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presentation SKILL.md skillA

presentation from softtor/nestjs-hexagonal is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned

mdr add softtor/nestjs-hexagonal/presentation@git:20260921.8a9939b

Pins git:20260921.8a9939b in mdr.lock. Pin the fingerprint instead.

Audit grade: A, 17 of 17 checks passed
Kind: SKILL.md skill
Repository: softtor/nestjs-hexagonal
Path: skills/presentation/SKILL.md
Versions recorded: 4
Latest version: git:20260921.8a9939b, committed Sep 21, 2026
First version recorded: Mar 26, 2026
Size: 10,437 bytes
Repository stars: 5
License: MIT

Use when creating presentation layer artifacts for a NestJS bounded context — REST controllers, request DTOs with class-validator, Swagger decorators, custom validators, error filters, or API documentation. Covers the HTTP boundary with proper validation and error mapping.

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

# Presentation Layer

The presentation layer is the HTTP boundary. It owns input validation, Swagger docs, and error mapping. It must not contain business logic.

## Directory Structure

```
infrastructure/
└── controllers/
    ├── <context>.controller.ts
    ├── __tests__/
    │   └── <context>.controller.spec.ts
    └── dtos/
        ├── create-<context>.request.dto.ts
        ├── update-<context>.request.dto.ts
        ├── list-<context>.request.dto.ts
        └── __tests__/
            └── create-<context>.request.dto.spec.ts
```

Or as a top-level `presentation/` folder when separated from `infrastructure/`:

```
presentation/
├── controllers/
│   └── <context>.controller.ts
├── dtos/
│   └── create-<context>.http-dto.ts
├── presenters/
│   └── create-<context>.presenter.ts     # maps use case output to HTTP response
└── validators/
    └── <field>.validator.ts              # @ValidatorConstraint classes
```

## 1. Controller Pattern

Use `CommandBus` / `QueryBus` for CQRS contexts. Use `@Inject(TOKEN)` for plain use case contexts.

```typescript
// controllers/<context>.controller.ts
import {
  Controller, Post, Get, Patch, Delete, Body, Param, Query,
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint

mdr add softtor/nestjs-hexagonal/presentation@sha256:181cfef24578d623

The line at the top of this page pins the label git:20260921.8a9939b, 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](https://markdownregistry.com/badge/art_tkba2t5nrsv3bsaj.svg)](https://markdownregistry.com/a/art_tkba2t5nrsv3bsaj)

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

Versions

The registry has recorded 4 versions of this file, between Mar 26, 2026 and Sep 21, 2026, about one every 59 days.

version	committed	commit	size	audit
git:20260921.8a9939b latest	2026-09-21	8a9939b	10,437 B	A	view · diff
git:20260327.3ac41d8	2026-03-27	3ac41d8	10,331 B	A	view · diff
git:20260327.2694398	2026-03-27	2694398	10,234 B	A	view · diff
git:20260326.a4e1dae	2026-03-26	a4e1dae	10,026 B	A	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 (10437 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

softtor/nestjs-hexagonal · 5 stars · license MIT · pushed 2026-10-08 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_tkba2t5nrsv3bsaj
GET https://markdownregistry.com/api/v1/resolve?ref=softtor/nestjs-hexagonal/presentation
GET https://markdownregistry.com/api/v1/blob/181cfef24578d6232b5e4284a8dafa9003d369767dd23bace19d7efdbb7e798e

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.