custom-plugin-java

📦 Install Now · 🤖 Explore Agents · 📖 Documentation · ⭐ Star this repo

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What is this?

Java Assistant is a Claude Code plugin with 8 agents and 12 skills for java development.

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📑 Table of Contents

• Quick Start
• Features
• Agents
• Skills
• Commands
• Documentation
• Contributing
• License

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🚀 Quick Start

Prerequisites

• Claude Code CLI v2.0.27+
• Active Claude subscription

Installation (Choose One)

# Step 1️⃣ Add the marketplace
/plugin marketplace add pluginagentmarketplace/custom-plugin-java

# Step 2️⃣ Install the plugin
/plugin install java-development-assistant@pluginagentmarketplace-java

# Step 3️⃣ Restart Claude Code
# Close and reopen your terminal/IDE

# Clone the repository
git clone https://github.com/pluginagentmarketplace/custom-plugin-java.git
cd custom-plugin-java

# Load locally
/plugin load .

# Restart Claude Code

✅ Verify Installation

After restart, you should see these agents:

java-development-assistant:01-java-fundamentals
java-development-assistant:02-java-advanced
java-development-assistant:03-java-spring
java-development-assistant:04-java-testing
java-development-assistant:05-java-build-tools
java-development-assistant:06-java-persistence
java-development-assistant:07-java-microservices
java-development-assistant:08-java-devops

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✨ Features

| Feature | Description | |---------|-------------| | 🤖 8 Agents | Production-grade AI agents with ReAct pattern | | 🛠️ 12 Skills | SASMP-compliant skills with Golden Format | | ⌨️ 4 Commands | Quick slash commands with validation | | 🔄 SASMP v1.3.0 | Full protocol compliance | | ✅ EQHM | Error handling, quality, and monitoring enabled |

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🤖 Agents

8 Production-Grade Agents

| # | Agent | Purpose | Primary Skill | |---|-------|---------|---------------| | 1 | 01-java-fundamentals | Java syntax, OOP, collections, streams | java-fundamentals | | 2 | 02-java-advanced | Concurrency, JVM internals, performance | java-concurrency | | 3 | 03-java-spring | Spring Boot, MVC, Security, Cloud | java-spring-boot | | 4 | 04-java-testing | JUnit 5, Mockito, integration testing | java-testing | | 5 | 05-java-build-tools | Maven, Gradle, CI/CD pipelines | java-maven-gradle | | 6 | 06-java-persistence | JPA, Hibernate, query optimization | java-jpa-hibernate | | 7 | 07-java-microservices | Spring Cloud, distributed systems | java-microservices | | 8 | 08-java-devops | Docker, Kubernetes, monitoring | java-docker |

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🛠️ Skills

12 SASMP-Compliant Skills

| Skill | Description | Bond Type | |-------|-------------|-----------| | java-fundamentals | Core Java syntax, OOP, collections, streams | PRIMARY | | java-concurrency | Threads, executors, CompletableFuture, virtual threads | PRIMARY | | java-spring-boot | Spring Boot REST APIs, Security, Data, Actuator | PRIMARY | | java-testing | JUnit 5, Mockito, integration testing, TDD | PRIMARY | | java-maven-gradle | Build configuration, dependencies, CI/CD | PRIMARY | | java-jpa-hibernate | Entity design, queries, transactions, caching | PRIMARY | | java-microservices | Spring Cloud, service mesh, event-driven patterns | PRIMARY | | java-docker | Dockerfile optimization, JVM settings, security | PRIMARY | | java-maven | Maven POM, lifecycle, plugins | SECONDARY | | java-gradle | Gradle Kotlin DSL, build optimization | SECONDARY | | java-performance | JVM tuning, GC, profiling, benchmarking | SECONDARY | | java-testing-advanced | Testcontainers, contract testing, mutation testing | SECONDARY |

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⌨️ Commands

| Command | Description | |---------|-------------| | /java-build | Build Java project with Maven or Gradle | | /java-new | Create a new Java project with Maven or Gradle | | /java-check | Check Java and build tool installation and configuration | | /java-debug | Debug Java applications and troubleshoot common issues |

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📚 Documentation

| Document | Description | |----------|-------------| | CHANGELOG.md | Version history | | CONTRIBUTING.md | How to contribute | | LICENSE | License information |

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📁 Project Structure

custom-plugin-java/
├── 📁 .claude-plugin/
│   ├── plugin.json
│   └── marketplace.json
├── 📁 agents/              # 8 agents
├── 📁 skills/              # 12 skills (Golden Format)
├── 📁 commands/            # 4 commands
├── 📁 hooks/
├── 📄 README.md
├── 📄 CHANGELOG.md
└── 📄 LICENSE

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📅 Metadata

| Field | Value | |-------|-------| | Version | 3.0.0 | | Last Updated | 2025-12-30 | | Status | Production Ready | | SASMP | v1.3.0 | | EQHM | Enabled | | Agents | 8 | | Skills | 12 | | Commands | 4 |

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🤝 Contributing

Contributions are welcome! Please read our Contributing Guide.

1. Fork the repository
2. Create your feature branch
3. Follow the Golden Format for new skills
4. Submit a pull request

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⚠️ Security

Important: This repository contains third-party code and dependencies.

• ✅ Always review code before using in production
• ✅ Check dependencies for known vulnerabilities
• ✅ Follow security best practices
• ✅ Report security issues privately via Issues

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📝 License

Copyright © 2025 Dr. Umit Kacar & Muhsin Elcicek

Custom License - See LICENSE for details.

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👥 Contributors

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Made with ❤️ for the Claude Code Community