Automation library · Scheduling

Build a personal assistant with Gemini and Gmail

Started by someone opening a chat with it, and works across Gmail, Google Calendar and Google Sheets. It puts Gemini behind a retrieval step, so answers are drawn from documents you supply rather than from the model alone. 15 steps: a working afternoon to understand properly.

MediumCalls a model: GeminiRetrieval

Download free
15 stepsMedium: a working afternoon
0Branches: places the flow splits
0Loops or waits
3Services it connects to

The flow

Starts it 2Model 4Service 9

The steps in the order they run, from what starts it.

  1. 1When chat message receivedChat triggerStarts it
  2. 2Google Gemini Chat ModelLm Chat Google GeminiModel
  3. 3Simple MemoryMemory Buffer WindowModel
  4. 4MCP ClientMcp Client ToolModel
  5. 5Create eventGoogle Calendar ToolService
  6. 6Update eventGoogle Calendar ToolService
  7. 7Draft emailGmail ToolService
  8. 8Add new rowGoogle Sheets ToolService
  9. 9Find rowGoogle Sheets ToolService
  10. 10Update rowGoogle Sheets ToolService
  11. 11Find emailsGmail ToolService
  12. 12Find single eventGoogle Calendar ToolService
  13. 13Find multiple eventsGoogle Calendar ToolService
  14. 14Personal AssistantAgentModel
  15. 15MCP Server TriggerMcp triggerStarts it

How it's built

Starts on
Someone opening a chat with it
Steps
15
Size
Medium: a working afternoon
Connects to
Gmail, Google Calendar, Google Sheets
Model
Gemini
Retrieval
Answers are drawn from documents you supply, not from the model alone

Questions

What does it need to run?

An n8n account, plus your own Gmail, Google Calendar and Google Sheets accounts, and a key for Gemini. You connect your own accounts after importing it; none are included.

What starts it?

It starts on someone opening a chat with it.

Does it use AI?

Yes. It calls Gemini. Its answers draw on documents you give it, not on the model alone. Model calls are billed by the provider, not by n8n.

How long does it take to set up?

Plan an afternoon. 15 steps is enough that you should read each one before running it.

How do I import it?

Copy the workflow, open a new workflow in n8n and paste. The steps appear on the canvas, ready for your own accounts.

Before you run it

Nothing here has been tested by us. It is somebody's working automation, read and described from its own steps. Treat the connections it wants as a list of accounts it will touch, and read the 15 steps before you point it at anything that matters.