claudeindex
Marketplace

cc-useful

Practical skills for Claude Code — critical feedback evaluation and backend-to-frontend integration document generation

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Plugins

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Installation

1

Add the marketplace

/plugin marketplace add jhleee/cc-useful
2

Install plugins

/plugin

Run these commands in Claude Code to add this plugin to your environment. The marketplace must be added before you can install its plugins.

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1

Plugins

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Skills

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Agents

Last Crawled

March 15, 2026

Plugins

Plugin

cc-useful

A collection of practical skills for Claude Code — critical feedback evaluation (비판적수용) and backend-to-frontend integration document generation.