Agent skill

refactoring-assistant

Suggest and guide application of refactoring patterns to improve code quality

Stars 514
Forks 31

Install this agent skill to your Project

npx add-skill https://github.com/a5c-ai/babysitter/tree/main/library/specializations/code-migration-modernization/skills/refactoring-assistant

SKILL.md

Refactoring Assistant Skill

Suggests appropriate refactoring patterns and guides their application to improve code quality, maintainability, and migration readiness.

Purpose

Enable guided refactoring for:

  • Code quality improvement
  • Design pattern application
  • Migration preparation
  • Technical debt reduction
  • Maintainability enhancement

Capabilities

1. Extract Method/Class Suggestions

  • Identify extraction candidates
  • Suggest method boundaries
  • Recommend class decomposition
  • Guide interface extraction

2. Move Method Recommendations

  • Detect misplaced methods
  • Suggest target classes
  • Analyze dependencies
  • Guide safe relocation

3. Rename Refactoring

  • Suggest meaningful names
  • Propagate renames safely
  • Handle cross-references
  • Update documentation

4. Inline Refactoring

  • Identify inline candidates
  • Remove unnecessary indirection
  • Simplify call chains
  • Reduce complexity

5. Pull Up/Push Down Member

  • Analyze inheritance hierarchies
  • Suggest member movement
  • Optimize class hierarchies
  • Improve polymorphism

6. Design Pattern Application

  • Recognize pattern opportunities
  • Guide pattern implementation
  • Suggest appropriate patterns
  • Validate pattern application

Tool Integrations

Tool Purpose Integration Method
IDE Refactoring Automated refactoring CLI / API
Sourcery AI-powered suggestions CLI
Sourcegraph Cody Code intelligence API
IntelliJ IDEA Java refactoring CLI
VS Code Multi-language Extension API

Output Schema

json
{
  "analysisId": "string",
  "timestamp": "ISO8601",
  "suggestions": [
    {
      "type": "extract-method|move-method|rename|inline|design-pattern",
      "priority": "high|medium|low",
      "target": {
        "file": "string",
        "element": "string",
        "line": "number"
      },
      "description": "string",
      "rationale": "string",
      "steps": ["string"],
      "estimatedImpact": {
        "complexity": "string",
        "maintainability": "string",
        "testability": "string"
      },
      "risks": ["string"]
    }
  ],
  "patterns": {
    "applicable": ["string"],
    "opportunities": []
  }
}

Integration with Migration Processes

  • code-refactoring: Primary refactoring guidance
  • technical-debt-remediation: Debt reduction strategies

Related Skills

  • code-smell-detector: Identifies refactoring needs
  • codemod-executor: Automates refactorings

Related Agents

  • code-transformation-executor: Executes suggested refactorings

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