google/safe-mmio holds a health index of 69 out of 100, placing it in the Moderate band. It scores highest on Vitality (83/100) and lowest on AI Readiness (57/100). It was last updated today. A single contributor accounts for most of its recent work.
69
overall / 100
Moderate
Software health index
Metrics are grouped into weighted categories on one standardized 1–100 scale. Overall starts as their weighted mean; when public evidence triggers the High-Risk Jurisdiction Policy, the rating is adjusted and receives an At risk ceiling of 49. AI Readiness sits outside the overall score.
69
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.
Direct dependencies free of known advisories — no direct dependency carries a known advisory
0/25
Indirect dependencies free of known advisories — transitive set not separable from development and test dependencies in this scope
0/40
No advisories left outstanding — no advisory carries a publication date
Inputs used
source
osv
advisories
0
affected_packages
0
assessed_packages
6
unassessed_packages
0
affected_by_severity
none
direct_affected_packages
0
Excluded from scoring (no data or not applicable): Indirect dependencies free of known advisories, No advisories left outstanding. Remaining weights renormalized. Matched 6 resolved dependencies against OSV. This repository publishes no package the index resolves, so the repository dependency graph was assessed instead. That graph mixes development and test pins with shipped dependencies, so only the declared runtime dependencies are scored; transitive findings are reported as context and excluded from the score. Reachability is not analyzed.
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.
Manageable file sizes — 0/9 source files over 60KB
Inputs used
primary_language
Rust
largest_source_bytes
59,403
source_files_sampled
9
oversized_source_files
0
Key facts
39GitHub stars
3contributors
64commits, last 12 months
0days since last push
11releases
1bus factor
1open issues
crates.iopackage ecosystems
Data collection warnings
Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token
deps.dev does not index crates:safe-mmio@0.3.1; advisories assessed against the repository dependency graph instead
More detail
Star and fork history 0 ★ / 8 ⇿
0Stars
8Forks
6Releases
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 0Minor 1Patch 5
Each point covers 2 days.
OpenSSF Scorecard 6.2 / 10
6.2aggregate
Independent, tool-agnostic security assessment from the open-source OpenSSF Scorecard. Each check rewards a security practice, not a specific vendor's tool. Checks Scorecard could not determine are marked n/a and excluded from the security score (never counted as zero).Scorecard v5.5.0 · 2026-07-23 11:15 UTC
Full resolved dependency set from the GitHub dependency graph: 1 direct and 5 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.
Registry
Package
Version
Relation
crates.io
zerocopy
0.8.54
direct
crates.io
proc-macro2
1.0.93
indirect
crates.io
quote
1.0.42
indirect
crates.io
syn
2.0.98
indirect
crates.io
unicode-ident
1.0.17
indirect
crates.io
zerocopy-derive
0.8.54
indirect
Dependency advisories 0
This repository publishes no package the index resolves, so its own dependency graph was assessed — 6 packages, which also include development and test pins that never ship: 0 carry known advisories, of which 0 are direct.
No known advisories affect the assessed dependencies.
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
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"body": "Users might want to provide implementations of it without forcing it to\nbe used.",
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"headline": "Export MmioOps even if custom-mmio feature is not enabled.",
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"body": "Move the UniqueMmioPointer and SharedMmioPointer read/write method\nimplementations from each backend module into lib.rs, eliminating the\ntriplication. Each backend now only provides its MmioOps\nimplementation; the pointer methods are defined once and dispatch\nthrough the conditionally re-exported ba\n[…]\nf that via volatile_read() / volatile_write(). The access pattern\nobserved by the MMIO device might change, but was not defined in the\nfirst place.\n\nSigned-off-by: Oliver Steffen <osteffen@redhat.com>",
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"body": "Replace direct read_volatile/write_volatile calls with the shared\nMmioOps trait implementation. This unifies the volatile backend with\nthe aarch64 and custom-mmio backends.\n\nThe trait bounds on read_unsafe() and write_unsafe() tighten from\nunconstrained T to FromBytes + IntoBytes (read) and Immutabl\n[…]\nf that via volatile_read() / volatile_write(). The access pattern\nobserved by the MMIO device might change, but was not defined in the\nfirst place.\n\nSigned-off-by: Oliver Steffen <osteffen@redhat.com>",
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"headline": "backend/volatile: Implement MmioOps trait",
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"body": "Add a simple example that demonstrates how to use the create.\nFor simplicity fields backed by regular memory are accessed.\n\nThe new `custom-mmio` backend can be used by running\n\n cargo run --example example --features custom-mmio\n\nThe example provides an `MmioOps` implementation that uses regular\nvolatile accesses.\n\nWithout any feature specification the default backend for the selected\narchitecture is used.\n\nSigned-off-by: Oliver Steffen <osteffen@redhat.com>",
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"is_bot": false,
"headline": "Add custom-mmio backend for consumer-provided MMIO implementations",
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"body": "Bump zerocopy from 0.8.50 to 0.8.52",
"is_bot": true,
"headline": "Merge pull request #54 from google/dependabot/cargo/zerocopy-0.8.52",
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"oid": "351ade8bed654722521c9e46f4f8326bf63987b5",
"body": "Small fixes around read_unafe() and write_unsafe()",
"is_bot": false,
"headline": "Merge pull request #53 from osteffenrh/mut-fix",
"author_name": "Andrew Walbran",
"author_login": "qwandor",
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"body_truncated": false,
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"oid": "bed3235252f3542580d0b2ea1ea42f5aad31c5df",
"body": "Move the comment explaining the `&mut self` for read access\nto the correct function: `UniqueMmioPointer::read_unsafe()` instead of\n`write_unsafe()`.\n\nSigned-off-by: Oliver Steffen <osteffen@redhat.com>",
"is_bot": false,
"headline": "Move comment for read_unsafe()",
"author_name": "Oliver Steffen",
"author_login": "osteffenrh",
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"oid": "00d46f245a2abfa1b2a287c4b3e75e69b62ab7c1",
"body": "Make the self reference of `UniqueMmioPointer::write_unsafe()` in the\naarch64 implementation consistent with the default variant by making it\nmutable.\n\nSigned-off-by: Oliver Steffen <osteffen@redhat.com>",
"is_bot": false,
"headline": "Make aarch64 write_unsafe() signature consistent",
"author_name": "Oliver Steffen",
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"body": "Bumps [zerocopy](https://github.com/google/zerocopy) from 0.8.49 to 0.8.50.\n- [Release notes](https://github.com/google/zerocopy/releases)\n- [Commits](https://github.com/google/zerocopy/compare/v0.8.49...v0.8.50)\n\n---\nupdated-dependencies:\n- dependency-name: zerocopy\n dependency-version: 0.8.50\n d\n[…]\nirect:production\n update-type: version-update:semver-patch\n...\n\nSigned-off-by: dependabot[bot] <support@github.com>\nCo-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>",
"is_bot": true,
"headline": "Bump zerocopy from 0.8.49 to 0.8.50 (#52)",
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"body": "Bumps [zerocopy](https://github.com/google/zerocopy) from 0.8.48 to 0.8.49.\n- [Release notes](https://github.com/google/zerocopy/releases)\n- [Changelog](https://github.com/google/zerocopy/blob/main/CHANGELOG.md)\n- [Commits](https://github.com/google/zerocopy/compare/v0.8.48...v0.8.49)\n\n---\nupdated-d\n[…]\nirect:production\n update-type: version-update:semver-patch\n...\n\nSigned-off-by: dependabot[bot] <support@github.com>\nCo-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>",
"is_bot": true,
"headline": "Bump zerocopy from 0.8.48 to 0.8.49 (#51)",
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"committed_at": "2026-05-29T10:23:39Z",
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"body": "Bumps [zerocopy](https://github.com/google/zerocopy) from 0.8.47 to 0.8.48.\n- [Release notes](https://github.com/google/zerocopy/releases)\n- [Changelog](https://github.com/google/zerocopy/blob/main/CHANGELOG.md)\n- [Commits](https://github.com/google/zerocopy/compare/v0.8.47...v0.8.48)\n\n---\nupdated-d\n[…]\nirect:production\n update-type: version-update:semver-patch\n...\n\nSigned-off-by: dependabot[bot] <support@github.com>\nCo-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>",
"is_bot": true,
"headline": "Bump zerocopy from 0.8.47 to 0.8.48 (#50)",
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"body": "Bumps [zerocopy](https://github.com/google/zerocopy) from 0.8.42 to 0.8.47.\n- [Release notes](https://github.com/google/zerocopy/releases)\n- [Changelog](https://github.com/google/zerocopy/blob/main/CHANGELOG.md)\n- [Commits](https://github.com/google/zerocopy/compare/v0.8.42...v0.8.47)\n\n---\nupdated-d\n[…]\nirect:production\n update-type: version-update:semver-patch\n...\n\nSigned-off-by: dependabot[bot] <support@github.com>\nCo-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>",
"is_bot": true,
"headline": "Bump zerocopy from 0.8.42 to 0.8.47 (#49)",
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"body": "Bumps [zerocopy](https://github.com/google/zerocopy) from 0.8.41 to 0.8.42.\n- [Release notes](https://github.com/google/zerocopy/releases)\n- [Changelog](https://github.com/google/zerocopy/blob/main/CHANGELOG.md)\n- [Commits](https://github.com/google/zerocopy/compare/v0.8.41...v0.8.42)\n\n---\nupdated-d\n[…]\nirect:production\n update-type: version-update:semver-patch\n...\n\nSigned-off-by: dependabot[bot] <support@github.com>\nCo-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>",
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"headline": "Bump zerocopy from 0.8.41 to 0.8.42 (#48)",
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"headline": "Merge pull request #47 from google/dependabot/cargo/zerocopy-0.8.41",
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"oid": "c72c5217df1e5e94189689ebe96f3bdea96a34fe",
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"headline": "Merge pull request #46 from google/value0",
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"headline": "Take self rather than `&mut self` for `UniqueMmioPointer::split`.",
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"body": "Fix clippy warnings",
"is_bot": false,
"headline": "Merge pull request #45 from google/clippy",
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"headline": "Fix clippy warnings.",
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"body": "* Add get_range methods for array and slice types\n\nAdded `get_range()` methods `UniqueMmioPointer<[T]>`,\n`UniqueMmioPointer<[T; LEN]>`, `SharedMmioPointer<[T]>`,\n`SharedMmioPointer<[T; LEN]>`. These methods return a pointer to the\nsubset of elements, specified by a `Range`.\n\nSigned-off-by: Imre Kis \n[…]\nointerIterator` instances that\ncan be used to iterate over the elements of the pointer slices/arrays.\n\nSigned-off-by: Imre Kis <imre.kis@arm.com>\n\n---------\n\nSigned-off-by: Imre Kis <imre.kis@arm.com>",
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"headline": "Add get_range() and iterators (#43)",
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"oid": "ea9bc6f6d35a9fcb1c3c5df58badb4aa05557c5c",
"body": "Added `iter()` methods `UniqueMmioPointer<[T]>`,\n`UniqueMmioPointer<[T; LEN]>`, `SharedMmioPointer<[T]>`,\n`SharedMmioPointer<[T; LEN]>`. These methods return\n`UniqueMmioPointerIterator`, `SharedMmioPointerIterator` instances that\ncan be used to iterate over the elements of the pointer slices/arrays.\n\nSigned-off-by: Imre Kis <imre.kis@arm.com>",
"is_bot": false,
"headline": "Implement iterators for slice/array pointers",
"author_name": "Imre Kis",
"author_login": "imre-kis-arm",
"committed_at": "2026-03-03T14:58:35Z",
"body_truncated": false,
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"oid": "6e85fd75225c40836299c6302468bdcd55c20e68",
"body": "Added `get_range()` methods `UniqueMmioPointer<[T]>`,\n`UniqueMmioPointer<[T; LEN]>`, `SharedMmioPointer<[T]>`,\n`SharedMmioPointer<[T; LEN]>`. These methods return a pointer to the\nsubset of elements, specified by a `Range`.\n\nSigned-off-by: Imre Kis <imre.kis@arm.com>",
"is_bot": false,
"headline": "Add get_range methods for array and slice types",
"author_name": "Imre Kis",
"author_login": "imre-kis-arm",
"committed_at": "2026-03-03T14:56:27Z",
"body_truncated": false,
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"body": "Bumps [zerocopy](https://github.com/google/zerocopy) from 0.8.39 to 0.8.40.\n- [Release notes](https://github.com/google/zerocopy/releases)\n- [Changelog](https://github.com/google/zerocopy/blob/main/CHANGELOG.md)\n- [Commits](https://github.com/google/zerocopy/compare/v0.8.39...v0.8.40)\n\n---\nupdated-d\n[…]\nirect:production\n update-type: version-update:semver-patch\n...\n\nSigned-off-by: dependabot[bot] <support@github.com>\nCo-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>",
"is_bot": true,
"headline": "Bump zerocopy from 0.8.39 to 0.8.40 (#44)",
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"oid": "b1c0459604947d082d03cb3c7c682bb0978f7879",
"body": "Avoid local variable in field! and subfield! macros.",
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"headline": "Merge pull request #41 from google/modify",
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"headline": "Update to 2024 edition.",
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"body": "I had hoped to allow nesting of field! macros with this, but it only\nworks with 2021 edition.",
"is_bot": false,
"headline": "Avoid local variable in field! and field_shared! macros.",
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"headline": "Add methods to read-modify-write a field. (#40)",
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"headline": "Add methods to read-modify-write a field.",
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"oid": "198a13b2b25f8b46dcafc36743b8b170ef88dc2c",
"body": "Bumps [zerocopy](https://github.com/google/zerocopy) from 0.8.37 to 0.8.39.\n- [Release notes](https://github.com/google/zerocopy/releases)\n- [Changelog](https://github.com/google/zerocopy/blob/main/CHANGELOG.md)\n- [Commits](https://github.com/google/zerocopy/compare/v0.8.37...v0.8.39)\n\n---\nupdated-d\n[…]\nirect:production\n update-type: version-update:semver-patch\n...\n\nSigned-off-by: dependabot[bot] <support@github.com>\nCo-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>",
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"headline": "Bump zerocopy from 0.8.37 to 0.8.39 (#37)",
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"oid": "22520c1a4cc90cdc06c3f52591f784ea2bb0921c",
"body": "Bumps [zerocopy](https://github.com/google/zerocopy) from 0.8.34 to 0.8.37.\n- [Release notes](https://github.com/google/zerocopy/releases)\n- [Changelog](https://github.com/google/zerocopy/blob/main/CHANGELOG.md)\n- [Commits](https://github.com/google/zerocopy/compare/v0.8.34...v0.8.37)\n\n---\nupdated-d\n[…]\nirect:production\n update-type: version-update:semver-patch\n...\n\nSigned-off-by: dependabot[bot] <support@github.com>\nCo-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>",
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"headline": "Bump zerocopy from 0.8.34 to 0.8.37 (#36)",
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"body": "Bump zerocopy from 0.8.33 to 0.8.34",
"is_bot": true,
"headline": "Merge pull request #35 from google/dependabot/cargo/zerocopy-0.8.34",
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"committed_at": "2026-01-26T10:55:23Z",
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"body": "Bump zerocopy from 0.8.31 to 0.8.33",
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"headline": "Merge pull request #34 from google/dependabot/cargo/zerocopy-0.8.33",
"author_name": "Andrew Walbran",
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"committed_at": "2026-01-12T12:26:29Z",
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"body": "Bumps [zerocopy](https://github.com/google/zerocopy) from 0.8.31 to 0.8.33.\n- [Release notes](https://github.com/google/zerocopy/releases)\n- [Changelog](https://github.com/google/zerocopy/blob/main/CHANGELOG.md)\n- [Commits](https://github.com/google/zerocopy/compare/v0.8.31...v0.8.33)\n\n---\nupdated-d\n[…]\nncies:\n- dependency-name: zerocopy\n dependency-version: 0.8.33\n dependency-type: direct:production\n update-type: version-update:semver-patch\n...\n\nSigned-off-by: dependabot[bot] <support@github.com>",
"is_bot": true,
"headline": "Bump zerocopy from 0.8.31 to 0.8.33",
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"headline": "Prepare for 0.2.7 release.",
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"body": "Add split_some to UniqueMmioPointer arrays and slices.",
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"headline": "Merge pull request #32 from google/split_some",
"author_name": "Andrew Walbran",
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"oid": "eb2ab179de34f9e0dab53f8c6406ebd0e09c4fae",
"body": null,
"is_bot": false,
"headline": "Add split_some to UniqueMmioPointer arrays and slices.",
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"body_truncated": false,
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"oid": "655f54117c011912f9a2c6f9f446c4e471e7da54",
"body": null,
"is_bot": false,
"headline": "Prepare for 0.2.6 release.",
"author_name": "Andrew Walbran",
"author_login": "qwandor",
"committed_at": "2025-12-01T17:02:56Z",
"body_truncated": false,
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{
"oid": "1638ba9eacfae5e0f788930c395e29a2d4800f53",
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"headline": "Update versions in comparison.",
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"committed_at": "2025-12-01T17:02:41Z",
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{
"oid": "539fed921dc97a0e6404bb3add2f1b12ddedbd40",
"body": "* Fix clippy warnings.\n\n* Use get rather than split to get a single element.",
"is_bot": false,
"headline": "Use get rather than split to get a single element. (#30)",
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"headline": "Use get rather than split to get a single element.",
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"body": null,
"is_bot": false,
"headline": "Fix clippy warnings.",
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"committed_at": "2025-12-01T16:34:03Z",
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"body": "Bumps [zerocopy](https://github.com/google/zerocopy) from 0.8.28 to 0.8.31.\n- [Release notes](https://github.com/google/zerocopy/releases)\n- [Changelog](https://github.com/google/zerocopy/blob/main/CHANGELOG.md)\n- [Commits](https://github.com/google/zerocopy/compare/v0.8.28...v0.8.31)\n\n---\nupdated-d\n[…]\nirect:production\n update-type: version-update:semver-patch\n...\n\nSigned-off-by: dependabot[bot] <support@github.com>\nCo-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>",
"is_bot": true,
"headline": "Bump zerocopy from 0.8.28 to 0.8.31 (#29)",
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"author_login": "dependabot[bot]",
"committed_at": "2025-12-01T11:32:16Z",
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"body": "Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.\n- [Release notes](https://github.com/actions/checkout/releases)\n- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)\n- [Commits](https://github.com/actions/checkout/compare/v5...v6)\n\n---\nupdated-dependenc\n[…]\nirect:production\n update-type: version-update:semver-major\n...\n\nSigned-off-by: dependabot[bot] <support@github.com>\nCo-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>",
"is_bot": true,
"headline": "Bump actions/checkout from 5 to 6 (#27)",
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"author_login": "dependabot[bot]",
"committed_at": "2025-11-24T11:37:30Z",
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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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"source": {
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"key": "community_health",
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"components": [
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"max_points": 9.6
},
{
"key": "editorconfig",
"name": ".editorconfig",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 6.4
},
{
"key": "openssf_scorecard_ci_tests",
"name": "OpenSSF Scorecard: CI-Tests",
"detail": "9 out of 9 merged PRs checked by a CI test -- score normalized to 10",
"points": 20,
"status": "met",
"details": [],
"max_points": 20
}
]
},
{
"key": "documentation",
"band": "moderate",
"name": "Documentation",
"note": null,
"notes": [],
"value": 50,
"inputs": {
"topics": [
"mmio",
"no-std",
"rust",
"rust-crate"
],
"has_wiki": false,
"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": "4 topics",
"points": 10,
"status": "met",
"details": [
{
"code": "topics_count",
"params": {
"count": 4
}
}
],
"max_points": 10
},
{
"key": "wiki",
"name": "Wiki",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 10
}
]
}
],
"description": "Are baseline engineering and documentation practices in place?"
},
{
"key": "security",
"band": "good",
"name": "Security",
"value": 70,
"weight": 0.16,
"metrics": [
{
"key": "security_posture",
"band": "moderate",
"name": "Security posture",
"note": "Excluded from scoring (no data or not applicable): Packaging, Signed-Releases. Remaining weights renormalized.",
"notes": [
{
"code": "excluded_no_data",
"params": {
"components": [
"packaging",
"signed_releases"
]
}
},
{
"code": "weights_renormalized",
"params": {}
}
],
"value": 62,
"inputs": {
"source": "openssf_scorecard",
"checks_evaluated": 16,
"scorecard_version": "v5.5.0",
"checks_inconclusive": 2,
"scorecard_aggregate": 6.2
},
"components": [
{
"key": "binary_artifacts",
"name": "Binary-Artifacts",
"detail": "no binaries found in the repo",
"points": 7.5,
"status": "met",
"details": [],
"max_points": 7.5
},
{
"key": "branch_protection",
"name": "Branch-Protection",
"detail": "branch protection not enabled on development/release branches",
"points": 0,
"status": "missed",
"details": [],
"max_points": 7.5
},
{
"key": "ci_tests",
"name": "CI-Tests",
"detail": "9 out of 9 merged PRs checked by a CI test -- score normalized to 10",
"points": 2.5,
"status": "met",
"details": [],
"max_points": 2.5
},
{
"key": "cii_best_practices",
"name": "CII-Best-Practices",
"detail": "no effort to earn an OpenSSF best practices badge detected",
"points": 0,
"status": "missed",
"details": [],
"max_points": 2.5
},
{
"key": "code_review",
"name": "Code-Review",
"detail": "Found 3/4 approved changesets -- score normalized to 7",
"points": 5.2,
"status": "partial",
"details": [],
"max_points": 7.5
},
{
"key": "contributors",
"name": "Contributors",
"detail": "project has 3 contributing companies or organizations -- score normalized to 10",
"points": 2.5,
"status": "met",
"details": [],
"max_points": 2.5
},
{
"key": "dangerous_workflow",
"name": "Dangerous-Workflow",
"detail": "no dangerous workflow patterns detected",
"points": 10,
"status": "met",
"details": [],
"max_points": 10
},
{
"key": "dependency_update_tool",
"name": "Dependency-Update-Tool",
"detail": "update tool detected",
"points": 7.5,
"status": "met",
"details": [],
"max_points": 7.5
},
{
"key": "fuzzing",
"name": "Fuzzing",
"detail": "project is not fuzzed",
"points": 0,
"status": "missed",
"details": [],
"max_points": 5
},
{
"key": "license",
"name": "License",
"detail": "license file detected",
"points": 2.2,
"status": "partial",
"details": [],
"max_points": 2.5
},
{
"key": "maintained",
"name": "Maintained",
"detail": "30 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 10",
"points": 7.5,
"status": "met",
"details": [],
"max_points": 7.5
},
{
"key": "packaging",
"name": "Packaging",
"detail": "packaging workflow not detected",
"points": 0,
"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": [],
"max_points": 5
},
{
"key": "security_policy",
"name": "Security-Policy",
"detail": "security policy file detected",
"points": 5,
"status": "met",
"details": [],
"max_points": 5
},
{
"key": "signed_releases",
"name": "Signed-Releases",
"detail": "no releases found",
"points": 0,
"status": "excluded",
"details": [
{
"code": "no_data",
"params": {}
}
],
"max_points": 7.5
},
{
"key": "token_permissions",
"name": "Token-Permissions",
"detail": "detected GitHub workflow tokens with excessive permissions",
"points": 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": "excellent",
"name": "Dependency advisories",
"note": "Excluded from scoring (no data or not applicable): Indirect dependencies free of known advisories, No advisories left outstanding. Remaining weights renormalized. Matched 6 resolved dependencies against OSV. This repository publishes no package the index resolves, so the repository dependency graph was assessed instead. That graph mixes development and test pins with shipped dependencies, so only the declared runtime dependencies are scored; transitive findings are reported as context and excluded from the score. Reachability is not analyzed.",
"notes": [
{
"code": "excluded_no_data",
"params": {
"components": [
"indirect_dependencies_free_of_known_advisories",
"no_advisories_left_outstanding"
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}
},
{
"code": "weights_renormalized",
"params": {}
},
{
"code": "advisories_scope_repository",
"params": {
"assessed": 6
}
},
{
"code": "advisories_repo_graph_caveat",
"params": {}
},
{
"code": "advisories_reachability",
"params": {}
}
],
"value": 100,
"inputs": {
"source": "osv",
"advisories": 0,
"affected_packages": 0,
"assessed_packages": 6,
"unassessed_packages": 0,
"affected_by_severity": "none",
"direct_affected_packages": 0
},
"components": [
{
"key": "direct_dependencies_free_of_known_advisories",
"name": "Direct dependencies free of known advisories",
"detail": "no direct dependency carries a known advisory",
"points": 35,
"status": "met",
"details": [
{
"code": "no_direct_advisories",
"params": {}
}
],
"max_points": 35
},
{
"key": "indirect_dependencies_free_of_known_advisories",
"name": "Indirect dependencies free of known advisories",
"detail": "transitive set not separable from development and test dependencies in this scope",
"points": 0,
"status": "excluded",
"details": [
{
"code": "advisories_scope_not_separable",
"params": {}
}
],
"max_points": 25
},
{
"key": "no_advisories_left_outstanding",
"name": "No advisories left outstanding",
"detail": "no advisory carries a publication date",
"points": 0,
"status": "excluded",
"details": [
{
"code": "advisories_no_publication_date",
"params": {}
}
],
"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": 6,
"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",
"detail": "no dependency is reported as a malicious package",
"points": 100,
"status": "met",
"details": [
{
"code": "no_malicious_dependencies",
"params": {}
}
],
"max_points": 100
}
]
},
{
"key": "high_risk_jurisdiction_exposure",
"band": "excellent",
"name": "High-Risk Jurisdiction Exposure",
"note": "Only high-confidence self-published location evidence affects this multiplier. Ambiguous matches are review-only; country evidence is not proof of nationality, citizenship, legal registration, malicious intent, or sanctions status.",
"notes": [
{
"code": "jurisdiction_evidence_limits",
"params": {}
}
],
"value": 100,
"inputs": {
"meaning": "self-published location evidence; not nationality or citizenship",
"red_flag": false,
"exposures": [],
"policy_countries": [
"Russia",
"Iran",
"North Korea"
],
"review_only_matches": 0,
"assessed_self_published_locations": 4
},
"components": [
{
"key": "policy_exposure_multiplier",
"name": "Policy exposure multiplier",
"detail": "no confirmed policy-scope location match",
"points": 100,
"status": "met",
"details": [
{
"code": "jurisdiction_no_match",
"params": {}
}
],
"max_points": 100
}
]
}
],
"description": "Are visible security and supply-chain practices strong, with no malicious dependency and no unresolved high-risk jurisdiction exposure?"
},
{
"key": "ai_readiness",
"band": "moderate",
"name": "AI Readiness",
"value": 57,
"weight": 0,
"metrics": [
{
"key": "ai_agent_context",
"band": "critical",
"name": "Agent context & guidance",
"note": null,
"notes": [],
"value": 27,
"inputs": {
"has_llms_txt": false,
"legible_history_share": 0.5,
"agent_instruction_files": [],
"agent_instruction_max_bytes": null
},
"components": [
{
"key": "agent_instructions",
"name": "Agent instructions",
"detail": "no CLAUDE.md / AGENTS.md / editor rules",
"points": 0,
"status": "missed",
"details": [
{
"code": "no_agent_instructions",
"params": {}
}
],
"max_points": 45
},
{
"key": "machine_readable_docs_llms_txt",
"name": "Machine-readable docs (llms.txt)",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 15
},
{
"key": "legible_commit_history",
"name": "Legible commit history",
"detail": "39 of 78 human commits state their intent (structured subject or explanatory body)",
"points": 26.7,
"status": "partial",
"details": [
{
"code": "legible_history",
"params": {
"legible": 39,
"sampled": 78
}
}
],
"max_points": 40
}
]
},
{
"key": "ai_verify_loop",
"band": "moderate",
"name": "Verify loop (build / test / typecheck)",
"note": null,
"notes": [],
"value": 64,
"inputs": {
"has_nix": false,
"has_tests": true,
"lockfiles": [
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],
"has_dockerfile": false,
"typed_language": true,
"bootstrap_files": [],
"has_devcontainer": false,
"has_linter_config": false,
"typecheck_configs": [],
"agent_commit_share": 0,
"toolchain_manifests": [
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"dependency_bot_commit_share": 0.22
},
"components": [
{
"key": "one_command_bootstrap",
"name": "One-command bootstrap",
"detail": "Cargo.toml (toolchain convention, no task runner)",
"points": 12.6,
"status": "partial",
"details": [
{
"code": "toolchain_convention",
"params": {
"files": "Cargo.toml"
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],
"max_points": 18
},
{
"key": "automated_tests",
"name": "Automated tests",
"detail": null,
"points": 22,
"status": "met",
"details": [],
"max_points": 22
},
{
"key": "lint_format_config",
"name": "Lint / format config",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 11
},
{
"key": "static_type_checking",
"name": "Static type checking",
"detail": "Rust (statically typed)",
"points": 11,
"status": "met",
"details": [
{
"code": "statically_typed_language",
"params": {
"language": "Rust"
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}
],
"max_points": 11
},
{
"key": "reproducible_environment",
"name": "Reproducible environment",
"detail": "lockfile",
"points": 10,
"status": "met",
"details": [
{
"code": "file_list",
"params": {
"files": "lockfile"
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}
],
"max_points": 10
},
{
"key": "demonstrated_agent_practice",
"name": "Demonstrated agent practice",
"detail": "no agent-authored commits among the last 100",
"points": 0,
"status": "missed",
"details": [
{
"code": "no_agent_authored_commits",
"params": {
"sampled": 100
}
}
],
"max_points": 10
},
{
"key": "automated_maintenance",
"name": "Automated maintenance",
"detail": "22 of the last 100 commits are automated dependency updates",
"points": 8,
"status": "met",
"details": [
{
"code": "dependency_bot_commits",
"params": {
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}
],
"max_points": 8
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{
"key": "openssf_scorecard_pinned_dependencies",
"name": "OpenSSF Scorecard: Pinned-Dependencies",
"detail": "dependency not pinned by hash detected -- score normalized to 0",
"points": 0,
"status": "missed",
"details": [],
"max_points": 10
}
]
},
{
"key": "ai_code_legibility",
"band": "excellent",
"name": "Code legibility for models",
"note": null,
"notes": [],
"value": 100,
"inputs": {
"primary_language": "Rust",
"largest_source_bytes": 59403,
"source_files_sampled": 9,
"oversized_source_files": 0
},
"components": [
{
"key": "type_checkable_code",
"name": "Type-checkable code",
"detail": "Rust (statically typed)",
"points": 45,
"status": "met",
"details": [
{
"code": "statically_typed_language",
"params": {
"language": "Rust"
}
}
],
"max_points": 45
},
{
"key": "manageable_file_sizes",
"name": "Manageable file sizes",
"detail": "0/9 source files over 60KB",
"points": 55,
"status": "met",
"details": [
{
"code": "oversized_source_files",
"params": {
"kb": 60,
"sampled": 9,
"oversized": 0
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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": [
"Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token",
"deps.dev does not index crates:safe-mmio@0.3.1; advisories assessed against the repository dependency graph instead"
],
"report_type": "repository",
"generated_at": "2026-07-23T11:15:44.467555Z",
"schema_version": "0.27.0",
"badge_url": "https://raw.githubusercontent.com/inspect-software/badges/main/v1/g/google/safe-mmio.svg",
"full_name": "google/safe-mmio",
"license_state": "custom",
"license_spdx": null
}
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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 v0.27.0 — full methodology · metrics wiki.
