Public record
Software health reportschema 0.34.0 · metrics 2.10.0 · 2026-09-13 18:14 UTC

ozangunalp / kafka-native

Kafka broker compiled to native using Quarkus and GraalVM.

JavaApache-2.0★ 115 stars⑂ 13 forkssince Oct 2022View on GitHub ↗

ozangunalp/kafka-native holds a health index of 26 out of 100, placing it in the At Risk band. It scores highest on AI Readiness (61/100) and lowest on Vitality (26/100). It was last updated 272 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

Ozan GunalpPersonal account
65 followers82 public repossince Jun 2010Red Hat

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
Mavencom.ozangunalp:kafka-server0.13.1-19530 days ago
Mavencom.ozangunalp:kafka-native-test-container0.13.1-19530 days ago

Metrics by category

Vitality

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

26At Risk · 21% of overall
How it's scored
3.6/36Push recency — last push 272 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_share0.5
days_since_last_push272
active_weeks_last_year0
How it's scored
27/27Ships releases — 17 releases published
7.2/36Release recency — latest release 530 days ago
19.8/27Release cadence — a release every ~61.9 days
0/10OpenSSF Scorecard: Signed-Releases — no data
Inputs used
releases_count17
latest_release_tagv0.13.1
releases_from_tagsno
days_since_latest_release530
mean_days_between_releases61.9
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?

47Weak · 17% of overall
How it's scored
33.4/60Stars — 115 stars
9/25Forks — 13 forks
2.7/15Watchers — 4 watchers
Inputs used
forks13
stars115
watchers4
growth_stateunverified
growth_factor_pct100
growth_unverified_reasonno_history
How it's scored
22.5/22.5README
22.5/22.5License — recognized license (Apache-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?

58Moderate · 23% of overall
How it's scored
9/54Bus factor — 1 contributor(s) cover half of all commits
5.6/22.5Commit distribution — top contributor authored 75% of commits
6.8/13.5Contributor breadth — 5 contributors
10/10OpenSSF Scorecard: Contributors — project has 7 contributing companies or organizations
Inputs used
bus_factor1
contributors_sampled5
top_contributor_share0.749
How it's scored
28/42Issue resolution — 67% of issues closed
17.5/30PR acceptance — 184/315 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_prs184
open_issues8
closed_issues16
prs_merged_7d0
prs_decided_7d0
prs_merged_30d0
prs_decided_30d0
issue_closed_ratio0.667
closed_unmerged_prs131
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
13.1/25Owner reach — 65 followers of ozangunalp
25/25Track record — 82 public repos, account ~16 yr old
Inputs used
followers65
owner_typeUser
is_verified—
owner_loginozangunalp
public_repos82
account_age_days5,946
Excluded from scoring (no data or not applicable): Verified domain. Remaining weights renormalized.
How it's scored
25/25Published & resolvable — 2 package(s) on maven
14/35Publish recency — latest publish 530 days ago
20/20Version history — 19 published versions
20/20Not deprecated — active, not deprecated or yanked
Inputs used
packagescom.ozangunalp:kafka-server, com.ozangunalp:kafka-native-test-container
ecosystemsmaven
any_deprecatedno
min_days_since_publish530

Engineering Quality

Are baseline engineering and documentation practices in place?

55Moderate · 19% of overall
How it's scored
24/24CI workflows — 6 workflow(s)
24/24Tests present
0/16Linter config
0/9.6Pre-commit hooks
0/6.4.editorconfig
4/20OpenSSF Scorecard: CI-Tests — 4 out of 16 merged PRs checked by a CI test -- score normalized to 2
Inputs used
has_ciyes
has_testsyes
has_editorconfigno
has_linter_configno
has_precommit_configno

Documentation

60Moderate
How it's scored
30/30README
0/25Documentation directory
0/15Documentation / homepage site
10/10Repository description
10/10Topics — 5 topics
10/10Wiki
Inputs used
topicsjava, kafka, quarkus, test-containers, zookeeper
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?

42Weak · 16% of overall
How it's scored
6.8/7.5Binary-Artifacts — binaries present in source code
0/7.5Branch-Protection — no data
0.5/2.5CI-Tests — 4 out of 16 merged PRs checked by a CI test -- score normalized to 2
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 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
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
2.2/7.5Vulnerabilities — 7 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated15
scorecard_versionv5.5.0
checks_inconclusive3
scorecard_aggregate4.6
Excluded from scoring (no data or not applicable): Branch-Protection, Packaging, Signed-Releases. Remaining weights renormalized.
How it's scored
9.7/35Direct dependencies free of known advisories — 2 affected: org.apache.kafka:kafka-clients 4.0.0 (high 8.7), org.apache.logging.log4j:log4j-core 2.24.3 (low 3.7)
2.5/25Indirect dependencies free of known advisories — 11 affected: io.netty:netty-handler 4.1.118.Final (critical 9.1), org.lz4:lz4-java 1.8.0 (critical 9.1), com.fasterxml.jackson.core:jackson-core 2.18.2 (high 7.5), +8 more
13/40No advisories left outstanding — 11 advisory-carrying package(s) unaddressed past 90 days; oldest published 584 days ago
Inputs used
sourceosv
advisories56
affected_packages13
assessed_packages138
unassessed_packages0
affected_by_severitycritical 2, high 8, moderate 1, low 2
direct_affected_packages2
Matched the maven:com.ozangunalp:kafka-server@0.13.1 runtime dependency closure — what installing the published package pulls in — 138 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)
37.3/40Legible commit history — 35 of 50 human commits state their intent (structured subject or explanatory body)
Inputs used
has_llms_txtno
llms_txt_url—
legible_history_share0.7
agent_instruction_files—
agent_instruction_max_bytes—
How it's scored
12.6/18One-command bootstrap — kafka-native-test-container/pom.xml, kafka-server/pom.xml, pom.xml (toolchain convention, no task runner)
22/22Automated tests
0/11Lint / format config
11/11Static type checking — Java (statically typed)
10/10Reproducible environment — Dockerfile
0/10Demonstrated agent practice — no agent-authored commits among the last 100
8/8Automated maintenance — 50 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
lockfiles—
has_dockerfileyes
typed_languageyes
bootstrap_files—
has_devcontainerno
has_linter_configno
typecheck_configs—
agent_commit_share0
toolchain_manifestskafka-native-test-container/pom.xml, kafka-server/pom.xml, pom.xml, quarkus-kafka-server-extension/deployment/pom.xml, quarkus-kafka-server-extension/pom.xml, quarkus-kafka-server-extension/runtime/pom.xml
dependency_bot_commit_share0.5
How it's scored
45/45Type-checkable code — Java (statically typed)
55/55Manageable file sizes — 0/21 source files over 60KB
Inputs used
primary_languageJava
largest_source_bytes19,863
source_files_sampled21
oversized_source_files0

Key facts

115GitHub stars
5contributors
0commits, last 12 months
272days since last push
17releases
1bus factor
8open 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 ★ / 13 ⇿
0Stars
13Forks
17Releases

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.

03581013151322022-102024-052026-01
Major 0Minor 11Patch 6

Each point covers 3 days.

OpenSSF Scorecard 4.6 / 10
4.6aggregate

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 · 2026-09-13 18:14 UTC

9Binary-Artifactsbinaries present in source code
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
2CI-Tests4 out of 16 merged PRs checked by a CI test -- score normalized to 2
0CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
10Code-Reviewall changesets reviewed
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
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
3Vulnerabilities7 existing vulnerabilities detected
Direct dependencies 39
RegistryPackageVersion constraintManifest
Mavenorg.testcontainers:testcontainers—kafka-native-test-container/pom.xml
Mavenio.quarkus:quarkus-arc—kafka-server/pom.xml
Mavenio.quarkus:quarkus-netty—kafka-server/pom.xml
Mavencom.ozangunalp:quarkus-kafka-server—kafka-server/pom.xml
Mavenio.quarkus:quarkus-container-image-docker—kafka-server/pom.xml
Mavenorg.apache.kafka:kafka_2.13—kafka-server/pom.xml
Mavenorg.apache.kafka:kafka-metadata—kafka-server/pom.xml
Mavenorg.apache.kafka:kafka-server-common—kafka-server/pom.xml
Mavenorg.apache.kafka:kafka-transaction-coordinator—kafka-server/pom.xml
Mavenorg.apache.kafka:kafka-server—kafka-server/pom.xml
Mavenorg.apache.kafka:kafka-raft—kafka-server/pom.xml
Mavenorg.apache.kafka:kafka-clients—kafka-server/pom.xml
Mavenorg.scala-lang:scala-library—kafka-server/pom.xml
Mavenorg.jboss.logmanager:log4j2-jboss-logmanager—kafka-server/pom.xml
Mavenio.smallrye.reactive:smallrye-reactive-messaging-kafka-test-companion—kafka-server/pom.xml
Mavennet.sourceforge.argparse4j:argparse4j—kafka-server/pom.xml
Mavenorg.apache.logging.log4j:log4j-core2.24.3kafka-server/pom.xml
Maven${quarkus.platform.group-id}:${quarkus.platform.artifact-id}${quarkus.platform.version}pom.xml
Mavenorg.apache.kafka:kafka_2.13${kafka.version}pom.xml
Mavenorg.apache.kafka:kafka-server-common${kafka.version}pom.xml
Mavenorg.apache.kafka:kafka-server${kafka.version}pom.xml
Mavenorg.apache.kafka:kafka-storage${kafka.version}pom.xml
Mavenorg.apache.kafka:kafka-metadata${kafka.version}pom.xml
Mavenorg.apache.kafka:kafka-group-coordinator${kafka.version}pom.xml
Mavenorg.apache.kafka:kafka-group-coordinator-api${kafka.version}pom.xml
Mavenorg.apache.kafka:kafka-transaction-coordinator${kafka.version}pom.xml
Mavenorg.apache.kafka:kafka-raft${kafka.version}pom.xml
Mavenorg.apache.kafka:kafka-clients${kafka.version}pom.xml
Mavenorg.scala-lang:scala-library${scala.version}pom.xml
Mavenio.strimzi:kafka-oauth-server${strimzi-oauth.version}pom.xml
Mavenio.strimzi:kafka-oauth-common${strimzi-oauth.version}pom.xml
Mavenio.strimzi:kafka-oauth-client${strimzi-oauth.version}pom.xml
Mavenio.strimzi:kafka-oauth-server-plain${strimzi-oauth.version}pom.xml
Mavenio.strimzi:kafka-oauth-keycloak-authorizer${strimzi-oauth.version}pom.xml
Mavennet.sourceforge.argparse4j:argparse4j${argparse4j.version}pom.xml
Mavencom.ozangunalp:quarkus-kafka-server${project.version}pom.xml
Mavencom.ozangunalp:kafka-server${project.version}pom.xml
Mavencom.ozangunalp:quarkus-kafka-server-deployment${project.version}pom.xml
Mavencom.ozangunalp:kafka-native-test-container${project.version}pom.xml
All dependencies 79

Full resolved dependency set from the GitHub dependency graph: 45 direct and 34 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

RegistryPackageVersionRelation
Mavencom.ozangunalp:kafka-native-test-container999-SNAPSHOTdirect
Mavencom.ozangunalp:kafka-server—direct
Mavencom.ozangunalp:kafka-server999-SNAPSHOTdirect
Mavencom.ozangunalp:quarkus-kafka-server—direct
Mavencom.ozangunalp:quarkus-kafka-server999-SNAPSHOTdirect
Mavencom.ozangunalp:quarkus-kafka-server-deployment999-SNAPSHOTdirect
Mavenio.quarkus:quarkus-arc—direct
Mavenio.quarkus:quarkus-container-image-docker—direct
Mavenio.quarkus:quarkus-netty—direct
Mavenio.smallrye.reactive:smallrye-reactive-messaging-kafka-test-companion—direct
Mavenio.strimzi:kafka-oauth-client—direct
Mavenio.strimzi:kafka-oauth-client0.16.2direct
Mavenio.strimzi:kafka-oauth-common0.16.2direct
Mavenio.strimzi:kafka-oauth-keycloak-authorizer0.16.2direct
Mavenio.strimzi:kafka-oauth-server—direct
Mavenio.strimzi:kafka-oauth-server0.16.2direct
Mavenio.strimzi:kafka-oauth-server-plain—direct
Mavenio.strimzi:kafka-oauth-server-plain0.16.2direct
Mavennet.sourceforge.argparse4j:argparse4j—direct
Mavennet.sourceforge.argparse4j:argparse4j0.7.0direct
Mavenorg.apache.kafka:kafka-clients—direct
Mavenorg.apache.kafka:kafka-clients4.0.0direct
Mavenorg.apache.kafka:kafka-group-coordinator—direct
Mavenorg.apache.kafka:kafka-group-coordinator4.0.0direct
Mavenorg.apache.kafka:kafka-group-coordinator-api—direct
Mavenorg.apache.kafka:kafka-group-coordinator-api4.0.0direct
Mavenorg.apache.kafka:kafka-metadata—direct
Mavenorg.apache.kafka:kafka-metadata4.0.0direct
Mavenorg.apache.kafka:kafka-raft—direct
Mavenorg.apache.kafka:kafka-raft4.0.0direct
Mavenorg.apache.kafka:kafka-server—direct
Mavenorg.apache.kafka:kafka-server4.0.0direct
Mavenorg.apache.kafka:kafka-server-common—direct
Mavenorg.apache.kafka:kafka-server-common4.0.0direct
Mavenorg.apache.kafka:kafka-storage—direct
Mavenorg.apache.kafka:kafka-storage4.0.0direct
Mavenorg.apache.kafka:kafka-transaction-coordinator—direct
Mavenorg.apache.kafka:kafka-transaction-coordinator4.0.0direct
Mavenorg.apache.kafka:kafka_2.13—direct
Mavenorg.apache.kafka:kafka_2.134.0.0direct
Mavenorg.apache.logging.log4j:log4j-core2.24.3direct
Mavenorg.jboss.logmanager:log4j2-jboss-logmanager—direct
Mavenorg.scala-lang:scala-library—direct
Mavenorg.scala-lang:scala-library2.13.14direct
Mavenorg.testcontainers:testcontainers—direct
Mavenio.quarkus.platform:quarkus-bom3.25.4indirect
Mavenio.quarkus.platform:quarkus-maven-plugin3.25.4indirect
Mavenio.quarkus:maven-compiler-plugin—indirect
Mavenio.quarkus:quarkus-arc-deployment—indirect
Mavenio.quarkus:quarkus-extension-maven-plugin—indirect
Mavenio.quarkus:quarkus-extension-maven-plugin3.25.4indirect
Mavenio.quarkus:quarkus-junit5—indirect
Mavenio.quarkus:quarkus-junit5-internal—indirect
Mavenio.quarkus:quarkus-maven-plugin—indirect
Mavenorg.apache.maven.plugins:maven-compiler-plugin—indirect
Mavenorg.apache.maven.plugins:maven-compiler-plugin3.14.0indirect
Mavenorg.apache.maven.plugins:maven-failsafe-plugin—indirect
Mavenorg.apache.maven.plugins:maven-failsafe-plugin3.5.3indirect
Mavenorg.apache.maven.plugins:maven-gpg-plugin—indirect
Mavenorg.apache.maven.plugins:maven-gpg-plugin3.2.8indirect
Mavenorg.apache.maven.plugins:maven-help-plugin3.5.1indirect
Mavenorg.apache.maven.plugins:maven-javadoc-plugin—indirect
Mavenorg.apache.maven.plugins:maven-javadoc-plugin3.11.3indirect
Mavenorg.apache.maven.plugins:maven-release-plugin3.1.1indirect
Mavenorg.apache.maven.plugins:maven-source-plugin—indirect
Mavenorg.apache.maven.plugins:maven-source-plugin3.3.1indirect
Mavenorg.apache.maven.plugins:maven-surefire-plugin—indirect
Mavenorg.apache.maven.plugins:maven-surefire-plugin3.5.3indirect
Mavenorg.assertj:assertj-core3.27.4indirect
Mavenorg.awaitility:awaitility—indirect
Mavenorg.graalvm.sdk:graal-sdk—indirect
Mavenorg.jreleaser:jreleaser-maven-plugin—indirect
Mavenorg.jreleaser:jreleaser-maven-plugin1.19.0indirect
Mavenorg.junit.jupiter:junit-jupiter—indirect
Mavenorg.junit.jupiter:junit-jupiter-api—indirect
Mavenorg.junit.platform:junit-platform-commons—indirect
Mavenorg.mockito:mockito-core—indirect
Mavenorg.sonatype.plugins:nexus-staging-maven-plugin—indirect
Mavenorg.sonatype.plugins:nexus-staging-maven-plugin1.7.0indirect
Dependency advisories 13

Installing maven:com.ozangunalp:kafka-server@0.13.1 pulls in 138 packages, direct and transitive: 13 carry known advisories, of which 2 are direct dependencies.

PackageVersionRelationSeverityAdvisoriesFixed in
io.netty:netty-handler4.1.118.Finalindirectcritical54.2.17.Final
org.lz4:lz4-java1.8.0indirectcritical31.11.1
org.apache.kafka:kafka-clients4.0.0directhigh24.1.2
com.fasterxml.jackson.core:jackson-core2.18.2indirecthigh23.1.4
com.fasterxml.jackson.core:jackson-databind2.18.2indirecthigh73.2.1
commons-beanutils:commons-beanutils1.9.4indirecthigh12.0.0-M2
io.netty:netty-codec4.1.118.Finalindirecthigh34.2.16.Final
io.netty:netty-codec-http4.1.118.Finalindirecthigh184.2.17.Final
io.netty:netty-codec-http24.1.118.Finalindirecthigh84.2.16.Final
net.minidev:json-smart2.5.0indirecthigh12.5.2
org.apache.commons:commons-lang33.17.0indirectmoderate13.18.0
org.apache.logging.log4j:log4j-core2.24.3directlow42.25.4
org.apache.logging.log4j:log4j-api2.24.3indirectlow12.26.1

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.

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 — Maven.