Build a moderation bot that automatically removes spam and enforces server rules.
Create a music bot that plays songs in voice channels when users request them.
Add custom slash commands to your server for games, polls, or utility functions.
Set up automated welcome messages and role assignment when new members join.
Discord.js is the most popular JavaScript library for building Discord bots, automated programs that live inside Discord servers and respond to messages, slash commands, button clicks, and other events. It's the tool developers reach for when they want to add a bot to their community server. Think of Discord.js as a translator layer: Discord has a complex API (a way for software to talk to Discord's servers), and discord.js wraps all that complexity into simple, readable code. Instead of dealing with raw API calls, a developer can write plain JavaScript that says things like "when someone types /help, send them a welcome message" and discord.js handles all the technical details of communicating with Discord in the background. The library covers everything Discord bots need: reading and sending messages, managing server roles and permissions, playing audio in voice channels, handling button and dropdown menu interactions, and reacting to any event happening in a server. There's also a companion tool that scaffolds a new bot project in seconds, giving you a working starting point without writing boilerplate from scratch. For a vibe coder or community builder, this is the standard starting point for adding automation, moderation, games, music, or custom commands to a Discord server. The project has extensive documentation, an official guide, and an active support community on Discord itself. Being JavaScript-based means it runs on Node.js (the server-side JavaScript runtime) and integrates naturally with the broader JavaScript ecosystem.
Generated 2026-05-18 · Model: sonnet-4-6 · Verify against the repo before relying on details.