finding-duplicate-functions

Use when auditing a codebase for semantic duplication - functions that do the same thing but have different names or implementations. Especially useful for LLM-generated codebases where new functions are often created rather than reusing existing ones.

2.00x

Quality

87%

Does it follow best practices?

Impact

98%

2.00x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Evaluation results

100%

80%

Duplicate Function Audit for Growing TypeScript Codebase

Full pipeline script usage and model selection

Criteria

Without context

With context

Extract script used

100%

Catalog output flag

100%

Haiku for categorization

100%

Categorize not skipped

100%

Prepare-category script used

100%

3+ threshold applied

100%

Opus for duplicate detection

100%

Per-category detection

100%

Generate-report script used

100%

Pipeline order documented

60%

100%

38%

Categorize and Prepare Functions for Duplicate Analysis

Categorization phase with 3+ function threshold

Criteria

Without context

With context

Haiku model selected

100%

Opus NOT used for categorization

100%

categorized.json created

100%

Correct categorized format

100%

Purpose field present

100%

All functions categorized

100%

Category split performed

100%

3+ threshold enforced

100%

Eligible categories get files

100%

Single category per function

100%

95%

30%

Detect Duplicate Functions and Produce Consolidation Report

Per-category duplicate detection and report generation

Criteria

Without context

With context

Opus for detection

100%

Haiku NOT used for detection

100%

Per-category dispatching

100%

Per-category output paths

100%

generate-report.sh invoked

100%

Report file correct name

100%

HIGH confidence prioritized

100%

Verify tests before consolidating

100%

66%

Update callers step

100%

Delete duplicates step

100%

Run tests after consolidation

100%

Repository: obra/superpowers-lab
Commit: 59389b1

Evaluated: about 2 months ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Duplicate Function Audit for Growing TypeScript Codebase Categorize and Prepare Functions for Duplicate Analysis Detect Duplicate Functions and Produce Consolidation Report

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