Public record
Software health reportschema 0.34.0 · metrics 2.10.0 · 2026-09-19 08:47 UTC

eclipse-tahu / tahu

Eclipse Tahu addresses the existence of legacy SCADA/DCS/ICS protocols and infrastructures and provides a much-needed definition of how best to apply MQTT into these existing industrial operational environments.

Java · C · C#EPL-2.0★ 264 stars⑂ 142 forkssince Aug 2018View on GitHub ↗
#mqtt#sparkplug#sparkplug-specification#iiot#iot#scada

eclipse-tahu/tahu holds a health index of 26 out of 100, placing it in the At Risk band. It scores highest on AI Readiness (64/100) and lowest on Security (27/100). It was last updated 7 days ago. A single contributor accounts for most of its recent work.

26
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.

26
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 46 is calibrated to 44 on the published index scale (record calibration 2026-08-02).

Ownership

eclipse-tahuOrganization
2 followers3 public repossince Dec 2024

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

Metrics by category

Vitality

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

54Moderate · 21% of overall

Development activity

36Weak
How it's scored
36/36Push recency — last push 7 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_push7
active_weeks_last_year0

Release discipline

80Excellent
How it's scored
16.2/27Ships releases — 41 version tags (no GitHub releases)
36/36Release recency — latest release 53 days ago
19.8/27Release cadence — a release every ~69.1 days
0/10OpenSSF Scorecard: Signed-Releases — no data
Inputs used
releases_count41
latest_release_tagv1.0.21
releases_from_tagsyes
days_since_latest_release53
mean_days_between_releases69.1
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?

58Moderate · 17% of overall

Popularity & adoption

65Good
How it's scored
39.3/60Stars — 264 stars
17.9/25Forks — 142 forks
8.1/15Watchers — 30 watchers
Inputs used
forks142
stars264
watchers30
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 (EPL-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_badges0
has_contributingno
has_issue_templateno
has_code_of_conductno
readme_badge_services—
has_pull_request_templateno

Sustainability & Governance

Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?

42Weak · 23% of overall

Maintainer resilience (bus factor)

30At Risk
How it's scored
9/54Bus factor — 1 contributor(s) cover half of all commits
7.1/22.5Commit distribution — top contributor authored 68% of commits
13.5/13.5Contributor breadth — 19 contributors
0/10OpenSSF Scorecard: Contributors — project has 0 contributing companies or organizations -- score normalized to 0
Inputs used
bus_factor1
contributors_sampled19
top_contributor_share0.684

Issue & PR responsiveness

57Moderate
How it's scored
19.5/42Issue resolution — 46% of issues closed
22.5/30PR acceptance — 232/309 decided PRs merged
0/13Newcomer PR acceptance — no first-time contributor's PR decided in 30d
7.5/15OpenSSF Scorecard: Code-Review — Found 11/19 approved changesets -- score normalized to 5
Inputs used
merged_prs232
open_issues74
closed_issues64
prs_merged_7d0
prs_decided_7d0
prs_merged_30d2
prs_decided_30d2
issue_closed_ratio0.464
closed_unmerged_prs77
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

41Weak
How it's scored
30/30Ownership backing — organization-owned
0/20Verified domain
3.4/25Owner reach — 2 followers of eclipse-tahu
7.9/25Track record — 3 public repos, account ~1 yr old
Inputs used
followers2
owner_typeOrganization
is_verifiedno
owner_logineclipse-tahu
public_repos3
account_age_days641

Engineering Quality

Are baseline engineering and documentation practices in place?

44Weak · 19% of overall

Engineering practices

24At Risk
How it's scored
0/24CI workflows
24/24Tests present
0/16Linter config
0/9.6Pre-commit hooks
0/6.4.editorconfig
0/20OpenSSF Scorecard: CI-Tests — 0 out of 11 merged PRs checked by a CI test -- score normalized to 0
Inputs used
has_cino
has_testsyes
has_editorconfigno
has_linter_configno
has_precommit_configno

Documentation

75Good
How it's scored
30/30README
0/25Documentation directory
15/15Documentation / homepage site — https://eclipse.org/tahu
10/10Repository description
10/10Topics — 6 topics
10/10Wiki
Inputs used
topicsmqtt, sparkplug, sparkplug-specification, iiot, iot, scada
has_wikiyes
homepagehttps://eclipse.org/tahu
docs_sitehttps://eclipse.org/tahu
has_readmeyes
has_docs_dirno
has_descriptionyes

Security

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

27At Risk · 16% of overall

Security posture

26At Risk
How it's scored
6.8/7.5Binary-Artifacts — binaries present in source code
0/7.5Branch-Protection — branch protection not enabled on development/release branches
0/2.5CI-Tests — 0 out of 11 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
3.8/7.5Code-Review — Found 11/19 approved changesets -- score normalized to 5
0/2.5Contributors — project has 0 contributing companies or organizations -- score normalized to 0
0/10Dangerous-Workflow — no data
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 — no data
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 — no data
0/7.5Vulnerabilities — 44 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated13
scorecard_versionv5.5.0
checks_inconclusive5
scorecard_aggregate2.6
Excluded from scoring (no data or not applicable): Dangerous-Workflow, Packaging, Pinned-Dependencies, Signed-Releases, Token-Permissions. Remaining weights renormalized.

Dependency advisories

31At Risk
How it's scored
5.4/35Direct dependencies free of known advisories — 8 affected: ch.qos.logback:logback-classic 1.2.11 (high 7.1), ch.qos.logback:logback-classic 1.2.9 (high 7.1), ch.qos.logback:logback-core 1.2.11 (high 7.1), +5 more
0/25Indirect dependencies free of known advisories — transitive set not separable from development and test dependencies in this scope
17.6/40No advisories left outstanding — 7 advisory-carrying package(s) unaddressed past 90 days; oldest published 1,024 days ago
Inputs used
sourceosv
advisories68
affected_packages19
assessed_packages153
unassessed_packages5
affected_by_severitycritical 2, high 12, moderate 4, low 1
direct_affected_packages8
Excluded from scoring (no data or not applicable): Indirect dependencies free of known advisories. Remaining weights renormalized. Matched 153 resolved dependencies against OSV. 5 could not be assessed — no resolved version, an unsupported ecosystem, or beyond the reported package list. 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.

64Moderate · 4% of overall

Agent context & guidance

22At Risk
How it's scored
0/45Agent instructions — no CLAUDE.md / AGENTS.md / editor rules
0/15Machine-readable docs (llms.txt)
21.9/40Legible commit history — 41 of 100 human commits state their intent (structured subject or explanatory body)
Inputs used
has_llms_txtno
llms_txt_url—
legible_history_share0.41
agent_instruction_files—
agent_instruction_max_bytes—

Verify loop (build / test / typecheck)

68Good
How it's scored
18/18One-command bootstrap — c/core/Makefile, c/examples/template_as_custom_props/Makefile, c/examples/udt_example/Makefile
22/22Automated tests
0/11Lint / format config
11/11Static type checking — javascript/core/sparkplug-client/tsconfig.json, javascript/core/sparkplug-payload/tsconfig.json
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 — no data
Inputs used
has_nixno
has_testsyes
lockfilespackage-lock.json
has_dockerfileno
typed_languageyes
bootstrap_filesc/core/Makefile, c/examples/template_as_custom_props/Makefile, c/examples/udt_example/Makefile
has_devcontainerno
has_linter_configno
typecheck_configsjavascript/core/sparkplug-client/tsconfig.json, javascript/core/sparkplug-payload/tsconfig.json
agent_commit_share0
toolchain_manifestsjava/compat_impl/edge/pom.xml, java/compat_impl/host/pom.xml, java/examples/device_timestamp/pom.xml, java/examples/edge_node_control/pom.xml, java/examples/host_file/pom.xml, java/examples/listener/pom.xml, java/examples/pom.xml, java/examples/raspberry_pi/pom.xml, java/examples/records/pom.xml, java/examples/simple/pom.xml, java/examples/udt/pom.xml, java/lib/core/pom.xml, java/lib/edge/pom.xml, java/lib/host/pom.xml, java/pom.xml
dependency_bot_commit_share0
Excluded from scoring (no data or not applicable): OpenSSF Scorecard: Pinned-Dependencies. Remaining weights renormalized.

Code legibility for models

99Exceptional
How it's scored
45/45Type-checkable code — Java (statically typed)
54.3/55Manageable file sizes — 2/159 source files over 60KB
Inputs used
primary_languageJava
largest_source_bytes754,088
source_files_sampled159
oversized_source_files2

Machine-readable interfaces

100Exceptional
How it's scored
40/40API schema (OpenAPI/GraphQL/proto) — sparkplug_b/sparkplug_b.proto, sparkplug_b/sparkplug_b_c_sharp.proto
0/20MCP server — not applicable to this kind of software
40/40Runnable examples — example, examples
Inputs used
example_dirsexample, examples
has_mcp_signalno
api_schema_filessparkplug_b/sparkplug_b.proto, sparkplug_b/sparkplug_b_c_sharp.proto
interfaces_expected_of—
Excluded from scoring (no data or not applicable): MCP server. Remaining weights renormalized.

Key facts

264GitHub stars
19contributors
0commits, last 12 months
7days since last push
41releases
1bus factor
74open issues
Mavenpackage ecosystems

Data collection warnings

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

More detail

Star and fork history 0 ★ / 142 ⇿
0Stars
142Forks
41Releases

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.

025507510012515014142018-092022-092026-09
Major 1Minor 0Patch 39

Each point covers 8 days.

OpenSSF Scorecard 2.6 / 10
2.6aggregate

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 · 2026-09-19 08:46 UTC

9Binary-Artifactsbinaries present in source code
0Branch-Protectionbranch protection not enabled on development/release branches
0CI-Tests0 out of 11 merged PRs checked by a CI test -- score normalized to 0
0CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
5Code-ReviewFound 11/19 approved changesets -- score normalized to 5
0Contributorsproject has 0 contributing companies or organizations -- score normalized to 0
n/aDangerous-Workflowno workflows found
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
n/aPinned-Dependenciesno dependencies found
0SASTSAST tool is not run on all commits -- score normalized to 0
10Security-Policysecurity policy file detected
n/aSigned-Releasesno releases found
n/aToken-PermissionsNo tokens found
0Vulnerabilities44 existing vulnerabilities detected
Direct dependencies 9
RegistryPackageVersion constraintManifest
Mavenorg.eclipse.paho:org.eclipse.paho.client.mqttv3${paho.version}java/pom.xml
Mavencom.google.protobuf:protobuf-java${protobuf.version}java/pom.xml
Mavencommons-io:commons-io2.11.0java/pom.xml
Mavencom.fasterxml.jackson.core:jackson-core${jackson.version}java/pom.xml
Mavencom.fasterxml.jackson.core:jackson-annotations${jackson.version}java/pom.xml
Mavencom.fasterxml.jackson.core:jackson-databind${jackson.databind.version}java/pom.xml
Mavenorg.slf4j:slf4j-api${slf4j.version}java/pom.xml
Mavench.qos.logback:logback-classic${logback.version}java/pom.xml
Mavench.qos.logback:logback-core${logback.version}java/pom.xml
All dependencies 158

Full resolved dependency set from the GitHub dependency graph: 12 direct and 146 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

RegistryPackageVersionRelation
Mavench.qos.logback:logback-classic1.2.11direct
Mavench.qos.logback:logback-classic1.2.9direct
Mavench.qos.logback:logback-core1.2.11direct
Mavench.qos.logback:logback-core1.2.9direct
Mavencom.fasterxml.jackson.core:jackson-annotations2.13.4direct
Mavencom.fasterxml.jackson.core:jackson-core2.13.4direct
Mavencom.fasterxml.jackson.core:jackson-databind2.13.4.2direct
Mavencom.google.protobuf:protobuf-java—direct
Mavencom.google.protobuf:protobuf-java3.16.3direct
Mavencommons-io:commons-io2.11.0direct
Mavenorg.eclipse.paho:org.eclipse.paho.client.mqttv31.2.5direct
Mavenorg.slf4j:slf4j-api1.7.32direct
Mavenjavax.xml.bind:jaxb-api2.3.0indirect
Mavenjunit:junit4.13.2indirect
Mavenorg.apache.commons:commons-compress1.21indirect
Mavenorg.apache.commons:commons-lang33.12.0indirect
Mavenorg.apache.felix:maven-bundle-plugin—indirect
Mavenorg.apache.maven.plugins:maven-compiler-plugin3.7.0indirect
Mavenorg.apache.maven.plugins:maven-compiler-plugin3.8.1indirect
Mavenorg.apache.maven.plugins:maven-gpg-plugin1.6indirect
Mavenorg.apache.maven.plugins:maven-shade-plugin2.4.1indirect
Mavenorg.apache.maven.plugins:maven-shade-plugin3.2.2indirect
Mavenorg.assertj:assertj-core3.5.1indirect
Mavenorg.codehaus.mojo:license-maven-plugin1.8indirect
Mavenorg.eclipse.kura:jdk.dio1.0.400indirect
Mavenorg.eclipse.tahu:tahu-core1.0.7indirect
Mavenorg.eclipse.tahu:tahu-edge1.0.7indirect
Mavenorg.eclipse.tahu:tahu-host1.0.7indirect
Mavenorg.sonatype.plugins:nexus-staging-maven-plugin—indirect
Mavenorg.sonatype.plugins:nexus-staging-maven-plugin1.6.8indirect
Mavenorg.testng:testng6.9.10indirect
npm@protobufjs/aspromise1.1.2indirect
npm@protobufjs/base641.1.2indirect
npm@protobufjs/codegen2.0.4indirect
npm@protobufjs/eventemitter1.1.0indirect
npm@protobufjs/fetch1.1.0indirect
npm@protobufjs/float1.0.2indirect
npm@protobufjs/inquire1.1.0indirect
npm@protobufjs/path1.1.2indirect
npm@protobufjs/pool1.1.0indirect
npm@protobufjs/utf81.1.0indirect
npm@types/debug4.1.7indirect
npm@types/long4.0.1indirect
npm@types/ms0.7.31indirect
npm@types/node16.11.29indirect
npm@types/node17.0.27indirect
npm@types/pako2.0.0indirect
npmasync1.0.0indirect
npmasync-limiter1.0.1indirect
npmbalanced-match1.0.2indirect
npmbase64-js1.5.1indirect
npmbl1.2.3indirect
npmbl4.1.0indirect
npmbrace-expansion1.1.11indirect
npmbuffer5.7.1indirect
npmbuffer-from1.1.2indirect
npmcallback-stream1.1.0indirect
npmcolors1.0.3indirect
npmcommist1.1.0indirect
npmconcat-map0.0.1indirect
npmconcat-stream1.6.2indirect
npmconcat-stream2.0.0indirect
npmcore-util-is1.0.3indirect
npmcycle1.0.3indirect
npmd1.0.1indirect
npmdebug4.3.4indirect
npmduplexify3.7.1indirect
npmduplexify4.1.2indirect
npmend-of-stream1.4.4indirect
npmes5-ext0.10.61indirect
npmes6-iterator2.0.3indirect
npmes6-map0.1.5indirect
npmes6-set0.1.5indirect
npmes6-symbol3.1.1indirect
npmes6-symbol3.1.3indirect
npmevent-emitter0.3.5indirect
npmext1.6.0indirect
npmextend3.0.2indirect
npmeyes0.1.8indirect
npmfs.realpath1.0.0indirect
npmglob7.2.0indirect
npmglob-parent3.1.0indirect
npmglob-stream6.1.0indirect
npmhelp-me1.1.0indirect
npmhelp-me3.0.0indirect
npmieee7541.2.1indirect
npminflight1.0.6indirect
npminherits2.0.4indirect
npmis-absolute1.0.0indirect
npmis-extglob2.1.1indirect
npmis-glob3.1.0indirect
npmis-negated-glob1.0.0indirect
npmis-relative1.0.0indirect
npmis-unc-path1.0.0indirect
npmis-windows1.0.2indirect
npmisarray1.0.0indirect
npmisstream0.1.2indirect
npmjs-sdsl2.1.4indirect
npmjson-stable-stringify-without-jsonify1.0.1indirect
npmleven2.1.0indirect
npmlong4.0.0indirect
npmlru-cache6.0.0indirect
npmminimatch3.1.2indirect
npmminimist1.2.6indirect
npmmqtt2.18.9indirect
npmmqtt4.3.7indirect
npmmqtt-packet5.6.1indirect
npmmqtt-packet6.10.0indirect
npmms2.1.2indirect
npmnext-tick1.1.0indirect
npmnumber-allocator1.0.10indirect
npmonce1.4.0indirect
npmordered-read-streams1.0.1indirect
npmpako1.0.11indirect
npmpako2.0.4indirect
npmpath-dirname1.0.2indirect
npmpath-is-absolute1.0.1indirect
npmprocess-nextick-args2.0.1indirect
npmprotobufjs6.11.2indirect
npmprotobufjs6.11.3indirect
npmpump2.0.1indirect
npmpump3.0.0indirect
npmpumpify1.5.1indirect
npmreadable-stream2.3.7indirect
npmreadable-stream3.6.0indirect
npmreinterval1.1.0indirect
npmremove-trailing-separator1.1.0indirect
npmrfdc1.3.0indirect
npmsafe-buffer5.1.2indirect
npmsafe-buffer5.2.1indirect
npmsparkplug-client3.2.2indirect
npmsparkplug-client^3.0.0indirect
npmsparkplug-payload1.0.1indirect
npmsparkplug-payload1.0.2indirect
npmsparkplug-payload^1.0.1indirect
npmsplit22.2.0indirect
npmsplit23.2.2indirect
npmstack-trace0.0.10indirect
npmstream-shift1.0.1indirect
npmstring_decoder1.1.1indirect
npmstring_decoder1.3.0indirect
npmthrough22.0.5indirect
npmthrough2-filter3.0.0indirect
npmto-absolute-glob2.0.2indirect
npmtype1.2.0indirect
npmtype2.6.0indirect
npmtypedarray0.0.6indirect
npmtypescript4.6.3indirect
npmunc-path-regex0.1.2indirect
npmunique-stream2.3.1indirect
npmutil-deprecate1.0.2indirect
npmwebsocket-stream5.2.0indirect
npmwinston2.4.5indirect
npmwrappy1.0.2indirect
npmws6.2.2indirect
npmws7.5.7indirect
npmxtend4.0.2indirect
npmyallist4.0.0indirect
Dependency advisories 19

This repository publishes no package the index resolves, so its own dependency graph was assessed — 153 packages, which also include development and test pins that never ship: 19 carry known advisories, of which 8 are direct. 5 could not be assessed — no resolved version, an unsupported ecosystem, or beyond the reported package list.

PackageVersionRelationSeverityAdvisoriesFixed in
protobufjs6.11.2indirectcritical138.6.0
protobufjs6.11.3indirectcritical128.6.0
ch.qos.logback:logback-classic1.2.11directhigh11.4.12
ch.qos.logback:logback-classic1.2.9directhigh11.4.12
ch.qos.logback:logback-core1.2.11directhigh71.5.34
ch.qos.logback:logback-core1.2.9directhigh71.5.34
com.fasterxml.jackson.core:jackson-core2.13.4directhigh23.1.4
com.fasterxml.jackson.core:jackson-databind2.13.4.2directhigh53.1.4
com.google.protobuf:protobuf-java3.16.3directhigh14.28.2
commons-io:commons-io2.11.0directhigh12.14.0
brace-expansion1.1.11indirecthigh55.0.9
minimatch3.1.2indirecthigh310.2.3
ws6.2.2indirecthigh28.21.0
ws7.5.7indirecthigh28.21.0
@protobufjs/utf81.1.0indirectmoderate18.0.2
org.apache.commons:commons-compress1.21indirectmoderate21.26.0
org.apache.commons:commons-lang33.12.0indirectmoderate13.18.0
org.assertj:assertj-core3.5.1indirectmoderate13.27.7
es5-ext0.10.61indirectlow10.10.63

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

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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.