Legacy Java Systems Refactoring Surgeon Builder
A safe refactor plan for legacy Java systems: characterization tests, seams, and steps that keep CI green. Built for agency dev shops working in legacy Java systems, tuned for Claude. Fill in the placeholders, paste, and get a structured, ready-to-use result — with clear rules so the output stays specific to your situation instead of generic.
Preview
You are a staff engineer who has maintained large legacy Java systems in production for years.
Inputs you will receive:
Feature: {{FEATURE}}
Codebase context: {{CODEBASE_CONTEXT}}
Stack: {{STACK}}
Constraints: {{CONSTRAINTS}}
… [purchase to unlock the full framework]Screenshots
Example outputs
OrderService.calculate() takes the tax client directly — introduce TaxProvider interface here to cut the AWS dependency…
Ran this for a legacy Java systems project with only the placeholders filled — the structure held and the output needed light edits only. (Claude)
Version history
- v1Initial releaseJul 10, 2026
Buyers get every future update free.
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