code-simplifier
Skill141 starsChanged 24 days agoMITView on GitHub
Simplifies and refines code for clarity, consistency, and maintainability while preserving all functionality. Use when asked to "simplify code", "clean up code", "refactor for clarity", "improve readability", or review recently modified code for elegance. Focuses on project-specific best practices.
59 other projects use a version of this, 27 of them edited.
Adopted by
Most recently taken up by
- euxx/claude-skills-for-copilotedited, first seen Nov 8, 2026
- aktsmm/Agent-Skillsedited, first seen Nov 8, 2026
- ValorVie/custom-skillstheir own version, first seen Nov 8, 2026
- ZhouYinLong-lab/Dog-Skillstheir own version, first seen Nov 8, 2026
- simonwong/skillsedited, first seen Nov 6, 2026
- islandhopper81/claude-skillstheir own version, first seen Nov 1, 2026
Used with
Projects with it also use tdd-rust, type-design-analyzer and 9 more.
Other files people use alongside this one.
Files found in the same public projects as a version of this one, more often than they turn up anywhere else. Each project counts once, large collections count for less, and this file's own repository is left out.
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SentrySkillfind-bugs
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- +1 more from PaulKinlan
Other versions59 projects use a version of this.
Word for word · 0
None found.
Edited · 27
- tisfeng/Easydict★ 15k15% same
- getsentry/skills★ 1.1k96% same
- deadlock-mod-manager/deadlock-mod-manager★ 58496% same
- keep-starknet-strange/starkzap★ 10813% same
- PaulKinlan/Co-do★ 7821% same
- zvadaadam/az-skills★ 5073% same
- roman01la/skills-agents★ 4896% same
- fanqingxuan/awesome-skills★ 2847% same
- aktsmm/Agent-Skills★ 2618% same
- icefrag/nbl★ 1765% same
17 more not listed
Wrote their own version · 32
- rtk-ai/rtk★ 86ksame name
- elie222/inbox-zero★ 13ksame name
- Azure/azqr★ 799same name
- DoubleML/doubleml-for-py★ 798same name
- microsoft/ghqr★ 528same name
- feiskyer/codex-settings★ 248same name
- wesm/middleman★ 198same name
- OpenHands/extensions★ 167same name
- FlorianBruniaux/ccboard★ 94same name
- 1024XEngineer/bytemind★ 43same name
22 more not listed
How matches are found. Word for word: the exact same text. Edited: shares passages with this file (“99% same” means 99% of its five-word phrases also appear here; 10% or more counts). Their own version: similar meaning, or, weakest, the same name. We can’t tell which project had it first. Projects are counted among the 200 most-starred candidates, and mentions are links to the repository we found, up to 50 per site, so both counts are a floor.
In this repository17 other files it gives its agents.
- AGENTS.mdAGENTS.md
- .github/copilot-instructions.mdCopilot instructions
- iterate-prSkill
- openspec-apply-changeSkill
- openspec-archive-changeSkill
- openspec-bulk-archive-changeSkill
- openspec-continue-changeSkill
- openspec-exploreSkill
- openspec-ff-changeSkill
- openspec-new-changeSkill
- openspec-onboardSkill
- openspec-proposeSkill
- openspec-sync-specsSkill
- openspec-verify-changeSkill
- tasklessSkill
- worktrees-pnpmSkill
- tasklessSkill
The file
Show its rules and text
We split this skill into the rules it gives an agent
13 rules. 0 are common, 13 are distinctive, and 0 are very specific to this project.
0
Common
Most of the 54 edited versions we read keep these.
13
Distinctive
This author's own choices. Worth a look.
0
Very specific
Tied to their project's names, files or tools. Probably skip.
- Common
- Distinctive
- Very specific
- Distinctive: line 19
Never change what the code does - only how it does it.
- Distinctive: line 23
Follow the established coding standards from AGENTS.md including:
- Distinctive: line 25
Use ES modules with proper import sorting and extensions
- Distinctive: line 26
Use explicit return type annotations for top-level functions
- Distinctive: line 27
Follow proper React component patterns with explicit Props types
- Distinctive: line 28
Use proper error handling patterns (avoid try/catch unless it represents a true exception)
- Distinctive: line 40
Avoiding nested ternary operators: - prefer switch statements or if/else chains for multiple conditions
- Distinctive: line 45
Avoid over-simplification that could:
- Distinctive: line 48
Create overly clever solutions that are hard to understand
- Distinctive: line 50
Remove helpful abstractions that improve code organization
- Distinctive: line 56
Only refine code that has been recently modified or touched in the current session, unless explicitly instructed to review a broader scope.
- Distinctive: line 63
Ensure: all functionality remains unchanged
- Distinctive: line 65
Document: only significant changes that affect understanding
“Common” is measured: kept by at least 6 in 10 of the 54 edited versions of this file we could read. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.
Files
<!--
Based on Anthropic's code-simplifier agent:
https://github.com/anthropics/claude-plugins-official/blob/main/plugins/code-simplifier/agents/code-simplifier.md
-->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 AGENTS.md including:
- Use ES modules with proper import sorting and extensions
- 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 unless it represents a true exception)
- 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
5. Focus Scope
Only refine code that has been recently modified or touched in the current session, unless explicitly instructed to review a broader scope.
Refinement Process
- Identify the recently modified code sections
- Analyze for opportunities to improve elegance and consistency
- Apply project-specific best practices and coding standards
- Ensure all functionality remains unchanged
- Verify the refined code is simpler and more maintainable
- Document only significant changes that affect understanding
Examples
Before: Nested Ternaries
const status = isLoading
? "loading"
: hasError
? "error"
: isComplete
? "complete"
: "idle";After: Clear Switch Statement
function getStatus(
isLoading: boolean,
hasError: boolean,
isComplete: boolean
): string {
if (isLoading) return "loading";
if (hasError) return "error";
if (isComplete) return "complete";
return "idle";
}Before: Overly Compact
const result = arr
.filter((x) => x > 0)
.map((x) => x * 2)
.reduce((a, b) => a + b, 0);After: Clear Steps
const positiveNumbers = arr.filter((x) => x > 0);
const doubled = positiveNumbers.map((x) => x * 2);
const sum = doubled.reduce((a, b) => a + b, 0);Before: Redundant Abstraction
function isNotEmpty(arr: unknown[]): boolean {
return arr.length > 0;
}
if (isNotEmpty(items)) {
// ...
}After: Direct Check
if (items.length > 0) {
// ...
}Does it work?
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