
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],
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},
{
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"name": "AI Readiness",
"value": 27,
"weight": 0,
"metrics": [
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"notes": [
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"code": "excluded_no_data",
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{
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"legible_history_share": null,
"agent_instruction_files": [],
"agent_instruction_max_bytes": null
},
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{
"key": "agent_instructions",
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"points": 0,
"status": "missed",
"details": [
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"code": "no_agent_instructions",
"params": {}
}
],
"max_points": 45
},
{
"key": "machine_readable_docs_llms_txt",
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},
{
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{
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{
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{
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],
"description": "How well is the repo equipped to be developed and maintained with AI coding agents? An independent, experimental badge — weight 0.0, so it is surfaced on its own and does not affect the overall health score."
}
],
"metrics_version": "1.13.0"
},
"warnings": [
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"deps.dev does not index crates:vfio_user@0.1.4; advisories assessed against the repository dependency graph instead"
],
"report_type": "repository",
"generated_at": "2026-07-21T07:09:35.358303Z",
"schema_version": "0.17.0",
"badge_url": "https://raw.githubusercontent.com/inspect-software/badges/main/v1/r/rust-vmm/vfio.svg",
"full_name": "rust-vmm/vfio",
"license_state": "absent",
"license_spdx": null
}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 v0.17.0 — full methodology · metrics wiki.
How one result sits in the wider record: aggregate statistics — crates.io.