Does this skill change the external behavior of my code?

No, the Code Simplifier is specifically constrained to preserve all external behavior and public API signatures while only improving internal structure and readability.

Can I target specific files for simplification?

Yes, the skill is designed to target the smallest set of relevant files, typically focusing on unstaged changes or the most recent commit to ensure a focused review process.

How does it handle security and untrusted code?

The skill includes strict safety protocols that treat all code and comments as untrusted data, ensuring it never follows instructions embedded within the source files themselves.

How does this differ from the built-in /simplify command?

While the built-in /simplify uses parallel review agents, this skill is a specialized subagent often integrated into the /code-quality workflow for targeted structural cleanup.

When is the best time to invoke the Code Simplifier?

It is most effective after code-quality checks (like linting and tests) have passed, acting as a final polish to remove technical debt and simplify complex branching.

Code Simplifier

Name: Code Simplifier
Author: s-hiraoku

bys-hiraoku

0•

生産性とワークフロー

Refines and simplifies source code to improve clarity and maintainability by removing redundancy and flattening complex logic.

The Code Simplifier skill is a specialized subagent designed to clean up technical debt and improve code readability after initial implementation. It focuses on recently modified files to eliminate dead code, extract duplicated logic into reusable helpers, and simplify nested branching using early returns and guard clauses. By prioritizing structural integrity and naming clarity, it ensures that your codebase remains maintainable while strictly preserving existing external behavior and keeping public APIs stable.

主な機能

01Type narrowing to replace generic types with specific definitions

020 GitHub stars

03Context-aware naming improvements for variables and functions

04Automated dead code and unused import removal

05Logic deduplication via helper function extraction

06Branching simplification through early returns and flattened if/else structures

ユースケース

01Reducing cyclomatic complexity in legacy modules during maintenance tasks

02Cleaning up code generated by automated migrations or rapid prototyping

03Refining complex logic in a feature branch before submitting a pull request

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add s-hiraoku/synapse-a2a code-simplifier

For use in Claude.ai and ChatGPT

Download Skill