Public record
Software health reportschema 0.34.0 · metrics 2.10.0 · 2026-09-10 20:44 UTC

MayamaTakeshi / data-matching

Matches a data object against a reference value

JavaScript · TypeScriptMIT★ 1 star⑂ 0 forkssince Dec 2017View on GitHub ↗
KindLibraryhow this is determined

MayamaTakeshi/data-matching holds a health index of 34 out of 100, placing it in the At Risk band. It scores highest on Security (50/100) and lowest on Vitality (23/100). It was last updated 48 days ago. A single contributor accounts for most of its recent work.

34
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, 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.

34
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 39 is calibrated to 34 on the published index scale (record calibration 2026-08-02).

Ownership

MayamaTakeshiPersonal account
27 followers252 public repossince Jul 2013

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
npmdata-matching1.51.12807448 days agomatchingpatternstring-matchingdatacollection

Metrics by category

Vitality

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

23At Risk · 21% of overall

Development activity

38Weak
How it's scored
18/36Push recency — last push 48 days ago
2.1/36Commit cadence — 3/52 weeks with commits
9.4/18Commit volume — 10 commits in the last year
9/10OpenSSF Scorecard: Maintained — 9 commit(s) and 2 issue activity found in the last 90 days -- score normalized to 9
Inputs used
commits_last_year10
human_commit_share0.98
days_since_last_push48
active_weeks_last_year3

Release discipline

1Critical
How it's scored
0/27Ships releases — no releases published
0/36Release recency — no releases
0/27Release cadence — no releases
0/10OpenSSF Scorecard: Signed-Releases — no data
Inputs used
releases_count0
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?

28At Risk · 17% of overall

Popularity & adoption

1Critical
How it's scored
0/60Stars — 1 stars
0/25Forks — 0 forks
0/15Watchers — 1 watchers
Inputs used
forks0
stars1
watchers1
growth_stateunverified
growth_factor_pct100
growth_unverified_reasonno_history

Community health

50Moderate
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
readme_badges0
has_contributingno
has_issue_templateno
has_code_of_conductno
readme_badge_services—
has_pull_request_templateno

Ecosystem adoption (downloads)

41Weak
How it's scored
32.6/80Monthly downloads — 280 downloads/month across npm
0/20Registry dependents — not reported by this ecosystem
Inputs used
packagesdata-matching
dependents—
ecosystemsnpm
total_downloads—
monthly_downloads280
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?

48Weak · 23% of overall

Maintainer resilience (bus factor)

12Critical
How it's scored
9/54Bus factor — 1 contributor(s) cover half of all commits
0.3/22.5Commit distribution — top contributor authored 99% of commits
2.7/13.5Contributor breadth — 2 contributors
0/10OpenSSF Scorecard: Contributors — project has 0 contributing companies or organizations -- score normalized to 0
Inputs used
bus_factor1
contributors_sampled2
top_contributor_share0.988

Issue & PR responsiveness

40Weak
How it's scored
27/42Issue resolution — 64% of issues closed
7.5/30PR acceptance — 2/8 decided PRs merged
0/13Newcomer PR acceptance — no first-time contributor's PR decided in 30d
0/15OpenSSF Scorecard: Code-Review — Found 0/30 approved changesets -- score normalized to 0
Inputs used
merged_prs2
open_issues5
closed_issues9
prs_merged_7d0
prs_decided_7d0
prs_merged_30d0
prs_decided_30d0
issue_closed_ratio0.643
closed_unmerged_prs6
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.

Ownership & stewardship

57Moderate
How it's scored
10/30Ownership backing — personal (user) account
0/20Verified domain — not applicable to user accounts
10.4/25Owner reach — 27 followers of MayamaTakeshi
25/25Track record — 252 public repos, account ~13 yr old
Inputs used
followers27
owner_typeUser
is_verified—
owner_loginMayamaTakeshi
public_repos252
account_age_days4,789
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 48 days ago
20/20Version history — 74 published versions
20/20Not deprecated — active, not deprecated or yanked
Inputs used
packagesdata-matching
ecosystemsnpm
any_deprecatedno
min_days_since_publish48

Engineering Quality

Are baseline engineering and documentation practices in place?

43Weak · 19% of overall

Engineering practices

38Weak
How it's scored
0/24CI workflows
24/24Tests present
0/16Linter config
0/9.6Pre-commit hooks
6.4/6.4.editorconfig
0/20OpenSSF Scorecard: CI-Tests — no data
Inputs used
has_cino
has_testsyes
has_editorconfigyes
has_linter_configno
has_precommit_configno
Excluded from scoring (no data or not applicable): OpenSSF Scorecard: CI-Tests. Remaining weights renormalized.

Documentation

50Moderate
How it's scored
30/30README
0/25Documentation directory
0/15Documentation / homepage site
10/10Repository description
0/10Topics
10/10Wiki
Inputs used
topics—
has_wikiyes
homepage—
docs_site—
has_readmeyes
has_docs_dirno
has_descriptionyes

Security

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

50Moderate · 16% of overall

Security posture

43Weak
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
0/2.5CI-Tests — no data
0/2.5CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected
0/7.5Code-Review — Found 0/30 approved changesets -- score normalized to 0
0/2.5Contributors — project has 0 contributing companies or organizations -- score normalized to 0
0/10Dangerous-Workflow — no data
7.5/7.5Dependency-Update-Tool — update tool detected
0/5Fuzzing — project is not fuzzed
2.5/2.5License — license file detected
6.8/7.5Maintained — 9 commit(s) and 2 issue activity found in the last 90 days -- score normalized to 9
0/5Packaging — no data
0/5Pinned-Dependencies — no data
0/5SAST — no SAST tool detected
0/5Security-Policy — security policy file not detected
0/7.5Signed-Releases — no data
0/7.5Token-Permissions — no data
4.5/7.5Vulnerabilities — 4 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated12
scorecard_versionv5.5.0
checks_inconclusive6
scorecard_aggregate4.3
Excluded from scoring (no data or not applicable): CI-Tests, Dangerous-Workflow, Packaging, Pinned-Dependencies, Signed-Releases, Token-Permissions. Remaining weights renormalized.

Dependency advisories

79Good
How it's scored
35/35Direct dependencies free of known advisories — no direct dependency carries a known advisory
10/25Indirect dependencies free of known advisories — 1 affected: uuid 8.3.2 (high 7.5)
33.7/40No advisories left outstanding — 1 advisory-carrying package(s) unaddressed past 90 days; oldest published 140 days ago
Inputs used
sourceosv
advisories1
affected_packages1
assessed_packages29
unassessed_packages0
affected_by_severityhigh 1
direct_affected_packages0
Matched the npm:data-matching@1.51.1 runtime dependency closure — what installing the published package pulls in — 29 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.

44Weak · 4% of overall

Agent context & guidance

7Critical
How it's scored
0/45Agent instructions — no CLAUDE.md / AGENTS.md / editor rules
0/15Machine-readable docs (llms.txt)
7.1/40Legible commit history — 13 of 98 human commits state their intent (structured subject or explanatory body)
Inputs used
has_llms_txtno
llms_txt_url—
legible_history_share0.133
agent_instruction_files—
agent_instruction_max_bytes—

Verify loop (build / test / typecheck)

57Moderate
How it's scored
0/18One-command bootstrap
22/22Automated tests
0/11Lint / format config
11/11Static type checking — tsconfig.json
10/10Reproducible environment — lockfile
0/10Demonstrated agent practice — no agent-authored commits among the last 100
8/8Automated maintenance — 2 of the last 100 commits are automated dependency updates
0/10OpenSSF Scorecard: Pinned-Dependencies — no data
Inputs used
has_nixno
has_testsyes
lockfilespackage-lock.json
has_dockerfileno
typed_languageno
bootstrap_files—
has_devcontainerno
has_linter_configno
typecheck_configstsconfig.json
agent_commit_share0
toolchain_manifests—
dependency_bot_commit_share0.02
Excluded from scoring (no data or not applicable): OpenSSF Scorecard: Pinned-Dependencies. Remaining weights renormalized.

Code legibility for models

82Excellent
How it's scored
27/45Type-checkable code — JavaScript with type-check config (tsconfig.json)
55/55Manageable file sizes — 0/6 source files over 60KB
Inputs used
primary_languageJavaScript
largest_source_bytes25,519
source_files_sampled6
oversized_source_files0

Key facts

1GitHub stars
2contributors
10commits, last 12 months
48days since last push
0releases
1bus factor
5open issues
npmpackage ecosystems

Data collection warnings

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

More detail

OpenSSF Scorecard 4.3 / 10
4.3aggregate

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 · 2026-09-10 20:44 UTC

10Binary-Artifactsno binaries found in the repo
0Branch-Protectionbranch protection not enabled on development/release branches
n/aCI-Testsno pull request found
0CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
0Code-ReviewFound 0/30 approved changesets -- score normalized to 0
0Contributorsproject has 0 contributing companies or organizations -- score normalized to 0
n/aDangerous-Workflowno workflows found
10Dependency-Update-Toolupdate tool detected
0Fuzzingproject is not fuzzed
10Licenselicense file detected
9Maintained9 commit(s) and 2 issue activity found in the last 90 days -- score normalized to 9
n/aPackagingpackaging workflow not detected
n/aPinned-Dependenciesno dependencies found
0SASTno SAST tool detected
0Security-Policysecurity policy file not detected
n/aSigned-Releasesno releases found
n/aToken-PermissionsNo tokens found
6Vulnerabilities4 existing vulnerabilities detected
Direct dependencies 6
RegistryPackageVersion constraintManifest
npmbraces^3.0.2package.json
npmfast-xml-parser^5.2.4package.json
npmlodash^4.17.21package.json
npmset-value^4.0.1package.json
npmstring-matching^1.11.8package.json
npmtmpl^1.0.5package.json
All dependencies 349

Full resolved dependency set from the GitHub dependency graph: 6 direct and 343 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

RegistryPackageVersionRelation
npmbraces3.0.3direct
npmfast-xml-parser5.10.1direct
npmlodash4.18.1direct
npmset-value4.1.0direct
npmstring-matching1.11.8direct
npmtmpl1.0.5direct
npm@babel/code-frame7.29.7indirect
npm@babel/compat-data7.29.7indirect
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npm@babel/helper-globals7.29.7indirect
npm@babel/helper-module-imports7.29.7indirect
npm@babel/helper-module-transforms7.29.7indirect
npm@babel/helper-plugin-utils7.29.7indirect
npm@babel/helper-string-parser7.29.7indirect
npm@babel/helper-validator-identifier7.29.7indirect
npm@babel/helper-validator-option7.29.7indirect
npm@babel/helpers7.29.7indirect
npm@babel/parser7.29.7indirect
npm@babel/plugin-syntax-async-generators7.8.4indirect
npm@babel/plugin-syntax-bigint7.8.3indirect
npm@babel/plugin-syntax-class-properties7.12.13indirect
npm@babel/plugin-syntax-class-static-block7.14.5indirect
npm@babel/plugin-syntax-import-attributes7.29.7indirect
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npmmerge-stream2.0.0indirect
npmmicromatch4.0.8indirect
npmmimic-fn2.1.0indirect
npmminimatch3.1.5indirect
npmminimatch9.0.9indirect
npmminimist1.2.8indirect
npmminipass7.1.3indirect
npmms2.1.3indirect
npmnapi-postinstall0.3.4indirect
npmnatural-compare1.4.0indirect
npmneo-async2.6.2indirect
npmnode-int640.4.0indirect
npmnode-releases2.0.51indirect
npmnormalize-path3.0.0indirect
npmnpm-run-path4.0.1indirect
npmonce1.4.0indirect
npmonetime5.1.2indirect
npmp-limit2.3.0indirect
npmp-limit3.1.0indirect
npmp-locate4.1.0indirect
npmp-try2.2.0indirect
npmpackage-json-from-dist1.0.1indirect
npmparse-json5.2.0indirect
npmpath-exists4.0.0indirect
npmpath-expression-matcher1.6.2indirect
npmpath-is-absolute1.0.1indirect
npmpath-key3.1.1indirect
npmpath-scurry1.11.1indirect
npmpicocolors1.1.1indirect
npmpicomatch2.3.2indirect
npmpicomatch4.0.5indirect
npmpirates4.0.7indirect
npmpkg-dir4.2.0indirect
npmpretty-format29.7.0indirect
npmpretty-format30.4.1indirect
npmpure-rand7.0.1indirect
npmreact-is18.3.1indirect
npmreact-is19.2.8indirect
npmrequire-directory2.1.1indirect
npmresolve-cwd3.0.0indirect
npmresolve-from5.0.0indirect
npmsemver6.3.1indirect
npmsemver7.8.5indirect
npmshebang-command2.0.0indirect
npmshebang-regex3.0.0indirect
npmsignal-exit3.0.7indirect
npmsignal-exit4.1.0indirect
npmslash3.0.0indirect
npmsource-map0.6.1indirect
npmsource-map-support0.5.13indirect
npmsprintf-js1.0.3indirect
npmstack-utils2.0.6indirect
npmstring-length4.0.2indirect
npmstring-width4.2.3indirect
npmstring-width5.1.2indirect
npmstrip-ansi6.0.1indirect
npmstrip-ansi7.2.0indirect
npmstrip-bom4.0.0indirect
npmstrip-final-newline2.0.0indirect
npmstrip-json-comments3.1.1indirect
npmstrnum2.4.1indirect
npmsupports-color7.2.0indirect
npmsupports-color8.1.1indirect
npmsynckit0.11.13indirect
npmtest-exclude6.0.0indirect
npmto-regex-range5.0.1indirect
npmts-jest29.4.12indirect
npmtslib2.8.1indirect
npmtype-detect4.0.8indirect
npmtype-fest0.21.3indirect
npmtype-fest4.41.0indirect
npmtypescript5.9.3indirect
npmuglify-js3.19.3indirect
npmundici-types8.3.0indirect
npmunrs-resolver1.12.2indirect
npmupdate-browserslist-db1.2.3indirect
npmv8-to-istanbul9.3.0indirect
npmwalker1.0.8indirect
npmwhich2.0.2indirect
npmwordwrap1.0.0indirect
npmwrap-ansi7.0.0indirect
npmwrap-ansi8.1.0indirect
npmwrappy1.0.2indirect
npmwrite-file-atomic5.0.1indirect
npmxml-naming0.3.0indirect
npmy18n5.0.8indirect
npmyallist3.1.1indirect
npmyargs17.7.3indirect
npmyargs-parser21.1.1indirect
npmyocto-queue0.1.0indirect
Dependency advisories 1

Installing npm:data-matching@1.51.1 pulls in 29 packages, direct and transitive: 1 carry known advisories, of which 0 are direct dependencies.

PackageVersionRelationSeverityAdvisoriesFixed in
uuid8.3.2indirecthigh113.0.1

An advisory means the version recorded in the dependency graph falls inside an advisory’s affected range. Reachability is not analysed, and the graph includes development and test pins — a finding may concern tooling rather than shipped software.

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Related records

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92immutable-js/immutable-jsImmutable persistent data collections for Javascript which increase efficiency and simplicity.Excellent83sindresorhus/globbyUser-friendly glob matchingExcellent81tada5hi/vuecsVue 3 theming framework; themeable components, design tokens, dark mode & runtime palettes. Themes for Tailwind, Bootstrap & Bulma: one app.use() reskins everything. SSR-ready via @vuecs/nuxt.Excellent100carbon-design-system/carbonA design system built by IBMExceptional100apache/airflowApache Airflow - A platform to programmatically author, schedule, and monitor workflowsExceptional100PrefectHQ/prefectPrefect is a workflow orchestration framework for building resilient data pipelines in Python.Exceptional

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.