Public record
Software health reportschema 0.27.0 · metrics 1.13.0 · 2026-07-25 12:50 UTC

sile / libflate

A Rust implementation of DEFLATE algorithm and related formats (ZLIB, GZIP)

RustMIT★ 201 stars⑂ 41 forkssince Oct 2016View on GitHub ↗

sile/libflate holds a health index of 45 out of 100, placing it in the At risk band. It scores highest on Vitality (69/100) and lowest on Security (36/100). It was last updated today. A single contributor accounts for most of its recent work.

45
overall / 100
At risk

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.

45
Excellent85-100Exemplary; meets essentially all checked criteria
Good70-84Healthy; minor gaps
Moderate50-69Acceptable with notable gaps; review recommended
At risk30-49Significant weaknesses; adoption warrants caution
Critical1-29Severe problems (abandoned, single-maintainer, no hygiene)
VitalityCommunity &AdoptionSustainability &GovernanceEngineeringQualitySecurityAI Readiness

Score profile

Each axis is a category. The shape matters more than the average — a healthy subject fills the whole shape, while a spike-and-crater profile means strength in one dimension is masking risk in another.

High-Risk Jurisdiction Policy applies a 75% multiplier to weighted overall health and gives it an At risk ceiling of 49.

Ownership

Takeru OhtaPersonal account
469 followers325 public repossince Jan 2010

This repository is owned by a personal account. A single-owner project carries more continuity risk than an organization-backed one.

Package ecosystems

RegistryPackageVersionDownloads / moVersionsLast publishTags
crates.iolibflate2.3.12,163,850460 days agodeflategzipzlibcompressionno-std
crates.iolibflate_lz772.3.02,122,2751099 days agolz77compression

Metrics by category

Vitality

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

69Moderate · 22% of overall
How it's scored
36/36Push recency — last push 0 days ago
3.5/36Commit cadence — 5/52 weeks with commits
14.1/18Commit volume — 36 commits in the last year
5/10OpenSSF Scorecard: Maintained — 6 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 5
Inputs used
commits_last_year36
human_commit_share1
days_since_last_push0
active_weeks_last_year5
How it's scored
27/27Ships releases — 11 releases published
36/36Release recency — latest release 0 days ago
12.6/27Release cadence — a release every ~175.9 days
0/10OpenSSF Scorecard: Signed-Releases — no data
Inputs used
releases_count11
latest_release_tagv2.3.1
releases_from_tagsno
days_since_latest_release0
mean_days_between_releases175.9
Excluded from scoring (no data or not applicable): OpenSSF Scorecard: Signed-Releases. Remaining weights renormalized.

Community & Adoption

Does the project have users, downloads, attention, and a welcoming setup for contributors?

64Moderate · 18% of overall
How it's scored
37.3/60Stars — 201 stars
13.4/25Forks — 41 forks
3.3/15Watchers — 5 watchers
Inputs used
forks41
stars201
watchers5
growth_stateunverified
growth_factor_pct100
growth_unverified_reasonno_history
How it's scored
22.5/22.5README
22.5/22.5License — recognized license (MIT)
0/18CONTRIBUTING guide
0/13.5Code of conduct
0/7.2Issue template
0/6.3PR template
Inputs used
has_readmeyes
has_licenseyes
has_contributingno
has_issue_templateno
has_code_of_conductno
has_pull_request_templateno
How it's scored
80/80Monthly downloads — 4,286,125 downloads/month across crates
0/20Registry dependents — not reported by this ecosystem
Inputs used
packageslibflate, libflate_lz77
dependents
ecosystemscrates
total_downloads82,962,592
monthly_downloads4,286,125
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?

68Moderate · 24% of overall
How it's scored
9/54Bus factor — 1 contributor(s) cover half of all commits
2.5/22.5Commit distribution — top contributor authored 89% of commits
13.5/13.5Contributor breadth — 20 contributors
10/10OpenSSF Scorecard: Contributors — project has 8 contributing companies or organizations
Inputs used
bus_factor1
contributors_sampled20
top_contributor_share0.89
How it's scored
43.5/46.8Issue resolution — 93% of issues closed
37.4/38.3PR acceptance — 45/46 decided PRs merged
1.5/15OpenSSF Scorecard: Code-Review — Found 2/14 approved changesets -- score normalized to 1
Inputs used
merged_prs45
open_issues3
closed_issues40
issue_closed_ratio0.93
closed_unmerged_prs1
How it's scored
10/30Ownership backing — personal (user) account
0/20Verified domain — not applicable to user accounts
19.2/25Owner reach — 469 followers of sile
25/25Track record — 325 public repos, account ~16 yr old
Inputs used
followers469
owner_typeUser
is_verified
owner_loginsile
public_repos325
account_age_days6,036
Excluded from scoring (no data or not applicable): Verified domain. Remaining weights renormalized.
How it's scored
25/25Published & resolvable — 2 package(s) on crates
35/35Publish recency — latest publish 0 days ago
20/20Version history — 46 published versions
20/20Not deprecated — active, not deprecated or yanked
Inputs used
packageslibflate, libflate_lz77
ecosystemscrates
any_deprecatedno
min_days_since_publish0

Engineering Quality

Are baseline engineering and documentation practices in place?

54Moderate · 20% of overall
How it's scored
24/24CI workflows — 2 workflow(s)
0/24Tests present
0/16Linter config
0/9.6Pre-commit hooks
0/6.4.editorconfig
16/20OpenSSF Scorecard: CI-Tests — 5 out of 6 merged PRs checked by a CI test -- score normalized to 8
Inputs used
has_ciyes
has_testsno
has_editorconfigno
has_linter_configno
has_precommit_configno
How it's scored
30/30README
0/25Documentation directory
15/15Documentation / homepage site — https://docs.rs/libflate
10/10Repository description
10/10Topics — 4 topics
10/10Wiki
Inputs used
topicsrust, gzip, zlib, deflate-algorithm
has_wikiyes
homepagehttps://docs.rs/libflate
has_readmeyes
has_docs_dirno
has_descriptionyes

Security

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

36At risk · 16% of overall
How it's scored
7.5/7.5Binary-Artifacts — no binaries found in the repo
0/7.5Branch-Protection — branch protection not enabled on development/release branches
2/2.5CI-Tests — 5 out of 6 merged PRs checked by a CI test -- score normalized to 8
0/2.5CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected
0.8/7.5Code-Review — Found 2/14 approved changesets -- score normalized to 1
2.5/2.5Contributors — project has 8 contributing companies or organizations
10/10Dangerous-Workflow — no dangerous workflow patterns detected
0/7.5Dependency-Update-Tool — no update tool detected
0/5Fuzzing — project is not fuzzed
2.5/2.5License — license file detected
3.8/7.5Maintained — 6 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 5
5/5Packaging — packaging workflow detected
5/5Pinned-Dependencies — all dependencies are pinned
0/5SAST — SAST tool is not run on all commits -- score normalized to 0
0/5Security-Policy — security policy file not detected
0/7.5Signed-Releases — no data
0/7.5Token-Permissions — detected GitHub workflow tokens with excessive permissions
7.5/7.5Vulnerabilities — 0 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated17
scorecard_versionv5.5.0
checks_inconclusive1
scorecard_aggregate4.8
high_risk_jurisdiction_cap49
high_risk_jurisdiction_multiplier75
security_posture_after_multiplier36
security_posture_before_jurisdiction48
Excluded from scoring (no data or not applicable): signed_releases. Remaining weights renormalized. High-Risk Jurisdiction Policy applies a 75% multiplier and gives Security posture an At risk ceiling of 49.

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.

43At risk · 0% of overall
How it's scored
0/45Agent instructions — no CLAUDE.md / AGENTS.md / editor rules
0/15Machine-readable docs (llms.txt)
28.3/40Legible commit history — 53 of 100 human commits state their intent (structured subject or explanatory body)
Inputs used
has_llms_txtno
legible_history_share0.53
agent_instruction_files
agent_instruction_max_bytes
How it's scored
12.6/18One-command bootstrap — Cargo.toml, flate_bench/Cargo.toml, libflate_lz77/Cargo.toml (toolchain convention, no task runner)
0/22Automated tests
0/11Lint / format config
11/11Static type checking — Rust (statically typed)
0/10Reproducible environment
0/10Demonstrated agent practice — no agent-authored commits among the last 100
0/8Automated maintenance — no automated dependency updates observed
10/10OpenSSF Scorecard: Pinned-Dependencies — all dependencies are pinned
Inputs used
has_nixno
has_testsno
lockfiles
has_dockerfileno
typed_languageyes
bootstrap_files
has_devcontainerno
has_linter_configno
typecheck_configs
agent_commit_share0
toolchain_manifestsCargo.toml, flate_bench/Cargo.toml, libflate_lz77/Cargo.toml
dependency_bot_commit_share0
How it's scored
45/45Type-checkable code — Rust (statically typed)
52.7/55Manageable file sizes — 1/24 source files over 60KB
Inputs used
primary_languageRust
largest_source_bytes61,646
source_files_sampled24
oversized_source_files1
How it's scored
0/40API schema (OpenAPI/GraphQL/proto)
0/20MCP server
40/40Runnable examples — examples
Inputs used
example_dirsexamples
has_mcp_signalno
api_schema_files

Key facts

201GitHub stars
20contributors
36commits, last 12 months
0days since last push
11releases
1bus factor
3open issues
crates.iopackage ecosystems

Data collection warnings

  • Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token
  • Could not fetch crates package 'flate_bench' from its registry
  • deps.dev does not index crates:libflate@2.3.1; advisories assessed against the repository dependency graph instead
  • No resolved dependencies carried a version and a supported ecosystem

More detail

Star and fork history 0 ★ / 41 ⇿
0Stars
41Forks
10Releases

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.

0102030404022016-112021-092026-07
Major 1Minor 6Patch 3

Each point covers 9 days.

OpenSSF Scorecard 4.8 / 10
4.8aggregate

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).Scorecard v5.5.0 · 2026-07-25 12:50 UTC

10Binary-Artifactsno binaries found in the repo
0Branch-Protectionbranch protection not enabled on development/release branches
8CI-Tests5 out of 6 merged PRs checked by a CI test -- score normalized to 8
0CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
1Code-ReviewFound 2/14 approved changesets -- score normalized to 1
10Contributorsproject has 8 contributing companies or organizations
10Dangerous-Workflowno dangerous workflow patterns detected
0Dependency-Update-Toolno update tool detected
0Fuzzingproject is not fuzzed
10Licenselicense file detected
5Maintained6 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 5
10Packagingpackaging workflow detected
10Pinned-Dependenciesall dependencies are pinned
0SASTSAST tool is not run on all commits -- score normalized to 0
0Security-Policysecurity policy file not detected
n/aSigned-Releasesno releases found
0Token-Permissionsdetected GitHub workflow tokens with excessive permissions
10Vulnerabilities0 existing vulnerabilities detected
Direct dependencies 12
RegistryPackageVersion constraintManifest
crates.ioadler321Cargo.toml
crates.iocrc32fast1.1.1Cargo.toml
crates.iodary_heap0.3.5Cargo.toml
crates.iolibflate_lz772.3.0Cargo.toml
crates.iono_std_io20.9Cargo.toml
crates.ioclap4flate_bench/Cargo.toml
crates.ioflate2*flate_bench/Cargo.toml
crates.ioinflate*flate_bench/Cargo.toml
crates.iolibflateflate_bench/Cargo.toml
crates.iorle-decode-fast1.0.0libflate_lz77/Cargo.toml
crates.iono_std_io20.9libflate_lz77/Cargo.toml
crates.iohashbrown0.16libflate_lz77/Cargo.toml
All dependencies 10

Full resolved dependency set from the GitHub dependency graph: 10 direct and 0 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

RegistryPackageVersionRelation
crates.ioadler32direct
crates.ioclapdirect
crates.iocrc32fastdirect
crates.iodary_heapdirect
crates.ioflate2direct
crates.iohashbrowndirect
crates.ioinflatedirect
crates.iolibflate_lz77direct
crates.iono_std_io2direct
crates.iorle-decode-fastdirect
Dependency advisories not assessed

Advisory matching could not run for this report: No resolved dependencies carried a version and a supported ecosystem

Raw JSON report machine-readable
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  "data": {
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      "pushed_at": "2026-07-25T12:43:25Z",
      "created_at": "2016-10-05T18:31:06Z",
      "owner_type": "User",
      "updated_at": "2026-07-25T12:43:17Z",
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          "kind": "minor",
          "published_at": "2022-03-25T02:53:21Z"
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      "recent_commits": [
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          "oid": "c53ef6c117342451da1c376be1aec43d5f846de3",
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          "headline": "chore: bump version to 2.3.1",
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        },
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          "oid": "816ad8e6abf174712bcbe2b8ecf706cb189239d3",
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          "headline": "Merge pull request #89 from sile/fix-issue-88",
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        },
        {
          "oid": "7d2aaf91311738a8e1bffefe699c5c8c4b338b9e",
          "body": "- Rename `decode_large_deflate_stream` to `test_issue_88` to match the\n  repo's naming convention for regression tests (`test_issue_64`,\n  `test_issues_3`).\n- Drop the redundant `pub` on the test-only helper.\n- Hoist the WASM payload constant to module scope so the test and the\n  helper share a sing\n[…]\nsh the helper's docstring so it no longer implies the block\n  decoder is still recursive.\n- Guard `blocks - 1` with a `debug_assert!` so misuse (`blocks == 0`)\n  fails loudly instead of wrap-then-OOM.",
          "is_bot": false,
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          "body_truncated": true,
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        },
        {
          "oid": "9428cceb0780372928552936bc5ee9335df1ece6",
          "body": "Both `deflate::Decoder::read` and `gzip::Decoder::read` were written as\nself-recursive tail calls that advance the stream one DEFLATE block (or\none gzip member) per invocation. Rust does not guarantee tail-call\nelimination, so a stream carrying enough consecutive empty stored\nblocks — or a multi-mem\n[…]\ne the same\nstack frame, matching the pattern in the rest of the crate.\n\nAlso gate the `make_large_deflate_stream` test helper on the `std`\nfeature so `cargo test --no-default-features` still compiles.",
          "is_bot": false,
          "headline": "fix: iterate instead of recursing in Decoder::read (issue #88)",
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          "body": "`Read for Decoder` is defined with self-recursive calls in tail position.\nRust does not guarantee tail-call elimination, so a DEFLATE stream that\nchains many empty stored blocks makes the recursion deep enough to\noverflow the thread stack.\n\nThe new test builds such a stream (250_000 empty non-final stored\nblocks followed by a small final block) and decodes it via the gzip\ndecoder; on master the process aborts with `has overflowed its stack`.",
          "is_bot": false,
          "headline": "test: add failing test reproducing stack overflow reported in #88",
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          "is_bot": false,
          "headline": "ci: pin GitHub Actions to commit SHA hashes",
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        },
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          "is_bot": false,
          "headline": "chore: remove authors field from Cargo.toml files",
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        },
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          "headline": "Merge pull request #84 from sile/fix-issue-82",
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        },
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          "headline": "fix: add feature gate for issue_82 test",
          "author_name": "Takeru Ohta",
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        {
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        },
        {
          "name": "inflate",
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        },
        {
          "name": "libflate",
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        },
        {
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          "manifest": "libflate_lz77/Cargo.toml",
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        {
          "name": "no_std_io2",
          "manifest": "libflate_lz77/Cargo.toml",
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        {
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          "login": "sile",
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          "avatar_url": "https://avatars.githubusercontent.com/u/181413?v=4"
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          "login": "Shnatsel",
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          "login": "abraemer",
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          "avatar_url": "https://avatars.githubusercontent.com/u/11058200?v=4"
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          "avatar_url": "https://avatars.githubusercontent.com/u/3309728?v=4"
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          "login": "FauxFaux",
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          "avatar_url": "https://avatars.githubusercontent.com/u/328180?v=4"
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          "avatar_url": "https://avatars.githubusercontent.com/u/8039145?v=4"
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          "login": "HybridEidolon",
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          "avatar_url": "https://avatars.githubusercontent.com/u/141511?v=4"
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          "type": "User",
          "login": "weiznich",
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          "avatar_url": "https://avatars.githubusercontent.com/u/1674512?v=4"
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          "login": "igor-raits",
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      "linter_configs": [],
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      "has_linter_config": false,
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      "scorecard": {
        "checks": [
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            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#binary-artifacts"
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            "name": "Branch-Protection",
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            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#branch-protection"
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            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#cii-best-practices"
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            "reason": "Found 2/14 approved changesets -- score normalized to 1",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#code-review"
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            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#contributors"
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          {
            "name": "Dangerous-Workflow",
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            "reason": "no dangerous workflow patterns detected",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#dangerous-workflow"
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          {
            "name": "Dependency-Update-Tool",
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            "reason": "no update tool detected",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#dependency-update-tool"
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            "name": "Fuzzing",
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          {
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            "reason": "license file detected",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#license"
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            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#sast"
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            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#security-policy"
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                "details": [
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            "notes": [],
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            "inputs": {
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                "points": 0,
                "status": "missed",
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                "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",
        "band": "moderate",
        "name": "Sustainability & Governance",
        "value": 68,
        "weight": 0.24,
        "metrics": [
          {
            "key": "maintainer_resilience",
            "band": "at_risk",
            "name": "Maintainer resilience (bus factor)",
            "note": null,
            "notes": [],
            "value": 35,
            "inputs": {
              "bus_factor": 1,
              "contributors_sampled": 20,
              "top_contributor_share": 0.89
            },
            "components": [
              {
                "key": "bus_factor",
                "name": "Bus factor",
                "detail": "1 contributor(s) cover half of all commits",
                "points": 9,
                "status": "partial",
                "details": [
                  {
                    "code": "bus_factor",
                    "params": {
                      "count": 1
                    }
                  }
                ],
                "max_points": 54
              },
              {
                "key": "commit_distribution",
                "name": "Commit distribution",
                "detail": "top contributor authored 89% of commits",
                "points": 2.5,
                "status": "partial",
                "details": [
                  {
                    "code": "top_contributor_share",
                    "params": {
                      "share": 89
                    }
                  }
                ],
                "max_points": 22.5
              },
              {
                "key": "contributor_breadth",
                "name": "Contributor breadth",
                "detail": "20 contributors",
                "points": 13.5,
                "status": "met",
                "details": [
                  {
                    "code": "contributors_sampled",
                    "params": {
                      "count": 20
                    }
                  }
                ],
                "max_points": 13.5
              },
              {
                "key": "openssf_scorecard_contributors",
                "name": "OpenSSF Scorecard: Contributors",
                "detail": "project has 8 contributing companies or organizations",
                "points": 10,
                "status": "met",
                "details": [],
                "max_points": 10
              }
            ]
          },
          {
            "key": "responsiveness",
            "band": "good",
            "name": "Issue & PR responsiveness",
            "note": null,
            "notes": [],
            "value": 82,
            "inputs": {
              "merged_prs": 45,
              "open_issues": 3,
              "closed_issues": 40,
              "issue_closed_ratio": 0.93,
              "closed_unmerged_prs": 1
            },
            "components": [
              {
                "key": "issue_resolution",
                "name": "Issue resolution",
                "detail": "93% of issues closed",
                "points": 43.5,
                "status": "partial",
                "details": [
                  {
                    "code": "issues_closed_share",
                    "params": {
                      "share": 93
                    }
                  }
                ],
                "max_points": 46.75
              },
              {
                "key": "pr_acceptance",
                "name": "PR acceptance",
                "detail": "45/46 decided PRs merged",
                "points": 37.4,
                "status": "partial",
                "details": [
                  {
                    "code": "decided_prs_merged",
                    "params": {
                      "merged": 45,
                      "decided": 46
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                  }
                ],
                "max_points": 38.25
              },
              {
                "key": "openssf_scorecard_code_review",
                "name": "OpenSSF Scorecard: Code-Review",
                "detail": "Found 2/14 approved changesets -- score normalized to 1",
                "points": 1.5,
                "status": "partial",
                "details": [],
                "max_points": 15
              }
            ]
          },
          {
            "key": "stewardship",
            "band": "moderate",
            "name": "Ownership & stewardship",
            "note": "Excluded from scoring (no data or not applicable): Verified domain. Remaining weights renormalized.",
            "notes": [
              {
                "code": "excluded_no_data",
                "params": {
                  "components": [
                    "verified_domain"
                  ]
                }
              },
              {
                "code": "weights_renormalized",
                "params": {}
              }
            ],
            "value": 68,
            "inputs": {
              "followers": 469,
              "owner_type": "User",
              "is_verified": null,
              "owner_login": "sile",
              "public_repos": 325,
              "account_age_days": 6036
            },
            "components": [
              {
                "key": "ownership_backing",
                "name": "Ownership backing",
                "detail": "personal (user) account",
                "points": 10,
                "status": "partial",
                "details": [
                  {
                    "code": "owner_personal",
                    "params": {}
                  }
                ],
                "max_points": 30
              },
              {
                "key": "verified_domain",
                "name": "Verified domain",
                "detail": "not applicable to user accounts",
                "points": 0,
                "status": "excluded",
                "details": [
                  {
                    "code": "not_applicable_to_user_accounts",
                    "params": {}
                  }
                ],
                "max_points": 20
              },
              {
                "key": "owner_reach",
                "name": "Owner reach",
                "detail": "469 followers of sile",
                "points": 19.2,
                "status": "partial",
                "details": [
                  {
                    "code": "owner_followers",
                    "params": {
                      "count": 469,
                      "login": "sile"
                    }
                  }
                ],
                "max_points": 25
              },
              {
                "key": "track_record",
                "name": "Track record",
                "detail": "325 public repos, account ~16 yr old",
                "points": 25,
                "status": "met",
                "details": [
                  {
                    "code": "public_repos",
                    "params": {
                      "count": 325
                    }
                  },
                  {
                    "code": "account_age_years",
                    "params": {
                      "years": 16
                    }
                  }
                ],
                "max_points": 25
              }
            ]
          },
          {
            "key": "package_maintenance",
            "band": "excellent",
            "name": "Package maintenance",
            "note": null,
            "notes": [],
            "value": 100,
            "inputs": {
              "packages": [
                "libflate",
                "libflate_lz77"
              ],
              "ecosystems": "crates",
              "any_deprecated": false,
              "min_days_since_publish": 0
            },
            "components": [
              {
                "key": "published_resolvable",
                "name": "Published & resolvable",
                "detail": "2 package(s) on crates",
                "points": 25,
                "status": "met",
                "details": [
                  {
                    "code": "packages_published",
                    "params": {
                      "count": 2,
                      "ecosystems": "crates"
                    }
                  }
                ],
                "max_points": 25
              },
              {
                "key": "publish_recency",
                "name": "Publish recency",
                "detail": "latest publish 0 days ago",
                "points": 35,
                "status": "met",
                "details": [
                  {
                    "code": "publish_recency",
                    "params": {
                      "days": 0
                    }
                  }
                ],
                "max_points": 35
              },
              {
                "key": "version_history",
                "name": "Version history",
                "detail": "46 published versions",
                "points": 20,
                "status": "met",
                "details": [
                  {
                    "code": "published_versions",
                    "params": {
                      "count": 46
                    }
                  }
                ],
                "max_points": 20
              },
              {
                "key": "not_deprecated",
                "name": "Not deprecated",
                "detail": "active, not deprecated or yanked",
                "points": 20,
                "status": "met",
                "details": [
                  {
                    "code": "package_not_deprecated",
                    "params": {}
                  }
                ],
                "max_points": 20
              }
            ]
          }
        ],
        "description": "Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?"
      },
      {
        "key": "engineering",
        "band": "moderate",
        "name": "Engineering Quality",
        "value": 54,
        "weight": 0.2,
        "metrics": [
          {
            "key": "engineering_practices",
            "band": "at_risk",
            "name": "Engineering practices",
            "note": null,
            "notes": [],
            "value": 40,
            "inputs": {
              "has_ci": true,
              "has_tests": false,
              "has_editorconfig": false,
              "has_linter_config": false,
              "has_precommit_config": false
            },
            "components": [
              {
                "key": "ci_workflows",
                "name": "CI workflows",
                "detail": "2 workflow(s)",
                "points": 24,
                "status": "met",
                "details": [
                  {
                    "code": "ci_workflows",
                    "params": {
                      "count": 2
                    }
                  }
                ],
                "max_points": 24
              },
              {
                "key": "tests_present",
                "name": "Tests present",
                "detail": null,
                "points": 0,
                "status": "missed",
                "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",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 6.4
              },
              {
                "key": "openssf_scorecard_ci_tests",
                "name": "OpenSSF Scorecard: CI-Tests",
                "detail": "5 out of 6 merged PRs checked by a CI test -- score normalized to 8",
                "points": 16,
                "status": "partial",
                "details": [],
                "max_points": 20
              }
            ]
          },
          {
            "key": "documentation",
            "band": "good",
            "name": "Documentation",
            "note": null,
            "notes": [],
            "value": 75,
            "inputs": {
              "topics": [
                "rust",
                "gzip",
                "zlib",
                "deflate-algorithm"
              ],
              "has_wiki": true,
              "homepage": "https://docs.rs/libflate",
              "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": "https://docs.rs/libflate",
                "points": 15,
                "status": "met",
                "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": 10,
                "status": "met",
                "details": [],
                "max_points": 10
              }
            ]
          }
        ],
        "description": "Are baseline engineering and documentation practices in place?"
      },
      {
        "key": "security",
        "band": "at_risk",
        "name": "Security",
        "value": 36,
        "weight": 0.16,
        "metrics": [
          {
            "key": "security_posture",
            "band": "at_risk",
            "name": "Security posture",
            "note": "Excluded from scoring (no data or not applicable): Signed-Releases. Remaining weights renormalized. High-Risk Jurisdiction Policy applies a 75% multiplier to Security posture and gives it an At risk ceiling of 49.",
            "notes": [
              {
                "code": "excluded_no_data",
                "params": {
                  "components": [
                    "signed_releases"
                  ]
                }
              },
              {
                "code": "weights_renormalized",
                "params": {}
              },
              {
                "code": "jurisdiction_posture_adjustment",
                "params": {
                  "cap": 49,
                  "pct": 75
                }
              }
            ],
            "value": 36,
            "inputs": {
              "source": "openssf_scorecard",
              "checks_evaluated": 17,
              "scorecard_version": "v5.5.0",
              "checks_inconclusive": 1,
              "scorecard_aggregate": 4.8,
              "high_risk_jurisdiction_cap": 49,
              "high_risk_jurisdiction_multiplier": 75,
              "security_posture_after_multiplier": 36,
              "security_posture_before_jurisdiction": 48
            },
            "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": "5 out of 6 merged PRs checked by a CI test -- score normalized to 8",
                "points": 2,
                "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",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 2.5
              },
              {
                "key": "code_review",
                "name": "Code-Review",
                "detail": "Found 2/14 approved changesets -- score normalized to 1",
                "points": 0.8,
                "status": "partial",
                "details": [],
                "max_points": 7.5
              },
              {
                "key": "contributors",
                "name": "Contributors",
                "detail": "project has 8 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": [],
                "max_points": 5
              },
              {
                "key": "license",
                "name": "License",
                "detail": "license file detected",
                "points": 2.5,
                "status": "met",
                "details": [],
                "max_points": 2.5
              },
              {
                "key": "maintained",
                "name": "Maintained",
                "detail": "6 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 5",
                "points": 3.8,
                "status": "partial",
                "details": [],
                "max_points": 7.5
              },
              {
                "key": "packaging",
                "name": "Packaging",
                "detail": "packaging workflow detected",
                "points": 5,
                "status": "met",
                "details": [],
                "max_points": 5
              },
              {
                "key": "pinned_dependencies",
                "name": "Pinned-Dependencies",
                "detail": "all dependencies are pinned",
                "points": 5,
                "status": "met",
                "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 not detected",
                "points": 0,
                "status": "missed",
                "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": "high_risk_jurisdiction_exposure",
            "band": "good",
            "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": 75,
            "inputs": {
              "meaning": "self-published location evidence; not nationality or citizenship",
              "red_flag": true,
              "exposures": [
                {
                  "role": "contributor_organization",
                  "count": 1,
                  "country": "Russia"
                }
              ],
              "policy_countries": [
                "Russia",
                "Iran",
                "North Korea"
              ],
              "review_only_matches": 0,
              "assessed_self_published_locations": 17
            },
            "components": [
              {
                "key": "policy_exposure_multiplier",
                "name": "Policy exposure multiplier",
                "detail": "Russia: contributor_organization (1)",
                "points": 75,
                "status": "partial",
                "details": [
                  {
                    "code": "jurisdiction_exposure",
                    "params": {
                      "role": "contributor_organization",
                      "count": 1,
                      "country": "Russia"
                    }
                  }
                ],
                "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": "at_risk",
        "name": "AI Readiness",
        "value": 43,
        "weight": 0,
        "metrics": [
          {
            "key": "ai_agent_context",
            "band": "critical",
            "name": "Agent context & guidance",
            "note": null,
            "notes": [],
            "value": 28,
            "inputs": {
              "has_llms_txt": false,
              "legible_history_share": 0.53,
              "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": "53 of 100 human commits state their intent (structured subject or explanatory body)",
                "points": 28.3,
                "status": "partial",
                "details": [
                  {
                    "code": "legible_history",
                    "params": {
                      "legible": 53,
                      "sampled": 100
                    }
                  }
                ],
                "max_points": 40
              }
            ]
          },
          {
            "key": "ai_verify_loop",
            "band": "at_risk",
            "name": "Verify loop (build / test / typecheck)",
            "note": null,
            "notes": [],
            "value": 34,
            "inputs": {
              "has_nix": false,
              "has_tests": false,
              "lockfiles": [],
              "has_dockerfile": false,
              "typed_language": true,
              "bootstrap_files": [],
              "has_devcontainer": false,
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              "typecheck_configs": [],
              "agent_commit_share": 0,
              "toolchain_manifests": [
                "Cargo.toml",
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              "dependency_bot_commit_share": 0
            },
            "components": [
              {
                "key": "one_command_bootstrap",
                "name": "One-command bootstrap",
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                "points": 12.6,
                "status": "partial",
                "details": [
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                    "code": "toolchain_convention",
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                      "files": "Cargo.toml, flate_bench/Cargo.toml, libflate_lz77/Cargo.toml"
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                  }
                ],
                "max_points": 18
              },
              {
                "key": "automated_tests",
                "name": "Automated tests",
                "detail": null,
                "points": 0,
                "status": "missed",
                "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": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "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": "no automated dependency updates observed",
                "points": 0,
                "status": "missed",
                "details": [
                  {
                    "code": "no_dependency_automation",
                    "params": {}
                  }
                ],
                "max_points": 8
              },
              {
                "key": "openssf_scorecard_pinned_dependencies",
                "name": "OpenSSF Scorecard: Pinned-Dependencies",
                "detail": "all dependencies are pinned",
                "points": 10,
                "status": "met",
                "details": [],
                "max_points": 10
              }
            ]
          },
          {
            "key": "ai_code_legibility",
            "band": "excellent",
            "name": "Code legibility for models",
            "note": null,
            "notes": [],
            "value": 98,
            "inputs": {
              "primary_language": "Rust",
              "largest_source_bytes": 61646,
              "source_files_sampled": 24,
              "oversized_source_files": 1
            },
            "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": "1/24 source files over 60KB",
                "points": 52.7,
                "status": "partial",
                "details": [
                  {
                    "code": "oversized_source_files",
                    "params": {
                      "kb": 60,
                      "sampled": 24,
                      "oversized": 1
                    }
                  }
                ],
                "max_points": 55
              }
            ]
          },
          {
            "key": "ai_interfaces",
            "band": "at_risk",
            "name": "Machine-readable interfaces",
            "note": null,
            "notes": [],
            "value": 40,
            "inputs": {
              "example_dirs": [
                "examples"
              ],
              "has_mcp_signal": false,
              "api_schema_files": []
            },
            "components": [
              {
                "key": "api_schema_openapi_graphql_proto",
                "name": "API schema (OpenAPI/GraphQL/proto)",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 40
              },
              {
                "key": "mcp_server",
                "name": "MCP server",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 20
              },
              {
                "key": "runnable_examples",
                "name": "Runnable examples",
                "detail": "examples",
                "points": 40,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": "examples"
                    }
                  }
                ],
                "max_points": 40
              }
            ]
          }
        ],
        "description": "How well is the repo equipped to be developed and maintained with AI coding agents? An independent, experimental badge — weight 0.0, so it is surfaced on its own and does not affect the overall health score."
      }
    ],
    "metrics_version": "1.13.0"
  },
  "warnings": [
    "Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token",
    "Could not fetch crates package 'flate_bench' from its registry",
    "deps.dev does not index crates:libflate@2.3.1; advisories assessed against the repository dependency graph instead",
    "No resolved dependencies carried a version and a supported ecosystem"
  ],
  "report_type": "repository",
  "generated_at": "2026-07-25T12:50:51.377008Z",
  "schema_version": "0.27.0",
  "badge_url": "https://raw.githubusercontent.com/inspect-software/badges/main/v1/s/sile/libflate.svg",
  "full_name": "sile/libflate",
  "license_state": "standard",
  "license_spdx": "MIT"
}

Scores are signals, not warranties. They reflect publicly visible practices on GitHub — not a code audit, and not a security guarantee.

Missing data is excluded and weights renormalized, never scored as zero. Methodology is versioned and open: metrics v1.13.0, schema v0.27.0 — full methodology · metrics wiki.

How one result sits in the wider record: aggregate statisticscrates.io.