Manage calendar with voice & text using GPT-4, Telegram & Google Calendar
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 12 nodes and runs on Telegram events (message). Along the way it connects Google Calendar, Telegram, OpenAI and OpenAI Chat Model.
How it runs
Trigger: On Telegram events (message).
- Is Voice Message? (If): checks a condition and branches into true / false
- Download Voice File (Telegram): work with file
- Extract Text Message (Edit Fields (Set)): sets 1 field: Text
- Transcribe Voice to Text (OpenAI): transcribe (audio)
- AI Calendar Assistant (LangChain) (AI Agent): runs an AI agent, with model: GPT-4 Language Model; 4 tools (Get events, Create Event, Detele Event, Update Calendar)
- Send Response to Telegram (Telegram): uses Telegram
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 AI Calendar Assistant (LangChain) (v1.9): replace with Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.
| Removed in 3.0 | Replace with |
|---|---|
| AI Agent v1 (old agent modes) AI Calendar Assistant (LangChain) (v1.9) | Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent. |
Nodes used (8)
- Google Calendar Tool
n8n-nodes-base.googleCalendarTool - Telegram Trigger
n8n-nodes-base.telegramTrigger - If
n8n-nodes-base.if - Telegram
n8n-nodes-base.telegram - OpenAI
@n8n/n8n-nodes-langchain.openAi - Edit Fields (Set)
n8n-nodes-base.set - AI Agent
@n8n/n8n-nodes-langchain.agent - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi
From the author
Manage Calendar with Voice & Text Commands using GPT-4, Telegram & Google Calendar This n8n workflow transforms your Telegram bot into a personal AI calendar assistant, capable of understanding both voice and text commands in Romanian, and managing your…