Public record
Software health reportschema 0.34.0 · metrics 2.10.0 · 2026-09-11 10:13 UTC

hebcal / hebcal-es6

perpetual Jewish Calendar with holidays, Shabbat and holiday candle lighting and havdalah times, Torah readings, and more

TypeScript · JavaScriptGPL-2.0★ 135 stars⑂ 32 forkssince Apr 2020View on GitHub ↗
KindLibraryhow this is determined
#zmanim#daf-yomi#hebrew-calendar#calendar#judaism#jewish-holidays#yahrzeit#holidays#jewish-calendar#hebrew-date

hebcal/hebcal-es6 holds a health index of 84 out of 100, placing it in the Excellent band. It scores highest on Vitality (88/100) and lowest on Sustainability & Governance (60/100). It was last updated 18 days ago. A single contributor accounts for most of its recent work.

84
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.

84
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 71 is calibrated to 84 on the published index scale (record calibration 2026-08-02).

Ownership

hebcalOrganization
65 followers41 public repossince Jul 2013

This repository is backed by an organization — shared, accountable stewardship that can outlive any single maintainer.

Package ecosystems

RegistryPackageVersionDownloads / moVersionsLast publishTags
npm@hebcal/core6.9.2255,86633033 days agohebcalhebrewcalendarjewishholidayschagimsedradatedafyomizemanimzmanim

Metrics by category

Vitality

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

88Excellent · 21% of overall

Development activity

80Excellent
How it's scored
28.8/36Push recency — last push 18 days ago
22.8/36Commit cadence — 33/52 weeks with commits
18/18Commit volume — 133 commits in the last year
10/10OpenSSF Scorecard: Maintained — 30 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 10
Inputs used
commits_last_year133
human_commit_share1
days_since_last_push18
active_weeks_last_year33

Release discipline

100Exceptional
How it's scored
27/27Ships releases — 100 releases published
36/36Release recency — latest release 33 days ago
27/27Release cadence — a release every ~8.3 days
0/10OpenSSF Scorecard: Signed-Releases — no data
Inputs used
releases_count100
latest_release_tagv6.9.2
releases_from_tagsno
days_since_latest_release33
mean_days_between_releases8.3
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?

61Moderate · 17% of overall

Popularity & adoption

52Moderate
How it's scored
34.5/60Stars — 135 stars
12.4/25Forks — 32 forks
4.7/15Watchers — 8 watchers
Inputs used
forks32
stars135
watchers8
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 (GPL-2.0)
0/18CONTRIBUTING guide
0/13.5Code of conduct
0/7.2Issue template
0/6.3PR template
Inputs used
has_readmeyes
has_licenseyes
readme_badges1
has_contributingno
has_issue_templateno
has_code_of_conductno
readme_badge_servicesgithub.com
has_pull_request_templateno

Ecosystem adoption (downloads)

90Excellent
How it's scored
72.1/80Monthly downloads — 255,866 downloads/month across npm
0/20Registry dependents — not reported by this ecosystem
Inputs used
packages@hebcal/core
dependents—
ecosystemsnpm
total_downloads—
monthly_downloads255,866
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

Maintainer resilience (bus factor)

34At Risk
How it's scored
9/54Bus factor — 1 contributor(s) cover half of all commits
1.7/22.5Commit distribution — top contributor authored 93% of commits
13.5/13.5Contributor breadth — 16 contributors
10/10OpenSSF Scorecard: Contributors — project has 7 contributing companies or organizations
Inputs used
bus_factor1
contributors_sampled16
top_contributor_share0.926

Issue & PR responsiveness

53Moderate
How it's scored
40/42Issue resolution — 95% of issues closed
5.7/30PR acceptance — 132/689 decided PRs merged
0/13Newcomer PR acceptance — no first-time contributor's PR decided in 30d
0/15OpenSSF Scorecard: Code-Review — Found 2/28 approved changesets -- score normalized to 0
Inputs used
merged_prs132
open_issues4
closed_issues82
prs_merged_7d0
prs_decided_7d0
prs_merged_30d0
prs_decided_30d0
issue_closed_ratio0.953
closed_unmerged_prs557
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

67Good
How it's scored
30/30Ownership backing — organization-owned
0/20Verified domain
13.1/25Owner reach — 65 followers of hebcal
23.8/25Track record — 41 public repos, account ~13 yr old
Inputs used
followers65
owner_typeOrganization
is_verifiedno
owner_loginhebcal
public_repos41
account_age_days4,818

Package maintenance

100Exceptional
How it's scored
25/25Published & resolvable — 1 package(s) on npm
35/35Publish recency — latest publish 33 days ago
20/20Version history — 330 published versions
20/20Not deprecated — active, not deprecated or yanked
Inputs used
packages@hebcal/core
ecosystemsnpm
any_deprecatedno
min_days_since_publish33

Engineering Quality

Are baseline engineering and documentation practices in place?

74Good · 19% of overall

Engineering practices

74Good
How it's scored
24/24CI workflows — 3 workflow(s)
24/24Tests present
0/16Linter config
0/9.6Pre-commit hooks
6.4/6.4.editorconfig
20/20OpenSSF Scorecard: CI-Tests — 4 out of 4 merged PRs checked by a CI test -- score normalized to 10
Inputs used
has_ciyes
has_testsyes
has_editorconfigyes
has_linter_configno
has_precommit_configno

Documentation

75Good
How it's scored
30/30README
0/25Documentation directory
15/15Documentation / homepage site — https://hebcal.github.io/api/core/
10/10Repository description
10/10Topics — 10 topics
10/10Wiki
Inputs used
topicszmanim, daf-yomi, hebrew-calendar, calendar, judaism, jewish-holidays, yahrzeit, holidays, jewish-calendar, hebrew-date
has_wikiyes
homepagehttps://hebcal.github.io/api/core/
docs_sitehttps://hebcal.github.io/api/core/
has_readmeyes
has_docs_dirno
has_descriptionyes

Security

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

70Good · 16% of overall

Security posture

62Moderate
How it's scored
7.5/7.5Binary-Artifacts — no binaries found in the repo
0/7.5Branch-Protection — no data
2.5/2.5CI-Tests — 4 out of 4 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 2/28 approved changesets -- score normalized to 0
2.5/2.5Contributors — project has 7 contributing companies or organizations
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 1 issue activity found in the last 90 days -- score normalized to 10
0/5Packaging — no data
0.5/5Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 1
5/5SAST — SAST tool is run on all commits
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
6.8/7.5Vulnerabilities — 1 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated15
scorecard_versionv5.5.0
checks_inconclusive3
scorecard_aggregate6.1
Excluded from scoring (no data or not applicable): Branch-Protection, Packaging, Signed-Releases. Remaining weights renormalized.

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_packages6
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:@hebcal/core@6.9.2 runtime dependency closure — what installing the published package pulls in — 6 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.

70Good · 4% of overall

Agent context & guidance

70Good
How it's scored
45/45Agent instructions — CLAUDE.md
0/15Machine-readable docs (llms.txt)
25.1/40Legible commit history — 47 of 100 human commits state their intent (structured subject or explanatory body)
Inputs used
has_llms_txtno
llms_txt_url—
legible_history_share0.47
agent_instruction_filesCLAUDE.md
agent_instruction_max_bytes6,183

Verify loop (build / test / typecheck)

59Moderate
How it's scored
0/18One-command bootstrap
22/22Automated tests
0/11Lint / format config
11/11Static type checking — size-demo/tsconfig.json, tsconfig.json
10/10Reproducible environment — lockfile
10/10Demonstrated agent practice — 16 of the last 100 commits agent-authored or agent-credited
5/8Automated maintenance — dependency automation configured, none observed in the sampled commits
1/10OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 1
Inputs used
has_nixno
has_testsyes
lockfilespackage-lock.json
has_dockerfileno
typed_languageyes
bootstrap_files—
has_devcontainerno
has_linter_configno
typecheck_configssize-demo/tsconfig.json, tsconfig.json
agent_commit_share0.16
toolchain_manifests—
dependency_bot_commit_share0

Code legibility for models

100Exceptional
How it's scored
45/45Type-checkable code — TypeScript (statically typed)
55/55Manageable file sizes — 0/76 source files over 60KB
Inputs used
primary_languageTypeScript
largest_source_bytes53,041
source_files_sampled76
oversized_source_files0

Key facts

135GitHub stars
16contributors
133commits, last 12 months
18days since last push
100releases
1bus factor
4open 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 ★ / 32 ⇿
0Stars
32Forks
94Releases

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.

01325383232020-062023-062026-07
Major 0Minor 17Patch 77

Each point covers 6 days.

OpenSSF Scorecard 6.1 / 10
6.1aggregate

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 · 2026-09-11 10:13 UTC

10Binary-Artifactsno binaries found in the repo
n/aBranch-Protectioninternal error: error during branchesHandler.setup: internal error: some github tokens can't read classic branch protection rules: https://github.com/ossf/scorecard-action/blob/main/docs/authentication/fine-grained-auth-token.md
10CI-Tests4 out of 4 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 2/28 approved changesets -- score normalized to 0
10Contributorsproject has 7 contributing companies or organizations
10Dangerous-Workflowno dangerous workflow patterns detected
10Dependency-Update-Toolupdate tool detected
0Fuzzingproject is not fuzzed
10Licenselicense file detected
10Maintained30 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 10
n/aPackagingpackaging workflow not detected
1Pinned-Dependenciesdependency not pinned by hash detected -- score normalized to 1
10SASTSAST tool is run on all commits
0Security-Policysecurity policy file not detected
n/aSigned-Releasesno releases found
0Token-Permissionsdetected GitHub workflow tokens with excessive permissions
9Vulnerabilities1 existing vulnerabilities detected
Direct dependencies 4
RegistryPackageVersion constraintManifest
npm@hebcal/hdate^0.22.8package.json
npm@hebcal/noaa^0.12.3package.json
npmquick-lru^7.3.0package.json
npmtemporal-polyfill^1.0.3package.json
All dependencies 228

Full resolved dependency set from the GitHub dependency graph: 4 direct and 224 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

RegistryPackageVersionRelation
npm@hebcal/hdate0.22.8direct
npm@hebcal/noaa0.12.3direct
npmquick-lru7.3.0direct
npmtemporal-polyfill1.0.3direct
npm@babel/helper-string-parser7.29.7indirect
npm@babel/helper-validator-identifier7.29.7indirect
npm@babel/parser7.29.7indirect
npm@babel/types7.29.7indirect
npm@bcoe/v8-coverage1.0.2indirect
npm@emnapi/core1.11.1indirect
npm@emnapi/core2.0.0-alpha.3indirect
npm@emnapi/runtime1.11.1indirect
npm@emnapi/runtime2.0.0-alpha.3indirect
npm@emnapi/wasi-threads1.2.2indirect
npm@emnapi/wasi-threads2.0.1indirect
npm@jridgewell/gen-mapping0.3.13indirect
npm@jridgewell/resolve-uri3.1.2indirect
npm@jridgewell/source-map0.3.11indirect
npm@jridgewell/sourcemap-codec1.5.5indirect
npm@jridgewell/trace-mapping0.3.31indirect
npm@napi-rs/lzma-linux-x64-gnu1.5.1indirect
npm@napi-rs/wasm-runtime1.2.0indirect
npm@oxc-project/types0.139.0indirect
npm@oxlint/binding-android-arm-eabi1.78.0indirect
npm@oxlint/binding-android-arm641.78.0indirect
npm@oxlint/binding-darwin-arm641.78.0indirect
npm@oxlint/binding-darwin-x641.78.0indirect
npm@oxlint/binding-freebsd-x641.78.0indirect
npm@oxlint/binding-linux-arm-gnueabihf1.78.0indirect
npm@oxlint/binding-linux-arm-musleabihf1.78.0indirect
npm@oxlint/binding-linux-arm64-gnu1.78.0indirect
npm@oxlint/binding-linux-arm64-musl1.78.0indirect
npm@oxlint/binding-linux-ppc64-gnu1.78.0indirect
npm@oxlint/binding-linux-riscv64-gnu1.78.0indirect
npm@oxlint/binding-linux-riscv64-musl1.78.0indirect
npm@oxlint/binding-linux-s390x-gnu1.78.0indirect
npm@oxlint/binding-linux-x64-gnu1.78.0indirect
npm@oxlint/binding-linux-x64-musl1.78.0indirect
npm@oxlint/binding-openharmony-arm641.78.0indirect
npm@oxlint/binding-win32-arm64-msvc1.78.0indirect
npm@oxlint/binding-win32-ia32-msvc1.78.0indirect
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npm@rolldown/binding-darwin-arm641.1.5indirect
npm@rolldown/binding-darwin-x641.1.5indirect
npm@rolldown/binding-freebsd-x641.1.5indirect
npm@rolldown/binding-linux-arm-gnueabihf1.1.5indirect
npm@rolldown/binding-linux-arm64-gnu1.1.5indirect
npm@rolldown/binding-linux-arm64-musl1.1.5indirect
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npmtypescript6.0.3indirect
npmundici-types8.3.0indirect
npmvite8.1.5indirect
npmvitest4.1.10indirect
npmwhy-is-node-running2.3.0indirect
npmwrap-ansi9.0.2indirect
npmwsl-utils0.3.1indirect
npmy18n5.0.8indirect
npmyargs18.1.0indirect
npmyargs-parser22.0.0indirect
Dependency advisories 0

Installing npm:@hebcal/core@6.9.2 pulls in 6 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.

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Related records

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73Shmulik-Kravitz/jewish-dateJewish Date is a fast and modern 2kB JavaScript library that provides a simple and efficient Gregorian-to-Hebrew and vice versa date converter.Good60Shmulik-Kravitz/react-jewish-datepickerReact jewish datepickerModerate65Shmulik-Kravitz/jewish-zmanimTypeScript library for calculating Jewish halachic times (zmanim) — sunrise, Shema, Mincha, Shabbat entry/exit and more.Good69hebcal/hdate-jsconverts between Hebrew and Gregorian dates using Rata Die (R.D.) algorithm by Dershowitz and ReingoldGood60hawkeye64/timestampFramework-agnostic Timestamp utility for TypeScript.Moderate73hebcal/hebcal-goA perpetual Jewish Calendar (golang)Good

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.