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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, microservices architecture, and comprehensive enterprise integration patterns.

Use when building enterprise Java applications with Spring Boot 3.x, microservices, or reactive programming. Invoke for WebFlux, JPA optimization, Spring Security, cloud-native patterns.

java-best-practices-refactor-legacy

Use when Java concurrency with ExecutorService, CompletableFuture, and virtual threads. Use when building concurrent applications.

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Interactive wizard for creating Java components with standards compliance

java-ddd-hexagonal

Containerize Java applications - Dockerfile optimization, JVM settings, security

Enforce CUI logging standards by validating LogRecord usage, testing coverage, and identifier organization

Execute systematic logging standards maintenance with plan tracking and comprehensive test coverage

Java code maintenance standards including prioritization, refactoring triggers, and compliance verification

JSpecify null safety annotations with @NullMarked, @Nullable, and package-level configuration

Systematic Quarkus native image optimization with reflection registration and performance improvements

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 package structures. Automatically scans directories for Java packages and creates Javadoc package documentation files where they don't exist.

java-spring-service

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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 mocking strategies, assertions, test builders, or JUnit 5 best practices. Requires JUnit 5, AssertJ, and Mockito dependencies.

Build, review, and refactor Java backend services (Spring Boot). Use for tasks like REST API design, controllers/services/repositories, PostgreSQL persistence (JPA/MyBatis), migrations, configuration, security (Spring Security), observability, testing, performance tuning, and production hardening.

JavaDoc documentation standards including class, method, and code example patterns

Use when building JavaScript applications with modern ES2023+ features, frameworks, and best practices.

Write modern, performant Ember.js applications following Ember Octane conventions and current best practices.

Expert-level JavaScript development with modern ES2024+ features, Node.js, npm ecosystem, and best practices

30 pragmatic rules for production JavaScript covering async operations, V8 optimization, memory management, testing, error handling, and performance. Use when writing JavaScript, optimizing performance, handling promises, or building production-grade applications. Includes promise rejection handling, V8 hidden classes, memory leak prevention, and structured testing patterns.

Expert JavaScript developer specializing in modern ES2023+ features, Node.js runtime environments, and asynchronous programming patterns. This agent excels at writing clean, performant JavaScript code using the latest language features, optimizing runtime performance, and implementing scalable backend solutions with Node.js or Bun.

Instructions for refactoring JavaScript code into separate files

JavaScript and TypeScript coding standards, conventions, and best practices. Use when writing, reviewing, or testing JS/TS code.

Write and run JavaScript/TypeScript tests using Vitest or Jest with mocking, component testing, and coverage. Use when writing JS/TS tests, testing Svelte/React components, or setting up test configuration.

Writing high-quality unit tests for JavaScript and TypeScript using Jest. Covers test structure (AAA pattern, USE naming), breaking dependencies (stubs, mocks, dependency injection), testing async code (promises, callbacks, timers), avoiding flaky tests, and test-driven development. Use when writing tests, debugging test failures, refactoring tests for maintainability, or questions about Jest, TDD, mocks, stubs, or test best practices.

Java Backend Coding Technology skill for designing, implementing, and reviewing functional Java backend code. Use when working with Result, Option, Promise types, value objects, use cases, or when asked about JBCT patterns, monadic composition, parse-don't-validate, structural patterns (Leaf, Sequencer, Fork-Join), or functional Java backend architecture.

Analyzes legacy JCL (Job Control Language) scripts to assist with migration to modern workflow orchestration and batch processing systems. Extracts job flows, step sequences, data dependencies, conditional logic, and program invocations. Generates migration reports and creates implementation strategies for Spring Batch, Apache Airflow, or shell scripts. Use when working with mainframe job migration, JCL analysis, batch workflow modernization, or when users mention JCL conversion, analyzing .jcl/.JCL files, working with job steps, procedures, or planning workflow orchestration from JCL jobs.

JD 분석 및 맞춤형 지원서 작성이 필요할 때

Specialized agent for generating high-quality articles and blog posts using jekyll-TeXt-theme, with expertise in software verification and validation. Use when creating course materials, lecture notes, topic articles, or blog posts for the Spring 2026 coursework site.

Generate a complete, production-ready Jekyll theme designed for researchers who work in public. The theme prioritizes accessibility, elegant typography, and scientific workflows with Tufte-style siden

Generate Jenkins pipeline files with declarative or scripted syntax.

Build Jenkins declarative and scripted pipelines with stages, agents, parameters, and plugins. Implement multi-branch pipelines and deployment automation.

Write JavaScript/TypeScript tests with Jest including unit tests, mocking, snapshots, and coverage. Test React components, async code, and Node.js. Use for JavaScript testing, React testing, or test automation.

Jest testing patterns, anti-patterns, and quality rules

Comprehensive React component testing with Jest and React Testing Library covering configuration, mocking strategies, async testing patterns, hooks testing, and integration testing best practices

Scaffolds Jest unit tests for React components and hooks. Use when creating tests for frontend components.

Use when jest testing patterns including unit tests, mocks, spies, snapshots, and assertion techniques for comprehensive test coverage.

Tests JavaScript and TypeScript applications with Jest test runner including mocking, snapshot testing, and code coverage. Use when setting up testing, writing unit tests, or when user mentions Jest, test runner, or JavaScript testing.

Use when JetBrains MCP tools are available (mcp__jetbrains__*) - enforces IDE-native workflow with problem checking after file completion, and smart refactoring tools instead of grep/sed

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.

Expert assistant for Juju charm development using jhack utilities. Use when debugging charms, inspecting relations, syncing code, replaying events, testing scenarios, or performing rapid development iterations. Keywords include jhack, Juju debugging, charm testing, relation inspection, event replay, sync, tail, fire, show-relation, show-stored.

使用jimeng-mcp-server进行AI图像和视频生成。当用户请求从文本生成图像、合成多张图片、从文本描述创建视频或为静态图像添加动画时使用此技能。支持四大核心能力：文生图、图像合成、文生视频、图生视频。需要jimeng-mcp-server在本地运行或通过SSE/HTTP访问。

Complete Jira Cloud REST API documentation for v2 and v3 endpoints. Use when working with Jira APIs, making Jira API calls, troubleshooting Jira integrations, or needing endpoint details. DO NOT use for general Jira usage questions or Jira web UI help.

jira-api