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kotlin

Kotlin (JetBrains 製プログラミング言語, kotlinlang.org) の言語仕様・標準ライブラリ・ツールチェーン。

null safety, data class, sealed class, 拡張関数, context parameters, スコープ関数 (let / run / apply / also / with), コレクション, Uuid, Duration (kotlin.time), kotlinx.coroutines (suspend, Flow), kotlinx.serialization (@Serializable, Json, ProtoBuf, CBOR), KGP, Maven, KSP, kapt, K2, KDoc。

한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.

Fandhe-AI/agent-reference-skills

설치 방법 보기

포함된 파일(198)

SKILL.md7.7 KB
references/basics/annotations.md6.9 KB
references/basics/basic-syntax.md5.3 KB
references/basics/coding-conventions.md8.4 KB
references/basics/control-flow.md7.0 KB
references/basics/destructuring-declarations.md3.9 KB
references/basics/equality.md2.4 KB
references/basics/exceptions.md5.1 KB
references/basics/idioms.md5.5 KB
references/basics/keyword-reference.md8.6 KB
references/basics/kotlin-doc.md3.0 KB
references/basics/null-safety.md3.5 KB
references/basics/packages.md3.0 KB
references/basics/README.md2.9 KB
references/basics/returns.md2.4 KB
references/basics/visibility-modifiers.md2.9 KB
references/build-tools/build-tools-api.md2.6 KB
references/build-tools/gradle-best-practices.md2.4 KB
references/build-tools/gradle-binary-compatibility-validation.md3.1 KB
references/build-tools/gradle-compilation-and-caches.md7.5 KB
references/build-tools/gradle-compiler-options.md10.5 KB
references/build-tools/gradle-configure-project.md13.6 KB
references/build-tools/gradle-plugin-variants.md2.3 KB
references/build-tools/gradle.md1.6 KB
references/build-tools/kotlin-daemon.md2.4 KB
references/build-tools/maven-compile-package.md1.7 KB
references/build-tools/maven-configure-project.md8.4 KB
references/build-tools/maven-kotlin-compiler.md3.5 KB
references/build-tools/maven-set-dependencies.md4.0 KB
references/build-tools/maven.md1.6 KB
references/build-tools/README.md3.3 KB
references/classes-objects/classes.md3.8 KB
references/classes-objects/data-classes.md2.6 KB
references/classes-objects/delegated-properties.md5.8 KB
references/classes-objects/delegation.md1.7 KB
references/classes-objects/enum-classes.md5.4 KB
references/classes-objects/extensions.md5.5 KB
references/classes-objects/fun-interfaces.md2.7 KB
references/classes-objects/inheritance.md3.3 KB
references/classes-objects/inline-classes.md3.8 KB
references/classes-objects/interfaces.md2.7 KB
references/classes-objects/nested-classes.md1.6 KB
references/classes-objects/object-declarations.md4.7 KB
references/classes-objects/properties.md4.3 KB
references/classes-objects/README.md2.7 KB
references/classes-objects/sealed-classes.md5.1 KB
references/classes-objects/this-expressions.md3.3 KB
references/collections/collection-aggregate.md3.4 KB
references/collections/collection-elements.md2.7 KB
references/collections/collection-filtering.md2.3 KB
references/collections/collection-grouping.md2.2 KB
references/collections/collection-operations.md2.9 KB
references/collections/collection-ordering.md3.7 KB
references/collections/collection-parts.md3.1 KB
references/collections/collection-plus-minus.md1.3 KB
references/collections/collection-transformations.md3.2 KB
references/collections/collection-write.md2.3 KB
references/collections/collections-overview.md3.1 KB
references/collections/constructing-collections.md3.4 KB
references/collections/iterators.md2.4 KB
references/collections/list-operations.md4.2 KB
references/collections/map-operations.md3.6 KB
references/collections/ranges.md2.1 KB
references/collections/README.md3.9 KB
references/collections/sequences.md2.8 KB
references/collections/set-operations.md1.5 KB
references/compiler/all-open-plugin.md2.6 KB
references/compiler/command-line.md1.9 KB
references/compiler/compiler-execution-strategy.md2.2 KB
references/compiler/compiler-plugins-overview.md2.6 KB
references/compiler/compiler-reference.md11.6 KB
references/compiler/compose-compiler-migration-guide.md2.0 KB
references/compiler/compose-compiler-options.md1.8 KB
references/compiler/custom-compiler-plugins.md3.2 KB
references/compiler/k2-compiler-migration-guide.md4.8 KB
references/compiler/kapt.md6.9 KB
references/compiler/ksp-command-line.md3.4 KB
references/compiler/ksp-incremental.md3.9 KB
references/compiler/ksp-kapt-migration.md1.5 KB
references/compiler/ksp-kotlin-model.md4.4 KB
references/compiler/ksp-multi-round.md2.7 KB
references/compiler/ksp-multiplatform.md2.4 KB
references/compiler/ksp-overview.md3.1 KB
references/compiler/ksp-quickstart.md5.7 KB
references/compiler/ksp-reference.md17.1 KB
references/compiler/lombok.md2.8 KB
references/compiler/no-arg-plugin.md2.3 KB
references/compiler/power-assert.md5.5 KB
references/compiler/README.md4.3 KB
references/compiler/sam-with-receiver-plugin.md2.0 KB
references/coroutines/async-programming.md6.5 KB
references/coroutines/channels.md5.2 KB
references/coroutines/composing-suspending-functions.md4.0 KB
references/coroutines/coroutine-context-and-dispatchers.md6.4 KB
references/coroutines/coroutines-basics.md7.2 KB
references/coroutines/coroutines-cancellation.md7.8 KB
references/coroutines/coroutines-debugging.md6.7 KB
references/coroutines/coroutines-flow-operators.md5.1 KB
references/coroutines/coroutines-flow.md10.4 KB
references/coroutines/coroutines-guide.md2.3 KB
references/coroutines/coroutines-overview.md2.4 KB
references/coroutines/exception-handling.md5.2 KB
references/coroutines/README.md3.1 KB
references/coroutines/select-expression.md4.6 KB
references/coroutines/shared-mutable-state-and-concurrency.md3.7 KB
references/functions/context-parameters.md3.5 KB
references/functions/functions.md5.9 KB
references/functions/inline-functions.md2.9 KB
references/functions/lambdas.md4.7 KB
references/functions/operator-overloading.md3.5 KB
references/functions/README.md1.9 KB
references/functions/type-safe-builders.md3.6 KB
references/functions/unused-return-value-checker.md4.5 KB
references/functions/using-builders-with-builder-inference.md3.6 KB
references/java-interop/comparison-to-java.md3.7 KB
references/java-interop/java-interop.md17.1 KB
references/java-interop/java-to-kotlin-collections-guide.md9.6 KB
references/java-interop/java-to-kotlin-idioms-strings.md4.2 KB
references/java-interop/java-to-kotlin-interop.md10.9 KB
references/java-interop/java-to-kotlin-nullability-guide.md4.9 KB
references/java-interop/jvm-records.md3.3 KB
references/java-interop/README.md1.6 KB
references/releases/compatibility-guide-23.md8.4 KB
references/releases/compatibility-guide-24.md8.1 KB
references/releases/components-stability.md4.0 KB
references/releases/kotlin-evolution-principles.md5.8 KB
references/releases/kotlin-language-features-and-proposals.md3.2 KB
references/releases/README.md2.8 KB
references/releases/releases.md4.4 KB
references/releases/whatsnew23.md7.6 KB
references/releases/whatsnew2320.md7.3 KB
references/releases/whatsnew24.md11.0 KB
references/releases/whatsnew2420.md10.4 KB
references/serialization/README.md3.2 KB
references/serialization/serialization-cbor.md3.8 KB
references/serialization/serialization-configure-json-serialization.md1.8 KB
references/serialization/serialization-create-and-use-serializers.md12.6 KB
references/serialization/serialization-custom-formats.md7.9 KB
references/serialization/serialization-customization-options.md5.9 KB
references/serialization/serialization-get-started.md5.0 KB
references/serialization/serialization-json-configuration.md6.2 KB
references/serialization/serialization-json-elements.md3.5 KB
references/serialization/serialization-json-io-sources.md3.5 KB
references/serialization/serialization-polymorphism.md7.1 KB
references/serialization/serialization-protobuf.md4.6 KB
references/serialization/serialization-serialize-builtin-types.md2.9 KB
references/serialization/serialization-transform-json.md5.7 KB
references/serialization/serialization.md2.4 KB
references/stdlib/metadata-jvm.md6.0 KB
references/stdlib/opt-in-requirements.md3.7 KB
references/stdlib/read-standard-input.md1.8 KB
references/stdlib/README.md1.5 KB
references/stdlib/reflection.md5.6 KB
references/stdlib/scope-functions.md3.7 KB
references/stdlib/time-measurement.md4.4 KB
references/stdlib/uuids.md3.4 KB
references/types/arrays.md6.7 KB
references/types/booleans.md2.1 KB
references/types/characters.md2.7 KB
references/types/generics.md7.6 KB
references/types/numbers.md7.9 KB
references/types/README.md1.5 KB
references/types/strings.md5.3 KB
references/types/type-aliases.md3.2 KB
references/types/typecasts.md6.8 KB
references/types/types-overview.md2.6 KB
references/types/unsigned-integer-types.md3.5 KB
samples/collections-list-set-map.md1.5 KB
samples/control-flow-when.md961 B
samples/coroutines-cancellation.md2.6 KB
samples/coroutines-structured-concurrency.md2.5 KB
samples/enum-classes.md1.2 KB
samples/extension-functions.md1.2 KB
samples/flow-collect-and-cancel.md3.2 KB
samples/flow-error-handling.md2.5 KB
samples/functions-named-default-arguments.md1.2 KB
samples/gradle-jvm-project.md1.8 KB
samples/idioms-null-handling-expressions.md1.7 KB
samples/junit-kotlin-tests-gradle.md2.8 KB
samples/lambdas-with-receiver-dsl.md1.2 KB
samples/maven-kotlin-test-surefire-failsafe.md1.6 KB
samples/null-safety-patterns.md1.3 KB
samples/object-declarations-companion.md2.4 KB
samples/open-classes-inheritance.md1.9 KB
samples/README.md4.4 KB
samples/scope-functions.md1.8 KB
samples/sealed-class-when.md1.8 KB
samples/serialization-json-roundtrip.md1.5 KB
samples/serialization-json-streams.md1.8 KB
samples/serialization-polymorphism.md2.8 KB
scripts/compiler-plugins.md2.1 KB
scripts/gradle.md3.7 KB
scripts/install.md1.5 KB
scripts/kotlin-daemon.md1.6 KB
scripts/kotlinc.md3.0 KB
scripts/ksp.md3.4 KB
scripts/maven.md1.5 KB
scripts/README.md1.1 KB

SKILL.md(원문)

설치하기 전에 에이전트에게 전달되는 지시 내용을 확인할 수 있습니다.

Kotlin

対象バージョン

対象	版	備考
Kotlin	2.4.21（2026-10-08、languageVersion / apiVersion 2.4）	`docs/v.list` で確認
kotlinx.coroutines	1.11.0
kotlinx.serialization	1.11.0
KSP	2.3.10

取得日: 2026-10-16
本文の一次ソース: kotlinlang.org/docs/llms.txt が列挙する Markdown twin https://kotlinlang.org/docs/_llms/<slug>.txt（例: basic-syntax.txt）。URL に版が無いため取得日を記録
照合用の原本
- Kotlin 本体ドキュメント: JetBrains/kotlin-web-site commit 0b10373a150997e9fbcd730a7e00ae8444cc8606（リリースタグが無いため SHA で pin）
- kotlinx.coroutines: Kotlin/kotlinx.coroutines commit 7e0d1b3e9ca83652427ae00dda7d1673f058a743（サイトは master から生成され、タグ 1.11.0 の docs は古い構成のため。保存した 14 件に 1.12 / EAP の記述は 0 件）
- kotlinx.serialization: Writerside ソースが公開されていないため twin のみ。補助として GitHub ガイドをタグ v1.11.0 で保存
除外した版: Kotlin 2.5.0-Beta1、kotlinx.serialization 1.12.0-RC

ディレクトリ構成

skills/kotlin/
  SKILL.md
  references/
    basics/                 # 構文・null safety・制御フロー・例外・KDoc・可視性（14 ページ）
      README.md
      basic-syntax.md  null-safety.md  control-flow.md  exceptions.md
      idioms.md  kotlin-doc.md  annotations.md  visibility-modifiers.md ...
    types/                  # 型システム（10 ページ）
      README.md
      numbers.md  strings.md  arrays.md  generics.md  typecasts.md  type-aliases.md ...
    classes-objects/        # クラス・オブジェクト（15 ページ）
      README.md
      classes.md  data-classes.md  sealed-classes.md  interfaces.md  extensions.md
      delegated-properties.md  object-declarations.md  inline-classes.md ...
    functions/              # 関数・ラムダ・DSL（8 ページ）
      README.md
      functions.md  lambdas.md  inline-functions.md  context-parameters.md
      type-safe-builders.md  operator-overloading.md ...
    collections/            # コレクション・シーケンス・Range（18 ページ）
      README.md
      collections-overview.md  collection-operations.md  sequences.md  ranges.md ...
    stdlib/                 # 標準ライブラリ補足（7 ページ）
      README.md
      scope-functions.md  opt-in-requirements.md  reflection.md  time-measurement.md  uuids.md ...
    java-interop/           # Java 相互運用（7 ページ）
      README.md
      java-interop.md  java-to-kotlin-interop.md  jvm-records.md ...
    coroutines/             # kotlinx.coroutines（14 ページ）
      README.md
      coroutines-basics.md  coroutines-flow.md  channels.md  exception-handling.md ...
    serialization/          # kotlinx.serialization（14 ページ）
      README.md
      serialization-get-started.md  serialization-configure-json-serialization.md
      serialization-polymorphism.md  serialization-protobuf.md ...
    build-tools/            # Gradle・Maven・Kotlin daemon（14 ページ）
      README.md
      gradle-configure-project.md  gradle-compiler-options.md  maven-configure-project.md ...
    compiler/               # コンパイラ・K2・コンパイラプラグイン・KSP・kapt（23 ページ）
      README.md
      compiler-reference.md  k2-compiler-migration-guide.md  ksp-overview.md  ksp-quickstart.md  kapt.md ...
    releases/               # リリース・互換性・What's new（10 ページ）
      README.md
      whatsnew24.md  whatsnew2420.md  compatibility-guide-24.md  components-stability.md ...
  samples/                  # 動く実例 22 件
    README.md
    null-safety-patterns.md  sealed-class-when.md  scope-functions.md
    coroutines-structured-concurrency.md  flow-collect-and-cancel.md
    serialization-json-roundtrip.md  gradle-jvm-project.md ...
  scripts/                  # コマンド集 7 件
    README.md
    install.md  kotlinc.md  gradle.md  maven.md  kotlin-daemon.md  ksp.md  compiler-plugins.md

探索手順

タスクからカテゴリを引き、カテゴリの README.md で目的のページを特定する。

下記マッピング表でタスクに対応するカテゴリを探す
そのカテゴリの references/{category}/README.md を参照して目的のページを特定する
該当ページの .md を Read して詳細を確認する
動く例が必要なら samples/README.md、実行コマンドが必要なら scripts/README.md を引く

タスク → カテゴリマッピング

タスク	カテゴリ	参照 README
基本構文・null safety・if / when / for・例外処理・可視性・KDoc を知りたい	basics	references/basics/README.md
数値・String・Array・ジェネリクス・型キャスト・typealias を知りたい	types	references/types/README.md
class・data class・sealed class・interface・拡張・委譲・object を知りたい	classes-objects	references/classes-objects/README.md
関数・ラムダ・inline・context parameters・DSL ビルダー・演算子オーバーロード	functions	references/functions/README.md
List / Set / Map の操作・変換・フィルタ・Sequence・Range	collections	references/collections/README.md
スコープ関数・opt-in・リフレクション・Duration・Uuid・標準入力	stdlib	references/stdlib/README.md
Java との相互運用・Java record・Java コレクションとの違い	java-interop	references/java-interop/README.md
suspend 関数・launch / async・Flow・Channel・キャンセル・例外	coroutines	references/coroutines/README.md
JSON / ProtoBuf / CBOR シリアライズ・カスタムシリアライザ・ポリモーフィズム	serialization	references/serialization/README.md
Gradle / Maven 設定・コンパイラオプション・Kotlin daemon	build-tools	references/build-tools/README.md
コンパイラオプション・K2 移行・KSP・kapt・all-open / no-arg 等のプラグイン	compiler	references/compiler/README.md
新バージョンの変更点・互換性ガイド・コンポーネント安定性	releases	references/releases/README.md
典型的な使い方を知りたい	samples	samples/README.md
インストール・CLI コマンドを知りたい	scripts	scripts/README.md

리뷰

아직 리뷰가 없습니다. 사용해 본 소감을 남겨 주세요.

로그인 없이 쓸 수 있습니다. 사용 후기, 질문, 작동하지 않은 환경 등을 편하게 남겨 주세요.

아직 댓글이 없습니다. 첫 댓글을 남겨 보세요.

같은 저장소의 스킬

amd-rocm

무료

AMD ROCm / HIP GPU コンピューティングリファレンス。 hipMalloc, hipLaunchKernelGGL, HIP Graph, hipGreenCtx, HIPRTC, hipify, rocBLAS, MIOpen, RCCL, hipThreads, libhipcxx, rocprofv3, amd-smi, rocminfo, TheRock / Core SDK 10, CDNA1-4 / RDNA1-4, MI300 / MI350 / MI350P, gfx942, Matrix Core, wave32/64。

한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.

Fandhe-AI/agent-reference-skills42026년 10월 20일 업데이트

android-architecture

무료

Android アプリ開発 (Kotlin) の推奨アーキテクチャリファレンス。 Jetpack, androidx, UI layer, Domain layer, Data layer, state holder, UDF, SSOT, オフラインファースト, モジュール化, ViewModel, viewModelScope, SavedStateHandle, Lifecycle, repeatOnLifecycle, collectAsStateWithLifecycle, LiveData, Hilt による DI, Paging 3 によるページング処理。

한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.

Fandhe-AI/agent-reference-skills42026년 10월 20일 업데이트

android-background-work

무료

Android アプリ開発 (Kotlin) のバックグラウンド・非同期処理リファレンス。 Jetpack androidx WorkManager: Worker, CoroutineWorker, WorkRequest, Constraints, WorkInfo, WorkContinuation, expedited work, テスト。 Service: フォアグラウンドサービス, バウンドサービス, AIDL, Messenger。 AlarmManager, PendingIntent, BroadcastReceiver, JobScheduler, Doze。 Kotlin コルーチン, Flow, StateFlow, SharedFlow, Channel。

한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.

Fandhe-AI/agent-reference-skills42026년 10월 20일 업데이트

android-build-gradle

무료

Android アプリ開発 (Kotlin) の Gradle ビルドシステムリファレンス。 Android Gradle Plugin (AGP), Kotlin DSL (build.gradle.kts), version catalog, KSP, R8/ProGuard, App Bundle, baseline profile。

한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.

Fandhe-AI/agent-reference-skills42026년 10월 20일 업데이트

android-compose-components

무료

Android Jetpack Compose (Kotlin) の androidx Material3 コンポーネントリファレンス。 Button, IconButton, FloatingActionButton, Checkbox, Switch, Slider, TextField, SearchBar, DropdownMenu, Chip, DatePicker, TimePicker, Card, Scaffold, Dialog, BottomSheet, TopAppBar, NavigationBar, NavigationRail, Tab, Snackbar, ProgressIndicator, Badge, Icon, MaterialTheme, ColorScheme, Typography, Shapes。

한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.

Fandhe-AI/agent-reference-skills42026년 10월 20일 업데이트

android-compose-graphics-animation

무료

Android Jetpack Compose (Kotlin) のアニメーション・描画リファレンス。 androidx.compose.animation / graphics API。 AnimatedVisibility, AnimatedContent, animate*AsState, Animatable, AnimationSpec, Canvas, DrawScope, Brush, Path, Color, Image。

한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.

Fandhe-AI/agent-reference-skills42026년 10월 20일 업데이트

Fandhe-AI의 스킬 모두 보기

이 스킬의 문제 신고

설치

명령으로 설치

npx skills add https://github.com/Fandhe-AI/agent-reference-skills --skill kotlin

터미널에 붙여 넣고 실행합니다(Node.js 필요). Claude Code, Codex 등 설치할 에이전트를 고를 수 있습니다.

에이전트에게 부탁하기

다음 Agent Skill을 설치해 주세요.
https://github.com/Fandhe-AI/agent-reference-skills/tree/main/skills/kotlin

먼저 SKILL.md와 첨부 파일의 내용을 확인해 수상한 처리(외부 전송, 인증 정보 읽기 등)가 없는지 확인한 뒤 Claude Code는 ~/.claude/skills/kotlin/, Codex는 ~/.agents/skills/kotlin/ 에 배치해 주세요.

이 문장을 그대로 Claude Code나 Codex에 보내면 내용을 확인한 뒤 설치해 줍니다.

GitHub에서 소스 보기

저장소: Fandhe-AI/agent-reference-skills
스타: 4
포크: 1
카테고리: 데이터·AI
원문 언어: 일본어
최종 업데이트: 2026년 10월 20일

스킬은 에이전트를 위한 지시와 스크립트의 묶음입니다. cccskills는 내용의 안전성을 보증하지 않습니다. 설치하기 전에 내용을 확인하세요.

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같은 저장소의 스킬

amd-rocm

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