Agent skill · software engineering · sundial-org
refactor-assist
Get refactoring suggestions with colored diffs. Use when improving code quality.
Why this skill is useful
Adds specific refactoring suggestions and automated code improvement commands that the AI wouldn't generate on its own.
What it needs
Requires openai account access. About 1k tokens when loaded. Last updated 2026-03-07. 639 stars on the source repository.
What this skill does
Refactor Assistant Code review yourself before anyone else does. Point this at a file and get specific refactoring suggestions with diffs. One command. Zero config. Just works. Quick Start What It Does Analyzes code for improvement opportunities Shows colored diffs for suggested changes Focuses on readability and patterns Can apply changes automatically Usage Examples Best Practices Review before applying - verify suggestions make sense Commit first - have a clean state to diff against Focus on one thing - don't refactor everything at once Run tests after - make sure nothing broke When to Use This Code review prep Cleaning up old code Learning better patterns Technical debt sprints Part of the LXGIC Dev Toolkit This is one of 110+ free developer tools built by LXGIC Studios. No paywalls, no sign-ups, no API keys on free tiers. Just tools that work. Find more: GitHub: https://github.com/LXGIC-Studios Twitter: https://x.com/lxgicstudios Substack: https://lxgicstudios.substack.com Website: https://lxgicstudios.com Requirements No install needed. Just run with npx. Node.js 18+ recommended. Needs OPENAIAPIKEY environment variable. How It Works Reads your file, sends it to GPT-4o-mini for analysis, and shows refactoring suggestions as diffs. Looks at readability, duplication, modern patterns, performance, and type safety. License MIT. Free forever. Use it however you want. --- Built by LXGIC Studios GitHub: github.com/lxgicstudios/refactor-suggest Twitter: @lxgicstudios
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills sundial-org/refactor-assist