Skill

plan-reduce-max-lines

This skill should be used when reducing the maximum class/module lines threshold and fixing all violations. It updates the RuboCop configuration, identifies classes and modules exceeding the new limit, generates a brief with refactoring strategies, and creates a plan with tasks to split oversized files.

Install

npx claudepluginhub codyswanngt/lisa --plugin lisa-rails

Tool Access

This skill is limited to using the following tools:

ReadBashGlobGrep

Preview

Target threshold: $ARGUMENTS lines per class/module

SKILL.md

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Stats

Parent Repo Stars1

Parent Repo Forks2

Last CommitMar 5, 2026

Actions

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plan-reduce-max-lines

Reduce Max Lines

Target threshold: $ARGUMENTS lines per class/module

If no argument provided, prompt the user for a target.

Step 1: Gather Requirements

Read current config from .rubocop.yml or .rubocop.local.yml (Metrics/ClassLength and Metrics/ModuleLength)

Run RuboCop with the target threshold to find violations:

bundle exec rubocop --only Metrics/ClassLength,Metrics/ModuleLength --format json 2>&1

Note for each violation:

File path
Class/module name
Current line count

If no violations at $ARGUMENTS, report success and exit.

Step 2: Compile Brief and Delegate

Compile the gathered information into a structured brief:

Reduce max class/module lines threshold to $ARGUMENTS. Classes/modules exceeding threshold (ordered by line count): 1. [file:ClassName] - [current] lines (target: $ARGUMENTS) 2. ... Configuration change: .rubocop.local.yml, Metrics/ClassLength Max to $ARGUMENTS, Metrics/ModuleLength Max to $ARGUMENTS Refactoring strategies: extract concerns, extract service objects, remove duplication, delete dead code, simplify logic Verification: `bundle exec rubocop --only Metrics/ClassLength,Metrics/ModuleLength --format simple 2>&1 | grep "offense" | wc -l` -> Expected: 0

Invoke /plan-execute with this brief to create the implementation plan.

Reduce Max Lines

Target threshold: $ARGUMENTS lines per class/module

If no argument provided, prompt the user for a target.

Step 1: Gather Requirements

Read current config from .rubocop.yml or .rubocop.local.yml (Metrics/ClassLength and Metrics/ModuleLength)

Run RuboCop with the target threshold to find violations:

bundle exec rubocop --only Metrics/ClassLength,Metrics/ModuleLength --format json 2>&1

Note for each violation:
- File path
- Class/module name
- Current line count

If no violations at $ARGUMENTS, report success and exit.

Step 2: Compile Brief and Delegate

Compile the gathered information into a structured brief:

Reduce max class/module lines threshold to $ARGUMENTS.

Classes/modules exceeding threshold (ordered by line count):
1. [file:ClassName] - [current] lines (target: $ARGUMENTS)
2. ...

Configuration change: .rubocop.local.yml, Metrics/ClassLength Max to $ARGUMENTS, Metrics/ModuleLength Max to $ARGUMENTS

Refactoring strategies: extract concerns, extract service objects, remove duplication, delete dead code, simplify logic

Verification: `bundle exec rubocop --only Metrics/ClassLength,Metrics/ModuleLength --format simple 2>&1 | grep "offense" | wc -l` -> Expected: 0

Invoke /plan-execute with this brief to create the implementation plan.