Notion AI-Powered Knowledge Base Assistant

Name: Notion AI-Powered Knowledge Base Assistant
Rating: 5 (6 reviews)
Author: Free N8N

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AI & Automationaiautomationchatbotknowledge baselangchainnotionopenai

This workflow leverages n8n and Langchain to create an AI-powered assistant for your Notion knowledge base. It uses the OpenAI Chat Model to understand queries and the Notion API via toolHttpRequest nodes to search and retrieve information.

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About This Workflow

Overview

This n8n workflow transforms your Notion database into an intelligent knowledge base accessible via an AI assistant. It utilizes the Langchain framework within n8n to process user queries, interact with your Notion database through its API, and provide concise, relevant answers. The 'Get database details' node fetches schema information, including available tags, which are then passed to the 'Search notion database' tool. The AI Agent node orchestrates the process, using the OpenAI Chat Model to interpret user input and determine the best course of action, either searching the Notion database directly or fetching specific page content.

Key Features

Dynamically fetches Notion database details and available tags.
Enables AI-driven searching and querying of Notion databases.
Integrates with OpenAI's GPT-4o model for advanced natural language understanding.
Supports filtering Notion searches by keywords and tags with an OR relationship.
Retrieves specific page content using Notion API blocks endpoint.

How To Use

Configure Notion Credentials: Ensure your Notion API credentials are set up in n8n.
Set Database ID: In the 'Get database details' node, input the ID of your target Notion database.
Trigger Configuration: Configure the 'When chat message received' node to set up your chat interface endpoint and initial message.
AI Agent Prompting: Customize the 'AI Agent' node's system message to define its role, behavior, and error handling for interacting with your Notion data.
Review Tool Descriptions: The 'Search notion database' and 'Search inside database record' nodes have detailed tool descriptions that guide the AI agent. Ensure these accurately reflect your Notion structure.
Run the Workflow: Trigger the workflow by sending a message to the chat endpoint.

Apps Used

automation

chatbot

knowledge base

langchain

notion

openai

Workflow JSON

{
  "id": "a120a217-bfd1-4afa-84a1-9c3fc85e543b",
  "name": "Notion AI-Powered Knowledge Base Assistant",
  "nodes": 0,
  "category": "AI & Automation",
  "status": "active",
  "version": "1.0.0"
}

Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.