architecture-deepener SKILL.md skillA

architecture-deepener from andersonlimahw/lemon-ai-hub is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add andersonlimahw/lemon-ai-hub/architecture-deepener@git:20260716.8e0e966

Pins git:20260716.8e0e966 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
andersonlimahw/lemon-ai-hub
Path
plugins/architecture-deepener/SKILL.md
Versions recorded
1
Latest version
git:20260716.8e0e966, committed Jul 16, 2026
Size
9,881 bytes
Repository stars
17
License
MIT

Surface opportunities to deepen a codebase. Finds modules that are shallow (thin pass-throughs, anemic types, missing domain modeling) and proposes how to make them deep (rich domain types, co-located behavior, testable seams). Outputs a visual HTML report and then runs an interactive grilling loop that pressure-tests each opportunity. Use when the codebase feels "flat", domain logic leaks into controllers/UI, types carry no behavior, or AI agents struggle to navigate the module boundaries.…

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 Deepener

Turn shallow modules into deep ones. Make the codebase navigable for humans and AI agents alike.

Based on **improve-codebase-architecture** by Matt Pocock (https://github.com/mattpocock/skills).

## Core Idea: Shallow vs Deep Modules

A **shallow module** has a broad interface relative to the complexity it hides. It passes data through, delegates immediately, or carries no domain knowledge. It is a wiring artifact, not an abstraction.

A **deep module** has a narrow interface over a large implementation. It hides a hard decision behind a small surface, co-locates behavior with the data it owns, and gives callers something meaningful to say.

```
SHALLOW                          DEEP
┌──────────────────────┐         ┌──────────┐
│ interface (wide)     │         │ interface│
│  - validate()        │         │  - run() │
│  - transform()       │         └────┬─────┘
│  - persist()         │              │
│  - notify()          │              ▼
└──────────────────────┘         ┌──────────┐
  implementation (thin)          │ complex  │
  - return this.repo.save(x)     │ impl that│
                                 │ truly    │
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add andersonlimahw/lemon-ai-hub/architecture-deepener@sha256:5ddd30bcbb88770b

The line at the top of this page pins the label git:20260716.8e0e966, 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_bukqcsge37awn32i.svg)](https://markdownregistry.com/a/art_bukqcsge37awn32i)

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

Versions

The registry has recorded 1 version of this file, committed on Jul 16, 2026.

versioncommittedcommitsizeaudit
git:20260716.8e0e966 latest2026-07-16 8e0e966 9,881 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 (9881 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

andersonlimahw/lemon-ai-hub · 17 stars · license MIT · pushed 2026-10-16 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_bukqcsge37awn32i
GET https://markdownregistry.com/api/v1/resolve?ref=andersonlimahw/lemon-ai-hub/architecture-deepener
GET https://markdownregistry.com/api/v1/blob/5ddd30bcbb88770bf5804529812c6cf422ad1e96d65a66c01ac90d04bbcf906a

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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