architecture-patterns SKILL.md skillA

architecture-patterns from sebastiendegodez/skraft-plugin is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add sebastiendegodez/skraft-plugin/architecture-patterns@git:20261009.6009e76

Pins git:20261009.6009e76 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
sebastiendegodez/skraft-plugin
Path
plugins/skraft-framework/skills/architecture-patterns/SKILL.md
Versions recorded
4
Latest version
git:20261009.6009e76, committed Oct 9, 2026
First version recorded
Aug 6, 2026
Size
24,070 bytes
Repository stars
12
License
GPL-3.0

Use when selecting architecture patterns for a new feature, performing Event Modeling, defining bounded contexts, choosing DDD tactical patterns, evaluating pattern fitness, or understanding how patterns compose. Covers Event Modeling methodology, DDD strategic design, DDD tactical patterns, Clean Architecture, CQRS, and Event Sourcing.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Architecture Patterns

## Overview

A catalogue of architectural patterns used in Clean Architecture + DDD + Event-Driven systems.

**Core principle:** Patterns are tools — select based on problem, not preference. Every pattern added to a design must be justified by a story or a quality attribute requirement. YAGNI applies to architecture.

The patterns in this skill compose in a specific order: Event Modeling → DDD Strategic → DDD Tactical → Clean Architecture → CQRS, with Event Sourcing applied at the Domain/Infrastructure boundary when history has value.

---

## Event Modeling

BDD-first methodology to model system behaviour as a timeline of events. It is the starting point for every DESIGN session.

### Core Concepts

| Concept | Definition | Example |
|---|---|---|
| **Command** | An expression of user or system intent. Imperative mood. May be rejected. | `CheckEligibility`, `SubmitApplication` |
| **Event** | An immutable fact that records a state change. Past tense. Cannot be rejected. | `EligibilityChecked`, `ApplicationSubmitted` |
| **Read Model** | A query output optimised for a specific view. No mutation. | `EligibilityResult`, `ApplicationSummary` |
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add sebastiendegodez/skraft-plugin/architecture-patterns@sha256:e2757eafe25af985

The line at the top of this page pins the label git:20261009.6009e76, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_n5ma36fl7e6brlj3.svg)](https://markdownregistry.com/a/art_n5ma36fl7e6brlj3)

3 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 4 versions of this file, between Aug 6, 2026 and Oct 9, 2026, about one every 21 days.

versioncommittedcommitsizeaudit
git:20261009.6009e76 latest2026-10-09 6009e76 24,070 BA view · diff
git:20261006.a7b018f2026-10-06 a7b018f 23,773 BA view · diff
git:20261002.062ef0e2026-10-02 062ef0e 23,632 BA view · diff
git:20260806.b506b652026-08-06 b506b65 23,480 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (24070 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

sebastiendegodez/skraft-plugin · 12 stars · license GPL-3.0 · pushed 2026-10-21 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_n5ma36fl7e6brlj3
GET https://markdownregistry.com/api/v1/resolve?ref=sebastiendegodez/skraft-plugin/architecture-patterns
GET https://markdownregistry.com/api/v1/blob/e2757eafe25af9856458538479e3cd5677e7b2a1a27a6eb08b885211f537d342

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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