Dry Principle Skill

dry-principle

This rule enforces the Don't Repeat Yourself principle to avoid code duplication and improve maintainability.

oimiragieo/agent-studio·0installs43stars

SKILL.md

Full skill instructions

Dry Principle Skill

<identity> You are a coding standards expert specializing in dry principle. You help developers write better code by applying established guidelines and best practices. </identity> <capabilities> - Review code for guideline compliance - Suggest improvements based on best practices - Explain why certain patterns are preferred - Help refactor code to meet standards </capabilities> <instructions> When reviewing or writing code, apply these guidelines:

Follow the DRY (Don't Repeat Yourself) Principle and Avoid Duplicating Code or Logic.
Avoid writing the same code more than once. Instead, reuse your code using functions, classes, modules, libraries, or other abstractions.
Modify code in one place if you need to change or update it. </instructions>

<examples> Example usage: ``` User: "Review this code for dry principle compliance" Agent: [Analyzes code against guidelines and provides specific feedback] ``` </examples>

Iron Laws

NEVER extract to a shared abstraction until you have at least 3 concrete instances of the same logic — premature extraction creates wrong abstractions that are harder to remove than the original duplication.
ALWAYS maintain a single source of truth for configuration values — the same constant or config value defined in two places will diverge and cause bugs.
NEVER apply DRY to coincidentally similar code that serves different purposes — coupling unrelated concepts through shared abstractions creates cascading change requirements.
ALWAYS prefer readability over DRY when the abstraction requires indirection that obscures what the code does — a small amount of duplication is often better than an obscure helper.
NEVER use copy-paste as a first resort for new similar functionality — always check whether an existing abstraction can be extended or parameterized first.

Anti-Patterns

Anti-Pattern	Why It Fails	Correct Approach
Extracting on the second occurrence (Rule of Two)	Two instances may be coincidentally similar; wrong abstraction is worse than duplication	Wait for the third occurrence before extracting; use the Rule of Three
Coupling unrelated concepts through shared helpers	Changes to one domain break the other; creates unexpected dependencies	Only extract when the shared logic genuinely represents the same domain concept
Over-abstracting to eliminate all apparent duplication	Creates complex indirection that requires reading 3 files to understand 1 operation	Prefer 3 readable duplicate lines over 1 inscrutable abstraction
Same constant defined in multiple configuration files	Values diverge silently; one-off changes cause hard-to-trace bugs	Single config module or environment variable; import everywhere
DRY applied to test code (reducing fixture duplication)	Test setup that's too DRY becomes hard to read in isolation	Tests should be self-contained; some duplication in test setup is acceptable

Memory Protocol (MANDATORY)

Before starting:

cat .claude/context/memory/learnings.md

After completing: Record any new patterns or exceptions discovered.

ASSUME INTERRUPTION: Your context may reset. If it's not in memory, it didn't happen.

Install skill

Copy and run in your terminal

npx -y skills add https://github.com/oimiragieo/agent-studio --skill dry-principle

View on GitHub

.claude/skills/dry-principle/SKILL.md

diagram-generator
Generates architecture, database, and system diagrams using Mermaid syntax. Creates visual representations of system architecture, database schemas, component relationships, data flows, and standalone HTML exports.
126 installs
python-backend-expert
Python backend expert including Django, FastAPI, Flask, SQLAlchemy, and async patterns
1 installs
assimilate
Benchmark external agent frameworks, auto-detect source type, scan for prompt injection, and convert findings into a concrete TDD upgrade backlog for agent-studio evolution.
0 installs
dask
Distributed computing for larger-than-RAM pandas/NumPy workflows. Use when you need to scale existing pandas/NumPy code beyond memory or across clusters. Best for parallel file processing, distributed ML, integration with existing pandas code. For out-of-core analytics on single machine use vaex;...
0 installs

More skills from oimiragieo

oimiragieo/agent-studio

cloud-devops-expert

Cloud and DevOps expert including AWS, GCP, Azure, and Terraform

43 0

View

oimiragieo/agent-studio

xlsx

Spreadsheet toolkit (.xlsx/.csv). Create/edit with formulas/formatting, analyze data, visualization, recalculate formulas, for spreadsheet processing and analysis.

43 0

View

oimiragieo/agent-studio

project-analyzer

Automated brownfield codebase analysis with weighted keyword scoring, three-stream analysis, and design pattern recognition. Detects project type, frameworks, dependencies, architecture patterns, and generates comprehensive project profile.

43 0

View

oimiragieo/agent-studio

readme

Use when creating, updating, or generating README and documentation files for projects and libraries

43 0

View

oimiragieo/agent-studio

scientific-writing

Core skill for the deep research and writing tool. Write scientific manuscripts in full paragraphs (never bullet points). Use two-stage process with (1) section outlines with key points using research-lookup then (2) convert to flowing prose. IMRAD structure, citations (APA/AMA/Vancouver), figure...

43 0

View

oimiragieo/agent-studio

android-expert

Comprehensive Android development expert covering Jetpack Compose, Kotlin coroutines/Flow, Architecture Components, Hilt DI, Navigation, testing, performance, Material Design 3, and modern Android patterns (MVI, Clean Architecture).

43 0

View

oimiragieo/agent-studio

biorxiv-database

Efficient database search tool for bioRxiv preprint server. Use this skill when searching for life sciences preprints by keywords, authors, date ranges, or categories, retrieving paper metadata, downloading PDFs, or conducting literature reviews.

43 0

View

oimiragieo/agent-studio

omega-gemini-cli

Use when the user wants to use Google Gemini for analysis, large files or codebases, sandbox execution, or brainstorming. Uses headless Gemini CLI scripts (no MCP). Triggers on "use Gemini", "analyze with Gemini", "large file", "sandbox", "brainstorm with Gemini".

43 0

View

oimiragieo/agent-studio

gtars

High-performance toolkit for genomic interval analysis in Rust with Python bindings. Use when working with genomic regions, BED files, coverage tracks, overlap detection, tokenization for ML models, or fragment analysis in computational genomics and machine learning applications.

43 0

View

oimiragieo/agent-studio

service-class-conventions

Defines the structure and implementation of service classes, enforcing the use of interfaces, ServiceImpl classes, DTOs for data transfer, and transactional management.

43 0

View

oimiragieo/agent-studio

diffdock

Diffusion-based molecular docking. Predict protein-ligand binding poses from PDB/SMILES, confidence scores, virtual screening, for structure-based drug design. Not for affinity prediction.

43 0

View

oimiragieo/agent-studio