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hexagonal-architecture

hexagonal-architecture is a skill for Claude Code from agentpatterns/craft. It costs 60 tokens per session (1,131 once invoked), scanned A, original, no licence file.

Guidance for hexagonal architecture, a way to keep an application's core rules separate from outside systems such as databases, user interfaces, and APIs.

In plain words
What is it for?
Designing application structure, separating domain logic from infrastructure, and creating boundaries that support testing.
Why use it?
It makes the core easier to test and reduces the effect of infrastructure changes on application logic.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Part of the crafter plugin — 11 skills, 5 agents shipped together

not rated 5repo 7mo ago A scan 60 tokens no licence

Good fit Designing application structure, separating domain logic from infrastructure, and creating boundaries that support testing.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/agentpatterns/craft/hexagonal-architecture
View source ↗ agentpatterns/craft
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add agentpatterns/craft --skill hexagonal-architecture
Clone the repo
git clone --depth 1 https://github.com/agentpatterns/craft

Made for: Claude Code.

Or install crafter, the plugin that ships this one along with the rest of its 11 skills, 5 agents.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for hexagonal-architecture

README.md
[![agentmods](https://agentmods.dev/badge/skills/agentpatterns/craft/hexagonal-architecture/github.svg)](https://agentmods.dev/skills/agentpatterns/craft/hexagonal-architecture)
Your own site
<a href="https://agentmods.dev/skills/agentpatterns/craft/hexagonal-architecture"><img src="https://agentmods.dev/badge/skills/agentpatterns/craft/hexagonal-architecture/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for hexagonal-architecture

Your own site · 80×15
<a href="https://agentmods.dev/skills/agentpatterns/craft/hexagonal-architecture"><img src="https://agentmods.dev/badge/skills/agentpatterns/craft/hexagonal-architecture.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 60 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,131 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00060 $0.01131
Opus 5.5 $0.00024 $0.00452
Sonnet 5.5 $0.00012 $0.00226
Haiku 4.5 $0.00006 $0.00113

Measured 2mo ago against content hash e3c1bb383772, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

hexagonal-architecture scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/crafter/skills/hexagonal-architecture/SKILL.md · 111 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2mo ago First seen · 111 lines · 60 tokens per session scan A e3c1bb383772

Subscribe to this mod's changes

hexagonal-architecture is a skill published in the GitHub repository agentpatterns/craft (5 stars, last pushed 7mo ago), with no licence file. It adds 60 tokens to every session and 1,131 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Backend and APIs
Related

hexagonal-architecture compared with skills from other repositories

hexagonal-architecture next to 6 skills from other repositories
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hexagonal-architectureagentpatterns/craftSkill57mo agononeA60Claude Code
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api-designericrisco/rsc-harnessSkill5293d agoMITA105Claude Code, Codex
migrate-segw-to-raparc-mcp/arc-1Skill253todayMITA106Claude Code
telnyx-messaging-hosted-curlteam-telnyx/aiSkill224todayMITA45Claude Code