deep-module-design SKILL.md skillA
deep-module-design from borghei/claude-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add borghei/claude-skills/deep-module-design@v1.0.0Pins v1.0.0 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- borghei/claude-skills
- Path
engineering/deep-module-design/SKILL.md- Versions recorded
- 1
- Latest version
- v1.0.0, committed Nov 8, 2026
- Size
- 13,576 bytes
- Repository stars
- 1,075
- License
- a license file GitHub does not identify
Design deep modules with small interfaces and rank shallow, pass-through or leaky code for deepening. Use when designing a module interface, improving codebase architecture, or making code easier to test.
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
# Deep Module Design Module-level design for code that is getting harder to change. A deep module gives callers a lot of behaviour behind a small interface; a shallow one makes them learn almost as much as it does. This skill measures where a codebase is shallow, ranks the places where deepening would pay back, writes the review, and then designs the replacement interface at least twice before anyone writes it. The goal: callers get a lot done through very little surface, a change stays inside one module, and tests exercise the same interface callers use. ## When to use this skill - **Designing a new module** and wanting its interface right before callers multiply - **"Improve the architecture of this codebase"** — find and rank deepening opportunities - **A change keeps touching five files** for one business rule - **Tests are brittle** because they reach past interfaces into internals - **Layers that only forward calls** — services that call repositories that call clients, each adding nothing - **Choosing between interface proposals** for the same module ## Inputs the skill expects - The code: a path to scan, or the module and its callers for a design task …
Read the whole file at its exact version.
How to install
mdr add borghei/claude-skills/deep-module-design@sha256:54927f5aaf58233eThe line at the top of this page pins the label v1.0.0, 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.
[](https://markdownregistry.com/a/art_whuy7ushtf7trsdx)
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Versions
The registry has recorded 1 version of this file, committed on Nov 8, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (13576 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
borghei/claude-skills · 1,075 stars · license a license file GitHub does not identify · pushed 2026-11-08 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_whuy7ushtf7trsdx GET https://markdownregistry.com/api/v1/resolve?ref=borghei/claude-skills/deep-module-design GET https://markdownregistry.com/api/v1/blob/54927f5aaf58233e5ee68a537009da3f4ad6e6a64ed7b9141e7f33ed10e1dc0b
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.