Public record
Software health reportschema 0.34.0 · metrics 2.10.0 · 2026-09-28 14:26 UTC

MetaMask / eth-json-rpc-filters

json-rpc-engine middleware implementing ethereum filter methods

JavaScriptISC★ 29 stars⑂ 39 forkssince Jun 2017View on GitHub ↗
KindLibraryhow this is determined

MetaMask/eth-json-rpc-filters holds a health index of 34 out of 100, placing it in the At Risk band. It scores highest on Sustainability & Governance (71/100) and lowest on Vitality (38/100). It was last updated 10 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 54 is calibrated to 56 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/eth-json-rpc-filters9.0.0164,2604710 days ago

Metrics by category

Vitality

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

38Weak · 21% of overall

Development activity

29At Risk
How it's scored
28.8/36Push recency — last push 10 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_share0.47
days_since_last_push10
active_weeks_last_year0

Release discipline

52Moderate
How it's scored
27/27Ships releases — 11 releases published
7.2/36Release recency — latest release 711 days ago
12.6/27Release cadence — a release every ~165 days
0/10OpenSSF Scorecard: Signed-Releases — no data
Inputs used
releases_count11
latest_release_tagv9.0.0
releases_from_tagsno
days_since_latest_release711
mean_days_between_releases165
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?

63Moderate · 17% of overall

Popularity & adoption

46Weak
How it's scored
23.5/60Stars — 29 stars
13.2/25Forks — 39 forks
9.1/15Watchers — 44 watchers
Inputs used
forks39
stars29
watchers44
growth_stateunverified
growth_factor_pct100
growth_unverified_reasonno_history

Community health

65Good
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

Ecosystem adoption (downloads)

87Excellent
How it's scored
69.5/80Monthly downloads — 164,260 downloads/month across npm
0/20Registry dependents — not reported by this ecosystem
Inputs used
packages@metamask/eth-json-rpc-filters
dependents—
ecosystemsnpm
total_downloads—
monthly_downloads164,260
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?

71Good · 23% of overall

Maintainer resilience (bus factor)

43Weak
How it's scored
9/54Bus factor — 1 contributor(s) cover half of all commits
10.6/22.5Commit distribution — top contributor authored 53% of commits
13.5/13.5Contributor breadth — 13 contributors
10/10OpenSSF Scorecard: Contributors — project has 18 contributing companies or organizations
Inputs used
bus_factor1
contributors_sampled13
top_contributor_share0.53

Issue & PR responsiveness

75Good
How it's scored
30.2/42Issue resolution — 72% of issues closed
20.3/30PR acceptance — 122/180 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_prs122
open_issues7
closed_issues18
prs_merged_7d0
prs_decided_7d0
prs_merged_30d0
prs_decided_30d0
issue_closed_ratio0.72
closed_unmerged_prs58
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

100Exceptional
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

Package maintenance

71Good
How it's scored
25/25Published & resolvable — 1 package(s) on npm
14/35Publish recency — latest publish 710 days ago
12/20Version history — 4 published versions
20/20Not deprecated — active, not deprecated or yanked
Inputs used
packages@metamask/eth-json-rpc-filters
ecosystemsnpm
any_deprecatedno
min_days_since_publish710

Engineering Quality

Are baseline engineering and documentation practices in place?

45Weak · 19% of overall

Engineering practices

48Weak
How it's scored
24/24CI workflows — 4 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 30 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

40Weak
How it's scored
30/30README
0/25Documentation directory
0/15Documentation / homepage site
10/10Repository description
0/10Topics
0/10Wiki
Inputs used
topics—
has_wikino
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?

57Moderate · 16% of overall

Security posture

52Moderate
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 18 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 — 43 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

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 9.0.1 (high 7.5)
33.7/40No advisories left outstanding — 1 advisory-carrying package(s) unaddressed past 90 days; oldest published 158 days ago
Inputs used
sourceosv
advisories1
affected_packages1
assessed_packages57
unassessed_packages0
affected_by_severityhigh 1
direct_affected_packages0
Matched the npm:@metamask/eth-json-rpc-filters@9.0.0 runtime dependency closure — what installing the published package pulls in — 57 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.

43Weak · 4% of overall

Agent context & guidance

40Weak
How it's scored
0/45Agent instructions — no CLAUDE.md / AGENTS.md / editor rules
0/15Machine-readable docs (llms.txt)
40/40Legible commit history — 47 of 47 human commits state their intent (structured subject or explanatory body)
Inputs used
has_llms_txtno
llms_txt_url—
legible_history_share1
agent_instruction_files—
agent_instruction_max_bytes—

Verify loop (build / test / typecheck)

40Weak
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
8/8Automated maintenance — 45 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
lockfilesyarn.lock
has_dockerfileno
typed_languageno
bootstrap_files—
has_devcontainerno
has_linter_configno
typecheck_configs—
agent_commit_share0
toolchain_manifests—
dependency_bot_commit_share0.45

Code legibility for models

55Moderate
How it's scored
0/45Type-checkable code — JavaScript without a type-check config
55/55Manageable file sizes — 0/15 source files over 60KB
Inputs used
primary_languageJavaScript
largest_source_bytes6,546
source_files_sampled15
oversized_source_files0

Key facts

29GitHub stars
13contributors
0commits, last 12 months
10days since last push
11releases
1bus factor
7open 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 ★ / 39 ⇿
0Stars
39Forks
11Releases

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.

01325383532018-082022-072026-07
Major 5Minor 2Patch 4

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 14:25 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 18 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
0Vulnerabilities43 existing vulnerabilities detected
Direct dependencies 5
RegistryPackageVersion constraintManifest
npm@metamask/eth-query^4.0.0package.json
npm@metamask/json-rpc-engine^10.0.0package.json
npm@metamask/safe-event-emitter^3.0.0package.json
npmasync-mutex^0.5.0package.json
npmpify^5.0.0package.json
All dependencies 331

Full resolved dependency set from the GitHub dependency graph: 5 direct and 326 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

RegistryPackageVersionRelation
npm@metamask/eth-query4.0.0direct
npm@metamask/json-rpc-engine10.0.1direct
npm@metamask/safe-event-emitter3.1.2direct
npmasync-mutex0.5.0direct
npmpify5.0.0direct
npm@ethereumjs/common3.2.0indirect
npm@ethereumjs/rlp4.0.1indirect
npm@ethereumjs/tx4.2.0indirect
npm@ethereumjs/util8.1.0indirect
npm@isaacs/cliui8.0.2indirect
npm@lavamoat/aa3.1.5indirect
npm@lavamoat/allow-scripts2.5.1indirect
npm@ljharb/resumer0.0.1indirect
npm@ljharb/through2.3.9indirect
npm@metamask/abi-utils2.0.4indirect
npm@metamask/auto-changelog3.4.4indirect
npm@metamask/eth-block-tracker11.0.2indirect
npm@metamask/eth-json-rpc-middleware15.0.0indirect
npm@metamask/eth-json-rpc-provider4.1.6indirect
npm@metamask/eth-sig-util7.0.3indirect
npm@metamask/rpc-errors7.0.1indirect
npm@metamask/superstruct3.1.0indirect
npm@metamask/utils10.0.0indirect
npm@metamask/utils9.3.0indirect
npm@noble/curves1.1.0indirect
npm@noble/hashes1.3.1indirect
npm@noble/hashes1.3.2indirect
npm@npmcli/fs3.1.0indirect
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npmsignal-exit4.1.0indirect
npmsinon15.2.0indirect
npmsmart-buffer4.2.0indirect
npmsocks2.7.1indirect
npmsocks-proxy-agent7.0.0indirect
npmssri10.0.5indirect
npmstop-iteration-iterator1.0.0indirect
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-final-newline2.0.0indirect
npmsupports-color7.2.0indirect
npmsupports-preserve-symlinks-flag1.0.0indirect
npmtape5.7.0indirect
npmtar6.1.15indirect
npmtslib2.6.3indirect
npmtweetnacl1.0.3indirect
npmtype-detect4.0.8indirect
npmtyped-array-buffer1.0.0indirect
npmtyped-array-byte-length1.0.0indirect
npmtyped-array-byte-offset1.0.0indirect
npmtyped-array-length1.0.4indirect
npmunbox-primitive1.0.2indirect
npmunique-filename3.0.0indirect
npmunique-slug4.0.0indirect
npmutf-8-validate5.0.7indirect
npmutf-8-validate6.0.3indirect
npmutil-deprecate1.0.2indirect
npmuuid8.3.2indirect
npmuuid9.0.1indirect
npmwhich2.0.2indirect
npmwhich3.0.1indirect
npmwhich-boxed-primitive1.0.2indirect
npmwhich-collection1.0.1indirect
npmwhich-typed-array1.1.11indirect
npmwide-align1.1.5indirect
npmwrap-ansi7.0.0indirect
npmwrap-ansi8.1.0indirect
npmwrap-ansi-cjs7.0.0indirect
npmwrappy1.0.2indirect
npmwrite-file-atomic5.0.1indirect
npmws8.13.0indirect
npmxtend4.0.2indirect
npmy18n5.0.8indirect
npmyallist4.0.0indirect
npmyargs16.2.0indirect
npmyargs17.4.1indirect
npmyargs-parser20.2.9indirect
npmyargs-parser21.0.1indirect
Dependency advisories 1

Installing npm:@metamask/eth-json-rpc-filters@9.0.0 pulls in 57 packages, direct and transitive: 1 carry known advisories, of which 0 are direct dependencies.

PackageVersionRelationSeverityAdvisoriesFixed in
uuid9.0.1indirecthigh113.0.1

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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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.