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Clean Ddd Hexagonal

Checked
ccheney·vlatest·backend·MIT

This skill refactors code to a clean, hexagonal architecture for improved maintainability and testability in backend systems.

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 ccheney/robust-skills --skill clean-ddd-hexagonal -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

ccheney

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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

    Only contacts known or declared hosts: json-schema.org.

    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.

    Hosts contacted

    json-schema.orgstandards

  • No obfuscated payloads: passed

    No encoded or obfuscated payloads.

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  • No credential access: passed

    Reads no keys, tokens, keychains or credential files.

    Neither the code nor the SKILL.md instructions read SSH keys, cloud credentials, keychains, token stores, browser cookie databases or dotfiles that hold secrets.

  • No pipe-to-shell installers: passed

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    No `curl … | sh` pattern, in the code or in the instructions, that runs code fetched at run time.

  • Pinned to a commit: passed

    Scanned ccheney/robust-skills at 0eea7b060d.

    The exact upstream commit SHA that was scanned is recorded, so the result refers to specific bytes.

Commit
0eea7b060d
Manifest
skills/clean-ddd-hexagonal/SKILL.md
Scanned
8 files, 3,754 lines
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About this skill

What it does

The clean-ddd-hexagonal skill provides a structured approach to implementing Domain-Driven Design (DDD) with a hexagonal architecture. It helps organize code around business capabilities, decouples infrastructure from domain logic, and promotes testability by defining clear boundaries between layers.

When to use it

  • You're building a complex backend application that requires maintainable and scalable architecture.
  • You want to separate domain logic from external dependencies like databases or APIs.
  • Your team is adopting DDD principles and needs guidance on structuring the codebase.
  • You need to ensure your system can easily adapt to changing requirements without rewriting core functionality.

Key capabilities

  • Enforces separation of concerns through hexagonal architecture layers (domain, application, infrastructure).
  • Supports clean, testable domain models by isolating them from external systems.
  • Provides a template for organizing code in a DDD-compliant way.

Example prompts

  • "Generate a hexagonal architecture setup for a user management system using DDD."
  • "Create a new project structure following the clean-ddd-hexagonal pattern."
  • "Refactor my existing backend to use the hexagonal architecture and DDD principles."

Tips & gotchas

  • Ensure your team is familiar with DDD concepts before applying this skill, as it requires understanding of bounded contexts and domain models.
  • This skill assumes a certain level of project complexity; it may be overkill for simple applications.