Build a personal assistant with Google Gemini, Gmail and Calendar using MCP
Needs changesNeeds changes. This template uses 1 thing(s) that n8n 3.0 removes: AI Agent v1 (old agent modes). 1 breaking item(s) found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 15 nodes and runs when a chat message arrives (plus 1 other trigger). Along the way it connects Google Gemini Chat Model, MCP Client, Google Calendar and Gmail and 1 more.
How it runs
Trigger: When a chat message arrives (plus 1 other trigger).
- Personal Assistant (AI Agent): runs an AI agent, with model: Google Gemini Chat Model; 1 tool (MCP Client); memory: Simple Memory
Services it uses
Before you upgrade to n8n 3.0
1 thing in this workflow is removed in n8n 3.0. Fix it before you upgrade:
- AI Agent v1 (old agent modes) in Personal Assistant (v1.9): replace with Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.
Rather not rewrite it? Many of these flows can be rebuilt in Make (free plan).
| Removed in 3.0 | Replace with |
|---|---|
| AI Agent v1 (old agent modes) Personal Assistant (v1.9) | Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent. |
Nodes used (9)
- Chat Trigger
@n8n/n8n-nodes-langchain.chatTrigger - Google Gemini Chat Model
@n8n/n8n-nodes-langchain.lmChatGoogleGemini - Simple Memory
@n8n/n8n-nodes-langchain.memoryBufferWindow - MCP Server Trigger
@n8n/n8n-nodes-langchain.mcpTrigger - MCP Client Tool
@n8n/n8n-nodes-langchain.mcpClientTool - Google Calendar Tool
n8n-nodes-base.googleCalendarTool - Gmail Tool
n8n-nodes-base.gmailTool - AI Agent
@n8n/n8n-nodes-langchain.agent - Google Sheets Tool
n8n-nodes-base.googleSheetsTool
From the author
Talk to Your Apps: Building a Personal Assistant MCP Server with Google Gemini Wouldn't it be cool to just tell your computer or phone to "schedule a meeting with Sarah next Tuesday at 3 PM" or "find John Doe's email address" and have it actually do it?…