jscpd

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

jscpd is ranked #1 of 22 in code Clone Detection Tools on Inferse. It runs on API, Linux, macOS, Self-hosted, Windows. There is a free plan.

Compared on code Clone Detection Tools

Clone detection method: tokenjscpd.dev
Scan scope: repositoryjscpd.dev
CI integration: Yesjscpd.dev
Self-hosted option: Yesjscpd.dev

Facts

Purpose: jscpd scans source code for duplicate code and can fail a build when duplication exceeds a configured threshold.jscpd.dev · 29 Sept 2026
Languages: The site says jscpd supports 224 languages.jscpd.dev · 29 Sept 2026
Clone types: It detects exact clones by default and offers opt-in detection for renamed, near-miss, and semantic clones; semantic detection is described as experimental.jscpd.dev · 29 Sept 2026
Native binary: The v5 release is a self-contained native binary that does not require a Node.js runtime.jscpd.dev · 29 Sept 2026
Install platforms: Direct binaries are listed for macOS, Linux, and Windows, including x64 and ARM64 variants.jscpd.dev · 29 Sept 2026
Reports: Reporters include HTML, JSON, XML, README badges, SARIF, CodeClimate, and OpenMetrics formats.jscpd.dev · 29 Sept 2026
CI integrations: The GitHub Action scans repositories, enforces a threshold, and uploads SARIF for GitHub Code Scanning; the site also documents GitLab CI reporters.jscpd.dev · 29 Sept 2026
Developer workflow: It can run in pre-commit hooks through the pre-commit framework, Husky, or a shell hook.jscpd.dev · 29 Sept 2026
AI integrations: A built-in MCP server lets Claude, Cursor, or another MCP client check code for clones, and the project provides agent skills.jscpd.dev · 29 Sept 2026
Codebase analysis: The dashboard summarizes project size, duplication, complexity, dead code, and a health score in one run.jscpd.dev · 29 Sept 2026
Dead-code limits: The dashboard documentation says dead-code analysis covers JavaScript, TypeScript, and Python, plus Rust when compiler diagnostics are supplied.jscpd.dev · 29 Sept 2026
Local use: The site describes a CLI-first tool for laptops and CI/CD, and provides Docker installation.jscpd.dev · 29 Sept 2026
Maker: The site credits Andrey Kucherenko and contributors; it does not state a headquarters or founding year in the pages opened.jscpd.dev · 29 Sept 2026