# Ddd Strategic Design

> Design DDD strategic artifacts including subdomains, bounded contexts, and ubiquitous language for complex business domains.

- Skill: `rootcastleco/ddd-strategic-design` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds add rootcastleco/ddd-strategic-design`
- Raw SKILL.md: https://api.skillmd.com/api/skills/rootcastleco/ddd-strategic-design/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: rootcastleco (https://skillmd.com/u/rootcastleco)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/rootcastleco/ddd-strategic-design

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# DDD Strategic Design

## Use this skill when

- Defining core, supporting, and generic subdomains.
- Splitting a monolith or service landscape by domain boundaries.
- Aligning teams and ownership with bounded contexts.
- Building a shared ubiquitous language with domain experts.

## Do not use this skill when

- The domain model is stable and already well bounded.
- You need tactical code patterns only.
- The task is purely infrastructure or UI oriented.

## Instructions

1. Extract domain capabilities and classify subdomains.
2. Define bounded contexts around consistency and ownership.
3. Establish a ubiquitous language glossary and anti-terms.
4. Capture context boundaries in ADRs before implementation.

If detailed templates are needed, open `references/strategic-design-template.md`.

## Required artifacts

- Subdomain classification table
- Bounded context catalog
- Glossary with canonical terms
- Boundary decisions with rationale

## Examples

```text
Use @ddd-strategic-design to map our commerce domain into bounded contexts,
classify subdomains, and propose team ownership.
```

## Limitations

- This skill does not produce executable code.
- It cannot infer business truth without stakeholder input.
- It should be followed by tactical design before implementation.

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> Engineering Beyond Boundaries | admin@rootcastle.com