Conversational Google Calendar management with Claude 3.5 Haiku & Telegram
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
Nodes used (7)
- Telegram Trigger
n8n-nodes-base.telegramTrigger - AI Agent
@n8n/n8n-nodes-langchain.agent - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi - Google Calendar Tool
n8n-nodes-base.googleCalendarTool - Telegram Tool
n8n-nodes-base.telegramTool - Anthropic Chat Model
@n8n/n8n-nodes-langchain.lmChatAnthropic - Telegram
n8n-nodes-base.telegram
What it does
💬 Conversational Calendar Bot for Telegram This workflow creates an AI chatbot on Telegram that intelligently manages your Google Calendar using natural language. It even checks for conflicts before scheduling! !Screenshot 20250716 at 7.11.32 PM.png(fileId:1759) --- AI Models: Anthropic Claude 3.5 Haiku (Primary) & OpenAI GPT-4.1-mini (Fallback) How It Works Listen 👂: Triggered by a message in your Telegram chat. Understand 🧠: An AI Agent extracts the event details (title, date, time). Check 🧐: It first checks Google Calendar for any conflicting events. Decide ✅: If the slot is free, it creates the event. If not, it asks you for a new time. Confirm 👍: Sends a final confirmation message back to you. Nodes Used Telegram Trigger LangChain Agent Anthropic & OpenAI Models Google Calendar & Telegram Tools Setup Credentials: Add API keys for Telegram, Google Calendar, Anthropic, and OpenAI. Configure Nodes: Telegram Trigger: Add your specific Chat ID. Google Calendar Nodes ("Create" & "Get"): Select your calendar from the dropdown list. Example Usage To create a timed event: 🗓️ "Add an appointment to pick up graduation certificates on July 17th at 9 AM" To create an all-day event: PASSPORT "Remind me to renew my passport on August 20th"