AI-powered Gmail and Calendar assistant with Gemini chat interface
⚠️ Disclaimer: This workflow uses Google Calendar and Gmail nodes which you will have to configure yourself
Who’s it for
Anyone who wants an AI-powered personal assistant that can handle Gmail and Google Calendar tasks through a simple webhook. This is useful for developers, small teams, and productivity enthusiasts who want to connect a chatbot (Discord, Telegram, WhatsApp, or custom frontends) to their email and calendar.
How it works / What it does
This workflow acts as a chat-based AI assistant. You send text requests through a webhook (e.g., from a chatbot), and the AI agent interprets them to take actions like:
- 📧 Sending emails in Gmail
- 📥 Reading and summarizing your emails
- 📅 Checking your Google Calendar events
- ✅ Checking your availability before booking
- 📝 Creating new calendar events with Google Meet links
- ✏️ Updating existing events
- ⏰ Converting natural time expressions like “tomorrow at 3 PM” into exact timestamps
The AI agent is powered by the Google Gemini Chat Model (or any LLM you choose) and follows strict guardrails:
- Confirms actions before executing
- Asks for clarification if details are missing
- Prevents double-booking by checking availability
How to set up
- Import this workflow into n8n.
- Set up credentials for:
- Gmail (OAuth2)
- Google Calendar (OAuth2)
- AI provider (Gemini, OpenAI, Claude, etc.)
- Configure the webhook node (
/chat) as your chatbot endpoint.- You can connect it to Discord, WhatsApp, Telegram, or a frontend app.
- Customize the AI Agent’s system prompt if you want to tweak tone or rules.
- Deploy and start sending messages like:
- “Check my emails from today”
- “Schedule a meeting with John tomorrow at 3 PM”
- “Email my team about the deadline extension”
Requirements
- n8n installed and running (cloud or self-hosted)
- Gmail and Google Calendar accounts with API access
- API key for your chosen AI provider
- Webhook Chatbot interface
How to customize
- Swap Google Gemini with another LLM node (e.g., OpenAI GPT or Anthropic Claude).
- Add more tools (e.g., Slack, Notion, Trello) to extend capabilities.
- Adjust memory length in the Simple Memory node.
- Modify sticky notes with instructions tailored to your use case.
Disclaimer
- This workflow uses the community webhook entry point, so it is best suited for self-hosted n8n instances.
- Do not hardcode API keys or sensitive credentials. Always use n8n’s Credentials system.
Other Details
Thanks for viewing this automation! Feel Free to contact me at praneel.tech Also Use my Webhook chatbot interface Which is configured perfectly for n8n Automations!
AI-Powered Chat Assistant with Google Gemini
This n8n workflow creates a simple AI-powered chat assistant accessible via a webhook. It leverages Google Gemini as the language model and incorporates memory to maintain conversational context.
What it does
This workflow automates the following steps:
- Receives Chat Input: Listens for incoming chat messages via a webhook.
- Initializes Memory: Sets up a simple buffer window memory for the AI agent to remember past conversations.
- Configures Language Model: Connects to the Google Gemini Chat Model to process natural language.
- Processes with AI Agent: Uses an AI Agent to interpret the user's message, consider the conversational history, and generate a response.
- Responds to User: Sends the AI-generated response back to the originating webhook.
Prerequisites/Requirements
To use this workflow, you will need:
- n8n Instance: A running n8n instance to import and execute the workflow.
- Google Gemini API Key: Credentials for the Google Gemini Chat Model. This will need to be configured within the "Google Gemini Chat Model" node.
Setup/Usage
- Import the Workflow:
- Download the provided JSON file.
- In your n8n instance, click "Workflows" in the left sidebar.
- Click "New" and then "Import from JSON".
- Paste the JSON content or upload the file.
- Configure Credentials:
- Locate the "Google Gemini Chat Model" node.
- Double-click it to open its settings.
- Under the "Credentials" section, select or create new Google Gemini API credentials.
- Activate the Webhook:
- Locate the "Webhook" node.
- Copy the "Webhook URL" displayed in its settings. This is the endpoint you will send your chat messages to.
- Activate the Workflow:
- Toggle the workflow to "Active" in the top right corner of the n8n editor.
- Send Chat Messages:
- Send POST requests to the copied Webhook URL with your chat message in the request body (e.g., as JSON with a
messagefield). The workflow will process it and respond.
- Send POST requests to the copied Webhook URL with your chat message in the request body (e.g., as JSON with a
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