173 Claude Code skills tagged Java. Browse all programming language-related skills in the open ClaudSkills registry — free to install, one-click via the desktop app.
Showing all 173 skills.
Analyzes Java stack traces, diagnoses exceptions, identifies root causes, and troubleshoots performance problems. Deconstructs stack traces, investigates NullPointerException, anal
engineering
Refactors legacy Java code to modern patterns and best practices. Use when modernizing old Java code, converting to Java 8+ features, refactoring legacy applications, applying desi
engineering
Use when Java concurrency with ExecutorService, CompletableFuture, and virtual threads. Use when building concurrent applications.
engineering
Expert-level Java development with Java 21+ features, Spring Boot, Maven/Gradle, and enterprise best practices
engineering
Use when Java generics including type parameters, wildcards, and type bounds. Use when writing type-safe reusable code.
engineering
Creates complete Spring Boot services following best practices and layered architecture. Use when building REST APIs, creating Spring services, setting up controllers, implementing
engineering
Use when Java Streams API for functional-style data processing. Use when processing collections with streams.
engineering
Optimize Gradle build speed with Configuration Cache, parallel execution, and AGP 9 tuning
general
Execute an implementation plan phase-by-phase by delegating to sc:implement, with `./gradlew` verification between phases and a hard stop on any failure. Use whenever the user says
general
Creates, lists, and manages Architecture Decision Records for Java projects. Use when user asks to "create an ADR", "document this decision", "write an architecture decision", "add
engineering
Reviews Java REST API design including HTTP methods, status codes, naming, and versioning. Use when user asks to "review my API", "check REST design", "is this good REST", "review
engineering
Reviews or implements Clean Architecture / Hexagonal Architecture (Ports & Adapters) and DDD tactical patterns for Java projects. Use when user asks to "apply clean architecture",
product
Generates a Conventional Commits message for staged Java changes. Use when user asks to "write a commit message", "help me commit", "what should my commit say", "summarize my chang
engineering
Reviews Java code for thread safety, race conditions, deadlocks, and Java 21 virtual thread compatibility. Use when user asks to "review concurrency", "is this thread safe", "check
engineering
Generates a complete Spring Boot CRUD feature (entity, repository, service, controller, DTOs, tests) in an existing project. Use when user asks to "add CRUD for", "generate entity"
engineering
Detects GoF patterns in Java code or recommends the right pattern for a problem. Use when user asks to "what pattern is this", "detect design patterns", "suggest a pattern", "shoul
engineering
Generates Javadoc comments for Java classes and methods. Use when user asks to "add javadoc", "document this class", "write documentation", "add comments", "generate docs", or "doc
engineering
Explains Java code in plain language including design patterns. Use when user asks to "explain this code", "what does this do", "help me understand", "walk me through this", or "ho
engineering
Diagnoses and fixes Java compile errors, runtime exceptions, and stack traces. Use when user asks to "fix this error", "this won't compile", "I'm getting an exception", "debug this
engineering
Runs a holistic code health check scoring Security, Tests, Performance and Quality with A-F grades. Use when user asks to "check health", "score this project", "health check", "how
engineering
Reviews Spring Data JPA for N+1 queries, fetch strategies, projections, and Specifications. Use when user asks to "review JPA", "check for N+1", "JPA performance", "review my entit
engineering
Reviews Java logging for SLF4J best practices, MDC context, structured logging, and PII safety. Use when user asks to "review logging", "check my logs", "logging review", "is my lo
engineering
Interactive Java version upgrade guide (8 to 11, 11 to 17, 17 to 21). Use when user asks to "migrate to Java 17", "upgrade to Java 21", "Java migration guide", "move from Java 11 t
engineering
Generates or reviews OpenAPI / Swagger documentation for Spring Boot REST APIs — adds @Operation, @Schema, @ApiResponse annotations and configures Swagger UI. Use when user asks to
engineering
Quick Java performance scan flagging N+1 queries, memory issues, threading problems, and algorithmic hotspots. Use when user asks to "check performance", "performance scan", "any N
engineering
Suggests and applies version-gated Java refactorings. Use when user asks to "refactor this", "clean up this code", "modernize this Java", "simplify this", "extract method", "improv
engineering
Reviews Java code for bugs, naming issues, code smells, and version-appropriate idioms. Use when user asks to "review this code", "check my Java", "look at this class", "find issue
engineering
Scaffolds a brand-new Spring Boot project from scratch — build file, package structure, and a starter feature. Use when user asks to "create a new Spring Boot project", "bootstrap
engineering
Reviews or implements Spring Security configuration — JWT authentication, OAuth2, method-level security, CORS, and CSRF. Use when user asks to "add authentication", "secure this AP
security
Quick OWASP security scan for injection risks, hardcoded secrets, weak crypto, and Spring Security misconfigs. Use when user asks to "security scan", "check for vulnerabilities", "
security
Checks Java code for SOLID principles violations with Java-specific patterns. Use when user asks to "check SOLID principles", "is this good OOP", "single responsibility", "SOLID vi
engineering
Generates JUnit 5 and Mockito unit tests or Testcontainers integration tests, auto-detecting project setup. Use when user asks to "write tests", "generate tests", "add unit tests",
engineering
Java SDK development for enterprise environments
tools
Use when you need to review, improve, or troubleshoot a Maven pom.xml file — including dependency management with BOMs, plugin configuration, version centralization, multi-module p
engineering
Use when you need to add or evaluate Maven dependencies that improve code quality — including nullness annotations (JSpecify), static analysis (Error Prone + NullAway), functional
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Use when you need to add or configure Maven plugins in your pom.xml — including quality tools (enforcer, surefire, failsafe, jacoco, pitest, spotbugs, pmd), security scanning (OWAS
engineering
Use when you need to create a DEVELOPER.md file for a Maven project — combining a fixed base template with dynamic sections derived from the project pom.xml, including a Plugin Goa
engineering
Covers Maven Central search (Search API, maven-metadata.xml, artifact URLs) and project-local update reports via versions-maven-plugin (display-property-updates, display-dependency
engineering
Use when you need to review, improve, or build Spring Boot 4.0.x applications — including proper usage of @SpringBootApplication, component annotations (@Controller, @Service, @Rep
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Use when you need to design, review, or improve REST APIs with Spring Boot — including HTTP methods, resource URIs, status codes, DTOs, versioning, deprecation and sunset headers,
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Use when you need to design, review, or improve validation in Spring Boot applications — including Bean Validation on request DTOs, @Valid/@Validated at API boundaries, constraint
engineering
Use when you need to design, review, or improve security in Spring Boot applications — including SecurityFilterChain, OAuth2/JWT resource server patterns, form login basics, method
security
Use when you need to write unit tests for Spring Boot applications — including pure unit tests with @ExtendWith(MockitoExtension.class) for @Service/@Component, slice tests with @W
engineering
Use when you need to write or improve integration tests — including Testcontainers with @ServiceConnection, @DataJdbcTest persistence slices, TestRestTemplate or MockMvcTester for
engineering
Use when you need to implement acceptance tests from a Gherkin .feature file for Spring Boot applications — including finding scenarios tagged @acceptance, implementing happy path
engineering
Expert Spring Boot engineer mastering Spring Boot 3+ with cloud-native patterns. Specializes in microservices, reactive programming, Spring Cloud integration, and enterprise soluti
engineering
Build, update, and troubleshoot AllayMC plugins in Java or other JVM languages. Use when creating a new AllayMC plugin, migrating an existing plugin to a new Allay API version, wir
general
Build and deploy Android app to connected device via USB. Fast deployment (~2-5 seconds) using Gradle and ADB. Use when deploying, installing, or building Android apps to physical
engineering
Skill local para compilar e instalar Aethereum/VocoGal. Usa Gradle e ADB para enviar a app ao móbil.
general
Create Android dynamic feature modules with Gradle, Koin DI, Navigation registration. Use for new features, modularization, feature flags.
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Automate Gradle tasks for Android projects - build, test, coverage, clean. Use when building APKs, running unit tests, generating coverage reports, or checking dependencies.
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Gradle build logic e Convention Plugins. Use when mexendo na configuração de build do CraftD (build-logic/, libs.versions.toml).
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Développement Android natif avec Kotlin et Jetpack Compose. Se déclenche avec "Android", "Kotlin", "Jetpack Compose", "Android Studio", "Gradle", "Room", "Hilt", "Coroutines", "Pla
engineering
Configure Android release build signing with dual-source credentials (env vars + gradle.properties)
security
重要: ユーザーがAndroidテスト実行をリクエストした場合、常にこのスキルを最初に使用してください。以下の場合に必ず使用: run TestName, execute test, テストを実行, 結果を分析, run all tests, analyze test failures, fix failing tests、または Android unit
engineering
Configure AWS RDS (Aurora, MySQL, PostgreSQL) with Spring Boot applications. Use when setting up datasources, connection pooling, security, and production-ready database configurat
engineering
Autonomously run quality checks (detekt, Gradle tests) to establish baseline or detect regressions. Supports three modes (capture, compare, auto) for comprehensive regression detec
general
Maintains IdeaVim changelog (CHANGES.md) and build.gradle.kts changeNotes. Use when updating changelog, documenting releases, or reviewing commits/PRs for changelog entries.
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Analyze Gradle dependencies for outdated versions, known CVEs, unnecessary transitive dependencies, and version conflicts
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Monitor and maintain CI runner health — check disk space, clear stale caches (Flutter, Gradle, npm, Docker), prune old worktrees, and report status. Prevents cache corruption failu
engineering
Diagnose and fix problems with a CometChat Android integration. Gradle errors, runtime crashes, rendering issues, and version compatibility.
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CometChat Android UIKit v6 core setup — Gradle dependencies, SDK initialization, login/logout, and message sending
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Convert Java code to idiomatic C. Use when migrating Java projects to C, translating Java patterns to idiomatic C, or refactoring Java codebases for performance, minimal runtime de
engineering
Convert Java code to idiomatic C++. Use when migrating Java projects to C++, translating Java patterns to idiomatic C++, or refactoring Java codebases. Extends meta-convert-dev wit
engineering
Convert Java code to idiomatic Rust. Use when migrating Java projects to Rust, translating Java patterns to idiomatic Rust, or refactoring Java codebases. Extends meta-convert-dev
engineering
Complete Maven standards covering build processes, POM maintenance, dependency management, and Maven integration for CUI projects
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Fix Dependabot security vulnerabilities in Java/Gradle projects using severity-based processing, dependency substitution strategies, and dependency graph verification. Use when Dep
security
Version catalog strategy, dependency management, BOMs, and version constraints for Java/Gradle projects. Covers version centralization, never-downgrade policy, bundle patterns, res
general
Scan project dependencies for known vulnerabilities (CVEs), auto-fix safe patches, and generate SBOM. Auto-detects all package managers in monorepos — npm (npm audit), yarn (yarn a
security
Upgrade dependencies for Java/Kotlin (Gradle/Maven) and TypeScript/Node projects with minimal risk: plan the bump, apply changes incrementally, run tests/builds, and document break
engineering
Développement Android natif avec Kotlin et Jetpack Compose. Se déclenche avec "Android", "Kotlin", "Jetpack Compose", "Android Studio", "Gradle", "Room", "Hilt", "Coroutines", "Pla
engineering
Expert en configuration et optimisation Gradle pour Android Kotlin. Gère build.gradle, Kotlin DSL, dépendances, flavours, variants. Se déclenche avec "gradle", "build error", "dépe
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Développement Java avec Spring Boot, Spring Security et l'écosystème Spring. Se déclenche avec "Java", "Spring Boot", "Spring", "JPA", "Hibernate", "Maven", "Gradle", "Spring Secur
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Spring Boot/MyBatisによるバックエンド実装スキル - RESTful API設計、データベース設計（Flywayマイグレーション）、Controller/Service/Mapper層の実装、単体テスト作成を行います。DRY原則を徹底し、product.utilパッケージの既存実装やAOPによる自動ログ出力を活用します。未使用コード削除をI
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Android 実機またはエミュレータへのビルド・デプロイ・動作確認の一連のワークフロー（WSL2 + Gradle + adb）。 このスキルを使うべき場面: 実機にデプロイしたい、実機で確認したい、デバイスにインストールして、 APK をビルドして入れて、adb でアプリをインストール、アプリデータをクリアして再インストール、 logcat でログを見た
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Conventions and style guidelines for dgroomes' personal projects. Use when upgrading, maintaining, or creating projects in dgroomes' repositories. Covers README style, Gradle confi
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Android エミュレータでアプリの画面表示や動作をプレビュー確認するためのワークフロー（WSL2 + Gradle + adb）。 このスキルを使うべき場面: エミュレータでプレビューしたい、エミュレータで確認したい、 エミュレータにデプロイして、x86_64 ビルドで試したい、emulator-preview、/emulator-preview。 実機
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Expert guidance for integrating FeatBit Java Server SDK. Use when user asks about "Java SDK", "Java feature flags", "FeatBit Java", "Maven feature flags", or mentions .java or buil
engineering
Fix Dependabot security vulnerabilities in Java/Gradle projects using severity-based processing, dependency substitution strategies, and dependency graph verification. Use when Dep
security
Provides expert guidance for building GraalVM Native Image executables from Java applications. Use when converting JVM applications to native binaries, optimizing cold start times,
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Upgrade from Gradle 8.x to Gradle 9.x with plugin compatibility updates. Required for Java 25 support. Includes plugin version mappings and migration patterns.
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Expert en configuration et optimisation Gradle pour Android Kotlin. Gère build.gradle, Kotlin DSL, dépendances, flavours, variants. Se déclenche avec "gradle", "build error", "dépe
engineering
Configures Gradle builds for CI/CD platforms including GitHub Actions, GitLab CI, Jenkins, and CircleCI. Use when setting up automated builds, configuring caching strategies, runni
engineering
Manages Gradle dependencies using version catalogs, BOMs, and dependency constraints. Use when setting up dependency management, centralizing versions, resolving conflicts, or conf
general
Configures and builds optimized Docker images using Google's Jib plugin without Docker daemon or Dockerfile. Use when containerizing Spring Boot microservices, building multi-archi
engineering
Gradle build configuration standards for Java projects. Covers version catalogs, dependency bundles, multi-module setup, BOM management, and common troubleshooting. Use when config
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Configures comprehensive testing in Gradle including JUnit 5, TestContainers, test separation (unit vs integration), and code coverage with JaCoCo. Use when asked to "set up JUnit
engineering
Analyzes and resolves common Gradle build issues including OutOfMemory errors, dependency conflicts, build cache problems, configuration cache failures, and slow builds. Use when a
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How to write .vscode/tasks.json — build/test task schema, dependsOn chains, per-language examples (Gradle, Go, Node/pnpm, Python, Zig). Use when creating build tasks, test tasks, o
tools
Guide for creating IntelliJ Platform plugins using Gradle and Kotlin/Java. Use when users want to create, configure, or develop plugins for IntelliJ IDEA or other JetBrains IDEs.
engineering
Upgrade Java projects from Java 21 to Java 25 with required dependency updates. Requires Gradle 9.x, Groovy 5.x, and updated plugins for compatibility.
engineering
GraalVM Native Image expert that adds native image support to Java applications, builds the project, analyzes build errors, applies fixes, and iterates until successful compilation
engineering
Discover Java API signatures from compiled JARs using javap instead of guessing or relying on incomplete documentation. Use when encountering unknown methods, pagination patterns,
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Use when building, configuring, or debugging enterprise Java applications with Spring Boot 3.x, microservices, or reactive programming. Invoke to implement WebFlux endpoints, optim
engineering
Expert Java architect specializing in Java 21, Spring Boot 3, and Jakarta EE ecosystem. This agent excels at designing enterprise-grade applications with modern Java features, micr
engineering
Use when the user asks to add caching, configure Redis or Caffeine cache, use @Cacheable/@CacheEvict/@CachePut, optimize repeated database or API calls, or review existing Spring B
engineering
Core CDI patterns including constructor injection, scopes, producers, and container configuration
engineering
Quarkus-specific CDI patterns including @QuarkusTest, native image support, and reflection registration
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Java coding standards for Spring Boot services: naming, immutability, Optional usage, streams, exceptions, generics, and project layout.
engineering
Core Java development patterns including code organization, modern features, performance patterns, and implementation verification
engineering
JaCoCo code coverage configuration for Java/Gradle projects. Covers report generation, coverage thresholds, multi-module aggregation, and SonarQube integration. Use when setting up
engineering
Guide Claude to create domain modules following DDD principles and hexagonal architecture for Java + Spring Boot projects. Use when user requests: (1) "Create a new module" / "새 모듈
engineering
A comprehensive guide providing essential design principles and best practices for Java development
engineering
Containerize Java applications - Dockerfile optimization, JVM settings, security
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Java 25 development patterns for the crypto-scout ecosystem including microservices, ActiveJ, and async I/O
engineering
Enforce CUI logging standards by validating LogRecord usage, testing coverage, and identifier organization
engineering
Master core Java programming - syntax, OOP, collections, streams, and exception handling
engineering
Use jackknife Maven plugin to explore JARs, search types and members, decompile classes, inspect annotations, and instrument bytecode. Trigger when the user needs to: investigate a
engineering
Master JPA/Hibernate - entity design, queries, transactions, performance optimization
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Lombok patterns including @Delegate, @Builder, @Value, @UtilityClass for reducing boilerplate
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Execute systematic logging standards maintenance with plan tracking and comprehensive test coverage
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Java code maintenance standards including prioritization, refactoring triggers, and compliance verification
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Maven build system, dependency management, and Java project configuration assistance.
engineering
Generate a complete Model Context Protocol server project in Java using the official MCP Java SDK with reactive streams and optional Spring Boot integration.
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Build microservices - Spring Cloud, service mesh, event-driven, resilience patterns
engineering
Javaコードのモダン化・リファクタリング・現代的Javaの書き方に関するあらゆる作業に使用する。Java 8以前の旧来コードをJava 11/17/21/25のモダンスタイルへ書き換えるとき、var・record・switch式・テキストブロック・sealed class・仮想スレッドなどの新機能を使う方法を調べるとき、Stream APIやOptiona
engineering
JSpecify null safety annotations with @NullMarked, @Nullable, and package-level configuration
engineering
Generate package-info.java files for Java packages. Use when the user requests to add package documentation files to Java packages, create package-info.java files, or document Java
engineering
Java development patterns: Spring Boot, CompletableFuture, records, sealed types, streams, JPA/Hibernate, Maven/Gradle, virtual threads (Loom). Triggers: Java, Spring, Spring Boot,
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Conduzir análise de performance e qualidade em mudanças Java com foco em decisão baseada em evidência. Usar quando houver otimização de código, suspeita de regressão de latência/th
engineering
JVM performance tuning - GC optimization, profiling, memory analysis, benchmarking
engineering
Master Java 21+ with modern features like virtual threads, pattern matching, and Spring Boot 3.x. Expert in the latest Java ecosystem including GraalVM, Project Loom, and cloud-nat
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Java-specific tooling, documentation standards, testing practices, and modern idioms. Use when working with Java code or Java-based projects on the JVM.
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Java Quarkus development guidelines for building cloud-native applications with fast startup, minimal memory footprint, and GraalVM native builds
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Use when the user asks to add resilience patterns, handle service failures, implement circuit breaker, retry, rate limiter, bulkhead, or timeout in a Spring Boot project using Resi
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WHEN: Java code review, Java idioms, exception handling, collections, streams, Java 17+ features WHAT: Exception patterns + resource management + null safety + stream usage + moder
engineering
Java coding rules from ai-toolkit: coding-style, frameworks, patterns, security, testing. Triggers: .java, pom.xml, build.gradle, Spring, Spring Boot, JPA, Hibernate, JUnit, Maven,
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Développement Java avec Spring Boot, Spring Security et l'écosystème Spring. Se déclenche avec "Java", "Spring Boot", "Spring", "JPA", "Hibernate", "Maven", "Gradle", "Spring Secur
engineering
Use when the user asks to add AI features, integrate Spring AI or LangChain4J, build a chatbot, implement RAG (retrieval-augmented generation), use vector stores, stream LLM respon
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Java Spring Boot development guidelines with best practices for building robust, secure, and maintainable enterprise applications
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Java service standards for Bitso projects. Covers tech stack requirements, project organization, code review guidelines, MapStruct usage, and build verification practices. Use when
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Java testing guidelines using Spock Framework and Groovy. Covers test structure, mocking patterns, persistence testing with Testcontainers, gRPC testing, and Spring Boot test confi
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Advanced testing - Testcontainers, contract testing, mutation testing, property-based
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Comprehensive guidance for writing high-quality unit tests in Java projects using JUnit 5 and AssertJ. Use when writing unit tests, creating test classes, or need guidance on mocki
engineering
Provides Java VO (Value Object) generation standards including VO classification, naming conventions, class structure, field specifications, and annotation usage. Invoke when gener
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JetBrains MCP 도구를 활용한 빠른 개발 워크플로우. IDE 검사, Run Configuration 실행, 리팩토링, 파일 검색 등을 통해 Gradle 의존도를 줄이고 개발 속도를 10배 향상시킵니다. Kotlin/Spring 개발 시 필수로 사용하세요.
engineering
Resolves AndroidX/Jetpack library information including version lookup, package-to-Maven-coordinate conversion, and source code downloading. Provides tools for inspecting Jetpack l
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Use when reviewing or designing Gradle build structure for KMP projects — shared build logic, convention plugins, version catalogs, Android KMP plugin usage, source-set configurati
engineering
Kotlin coding rules from ai-toolkit: coding-style, frameworks, patterns, security, testing. Triggers: .kt, .kts, build.gradle.kts, Ktor, Jetpack Compose, coroutines, kotlinx. Load
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Kotlin/Spring Boot 3.x patterns - use for backend services, REST APIs, dependency injection, controllers, and service layers
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Kotlin-specific library development patterns. Use when creating Kotlin libraries, designing idiomatic Kotlin APIs with extension functions and DSLs, configuring Gradle Kotlin DSL (
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Integration patterns for LangChain4j with Spring Boot. Auto-configuration, dependency injection, and Spring ecosystem integration. Use when embedding LangChain4j into Spring Boot a
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Maven build patterns for multi-module projects, Maven Central publishing via OSSRH, GPG signing, release profiles, Spring Boot parent POM, BOM dependency management, and automated
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JVM dependency intelligence via Maven Tools MCP server. Use when user asks about Java/Kotlin/Scala dependencies, versions, upgrades, CVEs, or licenses. Use when analyzing pom.xml,
engineering
Use when the user wants to scaffold, bootstrap, or create a new Android project from scratch. Produces an opinionated single-module Compose app with Metro DI, Circuit (Slack) state
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Build Java/Gradle OPIS projects. Use when compiling Java code, creating JAR files, running Gradle tasks, or troubleshooting build issues. Covers Spring Boot services and connector
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Expert guidance for Spring Boot application development with best practices for RESTful APIs, testing, security, and deployment
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Provides patterns to configure Spring Boot Actuator for production-grade monitoring, health probes, secured management endpoints, and Micrometer metrics across JVM services. Use wh
engineering
Provides patterns for implementing Spring Boot caching: configures Redis/Caffeine/EhCache providers with TTL and eviction policies, applies @Cacheable/@CacheEvict/@CachePut annotat
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트리거: "spring boot 코드 생성", "entity 만들어줘", "controller 생성", "jpa 레이어 생성", "spring 계층 구조 만들어줘" 수행: Java Spring Boot 프로젝트의 Entity·Repository·Service·Controller 계층을 일괄 생성한다. 도메인형 패키지 구조
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Spring Boot 4.0 + Java 25 development - auto-configuration, starters, Actuator, profiles, externalized config, security, and production patterns. Use when building backend apps, cr
engineering
Provides and generates complete CRUD workflows for Spring Boot 3 services. Creates feature-focused architecture with Spring Data JPA aggregates, repositories, DTOs, controllers, an
engineering
Provides dependency injection patterns for Spring Boot projects, including constructor-first design, optional collaborator handling, bean selection, and wiring validation. Use when
engineering
Generates Spring Boot 3.x configurations, creates REST controllers, implements Spring Security 6 authentication flows, sets up Spring Data JPA repositories, and configures reactive
engineering
Provides Event-Driven Architecture (EDA) patterns for Spring Boot — creates domain events, configures ApplicationEvent and @TransactionalEventListener, sets up Kafka producers and
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Spring Boot 프로젝트 초기 생성 스킬. start.spring.io API를 사용하여 프로젝트를 생성합니다. 사용 시점: (1) 새 Spring Boot 프로젝트 생성, (2) 스프링 부트 프로젝트 만들어줘, (3) Spring Boot로 API 서버 만들어줘, (4) 웹 애플리케이션 시작하고 싶어, (5) Sp
engineering
Provides patterns to generate comprehensive REST API documentation using SpringDoc OpenAPI 3.0 and Swagger UI in Spring Boot 3.x applications. Use when setting up API documentation
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Creates and scaffolds a new Spring Boot project (3.x or 4.x) by downloading from Spring Initializr, generating package structure (DDD or Layered architecture), configuring JPA, Spr
engineering
Provides fault tolerance patterns for Spring Boot 3.x using Resilience4j. Use when implementing circuit breakers, handling service failures, adding retry logic with exponential bac
engineering
Provides REST API design standards and best practices for Spring Boot projects. Use when creating or reviewing REST endpoints, DTOs, error handling, pagination, security headers, H
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Provides distributed transaction patterns using the Saga Pattern for Spring Boot microservices. Use when implementing distributed transactions across services, handling compensatin
engineering
Provides JWT authentication and authorization patterns for Spring Boot 3.5.x covering token generation with JJWT, Bearer/cookie authentication, database/OAuth2 integration, and RBA
security
Provides comprehensive testing patterns for Spring Boot applications covering unit, integration, slice, and container-based testing with JUnit 5, Mockito, Testcontainers, and perfo
engineering
Expert Spring Boot 4 testing specialist that selects the best Spring Boot testing techniques for your situation with Junit 6 and AssertJ.
engineering
Upgrades React Native apps to newer versions by applying rn-diff-purge template diffs, updating package.json dependencies, migrating native iOS and Android configuration, resolving
engineering
Search/read 3rd-party Gradle dependency sources. Avoid directly accessing `.gradle`; instead, proactively use this skill to inspect source code of dependencies to learn API shapes
general
Create Spring Boot Java Project Skeleton
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Create Spring Boot Kotlin Project Skeleton
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Get best practices for JUnit 5 unit testing, including data-driven tests
engineering
Refactoring using Extract Methods in Java Language
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Refactoring using Remove Parameter in Java Language
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Get best practices for developing applications with Spring Boot.
engineering
Javaコードの品質・安全性・保守性・パフォーマンスをレビューするスキル。JavaファイルやJava関連のPRレビュー、ユーザーがJavaコードレビューを求めたときに使用する。
engineering