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Get your own custom ChatGPT inside your Discord Server

Description

This n8n workflow enables a fully autonomous AI assistant within your Discord server. It listens for both public mentions and direct messages (DMs), and replies in real-time using a language model (OpenAI's GPT-4o by default). The assistant can dynamically fetch previous messages for better context, providing smart, coherent, and personalized responses.

🔧 Key Features

• Dual Trigger: Reacts to both public bot mentions and private DMs.
• Context-Aware AI: Dynamically fetches the last 30 messages from either public or private conversations.
• Smart Routing: Replies either in the original public channel or via DM, depending on where the message came from.
• Custom Prompting: Easily modify the system prompt to define the AI’s tone, behavior, and personality.
• Fully Autonomous: No manual intervention required — the bot always replies instantly.

✅ Requirements

• An operational n8n instance.
• A Discord bot with at least these permissions:
  • Send Messages
  • Read Message History
  • Manage Messages
• OpenAI API key (or compatible LLM credentials).
• The community package: n8n-nodes-discord-trigger.

🧰 Setup Instructions

1. Discord Bot Setup

• Create and invite your Discord bot to your server with required permissions.

You will find in the next step a complete tutorial to craft your own bot with the right code and permissions for this workflow to work

• Set your Discord bot token in n8n's credential manager.

2. Install the Community Node (please read ⚠️ Disclaimer first)

• Go to Settings > Community Nodes > Install
• Paste: n8n-nodes-discord-trigger and install.

3. Configure the Workflow

• Add your Discord bot credentials.
• Update the LLM credentials with your OpenAI key or alternative.
• Customize the AI agent system prompt if needed.

🤖 How It Works

• When a public mention is detected, the bot replies directly in the channel, referencing the original message.
• When a DM is received, it responds privately.
• The AI uses tools to read the latest 30 public or private messages to build accurate context before replying.

🛠 Customization Options

• Change LLM: Swap out OpenAI with any LLM that has an API.
• Edit Prompt Behavior: Modify the system prompt to control tone and personality.
• Adjust Trigger Filters: Choose which roles, channels, or patterns activate the flow.

If you just need a tutorial on setting up your Discord bot, be my guest ➡️ Here

And if you need any help, or have any question, feel free to come discuss about it on Telegram