Telegram AI chatbot agent with InfraNodus GraphRAG knowledge base
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 OpenAI Chat Model, Telegram, HTTP Request and Infranodus (community). It also calls infranodus.com over HTTP.
How it runs
Trigger: On Telegram events (message).
- Send "Typing..." message to User (Telegram): send chat action
- AI Agent: runs an AI agent, with model: OpenAI Model; 4 tools (The Flow and the Notion Book, Waves Into Patterns Book Expert, The Polysingularity Letters Book, Special Agent's Manual Book Expert); memory: Simple Memory
- Send Telegram Message to User (Telegram): uses Telegram
- Special Agent's Manual Book Expert HTTP Node (Http Request Tool): calls infranodus.com (POST)
- Waves into Patterns Book Expert HTTP Node (Http Request Tool): calls infranodus.com (POST)
Services it uses
HTTP calls to: infranodus.com
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 Agent (v1.9): 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) AI Agent (v1.9) | Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent. |
Nodes used (7)
- OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi - Simple Memory
@n8n/n8n-nodes-langchain.memoryBufferWindow - Telegram Trigger
n8n-nodes-base.telegramTrigger - Telegram
n8n-nodes-base.telegram - AI Agent
@n8n/n8n-nodes-langchain.agent - Http Request Tool
n8n-nodes-base.httpRequestTool - Infranodus Tool
n8n-nodes-infranodus.infranodusTool
From the author
Using the knowledge graphs instead of RAG vector stores This workflow creates a Telegram chatbot agent that has access to several knowledge bases at the same time (used as "experts"). These knowledge bases are provided using the InfraNodus GraphRAG using the…