Manage Google Calendar events with GPT‑4 and an AI assistant
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 10 nodes and runs when another workflow calls it. Along the way it connects Google Calendar and OpenAI Chat Model.
How it runs
Trigger: When another workflow calls it.
- Manage Calendar with AI Agent (AI Agent): runs an AI agent, with model: OpenAI GPT-4.1 Chat Model; 5 tools (Get Calendar Events, Create Calendar Event, Delete Calendar Event, Update Calendar Event…)
- Set Success Response (Edit Fields (Set)): sets or maps fields
- Set Error Response (Edit Fields (Set)): sets 1 field: response
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 Manage Calendar with AI Agent (v1.6): 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) Manage Calendar with AI Agent (v1.6) | Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent. |
Nodes used (5)
- Edit Fields (Set)
n8n-nodes-base.set - AI Agent
@n8n/n8n-nodes-langchain.agent - Google Calendar Tool
n8n-nodes-base.googleCalendarTool - Execute Workflow Trigger
n8n-nodes-base.executeWorkflowTrigger - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi
From the author
Google Calendar AI Assistant Who is this for? Professionals, teams, and AI builders needing instant calendar management via natural language – no more manual event creation or hunting. Key nodes: Execute Workflow Trigger - OpenAI Agent - Google Calendar…