klh-code-simplifier

klh-code-simplifier is a skill for Claude Code, Codex from klh/speedy-claude. It costs 67 tokens per session (1,077 once invoked), scanned A, a copy of code-simplifier, MIT.

A code-refactoring workflow that improves clarity, consistency, and maintainability while preserving the existing behavior. Refactoring changes how code is organized without changing what it does.

In plain words
What is it for?
It helps simplify recently changed code, improve readability, and make targeted cleanup changes without removing functionality.
Why use it?
Hard-to-read or inconsistent code is more difficult to maintain and easier to change incorrectly. This focuses cleanup on the project's existing conventions.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions CLAUDE.md.

Good fit It helps simplify recently changed code, improve readability, and make targeted cleanup changes without removing functionality.

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Install with agentmods
npx agentmods add skills/klh/speedy-claude/klh-code-simplifier
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.

Any agent
npx skills add klh/speedy-claude --skill klh-code-simplifier
Clone the repo
git clone --depth 1 https://github.com/klh/speedy-claude

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for klh-code-simplifier

README.md
[![agentmods](https://agentmods.dev/badge/skills/klh/speedy-claude/klh-code-simplifier/github.svg)](https://agentmods.dev/skills/klh/speedy-claude/klh-code-simplifier)
Your own site
<a href="https://agentmods.dev/skills/klh/speedy-claude/klh-code-simplifier"><img src="https://agentmods.dev/badge/skills/klh/speedy-claude/klh-code-simplifier/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for klh-code-simplifier

Your own site · 80×15
<a href="https://agentmods.dev/skills/klh/speedy-claude/klh-code-simplifier"><img src="https://agentmods.dev/badge/skills/klh/speedy-claude/klh-code-simplifier.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 67 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,077 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 86% 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 5.1 $0.00067 $0.01077
Opus 5 $0.00034 $0.00539
Sonnet 5 $0.00013 $0.00215
Haiku 4.5 $0.00007 $0.00108

Measured 8d ago against content hash 426e85090443, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

klh-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 8d 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

86% identical to code-simplifier — 50 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.

skills/klh-code-simplifier/SKILL.md · 150 lines

How it starts

The opening of the file, as written. The whole thing — 150 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Code Simplifier

Part of klh/skills — personal agent skills by Klaus L. Hougesen. Install: npx skills add klh/skills --skill klh-code-simplifier

Overview

Simplifies and refines code for clarity, consistency, and maintainability while preserving all functionality. Focuses on project-specific best practices.

When to Use

  • When asked to "simplify code", "clean up code", "refactor for clarity", or "improve readability"
  • When reviewing recently modified code for elegance

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

Read the full file on GitHub · 150 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 8d ago First seen · 150 lines · 67 tokens per session scan A 426e85090443

Subscribe to this mod's changes

klh-code-simplifier is a skill published in the GitHub repository klh/speedy-claude (11 stars, last pushed 2d ago), licensed MIT. It adds 67 tokens to every session and 1,077 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. It is 86% identical to code-simplifier, differing in 50 lines, and is treated as a copy.