Code Simplifier

Code Simplifier is a Quality skill for Claude Code, published by rtk-ai in rtk.

75.9K stars4.8K forkson rtk-ai/rtkAdded 2026/08/13Repository updated 2026/08/13

agentic-codingai-codinganthropicclaude-codeclicommand-line-toolcost-reductiondeveloper-toolsllmopen-sourceproductivityrusttoken-optimization

Install in seconds

Install Code Simplifier

Copy Code Simplifier into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/rtk-ai/rtk/tree/develop/.claude/skills/code-simplifier ~/.claude/skills/code-simplifier

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/rtk-ai/rtk.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: .claude/skills/code-simplifier/SKILL.md in rtk-ai/rtk
Installs to: ~/.claude/skills/code-simplifier
Collection: One of 12 skills cataloged from this repository
Category: Quality — 1354 skills

What Code Simplifier does

Code Simplifier reviews Rust code for idiomatic simplification patterns, reducing over-engineering and unnecessary allocations without changing behavior. Use it to apply Rust idioms like iterator chains, early returns, and Option/Result chaining while respecting project constraints.

Code Simplifier is cataloged under Quality on DirSkills. Code Simplifier comes from a repository tagged agentic-coding, ai-coding, anthropic, claude-code and cli.

Documentation

README

Excerpt

RTK Code Simplifier

Review and simplify Rust code in RTK while respecting the project's constraints.

Constraints (never simplify away)

LazyLock regex — cannot be moved inside functions even if "simpler"
.context() on every ? — verbose but mandatory
Fallback to raw command — never remove even if it looks like dead code
Exit code propagation — never simplify to Ok(())
#[cfg(test)] mod tests — never remove test modules

Simplification Patterns

1. Iterator chains over manual loops

This is the opening of the README. Read the full README on GitHub.

Frequently asked about Code Simplifier

What else does rtk-ai publish alongside Code Simplifier?
Code Simplifier is one of 12 skills that DirSkills catalogs from rtk-ai/rtk, the repository it ships in. Its siblings there include Issue Triage, PR Review and PR Triage. Each one is a separate skill with its own page in this directory, installs the same way Code Simplifier does, and is maintained by rtk-ai in that same repository. The rest of the collection is listed on the rtk-ai/rtk page.
How does Code Simplifier compare to other Quality skills?
Code Simplifier ranks #33 by stars among the 1354 Quality skills in this catalog. The most-starred ones next to it are Benchmark, Benchmark Optimization Loop and API Design Patterns. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Code Simplifier against them. Open each page to compare what they document and how they install.