# Kotlin/kotlinx-kover

Repository: https://github.com/Kotlin/kotlinx-kover
Canonical: https://ross.abutalabs.com/products/kotlinx-kover
Language: Kotlin
License: Apache-2.0
License Family: permissive
Last push: 2026-07-17T17:44:03+00:00

## Health v2 (maintenance only)
Score: 90/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 93, release rhythm 81, longevity 100
- inputs: {"age_days": 1849, "days_push": 47, "days_rel": 47, "gap_med": 43, "n_releases_24m": 10}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1630, forks 59 (observed 2026-08-28T04:05:14.094210+00:00)

## What it is
Kover is a JetBrains toolset for measuring test coverage of Kotlin code compiled for JVM and Android, provided as Gradle and Maven plugins, a CLI, and a JVM instrumentation agent. It generates HTML and XML coverage reports and supports verification rules to enforce coverage bounds.

## Use cases
- measure test coverage of Kotlin JVM projects
- generate HTML and XML coverage reports from Gradle builds
- enforce minimum coverage thresholds in CI
- collect coverage for Android unit and instrumented tests
- measure coverage in Kotlin multiplatform projects
- run coverage analysis via CLI without a build plugin

## When to choose
- you have Kotlin or mixed Kotlin/Java code on JVM or Android and need coverage reports
- you want coverage verification rules integrated into Gradle or Maven builds
- you need an alternative to JaCoCo tuned for Kotlin

## When to avoid
- your code targets Kotlin/JS or Kotlin/Native only
- you need coverage for non-JVM languages
- you require a fully stable tool and cannot tolerate beta-level changes

## Facets
- artifact type: plugin
- maturity: active
- function: testing, developer-tools, build-tool
- domain: testing, developer-tools
- platform: jvm, cli
- tags: code-coverage, kotlin, gradle-plugin, maven-plugin, jacoco, html-reports, xml-reports, jetbrains, jvm, android, gradle, maven

## Member repositories
- Kotlin/kotlinx-kover (main) score 90

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:05:14.094210+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T03:47:52.250726+00:00, confidence not recorded.
  - readme: https://github.com/Kotlin/kotlinx-kover (fetched 2026-08-28T04:05:14.094210+00:00, sha 515b50a7dd99)
- Data as of 2026-08-30T08:39:29.467469+00:00.