Slack AI ChatBot : context-aware, replies to mentions AND also DMs

Click here to access this Workflow for free. --- Get your own custom ChatGPT inside your Slack Workspace Description This n8n workflow enables a fully autonomous AI assistant within your Slack Workspace. It listens for both public mentions and direct messages (DMs), and replies in real-time using a large 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 20 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 Slack workspace (you can create one for free here) - A Slack account with Admin or Owner privileges (required to install apps) --- 🧰 Setup Instructions Slack Bot Setup - Create a Slack App with the necessary permissions and configurations > You will find in the next step a complete tutorial to craft your own bot with the right confirguration and permissions for this workflow to work - Set your Slack bot token in n8n's credential manager. --- 🤖 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 a tool to read the latest 20 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. --- If you just need a tutorial on setting up your Slack bot, be my guest ➡️ Here --- And if you need any help, or have any question, feel free to come discuss about it on Telegram