Templates / Manage Google Calendar via WhatsApp with GPT-4 virtual assistant

Manage Google Calendar via WhatsApp with GPT-4 virtual assistant

Needs changes

by Floyd Mahou ✓ · 13,750 views · created 2025-06-26 · Personal Productivity, AI Chatbot

Needs 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 10 nodes and runs on WhatsApp events (messages). Along the way it connects OpenAI Chat Model, Google Calendar and WhatsApp Business Cloud.

How it runs

Trigger: On WhatsApp events (messages).

  1. TimePilot (AI Agent): runs an AI agent, with model: OpenAI Chat Model; 4 tools (Create Event, Delete Event, Search Event, Update Event); memory: Simple Memory
  2. Success (Edit Fields (Set)): sets or maps fields
  3. WhatsApp Business Cloud: send

Services it uses

OpenAI Chat ModelGoogle CalendarWhatsApp Business Cloud

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 TimePilot (v1.8): 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 3.0Replace with
AI Agent v1 (old agent modes)
TimePilot (v1.8)
Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.

Nodes used (7)

From the author

How it works • Allows users to manage their Google Calendar via WhatsApp using natural language • Handles event creation, updates, deletions, availability checks, and agenda overviews • AI agent interprets the user’s message and triggers the appropriate…

Excerpt from Floyd Mahou's description on n8n.io.

View the original on n8n.io → Check your own copy

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