RE19 Auto-Refactor

Apply the RE19 Auto-Refactor transformation to systematically improve system structure without changing external behavior.

What is RE19?

RE19 (Auto-Refactor) Systematically improve system structure without changing external behavior.

When to Use RE19

Ideal Situations

• Iterate toward a better solution using feedback loops
• Refine a process through repeated cycles
• Scale a pattern through repetition and standardization

Trigger Questions

• "How can we use Auto-Refactor here?"
• "What changes if we apply RE19 to this iterating a workflow over several cycles?"
• "Which assumptions does RE19 help us surface?"

The RE19 Process

Step 1: Define the focus

// Using RE19 (Auto-Refactor) - Establish the focus
const focus = "Systematically improve system structure without changing external behavior";

Step 2: Apply the model

// Using RE19 (Auto-Refactor) - Apply the transformation
const output = applyModel("RE19", focus);

Step 3: Synthesize outcomes

// Using RE19 (Auto-Refactor) - Capture insights and decisions
const insights = summarize(output);

Practical Example

// Using RE19 (Auto-Refactor) - Example in a iterating a workflow over several cycles
const result = applyModel("RE19", "Systematically improve system structure without changing external behavior" );

Integration with Other Transformations

• RE19 -> CO5: Pair with CO5 when sequencing matters.
• RE19 -> SY8: Use SY8 to validate or stress-test.
• RE19 -> IN3: Apply IN3 to compose the output.

Implementation Checklist

• Identify the context that requires RE19
• Apply the model using explicit RE19 references
• Document assumptions and outputs
• Confirm alignment with stakeholders or owners

Common Pitfalls

• Treating the model as a checklist instead of a lens
• Skipping documentation of assumptions or rationale
• Over-applying the model without validating impact

Best Practices

• Use explicit RE19 references in comments and docs
• Keep the output focused and actionable
• Combine with adjacent transformations when needed

Measurement and Success

• Clearer decisions and fewer unresolved assumptions
• Faster alignment across stakeholders
• Reusable artifacts for future iterations

Installation and Usage

Nix Installation

{
  programs.moltbot.plugins = [
    { source = "github:hummbl-dev/hummbl-agent?dir=skills/RE-recursion/re19-auto-refactor"; }
  ];
}

Manual Installation

moltbot-registry install hummbl-agent/re19-auto-refactor

Usage with Commands

/apply-transformation RE19 "Systematically improve system structure without changing external behavior"

Apply RE19 to create repeatable, explicit mental model reasoning.