Public record
Software health reportschema 0.34.0 · metrics 2.10.0 · 2026-10-21 06:42 UTC

mhart / aws4

Signs and prepares Node.js requests using AWS Signature Version 4

JavaScriptMIT★ 715 stars⑂ 174 forkssince Dec 2012View on GitHub ↗

mhart/aws4 holds a health index of 25 out of 100, placing it in the At Risk band. It scores highest on Community & Adoption (70/100) and lowest on Vitality (18/100). It was last updated 720 days ago. A single contributor accounts for most of its recent work.

25
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.

25
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 44 is calibrated to 41 on the published index scale (record calibration 2026-08-02).

Ownership

Michael HartPersonal account
830 followers75 public repossince Aug 2010@cloudflare

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 publish
npmaws41.13.2107,067,71675783 days ago

Metrics by category

Vitality

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

18Critical · 21% of overall
How it's scored
0/36Push recency — last push 720 days ago
0/36Commit cadence — 0/52 weeks with commits
0/18Commit volume — 0 commits in the last year
0/10OpenSSF Scorecard: Maintained — 0 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0
Inputs used
commits_last_year0
human_commit_share1
days_since_last_push720
active_weeks_last_year0
How it's scored
27/27Ships releases — 7 releases published
0/36Release recency — latest release 783 days ago
12.6/27Release cadence — a release every ~259.7 days
0/10OpenSSF Scorecard: Signed-Releases — no data
Inputs used
releases_count7
latest_release_tagv1.13.2
releases_from_tagsno
days_since_latest_release783
mean_days_between_releases259.7
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?

70Good · 17% of overall
How it's scored
46.3/60Stars — 715 stars
18.7/25Forks — 174 forks
3.9/15Watchers — 6 watchers
Inputs used
forks174
stars715
watchers6
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
readme_badges0
has_contributingno
has_issue_templateno
has_code_of_conductno
readme_badge_services—
has_pull_request_templateno
How it's scored
80/80Monthly downloads — 107,067,716 downloads/month across npm
0/20Registry dependents — not reported by this ecosystem
Inputs used
packagesaws4
dependents—
ecosystemsnpm
total_downloads—
monthly_downloads107,067,716
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?

51Moderate · 23% of overall
How it's scored
9/54Bus factor — 1 contributor(s) cover half of all commits
2/22.5Commit distribution — top contributor authored 91% of commits
12.2/13.5Contributor breadth — 9 contributors
6/10OpenSSF Scorecard: Contributors — project has 2 contributing companies or organizations -- score normalized to 6
Inputs used
bus_factor1
contributors_sampled9
top_contributor_share0.912
How it's scored
33.1/42Issue resolution — 79% of issues closed
4.9/30PR acceptance — 6/37 decided PRs merged
0/13Newcomer PR acceptance — no first-time contributor's PR decided in 30d
0/15OpenSSF Scorecard: Code-Review — Found 1/27 approved changesets -- score normalized to 0
Inputs used
merged_prs6
open_issues27
closed_issues101
prs_merged_7d0
prs_decided_7d0
prs_merged_30d0
prs_decided_30d0
issue_closed_ratio0.789
closed_unmerged_prs31
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
21/25Owner reach — 830 followers of mhart
25/25Track record — 75 public repos, account ~16 yr old
Inputs used
followers830
owner_typeUser
is_verified—
owner_loginmhart
public_repos75
account_age_days5,908
Excluded from scoring (no data or not applicable): Verified domain. Remaining weights renormalized.
How it's scored
25/25Published & resolvable — 1 package(s) on npm
4/35Publish recency — latest publish 783 days ago
20/20Version history — 75 published versions
20/20Not deprecated — active, not deprecated or yanked
Inputs used
packagesaws4
ecosystemsnpm
any_deprecatedno
min_days_since_publish783

Engineering Quality

Are baseline engineering and documentation practices in place?

49Weak · 19% of overall
How it's scored
24/24CI workflows — 1 workflow(s)
24/24Tests present
0/16Linter config
0/9.6Pre-commit hooks
0/6.4.editorconfig
0/20OpenSSF Scorecard: CI-Tests — 0 out of 1 merged PRs checked by a CI test -- score normalized to 0
Inputs used
has_ciyes
has_testsyes
has_editorconfigno
has_linter_configno
has_precommit_configno

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?

38Weak · 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
0/2.5CI-Tests — 0 out of 1 merged PRs checked by a CI test -- score normalized to 0
0/2.5CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected
0/7.5Code-Review — Found 1/27 approved changesets -- score normalized to 0
1.5/2.5Contributors — project has 2 contributing companies or organizations -- score normalized to 6
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
0/7.5Maintained — 0 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0
0/5Packaging — no data
0/5Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0
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
0/7.5Vulnerabilities — 33 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated16
scorecard_versionv5.5.0
checks_inconclusive2
scorecard_aggregate2.3
Excluded from scoring (no data or not applicable): 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
0/25Indirect dependencies free of known advisories — transitive set not separable from development and test dependencies in this scope
0/40No advisories left outstanding — no advisory carries a publication date
Inputs used
sourceosv
advisories45
affected_packages16
assessed_packages230
unassessed_packages0
affected_by_severitycritical 3, high 10, moderate 3
direct_affected_packages0
Excluded from scoring (no data or not applicable): Indirect dependencies free of known advisories, No advisories left outstanding. Remaining weights renormalized. Matched 230 resolved dependencies against OSV. This repository publishes no package the index resolves, so the repository dependency graph was assessed instead. That graph mixes development and test pins with shipped dependencies, so only the declared runtime dependencies are scored; transitive findings are reported as context and excluded from the score. Reachability is not analyzed.

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.

33At Risk · 4% of overall
How it's scored
0/45Agent instructions — no CLAUDE.md / AGENTS.md / editor rules
15/15Machine-readable docs (llms.txt) — llms.txt served by the project website (https://docs.aws.amazon.com/llms.txt)
8/40Legible commit history — 15 of 100 human commits state their intent (structured subject or explanatory body)
Inputs used
has_llms_txtyes
llms_txt_urlhttps://docs.aws.amazon.com/llms.txt
legible_history_share0.15
agent_instruction_files—
agent_instruction_max_bytes—
How it's scored
0/18One-command bootstrap
22/22Automated tests
0/11Lint / format config
0/11Static type checking
10/10Reproducible environment — lockfile
0/10Demonstrated agent practice — no agent-authored commits among the last 100
0/8Automated maintenance — no automated dependency updates observed
0/10OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0
Inputs used
has_nixno
has_testsyes
lockfilespackage-lock.json
has_dockerfileno
typed_languageno
bootstrap_files—
has_devcontainerno
has_linter_configno
typecheck_configs—
agent_commit_share0
toolchain_manifests—
dependency_bot_commit_share0
How it's scored
0/45Type-checkable code — JavaScript without a type-check config
55/55Manageable file sizes — 0/6 source files over 60KB
Inputs used
primary_languageJavaScript
largest_source_bytes37,813
source_files_sampled6
oversized_source_files0

Key facts

715GitHub stars
9contributors
0commits, last 12 months
720days since last push
7releases
1bus factor
27open issues
npmpackage ecosystems

Data collection warnings

  • Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token
  • Could not fetch npm package 'aws4-browser-example' from its registry

More detail

Star and fork history 0 ★ / 174 ⇿
0Stars
174Forks
7Releases

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.

0408012016016032015-032020-112026-08
Major 0Minor 4Patch 3

Each point covers 11 days.

OpenSSF Scorecard 2.3 / 10
2.3aggregate

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 · 2026-10-21 06:42 UTC

10Binary-Artifactsno binaries found in the repo
0Branch-Protectionbranch protection not enabled on development/release branches
0CI-Tests0 out of 1 merged PRs checked by a CI test -- score normalized to 0
0CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
0Code-ReviewFound 1/27 approved changesets -- score normalized to 0
6Contributorsproject has 2 contributing companies or organizations -- score normalized to 6
10Dangerous-Workflowno dangerous workflow patterns detected
0Dependency-Update-Toolno update tool detected
0Fuzzingproject is not fuzzed
10Licenselicense file detected
0Maintained0 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0
n/aPackagingpackaging workflow not detected
0Pinned-Dependenciesdependency not pinned by hash detected -- score normalized to 0
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
0Vulnerabilities33 existing vulnerabilities detected
Direct dependencies 1
RegistryPackageVersion constraintManifest
npmaws4^1.13.2browser/package.json
All dependencies 230

Full resolved dependency set from the GitHub dependency graph: 1 direct and 229 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

RegistryPackageVersionRelation
npmaws41.13.2direct
npmacorn7.2.0indirect
npmacorn-node1.8.2indirect
npmacorn-walk7.1.1indirect
npmansi-colors4.1.3indirect
npmansi-regex5.0.1indirect
npmansi-styles4.3.0indirect
npmanymatch3.1.3indirect
npmargparse2.0.1indirect
npmasn1.js4.10.1indirect
npmassert1.5.0indirect
npmavailable-typed-arrays1.0.7indirect
npmbalanced-match1.0.0indirect
npmbalanced-match1.0.2indirect
npmbase64-js1.3.1indirect
npmbinary-extensions2.2.0indirect
npmbn.js4.11.9indirect
npmbn.js5.2.1indirect
npmbrace-expansion1.1.11indirect
npmbrace-expansion2.0.1indirect
npmbraces3.0.3indirect
npmbrorand1.1.0indirect
npmbrowser-pack6.1.0indirect
npmbrowser-resolve2.0.0indirect
npmbrowser-stdout1.3.1indirect
npmbrowserify17.0.0indirect
npmbrowserify-aes1.2.0indirect
npmbrowserify-cipher1.0.1indirect
npmbrowserify-des1.0.2indirect
npmbrowserify-rsa4.1.0indirect
npmbrowserify-sign4.2.3indirect
npmbrowserify-zlib0.2.0indirect
npmbuffer5.2.1indirect
npmbuffer-from1.1.2indirect
npmbuffer-xor1.0.3indirect
npmbuiltin-status-codes3.0.0indirect
npmcached-path-relative1.1.0indirect
npmcall-bind1.0.7indirect
npmcamelcase6.3.0indirect
npmchalk4.1.2indirect
npmchokidar3.5.3indirect
npmcipher-base1.0.4indirect
npmcliui7.0.4indirect
npmcolor-convert2.0.1indirect
npmcolor-name1.1.4indirect
npmcombine-source-map0.8.0indirect
npmconcat-map0.0.1indirect
npmconcat-stream1.6.2indirect
npmconsole-browserify1.2.0indirect
npmconstants-browserify1.0.0indirect
npmconvert-source-map1.1.3indirect
npmcore-util-is1.0.2indirect
npmcreate-ecdh4.0.4indirect
npmcreate-hash1.2.0indirect
npmcreate-hmac1.1.7indirect
npmcrypto-browserify3.12.0indirect
npmdash-ast1.0.0indirect
npmdebug4.3.6indirect
npmdecamelize4.0.0indirect
npmdefine-data-property1.1.4indirect
npmdefined1.0.0indirect
npmdeps-sort2.0.1indirect
npmdes.js1.0.1indirect
npmdetective5.2.1indirect
npmdiff5.2.0indirect
npmdiffie-hellman5.0.3indirect
npmdomain-browser1.2.0indirect
npmduplexer20.1.4indirect
npmelliptic6.5.7indirect
npmemoji-regex8.0.0indirect
npmes-define-property1.0.0indirect
npmes-errors1.3.0indirect
npmescalade3.1.2indirect
npmescape-string-regexp4.0.0indirect
npmevents3.3.0indirect
npmevp_bytestokey1.0.3indirect
npmfast-safe-stringify2.0.7indirect
npmfill-range7.1.1indirect
npmfind-up5.0.0indirect
npmflat5.0.2indirect
npmfor-each0.3.3indirect
npmfs.realpath1.0.0indirect
npmfsevents2.3.3indirect
npmfunction-bind1.1.2indirect
npmget-assigned-identifiers1.2.0indirect
npmget-caller-file2.0.5indirect
npmget-intrinsic1.2.4indirect
npmglob7.1.6indirect
npmglob8.1.0indirect
npmglob-parent5.1.2indirect
npmgopd1.0.1indirect
npmhas1.0.3indirect
npmhas-flag4.0.0indirect
npmhas-property-descriptors1.0.2indirect
npmhas-proto1.0.3indirect
npmhas-symbols1.0.3indirect
npmhas-tostringtag1.0.2indirect
npmhash-base3.0.4indirect
npmhash-base3.1.0indirect
npmhash.js1.1.7indirect
npmhasown2.0.2indirect
npmhe1.2.0indirect
npmhmac-drbg1.0.1indirect
npmhtmlescape1.1.1indirect
npmhttps-browserify1.0.0indirect
npmieee7541.1.13indirect
npminflight1.0.6indirect
npminherits2.0.1indirect
npminherits2.0.4indirect
npminline-source-map0.6.2indirect
npminsert-module-globals7.2.1indirect
npmis-arguments1.1.1indirect
npmis-binary-path2.1.0indirect
npmis-buffer1.1.6indirect
npmis-callable1.2.7indirect
npmis-core-module2.13.1indirect
npmis-extglob2.1.1indirect
npmis-fullwidth-code-point3.0.0indirect
npmis-generator-function1.0.10indirect
npmis-glob4.0.3indirect
npmis-number7.0.0indirect
npmis-plain-obj2.1.0indirect
npmis-typed-array1.1.13indirect
npmis-unicode-supported0.1.0indirect
npmisarray1.0.0indirect
npmjs-yaml4.1.0indirect
npmjsonparse1.3.1indirect
npmJSONStream1.3.5indirect
npmlabeled-stream-splicer2.0.2indirect
npmlocate-path6.0.0indirect
npmlodash.memoize3.0.4indirect
npmlog-symbols4.1.0indirect
npmmd5.js1.3.5indirect
npmmiller-rabin4.0.1indirect
npmminimalistic-assert1.0.1indirect
npmminimalistic-crypto-utils1.0.1indirect
npmminimatch3.1.2indirect
npmminimatch5.1.6indirect
npmminimist1.2.8indirect
npmmkdirp-classic0.5.3indirect
npmmocha10.7.3indirect
npmmodule-deps6.2.3indirect
npmms2.1.2indirect
npmms2.1.3indirect
npmnormalize-path3.0.0indirect
npmobject-assign4.1.1indirect
npmonce1.4.0indirect
npmos-browserify0.3.0indirect
npmp-limit3.1.0indirect
npmp-locate5.0.0indirect
npmpako1.0.11indirect
npmparents1.0.1indirect
npmparse-asn15.1.7indirect
npmpath-browserify1.0.1indirect
npmpath-exists4.0.0indirect
npmpath-is-absolute1.0.1indirect
npmpath-parse1.0.7indirect
npmpath-platform0.11.15indirect
npmpbkdf23.1.2indirect
npmpicomatch2.3.1indirect
npmpossible-typed-array-names1.0.0indirect
npmprocess0.11.10indirect
npmprocess-nextick-args2.0.1indirect
npmpublic-encrypt4.0.3indirect
npmpunycode1.3.2indirect
npmpunycode1.4.1indirect
npmquerystring0.2.0indirect
npmquerystring-es30.2.1indirect
npmrandombytes2.1.0indirect
npmrandomfill1.0.4indirect
npmread-only-stream2.0.0indirect
npmreadable-stream2.3.8indirect
npmreadable-stream3.6.0indirect
npmreadable-stream3.6.2indirect
npmreaddirp3.6.0indirect
npmrequire-directory2.1.1indirect
npmresolve1.22.8indirect
npmripemd1602.0.2indirect
npmsafe-buffer5.1.2indirect
npmsafe-buffer5.2.1indirect
npmserialize-javascript6.0.2indirect
npmset-function-length1.2.2indirect
npmsha.js2.4.11indirect
npmshasum-object1.0.0indirect
npmshell-quote1.8.1indirect
npmshould13.2.3indirect
npmshould-equal2.0.0indirect
npmshould-format3.0.3indirect
npmshould-type1.4.0indirect
npmshould-type-adaptors1.1.0indirect
npmshould-util1.0.1indirect
npmsimple-concat1.0.1indirect
npmsource-map0.5.7indirect
npmstream-browserify3.0.0indirect
npmstream-combiner21.1.1indirect
npmstream-http3.1.1indirect
npmstream-splicer2.0.1indirect
npmstring-width4.2.3indirect
npmstring_decoder1.1.1indirect
npmstring_decoder1.3.0indirect
npmstrip-ansi6.0.1indirect
npmstrip-json-comments3.1.1indirect
npmsubarg1.0.0indirect
npmsupports-color7.2.0indirect
npmsupports-color8.1.1indirect
npmsupports-preserve-symlinks-flag1.0.0indirect
npmsyntax-error1.4.0indirect
npmthrough2.3.8indirect
npmthrough22.0.5indirect
npmtimers-browserify1.4.2indirect
npmto-regex-range5.0.1indirect
npmtty-browserify0.0.1indirect
npmtypedarray0.0.6indirect
npmumd3.0.3indirect
npmundeclared-identifiers1.1.3indirect
npmurl0.11.0indirect
npmutil0.10.3indirect
npmutil0.12.5indirect
npmutil-deprecate1.0.2indirect
npmvm-browserify1.1.2indirect
npmwhich-typed-array1.1.15indirect
npmworkerpool6.5.1indirect
npmwrap-ansi7.0.0indirect
npmwrappy1.0.2indirect
npmxtend4.0.2indirect
npmy18n5.0.8indirect
npmyargs16.2.0indirect
npmyargs-parser20.2.9indirect
npmyargs-unparser2.0.0indirect
npmyocto-queue0.1.0indirect
Dependency advisories 16

This repository publishes no package the index resolves, so its own dependency graph was assessed — 230 packages, which also include development and test pins that never ship: 16 carry known advisories, of which 0 are direct.

PackageVersionRelationSeverityAdvisoriesFixed in
cipher-base1.0.4indirectcritical11.0.5
sha.js2.4.11indirectcritical12.4.12
shell-quote1.8.1indirectcritical21.9.0
brace-expansion1.1.11indirecthigh85.0.12
brace-expansion2.0.1indirecthigh85.0.12
braces3.0.3indirecthigh1—
elliptic6.5.7indirecthigh36.6.1
js-yaml4.1.0indirecthigh54.3.2
minimatch3.1.2indirecthigh310.2.3
minimatch5.1.6indirecthigh310.2.3
pbkdf23.1.2indirecthigh33.1.7
picomatch2.3.1indirecthigh24.0.4
serialize-javascript6.0.2indirecthigh27.0.5
bn.js4.11.9indirectmoderate15.2.3
bn.js5.2.1indirectmoderate15.2.3
diff5.2.0indirectmoderate18.0.3

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.