---
title: "NPM Package Analyzer"
description: "Deep analysis of npm packages using npm-registry-fetch and pacote. Evaluates bundle size via bundlephobia API, checks security advisories from npm audit, and maps dependency trees with arborist."
verification: "security_reviewed"
source: "https://docs.npmjs.com/cli/v10/using-npm/registry/"
author: "npm, Inc."
category:
  - "Library & API Reference"
framework:
  - "ChatGPT Agents"
---

# NPM Package Analyzer

Deep analysis of npm packages using npm-registry-fetch and pacote. Evaluates bundle size via bundlephobia API, checks security advisories from npm audit, and maps dependency trees with arborist.

## Installation

Choose whichever fits your setup:

1. Copy this skill folder into your local skills directory.
2. Clone the repo and symlink or copy the skill into your agent workspace.
3. Add the repo as a git submodule if you manage shared skills centrally.
4. Install it through your internal provisioning or packaging workflow.
5. Download the folder directly from GitHub and place it in your skills collection.

## Documentation

- https://docs.npmjs.com/cli/v10/using-npm/registry/

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/npm-package-analyzer/)