Code Deduplication

by alinaqi

Code Deduplication is a Quality skill for Claude Code, published by alinaqi in maggy.

704 stars57 forkson alinaqi/maggyAdded 2026/08/23Repository updated 2026/08/18

View source on GitHub Download repo ZIP

ai-codingclaudeclaude-codedeveloper-toolsproject-initializationpythonreactsecuritytypescript

Install in seconds

Install Code Deduplication

Copy Code Deduplication into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/alinaqi/maggy/tree/main/skills/code-deduplication ~/.claude/skills/code-deduplication

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/alinaqi/maggy.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skills/code-deduplication/SKILL.md in alinaqi/maggy
Installs to: ~/.claude/skills/code-deduplication
Collection: One of 25 skills cataloged from this repository
Category: Quality — 1354 skills

What Code Deduplication does

Code Deduplication prevents semantic code duplication by checking a code index before adding new functions. It is used to reuse or extend existing capabilities and keep the codebase from growing redundant implementations.

Code Deduplication is cataloged under Quality on DirSkills. Code Deduplication comes from a repository tagged ai-coding, claude, claude-code, developer-tools and project-initialization.

Documentation

README

Excerpt

Code Deduplication Skill

Purpose: Prevent semantic duplication and code bloat. Maintain a capability index so Claude always knows what exists before writing something new.

Core Philosophy

This is the opening of the README. Read the full README on GitHub.

Commands Code Deduplication provides

Slash commands named in this skill’s SKILL.md, listed in the order they first appear.

/audit-duplicates
/update-code-index
/users

Frequently asked about Code Deduplication

What else does alinaqi publish alongside Code Deduplication?
Code Deduplication is one of 25 skills that DirSkills catalogs from alinaqi/maggy, the repository it ships in. Its siblings there include AI Engine Optimization, AI Models Reference and AWS Aurora. Each one is a separate skill with its own page in this directory, installs the same way Code Deduplication does, and is maintained by alinaqi in that same repository. The rest of the collection is listed on the alinaqi/maggy page.
How does Code Deduplication compare to other Quality skills?
Code Deduplication ranks #1044 by stars among the 1354 Quality skills in this catalog. The most-starred ones next to it are Benchmark, Benchmark Optimization Loop and API Design Patterns. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Code Deduplication against them. Open each page to compare what they document and how they install.