Simple Telegram AI Bot (lite)

The workflow JSON

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{
  "id": "SimpleTgAiBotLite",
  "active": false,
  "name": "Simple Telegram AI Bot (Lite)",
  "nodes": [
    {
      "parameters": {
        "updates": [
          "message"
        ],
        "additionalFields": {}
      },
      "id": "c3000000-0000-4000-8000-000000000001",
      "name": "Telegram Trigger",
      "type": "n8n-nodes-base.telegramTrigger",
      "typeVersion": 1.2,
      "position": [
        -380,
        0
      ],
      "credentials": {}
    },
    {
      "parameters": {
        "promptType": "define",
        "text": "={{ $json.message.text }}",
        "options": {
          "systemMessage": "You are a friendly, concise assistant for a small business. Keep answers under 120 words. Reply in the customer's language. If you are not sure about business-specific facts (prices, policies, hours), say you'll check with the team instead of guessing."
        }
      },
      "id": "c3000000-0000-4000-8000-000000000002",
      "name": "AI Agent",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "typeVersion": 1.9,
      "position": [
        -100,
        0
      ]
    },
    {
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini"
        },
        "options": {}
      },
      "id": "c3000000-0000-4000-8000-000000000003",
      "name": "Chat Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "typeVersion": 1.2,
      "position": [
        -160,
        200
      ],
      "credentials": {}
    },
    {
      "parameters": {
        "sessionIdType": "customKey",
        "sessionKey": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
        "contextWindowLength": 10
      },
      "id": "c3000000-0000-4000-8000-000000000004",
      "name": "Chat Memory",
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "typeVersion": 1.3,
      "position": [
        0,
        200
      ]
    },
    {
      "parameters": {
        "chatId": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
        "text": "={{ $json.output }}",
        "additionalFields": {}
      },
      "id": "c3000000-0000-4000-8000-000000000005",
      "name": "Send Reply",
      "type": "n8n-nodes-base.telegram",
      "typeVersion": 1.2,
      "position": [
        180,
        0
      ],
      "credentials": {}
    }
  ],
  "connections": {
    "Telegram Trigger": {
      "main": [
        [
          {
            "node": "AI Agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "AI Agent": {
      "main": [
        [
          {
            "node": "Send Reply",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "AI Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Chat Memory": {
      "ai_memory": [
        [
          {
            "node": "AI Agent",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  },
  "meta": {
    "templateCredsSetupCompleted": false
  }
}

About this workflow

Simple Telegram AI Bot (Lite). Uses telegramTrigger, agent, lmChatOpenAi, memoryBufferWindow. Event-driven trigger; 5 nodes.

Source: https://github.com/Mode-AI-Creator/n8n-telegram-ai-support-bot/blob/main/workflow-lite.json — original creator credit. Request a take-down →

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