WhatsApp assistant with Gemini AI for calendar management via Evolution API
UnknownWhat this workflow does
This AI workflow has 26 nodes and runs when an HTTP POST request hits its webhook URL (plus 1 other trigger). Along the way it connects Google Gemini, Google Gemini Chat Model, MCP Client and Google Calendar and 1 more.
How it runs
Trigger: When an HTTP POST request hits its webhook URL (plus 1 other trigger).
- Message Type (Switch): routes items into 4 branches
- Edit Fields (Edit Fields (Set)): sets 1 field: text
- Get base64 image (Evolution Api): get media base64 (chat api)
- Get base64 audio (Evolution Api): get media base64 (chat api)
- Get base64 document (Evolution Api): get media base64 (chat api)
- Message not supported (Evolution Api): work with messages api
- Archestrator Agent (AI Agent): runs an AI agent, with model: Google Gemini Chat Model; 1 tool (MCP Calendar); memory: Simple Memory
- Convert to image (Convert to File): converts data to a file (to binary)
- Convert to audio (Convert to File): converts data to a file (to binary)
- Convert to document (Convert to File): converts data to a file (to binary)
…plus 7 more steps. See the full node list below.
Services it uses
Before you upgrade to n8n 3.0
We can't fully verify this one: it relies on 1 community package, and n8n 3.0 turns unverified community packages off by default (N8N_UNVERIFIED_PACKAGES_ENABLED=false).
- Check that n8n-nodes-evolution-api is verified or supports 3.0 (used in Message not supported, Get base64 audio, Get base64 image).
Nodes used (12)
- Webhook
n8n-nodes-base.webhook - Switch
n8n-nodes-base.switch - Evolution Api
n8n-nodes-evolution-api.evolutionApi - Google Gemini
@n8n/n8n-nodes-langchain.googleGemini - Edit Fields (Set)
n8n-nodes-base.set - Convert to File
n8n-nodes-base.convertToFile - Google Gemini Chat Model
@n8n/n8n-nodes-langchain.lmChatGoogleGemini - Simple Memory
@n8n/n8n-nodes-langchain.memoryBufferWindow - AI Agent
@n8n/n8n-nodes-langchain.agent - MCP Server Trigger
@n8n/n8n-nodes-langchain.mcpTrigger - MCP Client Tool
@n8n/n8n-nodes-langchain.mcpClientTool - Google Calendar Tool
n8n-nodes-base.googleCalendarTool
From the author
AI Agent that uses MCP Server to execute actions requested via Evolution API. This workflow receives messages and media from WhatsApp via the Evolution API, converts the content into structured inputs, and forwards them to an AI Agent capable of triggering…