Home / Use cases / Engineering / Refactoring
355 ways to get refactoring done with Claude Code, Codex, Cursor or Gemini CLI, ranked on usage. Filter by type below.
Dead code cleanup and consolidation specialist. Use PROACTIVELY for removing unused code, duplicates, and refactoring. Runs analysis tools (knip, depcheck, ts-prune) to identify dead code and safely…
Systematic code refactoring based on Martin Fowler's methodology. Use when users ask to refactor code, improve code structure, reduce technical debt, clean up legacy code, eliminate code smells, or…
Plan and execute safe refactoring using dependency analysis
Three-part workflow to improve overall codebase health with jscpd — find and fix duplicated code, find and remove or refactor dead code, then find and simplify the largest/most complex files. Starts…
Guided workflow to eliminate copy-paste duplication detected by jscpd. Refactor exact, renamed and near-miss clones using extract function, parameterize, module, constant, or base class strategies,…
Guided modernization for any legacy codebase: start with /modernize, get an assessment, an interactive map, the business rules mined from the code, and a plan you approve, then an upgrade, a rewrite…
Use when a user explicitly requests Sepia refactor for minimal in-place prose revision.
Scan for Animated/Reanimated code and migrate to EaseView
Apply Robert C. Martin-inspired clean code rules when improving readability, naming, function design, responsibilities, or testable everyday code.
Apply Refactoring.Guru-inspired rules when diagnosing code smells, choosing refactoring techniques, and stopping cleanup before uncontrolled redesign.
Write readable, maintainable code through disciplined naming, small functions, and clean error handling. Use when the user mentions "clean up this code", "this function is too long", "code smells",…
Code refactoring specialist for improving code quality, reducing technical debt, eliminating code smells, reducing complexity, and applying design patterns. Use PROACTIVELY when code needs…
Use this agent when you need to refactor existing code, rewrite a module for better maintainability, decompose a large file into focused sub-modules, eliminate duplication, improve type safety,…
Use this agent when you need a thorough code quality analysis and refactoring recommendations for specific files, directories, or an entire branch. This agent reads code deeply, questions every…
Use this agent when a significant refactoring has been completed and you need to verify that the changes are correct, consistent, and haven't introduced regressions. This includes verifying type…
Assess project-wide structural technical debt: complexity hotspots, deprecated API usage, duplication clusters, architecture rot, and low-value tests. Ranks findings by impact and refactor effort…
Safe refactoring workflow using trace-mcp — assess risk, find candidates, check impact, and rename symbols across all files without missing import sites or cross-file references.
Review generated or changed production code before it ships, using Clean Code, SOLID, DRY, KISS, YAGNI, and LLM-specific failure-mode checks in any programming language. Best used reactively after…
Use this agent when the user wants to modernize iOS code to iOS 17/18 patterns, migrate from ObservableObject to @Observable, update @StateObject to @State, or adopt modern SwiftUI APIs.
Clean Code principles (DRY, KISS, YAGNI), naming, function design and readability. Use when code is hard to read, with long methods, unclear names, duplication or deep nesting. For how…
Use when the user wants to rename, extract, split, move, or restructure code safely. Examples: \"Rename this function\", \"Extract this into a module\", \"Refactor this class\", \"Move this to a…
데드 코드·미사용 exports·의존성 제거, 중복 통합 전문. knip/depcheck/ts-prune 감지 → Grep 참조 검증 → 안전 제거. 피처 브랜치에서만 동작. Use proactively when "데드 코드", "미사용 코드", "정리해줘", "클린업", "리팩토링" 요청 시. 빌드 에러 수정은 build-error-resolver,…
Use when adding a new RR#### refactoring in roslynator, editing Refactorings.xml, registering in RefactoringContext, or when refactorings-testing.md shows XunitRefactoringVerifier — in-repo uses…
Use when obsoleting or retiring RCS####, RR####, or RCF#### in roslynator, replacing an analyzer with another id, or when tempted to use IsObsolete on an Analyzer entry — analyzers use Status…
Complete UI5 modernization toolkit with workflow and specialized fix patterns for modernizing SAPUI5/OpenUI5 applications.
Behavior-preserving refactoring specialist. Hotspot repayment, characterization-test safety nets, atomic refactor-only commits. Never changes observable behavior.
Code refactoring specialist focused on clean architecture, SOLID principles, and technical debt reduction. Use proactively for code quality improvements and architectural refactoring.
Безопасный рефакторинг маленькими шагами без изменения поведения. Используй, когда просят отрефакторить, упростить, разделить модуль, убрать дублирование или почистить код.
Document refactoring expert. Condense documents without losing information; use sequenceDiagram for flows.
Refactoring review expert. Evaluates refactoring risk and verifies behavior preservation.
Refactoring and dead-code cleanup specialist. Use for removing duplication, unused code, stale files, or simplifying implementations after behavior is protected.
Use when about to refactor or refine a user-level or project-level CLAUDE.md or AGENTS.md, from a full restructure down to a one-line wording fix; a change that looks too small to need this skill is…
Use when refactoring Claude Code or Codex memories to remove stale or derivable entries, resolve contradictions, promote standing instructions, or reorganize recall. Not for standalone CLAUDE.md,…
Use when about to refactor or refine an existing skill, its SKILL.md or sibling files, from a full restructure down to a one-line wording fix; a change that looks too small to need this skill is not…
Refactoring specialist for codebase modernization, structural improvements, and technical debt reduction. Use when the task involves reorganizing code, extracting abstractions, renaming for clarity,…
Safely refactors dbt models with downstream impact analysis. Use when restructuring dbt models for:
Safe, incremental, behavior-preserving refactoring validated by careful review. Use when improving code structure, reducing complexity, or paying down technical debt.
Plan and execute large refactor or rewrite efforts efficiently with parallel multi-agent analysis and implementation. Use when a user asks to refactor many files, split workstreams, analyze a target…
Perform bulk code refactoring operations like renaming variables/functions across files, replacing patterns, and updating API calls. Use when users request renaming identifiers, replacing deprecated…
Identify code smells and improvement opportunities
Refactor GRACE 4 governed code while keeping .grace graph, verification, change scopes, and file-local anchors synchronized.
Dedicated refactoring agent for code smell detection, safe transformation,
Use when writing, editing, reviewing, testing, planning, or refactoring code in any language or framework; creating files or deciding where code and folders belong; designing or changing module…
冗余代码清理与合并专家。主动用于移除未使用的代码、重复项并进行重构。运行分析工具（knip、depcheck、ts-prune）来识别冗余代码并安全地将其移除。
Expertise in Senior Principal Engineering refactoring. Use when you need to eliminate technical debt, remove "AI Slop," simplify complex logic, and ensure DRY code.
Plan vault restructuring from config changes. Compares config.yaml against derivation.md, identifies dimension shifts, shows restructuring plan, executes on approval. Triggers on "/refactor",…
死代码清理与合并专家。请主动用于移除未使用的代码、重复项及重构。运行分析工具 (knip, depcheck, ts-prune) 以识别死代码并安全移除。
Refactor bloated AGENTS.md, CLAUDE.md, or similar agent instruction files to follow progressive disclosure principles. Splits monolithic files into organized, linked documentation.
Orchestrates incremental refactoring of Rails codebases toward 37signals
Improves code structure while keeping all tests green during the TDD REFACTOR phase using proven refactoring patterns. Use proactively after tests pass to clean up implementation code. Use when…
SOLID principles, design patterns, DRY, KISS, and clean code fundamentals. Use when reviewing architecture, checking code quality, refactoring, or discussing design decisions. Triggers on "review…
Dead code removal, code cleanup, and safe modernization without behavioral changes
Coordinates safe, mechanical refactors across multiple repositories / services / packages — API renames, shared-library upgrades, breaking-schema transitions. Owns the expand-migrate-contract…
Refactor existing ABAP code to Clean ABAP style without changing behavior. Use when the user asks to refactor, clean up, modernize, or tidy ABAP code. Applies the rule set in ../CLAUDE.md in…
Large-scale safe refactoring: rename across many files, extract module, move files, restructure folders. Differs from fullstack-engineer by being more cautious, scoped, and verification-heavy. Use…
Execute refactoring tasks — reorganize files, extract components, update imports, fix patterns across the codebase. Use after a refactor-planner has created a plan.
Analyze code and create comprehensive refactoring plans with phases, risk assessment, and step-by-step strategy. Use BEFORE code-refactor-master executes.
Use this agent for safe code refactoring. Specializes in improving code structure
Guidelines for writing clean, maintainable, and human-readable code. Apply these rules when writing or reviewing code to ensure consistency and quality.
Simplification audit or authorized codebase simplification whose stated objective is to remove accidental complexity. Use for evidence-backed deletion or consolidation of dead code, duplicate state,…