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Hexagonal Architecture Layers Java

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gentleman-programming·vlatest·backend·MIT

Generates Java code implementing hexagonal architecture layers for robust, testable backend applications using gentleman programming principles.

Repository

Install on your platform

Showing Claude Code. One command installs this skill into any of the agents below.

  1. 1

    Run this in your project

    terminal
    $ npx skills add gentleman-programming/gentleman-skills --skill hexagonal-architecture-layers-java -a claude-code

  2. Uses the open-source skills CLI and needs Node.js. Add -g to install it for your user instead of this project.

What we know about this skill

Publisher

gentleman-programming

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Install target

Live repository

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No human has reviewed this code. The checks below are a static scan of the files at one commit — nobody has run this skill or judged whether it works. A skill runs with whatever access you give your agent, so read the source before you install it.

Automated safety checks

scanned

This skill passed all 6 checks. We read its files at one commit and looked for the things that make a skill dangerous to run — not for whether it works.

  • Declares what it does: passed

    SKILL.md parses and declares a name and a description.

    SKILL.md exists, its frontmatter parses, and it declares a name and a description.

  • No undeclared network calls: passed

    Makes no network calls.

    Every host the skill dials — from its scripts, its config endpoints or the commands it tells the agent to run — is either well-known package and API infrastructure or declared in its own frontmatter. Links in documentation are not counted.

  • No obfuscated payloads: passed

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  • No credential access: passed

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  • Pinned to a commit: passed

    Scanned gentleman-programming/gentleman-skills at c8036a3789.

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Commit
c8036a3789
Manifest
community/hexagonal-architecture-layers-java/SKILL.md
Scanned
1 file, 153 lines
This is a static scan, not a review. It reads the skill's files; it does not run them, and it cannot tell you whether the skill is any good or whether the code does what its description says. A skill runs with whatever access you give your agent.
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About this skill

What it does

This skill enables AI agents to generate Java code following the Hexagonal Architecture pattern, also known as Ports and Adapters. It structures applications by isolating business logic behind ports while delegating external interactions like databases or user interfaces to adapters.

When to use it

  • Building enterprise-grade Java applications requiring high testability and loose coupling.
  • Creating systems where business rules must remain independent of infrastructure frameworks.
  • Developing microservices that need clear boundaries between core logic and external dependencies.
  • Refactoring legacy monolithic codebases into modular, maintainable architectures.

Key capabilities

  • Generates domain entities and use cases free from framework dependencies.
  • Creates interface definitions (ports) for input and output operations.
  • Implements concrete adapters for database access, messaging systems, and UI layers.
  • Structures projects to separate core business logic from external concerns.

Example prompts

  • "Create a Java service for processing payments using Hexagonal Architecture with an in-memory adapter."
  • "Generate the port and adapter interfaces for integrating a REST API into a domain-driven application."
  • "Design a repository interface and its JPA implementation for a user management system following Ports and Adapters."

Tips & gotchas

Ensure your AI agent understands that core business logic must never import framework classes directly. Start by defining the ports (interfaces) before implementing any adapters to maintain architectural integrity.