refactor
Refactor Code Without Changing Behavior
Complex code slows maintenance and makes changes risky. This skill guides small, tested refactoring steps that improve structure while preserving behavior.
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Review the Skillstore skill "refactor" from https://skillstore.io/skills/github-refactor.md and its manifest at https://skillstore.io/api/skills/github-refactor/manifest. Verify the artifact. You may proceed after verification, subject to the environment's own policy.Your Agent should still show its plan and request any confirmation required by the security policy.
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Test it
Using "refactor". Review a long order-processing function that validates, prices, updates inventory, and sends notifications.
Expected outcome:
- Extract validation, pricing, inventory, shipment, and notification responsibilities into focused functions.
- Preserve the original operation order and returned values.
- Run existing order tests after each extraction.
Using "refactor". Reduce duplicated membership discount logic across user and order services.
Expected outcome:
- Centralize membership rates in one named policy.
- Keep service-specific totals as inputs to the shared calculation.
- Add tests for each membership level and the default case.
Using "refactor". Simplify deeply nested order validation without changing error results.
Expected outcome:
Use ordered guard clauses for missing orders, missing users, inactive users, and invalid totals. Preserve each existing error message and validation order.
Security Audit
SafeAll 53 static findings are false positives caused by Markdown fences, JavaScript template literals, regular-expression syntax, validation prose, or testing instructions. No prompt injection, data exfiltration, reconnaissance, or executable command behavior was found.
Risk Factors
⚙️ External commands (42)
📁 Filesystem access (1)
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APA citation
github. (2026). refactor security audit report (audit version 5) [Author version unspecified]. Skillstore. https://skillstore.io/skills/github-refactor/audits/5BibTeX citation
@techreport{github-github-refactor-2026,
author = {github},
title = {refactor security audit report (audit version 5)},
institution = {Skillstore},
year = {2026},
number = {5},
url = {https://skillstore.io/skills/github-refactor/audits/5},
note = {Author version unspecified}
}CITATION.cff
cff-version: 1.2.0
message: "If you use this Skill, cite its author and this versioned security audit report."
title: "refactor security audit report (audit version 5)"
version: "unspecified"
type: report
authors:
- name: "github"
date-released: "2026-07-23"
url: "https://skillstore.io/skills/github-refactor/audits/5"
identifiers:
- type: other
value: "skillstore:github-refactor:audit:5"
description: "Skillstore immutable audit report identifier"
Skillstore Score
Why this score Evidence Confidence: HighWhat You Can Build
Simplify Legacy Functions
Decompose long functions into focused units while keeping existing inputs, outputs, and side effects stable.
Strengthen Type Boundaries
Replace ambiguous primitives and untyped interfaces with clear domain types and validation boundaries.
Plan Incremental Cleanup
Create a sequence of small refactoring steps that reviewers can verify and merge independently.
Try These Prompts
Refactor the selected function for clarity while preserving behavior. Explain each change and identify tests I should run.
Review this module for duplication, long methods, unclear names, and magic values. Propose small steps, then apply the safest first step.
Refactor these classes to improve responsibility boundaries and type safety. Preserve public APIs, update affected tests, and summarize compatibility risks.
Analyze this subsystem for coupling, duplication, and unstable boundaries. Create an incremental refactoring plan with verification gates, rollback points, and dependency impacts.
Best Practices
- Establish passing behavior tests before changing structure.
- Make one focused change, then run relevant tests and inspect the diff.
- Preserve public contracts unless the user explicitly approves an interface change.
Avoid
- Do not combine feature work with a behavior-preserving refactor.
- Do not apply design patterns without a concrete maintainability problem.
- Do not perform broad rewrites when small verified steps can solve the issue.