Kotlin · For developers

Checks whether Android hidden-API implementations and system callbacks survive R8 minification, and diagnoses Release-only failures such as AbstractMethodError.

gkd-kit/gkd

Keeps IdeaVim documentation in sync with code changes. An agent skill from JetBrains/ideavim.

JetBrains/ideavim

Maintains the IdeaVim changelog (CHANGES.md). An agent skill from JetBrains/ideavim.

JetBrains/ideavim

Takes a GitHub or YouTrack issue for the Exposed project through reproduction, a failing test, a fix, validation and a pull request.

JetBrains/Exposed

Guide for creating and writing Expo native modules and views using the Expo Modules API (Swift, Kotlin, TypeScript).

bbplayer-app/BBPlayer

Update and review cherrypicklog.md, the todo list of upstream commits not yet cherry-picked into the fork's target branch.

komikku-app/komikku

Build or change a TeaQL application in Java, Rust, Go, Swift, Python, C/.NET, or TypeScript, including Kotlin/JVM applications that consume Java-generated libraries.

teaql/teaql-agent-kit

Scans a codebase for vulnerabilities with CodeQL's data flow and taint tracking in run-all or important-only modes, including data extensions for project-specific sources and sinks.

trailofbits/skills

Compose Multiplatform and Jetpack Compose patterns for KMP projects — state management, navigation, theming, performance, and platform-specific UI.

monta-app/ocpp-emulator

MANDATORY for static source-to-test pairing: find or list source files/modules without corresponding tests, or suggest test locations from repository structure.

microsoft/testfx

A skill your agent uses for Zhihu++ maintenance work that scans Kotlin main sources for low-call functions, structurally similar function bodies, dead code, pure forwarding wrappers, pointless…

zly2006/zhihu-plus-plus

Comprehensive code review skill for TypeScript, JavaScript, Python, Swift, Kotlin, Go.

jewbetcha/opentrace

Idiomatic Kotlin patterns, best practices, and conventions for building robust, efficient, and maintainable Kotlin applications with coroutines, null safety, and DSL builders.

getknit/knit

Create production-quality Android applications following Google's official architecture guidance and NowInAndroid best practices.

dpconde/claude-android-skill

A skill your agent uses to diagnose Jetpack Compose stability problems by enabling and reading the Compose Compiler Reports (classes.txt, composables.txt, composables.csv, module.json).

rosuH/EasyWatermark

Home Assistant Android module and layer architecture. An agent skill from home-assistant/android.

home-assistant/android

Adds accurate KDoc comments to all public Kotlin declarations, with the right tags for constructor properties and parameters and examples where they help.

modelcontextprotocol/kotlin-sdk

Add a new external Writerside documentation source to kotlin-web-site via the TeamCity Kotlin DSL (as a sub-documentation source under KotlinWithCoroutines).

JetBrains/kotlin-web-site

Migrates IdeaVim extensions from the old VimExtensionFacade API to the new @VimPlugin annotation-based API.

JetBrains/ideavim

Resolves deep, structural performance bottlenecks in the Kotlin Android codebase.

nekomangaorg/Neko

MkDocs documentation project reference covering CLI commands, mkdocs.yml configuration, Material theme setup, and plugin integration.

jeka-dev/jeka

Home Assistant Android coroutine and threading guidance. An agent skill from home-assistant/android.

home-assistant/android

A skill your agent uses when 用户要求为任意网站生成书源、生成阅读书源、分析小说站点、生成 Legado/阅读规则。强制触发词：书源、生成书源、帮我生成、book source、legado、阅读书源、小说站点分析。如果用户给出了一个 URL 并要求生成或分析，必须加载此 skill。

Narylr350/book-source-creator-skill

A skill your agent uses when writing or editing Javadoc for Lettuce public API — new methods, classes, deprecations, or when a reviewer asks to fix or improve doc comments.

redis/lettuce

Build and migrate Android apps with Kotlin, Jetpack Compose, MVVM, Hilt, Room 3 (KSP, SQLiteDriver, Flow/suspend DAOs), Navigation3, and multi-module Gradle.

Drjacky/claude-android-ninja

Helps add Expo and React Native to an existing native iOS or Android app, and choose between a prebuilt AAR or XCFramework and a fully integrated build.

mweinbach/agent-coworker

Handles deduplication of YouTrack issues. An agent skill from JetBrains/ideavim.

JetBrains/ideavim

Jetpack Compose expert skill for Android UI development. An agent skill from darriousliu/PiPixiv.

darriousliu/PiPixiv

Resolves deep architectural debt in the Kotlin Android codebase through macro-level refactoring.

nekomangaorg/Neko

Build and run repeatable react-native-nitro-sound recorder/player regression tests on an iOS Simulator or Android emulator, with explicit virtual-device selection, microphone permission, Maestro…

hyochan/react-native-nitro-sound

Scan a Kotlin or Compose Multiplatform diff for known footgun shapes and open the matching trap to confirm each hit.

maxrave-dev/kotlin-footguns

Spec-driven workflow for non-trivial work. An agent skill from ikarenkov/Modo.

ikarenkov/Modo

Publish a new kotlinx library API reference on kotlinlang.org/api via the TeamCity Kotlin DSL, the way kotlinx.coroutines, kotlinx.serialization, kotlinx-datetime and kotlinx-io are published.

JetBrains/kotlin-web-site

Expert guidance for working with Wear OS Compose Material3. An agent skill from jameshnsears/QuoteUnquote.

jameshnsears/QuoteUnquote

Apply Candy Browser's project-specific Kotlin, Jetpack Compose, Android/WebView, testing, and generator conventions.

sk2andy/candy-browser

Provides idiomatic Kotlin extension (KTX) patterns, reactive Flow event streams, and multi-subscriber shareIn rules for Google Maps SDK for Android and its Utility Library.

googlemaps/android-maps-ktx

Apply IntelliJ Kotlin and Java code style when writing or reviewing.

JetBrains/intellij-community

A skill your agent uses when editing source files (Java/Kotlin/XML/layout/AndroidManifest/Gradle) in a Android project, or when user asks to build/deploy/verify an Android app.

niki914/zafiro

Helps AI coding assistants write modern Jetpack Compose: correct state, side effects, performance-aware modifiers, Navigation 3, Paging 3 in Compose, coroutines on lifecycle, animations, UI tests…

hamen/compose_skill

Optimizes Gradle build scripts, compilation times, and Android Studio sync performance.

nekomangaorg/Neko

Home Assistant Android Kotlin style. An agent skill from home-assistant/android.

home-assistant/android

Required before any reply that touches KSafe (by ksafe(...), ksafe.get/put, :ksafe-compose, :ksafe-biometrics), even a 'can KSafe do X?' question or a one-line change that looks like plain Kotlin.

ioannisa/KSafe

Drops support for an old IntelliJ platform version in the JetBrains Academy plugin — removes branches/<old code, moves shared platform-specific code to the main source set, and fixes BACKCOMPAT…

JetBrains/educational-plugin

KtorMonitor is a Kotlin Multiplatform library for real-time HTTP traffic monitoring.

CosminMihuMDC/KtorMonitor

Performs strict code reviews on React Native plugin projects covering TypeScript, the Kotlin (Android) and Swift (iOS) native bridges, and the Expo config plugin.

talsec/Free-RASP-ReactNative

Create or update Candy Browser's English, image-rich, versioned release notes for the in-app What's New presentation and the matching GitHub release.

sk2andy/candy-browser

A skill your agent uses when developing applications with the Summon Kotlin Multiplatform UI framework.

codeyousef/summon

Desktop JVM and build traps: JNA natives, bundling, memory, packaging, code signing, R8, deep links, Gradle and CI releases.

maxrave-dev/kotlin-footguns