# Hexagonal Architecture

> Domain / Application / Infrastructure layers — ports, adapters, the dependency rule, and how layers map to spec types and test strategies. L1+ reference rulebook.

## Facts
- Page: https://tashan.sh/capability/skill-bryonjacob-hexagonal-architecture
- tashan id: skill:bryonjacob/hexagonal-architecture
- Source: https://github.com/bryonjacob/ffflow
- Type: skill
- Category: devtools
- tashan score: not scored (catalogued only — too little public evidence)
- Adoption: 17.0
- Upkeep: 62.0
- Freshness: 94.0
- Evidence coverage: 84% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- License: Apache-2.0
- Official: no

## Install

```sh
cp -r hexagonal-architecture ~/.claude/skills/
```

## Security audit
Not scanned. We audit npm-published capabilities; this one has no npm package we can resolve, or has not reached the queue. This is not a clean bill of health.

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Measured 2026-09-13 by tashan (https://tashan.sh) from public evidence. Scorer s5.