npm-package

Installation
SKILL.md

npm Package Development (Bun-First)

Build and publish npm packages using Bun as the primary runtime and toolchain, producing output that works everywhere npm packages are consumed.

When to Use This Skill

Use when:

  • Creating a new npm library package from scratch
  • Setting up build/test/lint tooling for an existing package
  • Fixing CJS/ESM interop, exports map, or TypeScript declaration issues
  • Publishing a package to npm
  • Reviewing or improving package configuration

Do NOT use when:

  • Building an npx-executable CLI tool (use the npx-cli skill)
  • Building an application (not a published package)
  • Working in a monorepo (this skill targets single-package repos)

Toolchain

Related skills

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First Seen
Feb 16, 2026