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brew install jscpdlocal Homebrew formula metadata
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Install jscpd with Homebrew
Copy/paste detector for programming source code. Version 5.0.11 via Homebrew; verified 2026-06-20.
install
Additional install commands
overview
Package summary
Copy/paste detector for programming source code
Project links
Commands and aliases
- jscpd
history
Project history and usage
jscpd is a copy/paste detector for source code. It scans files for duplicated token sequences, reports clones in multiple formats, and is used as a code-quality gate in local development and CI.
Project history
The GitHub repository was created in May 2013, and the npm package history begins in June 2013. The name originally stood for JavaScript Copy/Paste Detector, but the project expanded well beyond JavaScript into a broad multi-language duplicate-code scanner.
The README describes the detection engine as Rabin-Karp based. By 2026 the project documentation described support for more than 220 formats, multiple reporters, GitHub Action integration, an MCP server, AI-oriented reporter output, and a Rust-powered v5 engine.
Adoption history
jscpd gained adoption as a lightweight alternative to heavier static-analysis suites for teams that wanted to fail builds or generate reports when duplication crossed a threshold. The npm package had a long 0.x to 4.x TypeScript/Node.js history before the 5.x Rust-native release line appeared in June 2026.
Homebrew packages jscpd as a CLI, npm distributes it for JavaScript toolchains, and the project site promotes curl, npm, cargo, brew, and nix installation paths. That multi-channel distribution matches its role as a language-agnostic source-code utility.
How it is used
Developers run jscpd against a repository or source directory, tune thresholds and ignore patterns through configuration such as .jscpd.json, and consume terminal, JSON, HTML, badge, CI, or AI-oriented reports.
Why package nerds care
jscpd is notable because duplicate-code detection sits between linting, static analysis, and build policy. The 2026 Rust rewrite also makes it a packaging case study: a Node-era CLI kept its ecosystem-facing package names while shifting core performance-sensitive work into a native binary.
Timeline
- 2013: GitHub repository and npm package history began.
- 2018: jscpd 1.0.0 was published after years of 0.x releases.
- 2020: jscpd 3.x releases continued the Node.js/TypeScript era.
- 2024: jscpd 4.0.0 was published on npm.
- 2026: jscpd 4.2.x and 5.0.x releases appeared, with project docs presenting v5 as a Rust-powered rewrite.
Related projects
- Related projects include PMD CPD, Simian, SonarQube duplication detection, MegaLinter's jscpd integration, and jscpd's own GitHub Action and MCP server packages.
Sources
security posture
No protected-tool coverage found yet
No matching local secret-handling manifest was found for jscpd. Nucleus package metadata is still published here so future coverage has a stable package URL.
Install behavior
- No Homebrew post-install hook is recorded in formula metadata.
- Homebrew bottle metadata is available for 6 platform targets.
- Build metadata lists 1 build dependencies.
Recommended review
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
local files
Configuration and credential file locations
These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval.
Configuration files
Config paths the tool may read or write during local use.
- Unix
.jscpd.json
executables
Installed executables
| Command | Kind | Exposure | Note |
|---|---|---|---|
jscpd | cli | global executable |
freshness
Version and freshness
These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.
page generated2026-07-08
manager version5.0.11
manager updated2026-06-20
local dataok
upstreamcurrent
latest detectedv5.0.11
https://github.com/kucherenko/jscpd
- okNo freshness warnings were generated.
install metadata
Package metadata
| Package key | brew:jscpd |
|---|---|
| Version | 5.0.11 |
| Package manager | Homebrew |
| Package manager page | https://formulae.brew.sh/formula/jscpd |
| Homepage | https://jscpd.dev/ |
| Repository | https://github.com/kucherenko/jscpd |
| Upstream docs | https://github.com/kucherenko/jscpd#readme |
| License | MIT |
| Source archive | https://github.com/kucherenko/jscpd/archive/refs/tags/v5.0.11.tar.gz |
| Last updated | 2026-06-20T09:34:07Z |
| Pulse | updated |
| Build dependencies | rust |
| Bottle | available (on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux) |
| Homebrew post-install | not defined |
| Service | none declared |
registry facts
Source database details
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | jscpd |
| Version Scheme | 0 |
| Revision | 0 |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
source trail
Generated from repository data
This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.
Combined YAML source
View the package source record on GitHub.
Used sources
- Geiger risk classifier
- Nucleus package database
- av.db category and tag curation
- cross-ecosystem install command graph
- curated configuration and credential file locations
- curated package history
- package relationship graph
- package version freshness
- package-page enrichment