# Jscpd (agent skill)

> Jscpd is an agent skill (a SKILL.md file) from kucherenko/jscpd. Copy-paste detector for 220+ languages. Detect exact, renamed and near-miss duplicated code, measure duplication percentages, and find refactoring hotspots with the codebase summary. It works with Claude Code and has 6,346 GitHub stars across a repository of 3 listed skills.

Copy-paste detector for 220+ languages. Detect exact, renamed and near-miss duplicated code, measure duplication percentages, and find refactoring hotspots with the codebase summary. Copy-paste detector for programming source code, supports 220+ languages. Use this skill to run jscpd and understand its output.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/kucherenko/jscpd |
| Skill path | skills/jscpd/SKILL.md |
| Skill name | jscpd |
| GitHub stars | 6,346 |
| Installs on skills.sh | not listed |
| License | MIT |
| Skills in repo | 3 |
| Plugin marketplace | no |
| Official | no |
| Works with | Claude Code |
| Category | Docs & writing |
| Last commit | Oct 7, 2026 |

## Add this skill

### Claude Code

```sh
git clone --depth 1 https://github.com/kucherenko/jscpd.git
cp -r jscpd/skills/jscpd ~/.claude/skills/jscpd   # personal, or .claude/skills in a project
```

In the Claude apps, zip the skill folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

### ChatGPT / Codex

```sh
git clone --depth 1 https://github.com/kucherenko/jscpd.git
cp -r jscpd/skills/jscpd .agents/skills/jscpd   # repo; ~/.agents/skills for all projects
```

### Cursor

```sh
git clone --depth 1 https://github.com/kucherenko/jscpd.git
cp -r jscpd/skills/jscpd .cursor/skills/jscpd   # project; ~/.cursor/skills for all projects
```

Sources (checked 2026-10-07): https://code.claude.com/docs/en/skills, https://support.claude.com/en/articles/12512180-using-skills-in-claude, https://learn.chatgpt.com/docs/build-skills, https://cursor.com/docs/context/skills

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Canonical page: https://appsgit.com/skills/kucherenko-jscpd
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