Manage Google Calendar events with GPT‑4 and an AI assistant

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Built by Milo Bravo Milo Bravo
Created on June 11, 2026

Description


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 (CRUD) - Respond to Webhook
Category: AI / Productivity
Level: Intermediate
Credits: Milo Bravo (BRaiA Labs)

What problem is this workflow solving?
Calendar chaos wastes hours weekly:

Switching between apps for scheduling
Forgetting event details or conflicts
Manual CRUD across multiple calendars
No conversational interface for busy pros

This sub-workflow turns plain English into instant Google Calendar actions.

What this workflow does

Trigger: Execute Workflow node receives { "query": "your request" }
AI Agent (GPT-4o): Interprets intent → selects create/read/update/delete
Google Calendar tools: Executes operation on your calendar
Response: JSON success/error + event details back to parent

Setup (2 minutes):

Google Calendar OAuth2 credentials
Replace [email protected] → your Calendar ID
OpenAI API key (GPT-4o recommended)
Fully configurable – no hardcoded values

How to customize:

Swap GPT model (GPT-4o-mini for cost)
Add calendar permissions per user
Extend: Slack/Teams input → calendar action
Scale: Multi-calendar support via param

ROI:

95% faster scheduling** (seconds vs minutes)
Zero context switching
Embeddable in any workflow (CRM, assistants)
10x daily productivity** for teams

Need help customizing?:
Contact me for consulting and support: LinkedIn / Message
Keywords:
Google Calendar AI, AI scheduling assistant, calendar automation, GPT calendar agent, conversational calendar, Google Calendar workflow

Nodes Used (2)

AI Agent
@n8n/n8n-nodes-langchain.agent
OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi