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Building a CLI Tool with Node.js

Command-line tools are incredibly useful for automating tasks and improving your workflow. In this post, I'll walk you through building a simple CLI tool.

#Getting Started

First, set up a new Node.js project:

#Creating the CLI Entry Point

Create a file named cli.js at the root:

Make it executable:

#Parsing Arguments

Use a library like commander for robust argument parsing:

#Publishing to npm

  1. Update package.json with the correct bin field
  2. Run npm publish

#Conclusion

Building CLI tools is a great way to learn Node.js and create reusable utilities. Start simple and iterate!

Created:
3/25/2026
Last Updated:
4/5/2026