Public record
Software health reportschema 0.34.0 · metrics 2.10.0 · 2026-10-24 16:57 UTC

oorabona / node-liblzma

Native Node.js bindings for liblzma (XZ/LZMA2). Streaming, buffer and async APIs with browser support via WebAssembly. zlib-like API, TypeScript-first, prebuilt binaries for Linux/macOS/Windows.

TypeScriptLGPL-3.0★ 11 stars⑂ 4 forkssince Oct 2014View on GitHub ↗

oorabona/node-liblzma holds a health index of 86 out of 100, placing it in the Excellent band. It scores highest on Vitality (91/100) and lowest on Community & Adoption (50/100). It was last updated today. A single contributor accounts for most of its recent work.

86
overall / 100
Excellent

Software health index

Metrics are grouped into weighted categories on one standardized 1–100 scale. Overall starts as their weighted mean, calibrated against the distribution of the public record so bands carry percentile meaning; when public evidence triggers the High-Risk Jurisdiction Policy, the rating is adjusted and receives an At Risk ceiling of 34.

86
Exceptional93-100The record's top tier (≈ top 5%); essentially all checked criteria met
Excellent80-92Strong across the board; minor gaps
Good65-79Healthy; gaps are limited and manageable
Moderate50-64Acceptable with notable gaps; review recommended
Weak35-49Material weaknesses across several areas
At Risk20-34Significant weaknesses; adoption warrants caution
Critical1-19Severe 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.

The weighted overall 72 is calibrated to 86 on the published index scale (record calibration 2026-08-02).

Ownership

Olivier OrabonaPersonal account
16 followers52 public repossince Feb 2012

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

Package ecosystems

Metrics by category

Vitality

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

91Excellent · 21% of overall
How it's scored
36/36Push recency — last push 0 days ago
27/36Commit cadence — 39/52 weeks with commits
18/18Commit volume — 535 commits in the last year
10/10OpenSSF Scorecard: Maintained — 30 commit(s) and 19 issue activity found in the last 90 days -- score normalized to 10
Inputs used
commits_last_year535
human_commit_share0.96
days_since_last_push0
active_weeks_last_year39
How it's scored
27/27Ships releases — 32 releases published
36/36Release recency — latest release 40 days ago
27/27Release cadence — a release every ~20.5 days
0/10OpenSSF Scorecard: Signed-Releases — Project has not signed or included provenance with any releases.
Inputs used
releases_count32
latest_release_tagv5.1.3
releases_from_tagsno
days_since_latest_release40
mean_days_between_releases20.5

Community & Adoption

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

50Moderate · 17% of overall
How it's scored
16.2/60Stars — 11 stars
4/25Forks — 4 forks
0/15Watchers — 2 watchers
Inputs used
forks4
stars11
watchers2
growth_stateunverified
growth_factor_pct100
growth_unverified_reasonno_history
How it's scored
22.5/22.5README
22.5/22.5License — recognized license (LGPL-3.0)
0/18CONTRIBUTING guide
0/13.5Code of conduct
0/7.2Issue template
0/6.3PR template
Inputs used
has_readmeyes
has_licenseyes
readme_badges10
has_contributingno
has_issue_templateno
has_code_of_conductno
readme_badge_servicescodecov.io, github.com, shields.io
has_pull_request_templateno
How it's scored
80/80Monthly downloads — 6,253,686 downloads/month across npm
0/20Registry dependents — not reported by this ecosystem
Inputs used
packagesnode-liblzma
dependents—
ecosystemsnpm
total_downloads—
monthly_downloads6,253,686
unverified_packages_excluded—
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?

60Moderate · 23% of overall
How it's scored
9/54Bus factor — 1 contributor(s) cover half of all commits
0.2/22.5Commit distribution — top contributor authored 99% of commits
5.4/13.5Contributor breadth — 4 contributors
10/10OpenSSF Scorecard: Contributors — project has 3 contributing companies or organizations -- score normalized to 10
Inputs used
bus_factor1
contributors_sampled4
top_contributor_share0.992
How it's scored
41.1/42Issue resolution — 98% of issues closed
23.8/30PR acceptance — 130/164 decided PRs merged
0/13Newcomer PR acceptance — no first-time contributor's PR decided in 30d
0/15OpenSSF Scorecard: Code-Review — Found 0/29 approved changesets -- score normalized to 0
Inputs used
merged_prs130
open_issues1
closed_issues45
prs_merged_7d0
prs_decided_7d0
prs_merged_30d0
prs_decided_30d0
issue_closed_ratio0.978
closed_unmerged_prs34
first_time_authors_30d0
first_time_prs_merged_30d0
first_time_prs_decided_30d0
Excluded from scoring (no data or not applicable): Newcomer PR acceptance. Remaining weights renormalized.
How it's scored
10/30Ownership backing — personal (user) account
0/20Verified domain — not applicable to user accounts
8.8/25Owner reach — 16 followers of oorabona
24.6/25Track record — 52 public repos, account ~14 yr old
Inputs used
followers16
owner_typeUser
is_verified—
owner_loginoorabona
public_repos52
account_age_days5,359
Excluded from scoring (no data or not applicable): Verified domain. Remaining weights renormalized.

Package maintenance

100Exceptional
How it's scored
25/25Published & resolvable — 1 package(s) on npm
35/35Publish recency — latest publish 40 days ago
20/20Version history — 62 published versions
20/20Not deprecated — active, not deprecated or yanked
Inputs used
packagesnode-liblzma
ecosystemsnpm
any_deprecatedno
min_days_since_publish40

Engineering Quality

Are baseline engineering and documentation practices in place?

90Excellent · 19% of overall
How it's scored
24/24CI workflows — 12 workflow(s)
24/24Tests present
16/16Linter config — biome.json
0/9.6Pre-commit hooks
0/6.4.editorconfig
20/20OpenSSF Scorecard: CI-Tests — 1 out of 1 merged PRs checked by a CI test -- score normalized to 10
Inputs used
has_ciyes
has_testsyes
has_editorconfigno
has_linter_configyes
has_precommit_configno

Documentation

100Exceptional
How it's scored
30/30README
25/25Documentation directory
15/15Documentation / homepage site — http://oorabona.github.io/node-liblzma/
10/10Repository description
10/10Topics — 20 topics
10/10Wiki
Inputs used
topicsbrowser, cli, compress, decompress, lzma, lzma2, monorepo, napi, native, nodejs, streaming, tar, typescript, wasm, webassembly, xz, zlib, archive, tar-xz, xz-utils
has_wikiyes
homepagehttp://oorabona.github.io/node-liblzma/
docs_sitehttp://oorabona.github.io/node-liblzma/
has_readmeyes
has_docs_diryes
has_descriptionyes

Security

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

63Moderate · 16% of overall
How it's scored
7.5/7.5Binary-Artifacts — no binaries found in the repo
3.8/7.5Branch-Protection — branch protection is not maximal on development and all release branches
2.5/2.5CI-Tests — 1 out of 1 merged PRs checked by a CI test -- score normalized to 10
0/2.5CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected
0/7.5Code-Review — Found 0/29 approved changesets -- score normalized to 0
2.5/2.5Contributors — project has 3 contributing companies or organizations -- score normalized to 10
10/10Dangerous-Workflow — no dangerous workflow patterns detected
7.5/7.5Dependency-Update-Tool — update tool detected
0/5Fuzzing — project is not fuzzed
2.5/2.5License — license file detected
7.5/7.5Maintained — 30 commit(s) and 19 issue activity found in the last 90 days -- score normalized to 10
5/5Packaging — packaging workflow detected
0/5Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0
3.5/5SAST — SAST tool detected but not run on all commits
0/5Security-Policy — security policy file not detected
0/7.5Signed-Releases — Project has not signed or included provenance with any releases.
0/7.5Token-Permissions — detected GitHub workflow tokens with excessive permissions
4.5/7.5Vulnerabilities — 4 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated18
scorecard_versionv5.5.0
checks_inconclusive0
scorecard_aggregate5.4

Dependency advisories

100Exceptional
How it's scored
35/35Direct dependencies free of known advisories — no direct dependency carries a known advisory
25/25Indirect dependencies free of known advisories — no indirect dependency carries a known advisory
0/40No advisories left outstanding — no advisory carries a publication date
Inputs used
sourceosv
advisories0
affected_packages0
assessed_packages2
unassessed_packages0
affected_by_severitynone
direct_affected_packages0
Excluded from scoring (no data or not applicable): No advisories left outstanding. Remaining weights renormalized. Matched the npm:node-liblzma@5.1.3 runtime dependency closure — what installing the published package pulls in — 2 packages. Reachability is not analyzed.

AI Readiness

How well is the repo equipped to be developed and maintained with AI coding agents? Carries a deliberately small weight (4%): agent tooling is a real maintenance signal, but a repository with none can still reach 100/100.

85Excellent · 4% of overall
How it's scored
45/45Agent instructions — CLAUDE.md
15/15Machine-readable docs (llms.txt) — llms.txt present
40/40Legible commit history — 96 of 96 human commits state their intent (structured subject or explanatory body)
Inputs used
has_llms_txtyes
llms_txt_url—
legible_history_share1
agent_instruction_filesCLAUDE.md
agent_instruction_max_bytes3,634
How it's scored
0/18One-command bootstrap
22/22Automated tests
11/11Lint / format config — biome.json
11/11Static type checking — packages/nxz/tsconfig.json, packages/tar-xz/tsconfig.json, test/tsconfig.json, tsconfig.json
10/10Reproducible environment — lockfile
0/10Demonstrated agent practice — no agent-authored commits among the last 100
8/8Automated maintenance — 3 of the last 100 commits are automated dependency updates
0/10OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0
Inputs used
has_nixno
has_testsyes
lockfilespnpm-lock.yaml
has_dockerfileno
typed_languageyes
bootstrap_files—
has_devcontainerno
has_linter_configyes
typecheck_configspackages/nxz/tsconfig.json, packages/tar-xz/tsconfig.json, test/tsconfig.json, tsconfig.json
agent_commit_share0
toolchain_manifests—
dependency_bot_commit_share0.03
How it's scored
45/45Type-checkable code — TypeScript (statically typed)
54.5/55Manageable file sizes — 1/116 source files over 60KB
Inputs used
primary_languageTypeScript
largest_source_bytes142,667
source_files_sampled116
oversized_source_files1
How it's scored
0/40API schema (OpenAPI/GraphQL/proto) — not applicable to this kind of software
0/20MCP server — not applicable to this kind of software
40/40Runnable examples — examples
Inputs used
example_dirsexamples
has_mcp_signalno
api_schema_files—
interfaces_expected_of—
Excluded from scoring (no data or not applicable): API schema (OpenAPI/GraphQL/proto), MCP server. Remaining weights renormalized.

Key facts

11GitHub stars
4contributors
535commits, last 12 months
0days since last push
32releases
1bus factor
1open issues
npmpackage ecosystems

Data collection warnings

  • Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token

More detail

Star and fork history 0 ★ / 4 ⇿
0Stars
4Forks
20Releases

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.

1223344412015-102020-122026-03
Major 2Minor 4Patch 14

Each point covers 10 days.

OpenSSF Scorecard 5.4 / 10
5.4aggregate

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 · 2026-10-24 16:57 UTC

10Binary-Artifactsno binaries found in the repo
5Branch-Protectionbranch protection is not maximal on development and all release branches
10CI-Tests1 out of 1 merged PRs checked by a CI test -- score normalized to 10
0CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
0Code-ReviewFound 0/29 approved changesets -- score normalized to 0
10Contributorsproject has 3 contributing companies or organizations -- score normalized to 10
10Dangerous-Workflowno dangerous workflow patterns detected
10Dependency-Update-Toolupdate tool detected
0Fuzzingproject is not fuzzed
10Licenselicense file detected
10Maintained30 commit(s) and 19 issue activity found in the last 90 days -- score normalized to 10
10Packagingpackaging workflow detected
0Pinned-Dependenciesdependency not pinned by hash detected -- score normalized to 0
7SASTSAST tool detected but not run on all commits
0Security-Policysecurity policy file not detected
0Signed-ReleasesProject has not signed or included provenance with any releases.
0Token-Permissionsdetected GitHub workflow tokens with excessive permissions
6Vulnerabilities4 existing vulnerabilities detected
Direct dependencies 2
RegistryPackageVersion constraintManifest
npmnode-addon-api^8.6.0package.json
npmnode-gyp-build^4.8.4package.json
All dependencies 482

Full resolved dependency set from the GitHub dependency graph: 2 direct and 480 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

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npmjs-tokens10.0.0indirect
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npmmerge21.4.1indirect
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npmminimatch10.2.6indirect
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npmminimist-options4.1.0indirect
npmminipass7.1.3indirect
npmminizlib3.1.0indirect
npmmkdirp-classic0.5.3indirect
npmmonocart-coverage-reports2.13.2indirect
npmmonocart-locator1.0.6indirect
npmmrmime2.0.1indirect
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npmmute-stream3.0.0indirect
npmnano-staged0.9.0indirect
npmnanoid3.3.20indirect
npmnetmask2.1.1indirect
npmnew-github-release-url2.0.0indirect
npmnode-abi3.101.0indirect
npmnode-gyp13.1.0indirect
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npmnopt10.0.1indirect
npmnormalize-package-data2.5.0indirect
npmnormalize-package-data3.0.3indirect
npmnpm-run-path3.1.0indirect
npmobug2.2.1indirect
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npmparse-json5.2.0indirect
npmparse-path7.1.0indirect
npmparse-url9.2.0indirect
npmpath-exists4.0.0indirect
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npmperfect-debounce2.1.0indirect
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npmproc-log7.0.0indirect
npmprotocols2.0.2indirect
npmproxy-agent8.0.2indirect
npmproxy-agent-negotiate1.1.0indirect
npmproxy-from-env2.1.0indirect
npmpump3.0.4indirect
npmpunycode.js2.3.1indirect
npmqueue-microtask1.2.3indirect
npmquick-lru4.0.1indirect
npmquickjs-wasi2.2.0indirect
npmrc93.1.0indirect
npmreact-is18.3.1indirect
npmread-pkg5.2.0indirect
npmread-pkg-up7.0.1indirect
npmreadable-stream3.6.2indirect
npmreaddirp5.1.1indirect
npmredent3.0.0indirect
npmrelease-it21.1.1indirect
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npmrestore-cursor5.1.0indirect
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npmreusify1.1.0indirect
npmrolldown1.2.15indirect
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npmstackback0.0.2indirect
npmstd-env4.3.0indirect
npmstdin-discarder0.3.2indirect
npmstring-width4.2.3indirect
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npmstring_decoder1.3.0indirect
npmstrip-ansi6.0.1indirect
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npmsupports-color7.2.0indirect
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npmsupports-preserve-symlinks-flag1.0.0indirect
npmtar7.5.22indirect
npmtar-fs2.1.5indirect
npmtar-stream2.2.0indirect
npmtinybench2.9.0indirect
npmtinyexec1.3.1indirect
npmtinyglobby0.2.17indirect
npmtinyrainbow3.2.0indirect
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npmundici7.29.1indirect
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npmuniversal-user-agent7.0.3indirect
npmupdate-browserslist-db1.3.4indirect
npmurl-join5.0.0indirect
npmutil-deprecate1.0.2indirect
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npmverkit0.5.0indirect
npmvite8.3.5indirect
npmvite^7.3.1indirect
npmvite^8.0.11indirect
npmvitest4.1.12indirect
npmvitestcatalog:indirect
npmwhich7.0.0indirect
npmwhy-is-node-running2.3.0indirect
npmwildcard-match5.1.6indirect
npmwindows-release7.1.1indirect
npmwrappy1.0.2indirect
npmwsl-utils1.0.1indirect
npmyallist3.1.1indirect
npmyallist4.0.0indirect
npmyallist5.0.0indirect
npmyaml2.9.1indirect
npmyargs-parser20.2.9indirect
npmyoctocolors2.2.0indirect
npmzod4.6.7indirect
Dependency advisories 0

Installing npm:node-liblzma@5.1.3 pulls in 2 packages, direct and transitive: 0 carry known advisories, of which 0 are direct dependencies.

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

Feedback

Spotted something off in this report, or have thoughts to share? Wrong measurements, missed tooling, ideas, questions — anything is welcome. Every message is read and gets a response.

The message is kept through sign-in.

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 v2.10.0, schema v0.34.0 — full methodology · metrics wiki.

How one result sits in the wider record: aggregate statistics — npm.