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Updated 1w ago

by Kotlin

kotlin-agent-skills

A collection of AI agent skills useful for projects using Kotlin language

  • Active — Updated in the last 14 days
View on GitHub (opens in a new tab)

1.1k GitHub stars (1,082)

+24 in 20 days

Stars gained per day · daily snapshots since Sep 26
Stars gained per day, Sep 26 to Oct 16: +24 in total; the busiest day was Sep 30 with +5 stars.Sep 27: 0 starsSep 28: +1 starsSep 29: +2 starsSep 30: +5 starsOct 1: −1 starsOct 2: +1 starsOct 3: 0 starsOct 4: +1 starsOct 5: 0 starsOct 6: +3 starsOct 7: +1 starsOct 8: +1 starsOct 9: +1 starsOct 10: −1 starsOct 11: +1 starsOct 12: +2 starsOct 13: 0 starsOct 14: +1 starsOct 15: +4 starsOct 16: +2 stars
Stars gained between daily snapshots
PeriodNew stars
Sep 270
Sep 28+1
Sep 29+2
Sep 30+5
Oct 1−1
Oct 2+1
Oct 30
Oct 4+1
Oct 50
Oct 6+3
Oct 7+1
Oct 8+1
Oct 9+1
Oct 10−1
Oct 11+1
Oct 12+2
Oct 130
Oct 14+1
Oct 15+4
Oct 16+2
  • 10 skills (10 skills found in its SKILL.md files)
  • 43 forks (43 forks)
  • 1w ago last update (Last updated 1w ago)

Install

Skills CLI

npx skills add Kotlin/kotlin-agent-skills

Asks which skills and agents to install. Just one: npx skills add Kotlin/kotlin-agent-skills --skill kotlin-backend-jpa-entity-mapping — add -g for every project.

Claude Code

git clone https://github.com/Kotlin/kotlin-agent-skillscp -r "kotlin-agent-skills/skills/kotlin-backend-jpa-entity-mapping" ~/.claude/skills/

Copies the kotlin-backend-jpa-entity-mapping skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project). Repeat for the other skills listed below.

Plugin

/plugin marketplace add Kotlin/kotlin-agent-skills

Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.

Skills can run code on your machine — read the SKILL.md first.

What it does

In the author's own words, from each skill's SKILL.md.

  • kotlin-backend-jpa-entity-mapping

    Model Kotlin persistence code correctly for Spring Data JPA and Hibernate. Covers entity design, identity and equality, uniqueness constraints, relationships, fetch plans, and common ORM (Object-Relational Mapping) traps specific to Kotlin. Use when creating or reviewing JPA (Java Persistence API) entities, diagnosing N+1 or LazyInitializationException, placing indexes and uniqueness rules, or pr…

    skills/kotlin-backend-jpa-entity-mapping/SKILL.md on GitHub (opens in a new tab)

  • kotlin-tooling-agp9-migration

    Migrates Kotlin Multiplatform (KMP) projects to Android Gradle Plugin 9.0+. Handles plugin replacement (com.android.kotlin.multiplatform.library), module splitting, DSL migration, and the new default project structure. Use when upgrading AGP, when build fails due to KMP+AGP incompatibility, or when the user mentions AGP 9.0, android multiplatform plugin, KMP migration, or com.android.kotlin.multi…

    skills/kotlin-tooling-agp9-migration/SKILL.md on GitHub (opens in a new tab)

  • kotlin-tooling-cocoapods-spm-migration

    Migrate KMP projects from CocoaPods (kotlin("native.cocoapods")) to Swift Package Manager (swiftPMDependencies DSL) — replaces pod() with swiftPackage(), transforms cocoapods.* imports to swiftPMImport.*, and reconfigures the Xcode project.

    skills/kotlin-tooling-cocoapods-spm-migration/SKILL.md on GitHub (opens in a new tab)

  • kotlin-tooling-gradle-to-kotlin-toolchain-plugin

    Load when porting, converting, or reimplementing a single Gradle plugin as a Kotlin Toolchain local plugin, or when mapping Gradle plugin concepts (Task, Extension, project.version, dependsOn, -P properties, afterEvaluate) to Toolchain analogs. Skip for migrating a whole Gradle project or authoring a plugin from scratch.

    skills/kotlin-tooling-gradle-to-kotlin-toolchain-plugin/SKILL.md on GitHub (opens in a new tab)

  • kotlin-tooling-gradle-to-kotlin-toolchain-project

    Load when migrating or converting an entire Gradle Kotlin project (build.gradle(.kts), wrapper, libs.versions.toml, buildSrc) to the Kotlin Toolchain, including rewriting CI and replacing Gradle plugins that have no native Toolchain equivalent. Skip for porting one Gradle plugin or general Toolchain work once Gradle is gone.

    skills/kotlin-tooling-gradle-to-kotlin-toolchain-project/SKILL.md on GitHub (opens in a new tab)

  • kotlin-tooling-immutable-collections-0-5-x-migration

    Migrate Kotlin (and Java) code from kotlinx.collections.immutable 0.3.x / 0.4.x to the latest 0.5.x. The 0.5.x line renames every copy-returning method on PersistentList / PersistentMap / PersistentSet / PersistentCollection to a participial form per KEEP-0459 (add→adding, removeAt→removingAt, set→replacingAt, put→putting, clear→cleared, …) and deprecates the old names (WARNING, with ReplaceWith)…

    skills/kotlin-tooling-immutable-collections-0-5-x-migration/SKILL.md on GitHub (opens in a new tab)

  • kotlin-tooling-java-to-kotlin

    Use when converting Java source files to idiomatic Kotlin, when user mentions "java to kotlin", "j2k", "convert java", "migrate java to kotlin", or when working with .java files that need to become .kt files. Handles framework-aware conversion for Spring, Lombok, Hibernate, Jackson, Micronaut, Quarkus, Dagger/Hilt, RxJava, JUnit, Guice, Retrofit, and Mockito.

    skills/kotlin-tooling-java-to-kotlin/SKILL.md on GitHub (opens in a new tab)

  • kotlin-tooling-kotlin-toolchain-plugin-authoring

    Load when authoring, writing, or designing a Kotlin Toolchain local plugin to extend the declarative build with code generation, build-time processing, custom verification, or packaging that module.yaml cannot express, or when referencing @TaskAction, @Configurable, plugin.yaml, or jvm/amper-plugin. Skip for porting an existing Gradle plugin.

    skills/kotlin-tooling-kotlin-toolchain-plugin-authoring/SKILL.md on GitHub (opens in a new tab)

  • kotlin-tooling-kotlin-toolchain

    Load when building, running, testing, packaging, linting, or configuring a Kotlin/Java project with the Kotlin Toolchain (JetBrains' unified CLI, formerly Amper), when scaffolding a new or greenfield Kotlin project, or when the repo has project.yaml, module.yaml, or a ./kotlin wrapper. Skip for existing Gradle/Maven projects.

    skills/kotlin-tooling-kotlin-toolchain/SKILL.md on GitHub (opens in a new tab)

  • kotlin-tooling-native-build-performance

    Diagnoses and fixes slow Kotlin/Native compilation and linking in Kotlin Multiplatform projects that target iOS. Use when the user reports slow iOS or shared-framework builds, long linkDebug*/linkRelease* or XCFramework tasks, cold CI builds that re-download the Kotlin/Native toolchain, KSP or other generated code on the native path, transitiveExport usage, or asks for a local-development versus…

    skills/kotlin-tooling-native-build-performance/SKILL.md on GitHub (opens in a new tab)

Review before you install

A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.