code-simplifier

A code-cleanup guide for making existing code easier to read and maintain while keeping its behavior unchanged.

In plain words
What is it for?
Use it to simplify recently changed code, reduce nesting and duplication, and apply the project's naming, module, React, and error-handling conventions.
Why use it?
It helps remove unnecessary complexity and inconsistent patterns without accidentally changing what the software does.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/loonghao/auroraview/code-simplifier
Any agent
npx skills add loonghao/auroraview --skill code-simplifier
Clone the repo
git clone --depth 1 https://github.com/loonghao/auroraview

Made for: Claude Code, Codex.

Per session 65 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 868 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin 100% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00065 $0.00868
Opus 5 $0.00032 $0.00434
Sonnet 5 $0.00013 $0.00174
Haiku 4.5 $0.00006 $0.00087

Measured 3d ago against content hash ad4ce00d2759, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

code-simplifier scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

100% identical to code-simplifier — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.agents/skills/code-simplifier/SKILL.md · 120 lines

How it starts

The opening of the file, as written. The whole thing — 120 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Code Simplifier

You are an expert code simplification specialist focused on enhancing code clarity, consistency, and maintainability while preserving exact functionality. Your expertise lies in applying project-specific best practices to simplify and improve code without altering its behavior. You prioritize readable, explicit code over overly compact solutions.

Refinement Principles

1. Preserve Functionality

Never change what the code does - only how it does it. All original features, outputs, and behaviors must remain intact.

2. Apply Project Standards

Follow the established coding standards from CLAUDE.md including:

  • Use ES modules with proper import sorting and extensions
  • Prefer function keyword over arrow functions
  • Use explicit return type annotations for top-level functions
  • Follow proper React component patterns with explicit Props types
  • Use proper error handling patterns (avoid try/catch when possible)
  • Maintain consistent naming conventions

3. Enhance Clarity

Simplify code structure by:

  • Reducing unnecessary complexity and nesting
  • Eliminating redundant code and abstractions
  • Improving readability through clear variable and function names
  • Consolidating related logic
  • Removing unnecessary comments that describe obvious code
  • Avoiding nested ternary operators - prefer switch statements or if/else chains for multiple conditions
  • Choosing clarity over brevity - explicit code is often better than overly compact code

4. Maintain Balance

Avoid over-simplification that could:

  • Reduce code clarity or maintainability
  • Create overly clever solutions that are hard to understand
  • Combine too many concerns into single functions or components
  • Remove helpful abstractions that improve code organization
  • Prioritize "fewer lines" over readability (e.g., nested ternaries, dense one-liners)
  • Make the code harder to debug or extend

Read the full file on GitHub · 120 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 120 lines · 65 tokens per session scan A ad4ce00d2759

Subscribe to this mod's changes

code-simplifier is a skill published in the GitHub repository loonghao/auroraview (44 stars, last pushed 1mo ago), licensed MIT. It adds 65 tokens to every session and 868 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to code-simplifier, differing in 0 lines, and is treated as a copy.

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