Public record
Software health reportschema 0.34.0 · metrics 2.10.0 · 2026-09-28 15:07 UTC

MetaMask / object-multiplex

Simple stream multiplexing for objectMode.

TypeScript · JavaScriptISC★ 15 stars⑂ 14 forkssince Sep 2017View on GitHub ↗

MetaMask/object-multiplex holds a health index of 60 out of 100, placing it in the Moderate band. It scores highest on Sustainability & Governance (85/100) and lowest on Vitality (42/100). It was last updated 6 days ago. 3 contributors account for most of its recent work.

60
overall / 100
Moderate

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.

60
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 63 is calibrated to 71 on the published index scale (record calibration 2026-08-02).

Ownership

MetaMaskOrganization · verified domain
6,212 followers636 public repossince Mar 2015

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

Package ecosystems

RegistryPackageVersionDownloads / moVersionsLast publish
npm@metamask/object-multiplex2.1.03,182,4805713 days ago

Metrics by category

Vitality

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

42Weak · 21% of overall
How it's scored
36/36Push recency — last push 6 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_share0.682
days_since_last_push6
active_weeks_last_year0
How it's scored
27/27Ships releases — 5 releases published
7.2/36Release recency — latest release 713 days ago
12.6/27Release cadence — a release every ~307.8 days
0/10OpenSSF Scorecard: Signed-Releases — no data
Inputs used
releases_count5
latest_release_tagv2.1.0
releases_from_tagsno
days_since_latest_release713
mean_days_between_releases307.8
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?

62Moderate · 17% of overall
How it's scored
18.6/60Stars — 15 stars
9.3/25Forks — 14 forks
8.1/15Watchers — 30 watchers
Inputs used
forks14
stars15
watchers30
growth_stateunverified
growth_factor_pct100
growth_unverified_reasonno_history
How it's scored
22.5/22.5README
22.5/22.5License — recognized license (ISC)
0/18CONTRIBUTING guide
13.5/13.5Code 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_conductyes
readme_badge_services—
has_pull_request_templateno
How it's scored
80/80Monthly downloads — 3,182,480 downloads/month across npm
0/20Registry dependents — not reported by this ecosystem
Inputs used
packages@metamask/object-multiplex
dependents—
ecosystemsnpm
total_downloads—
monthly_downloads3,182,480
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?

85Excellent · 23% of overall
How it's scored
36/54Bus factor — 3 contributor(s) cover half of all commits
17.3/22.5Commit distribution — top contributor authored 23% of commits
13.5/13.5Contributor breadth — 10 contributors
10/10OpenSSF Scorecard: Contributors — project has 14 contributing companies or organizations
Inputs used
bus_factor3
contributors_sampled10
top_contributor_share0.233
How it's scored
35/42Issue resolution — 83% of issues closed
24.4/30PR acceptance — 39/48 decided PRs merged
0/13Newcomer PR acceptance — no first-time contributor's PR decided in 30d
15/15OpenSSF Scorecard: Code-Review — all changesets reviewed
Inputs used
merged_prs39
open_issues1
closed_issues5
prs_merged_7d0
prs_decided_7d0
prs_merged_30d0
prs_decided_30d0
issue_closed_ratio0.833
closed_unmerged_prs9
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
30/30Ownership backing — organization-owned
20/20Verified domain
25/25Owner reach — 6,212 followers of MetaMask
25/25Track record — 636 public repos, account ~11 yr old
Inputs used
followers6,212
owner_typeOrganization
is_verifiedyes
owner_loginMetaMask
public_repos636
account_age_days4,198
How it's scored
25/25Published & resolvable — 1 package(s) on npm
14/35Publish recency — latest publish 713 days ago
20/20Version history — 5 published versions
20/20Not deprecated — active, not deprecated or yanked
Inputs used
packages@metamask/object-multiplex
ecosystemsnpm
any_deprecatedno
min_days_since_publish713

Engineering Quality

Are baseline engineering and documentation practices in place?

62Moderate · 19% of overall
How it's scored
24/24CI workflows — 2 workflow(s)
24/24Tests present
16/16Linter config — .eslintrc.js
0/9.6Pre-commit hooks
6.4/6.4.editorconfig
0/20OpenSSF Scorecard: CI-Tests — 0 out of 30 merged PRs checked by a CI test -- score normalized to 0
Inputs used
has_ciyes
has_testsyes
has_editorconfigyes
has_linter_configyes
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?

62Moderate · 16% of overall
How it's scored
7.5/7.5Binary-Artifacts — no binaries found in the repo
6/7.5Branch-Protection — branch protection is not maximal on development and all release branches
0/2.5CI-Tests — 0 out of 30 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
7.5/7.5Code-Review — all changesets reviewed
2.5/2.5Contributors — project has 14 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
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
5/5Security-Policy — security policy file detected
0/7.5Signed-Releases — no data
0/7.5Token-Permissions — detected GitHub workflow tokens with excessive permissions
0/7.5Vulnerabilities — 35 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated16
scorecard_versionv5.5.0
checks_inconclusive2
scorecard_aggregate5.2
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
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_packages7
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:@metamask/object-multiplex@2.1.0 runtime dependency closure — what installing the published package pulls in — 7 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.

61Moderate · 4% of overall
How it's scored
0/45Agent instructions — no CLAUDE.md / AGENTS.md / editor rules
0/15Machine-readable docs (llms.txt)
40/40Legible commit history — 25 of 30 human commits state their intent (structured subject or explanatory body)
Inputs used
has_llms_txtno
llms_txt_url—
legible_history_share0.833
agent_instruction_files—
agent_instruction_max_bytes—
How it's scored
0/18One-command bootstrap
22/22Automated tests
11/11Lint / format config — .eslintrc.js
11/11Static type checking — tsconfig.json
10/10Reproducible environment — lockfile
0/10Demonstrated agent practice — no agent-authored commits among the last 44
8/8Automated maintenance — 14 of the last 44 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
lockfilesyarn.lock
has_dockerfileno
typed_languageyes
bootstrap_files—
has_devcontainerno
has_linter_configyes
typecheck_configstsconfig.json
agent_commit_share0
toolchain_manifests—
dependency_bot_commit_share0.318
How it's scored
45/45Type-checkable code — TypeScript (statically typed)
55/55Manageable file sizes — 0/6 source files over 60KB
Inputs used
primary_languageTypeScript
largest_source_bytes3,284
source_files_sampled6
oversized_source_files0

Key facts

15GitHub stars
10contributors
0commits, last 12 months
6days since last push
5releases
3bus 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 ★ / 14 ⇿
0Stars
14Forks
5Releases

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.

03581013151422018-062022-072026-08
Major 1Minor 4Patch 0

Each point covers 8 days.

OpenSSF Scorecard 5.2 / 10
5.2aggregate

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 · 2026-09-28 15:07 UTC

10Binary-Artifactsno binaries found in the repo
8Branch-Protectionbranch protection is not maximal on development and all release branches
0CI-Tests0 out of 30 merged PRs checked by a CI test -- score normalized to 0
0CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
10Code-Reviewall changesets reviewed
10Contributorsproject has 14 contributing companies or organizations
10Dangerous-Workflowno dangerous workflow patterns detected
10Dependency-Update-Toolupdate 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
10Security-Policysecurity policy file detected
n/aSigned-Releasesno releases found
0Token-Permissionsdetected GitHub workflow tokens with excessive permissions
0Vulnerabilities35 existing vulnerabilities detected
Direct dependencies 2
RegistryPackageVersion constraintManifest
npmonce^1.4.0package.json
npmreadable-stream^3.6.2package.json
All dependencies 364

Full resolved dependency set from the GitHub dependency graph: 2 direct and 362 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

RegistryPackageVersionRelation
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npm@nodelib/fs.scandir2.1.3indirect
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npmsafe-buffer5.2.1indirect
npmsafe-regex-test1.0.0indirect
npmsafer-buffer2.1.2indirect
npmsemver6.3.1indirect
npmsemver7.5.4indirect
npmset-blocking2.0.0indirect
npmset-function-length1.1.1indirect
npmset-function-name2.0.1indirect
npmshebang-command2.0.0indirect
npmshebang-regex3.0.0indirect
npmside-channel1.0.4indirect
npmsignal-exit3.0.7indirect
npmsignal-exit4.1.0indirect
npmslash3.0.0indirect
npmslice-ansi4.0.0indirect
npmsmart-buffer4.2.0indirect
npmsocks2.7.1indirect
npmsocks-proxy-agent7.0.0indirect
npmsprintf-js1.0.3indirect
npmssri10.0.5indirect
npmstring-width4.2.3indirect
npmstring-width5.1.2indirect
npmstring-width-cjs4.2.3indirect
npmstring.prototype.trim1.2.8indirect
npmstring.prototype.trimend1.0.7indirect
npmstring.prototype.trimstart1.0.7indirect
npmstring_decoder1.3.0indirect
npmstrip-ansi6.0.1indirect
npmstrip-ansi7.1.0indirect
npmstrip-ansi-cjs6.0.1indirect
npmstrip-bom3.0.0indirect
npmstrip-json-comments3.1.1indirect
npmsupports-color5.5.0indirect
npmsupports-color7.2.0indirect
npmsupports-preserve-symlinks-flag1.0.0indirect
npmtable6.7.1indirect
npmtape4.17.0indirect
npmtar6.2.1indirect
npmtext-table0.2.0indirect
npmto-regex-range5.0.1indirect
npmtsconfig-paths3.14.2indirect
npmtslib1.14.1indirect
npmtsutils3.21.0indirect
npmtype-check0.4.0indirect
npmtype-fest0.20.2indirect
npmtyped-array-buffer1.0.0indirect
npmtyped-array-byte-length1.0.0indirect
npmtyped-array-byte-offset1.0.0indirect
npmtyped-array-length1.0.4indirect
npmtypescript4.8.4indirect
npmunbox-primitive1.0.2indirect
npmunique-filename3.0.0indirect
npmunique-slug4.0.0indirect
npmuri-js4.4.0indirect
npmutil-deprecate1.0.2indirect
npmv8-compile-cache2.2.0indirect
npmwhich2.0.2indirect
npmwhich3.0.1indirect
npmwhich-boxed-primitive1.0.2indirect
npmwhich-typed-array1.1.13indirect
npmwide-align1.1.5indirect
npmword-wrap1.2.4indirect
npmwrap-ansi7.0.0indirect
npmwrap-ansi8.1.0indirect
npmwrap-ansi-cjs7.0.0indirect
npmwrappy1.0.2indirect
npmwrite-file-atomic5.0.1indirect
npmy18n5.0.8indirect
npmyallist4.0.0indirect
npmyargs17.7.2indirect
npmyargs-parser21.1.1indirect
Dependency advisories 0

Installing npm:@metamask/object-multiplex@2.1.0 pulls in 7 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

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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.

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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.