List npm Package Content Agent Skill
List the contents of an npm package tarball before publishing. Use when the user wants to see what files are included in an npm bundle, verify package contents, or debug npm publish issues.
Install
one command, takes just this skill from the repositorynpx skills add https://github.com/vercel/ai --skill list-npm-package-contentWhat comes with it
142 bytes besides the instructionThe instruction itself
3 sections, as written by the authorList npm Package Content
This skill lists the exact contents of an npm package tarball - the same files that would be uploaded to npm and downloaded by users.
Usage
Run the script from the package directory (e.g., packages/ai):
bash scripts/list-package-files.sh
The script will build the package, create a tarball, list its contents, and clean up automatically.
Understanding Package Contents
The files included are determined by:
filesfield inpackage.json- explicit allowlist of files/directories.npmignore- files to exclude (if present).gitignore- used if no.npmignoreexists- Always included:
package.json,README,LICENSE,CHANGELOG - Always excluded:
.git,node_modules,.npmrc, etc.
Other skills for the same job
different authors, same section of the catalogue
Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).
Automatically creates user-facing changelogs from git commits by analyzing commit history, categorizing changes, and transforming technical commits into clear, customer-friendly release notes. Turns hours of manual changelog writing into minutes of automated generation.
Use when implementation is complete, all tests pass, and you need to decide how to integrate the work - guides completion of development work by presenting structured options for merge, PR, or cleanup
Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).
React Native and Expo best practices for building performant mobile apps. Use when building React Native components, optimizing list performance, implementing animations, or working with native modules. Triggers on tasks involving React Native, Expo, mobile performance, or native platform APIs.
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance improvements.
Next.js best practices - file conventions, RSC boundaries, data patterns, async APIs, metadata, error handling, route handlers, image/font optimization, bundling
Use when starting feature work that needs isolation from current workspace or before executing implementation plans - creates isolated git worktrees with smart directory selection and safety verification
How to use it
Take vercel/list-npm-package-content from the repository into ~/.claude/skills for personal
use, or into .claude/skills inside a project.
The agent identifies a skill by the name field in its header. Two skills with the
same name cannot sit side by side — one of them will be ignored.