Home Recipes Agentic Telegram Ai Bot With With Langchain Nodes And New Tools

Agentic Telegram Ai Bot With With Langchain Nodes And New Tools

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About this recipe

A recipe for Agentic Telegram Ai Bot With With Langchain Nodes And New Tools

Recipe Template

{
    "id": "U8EOTtZvmZPMYc6m",
    "meta": {
        "instanceId": "fb924c73af8f703905bc09c9ee8076f48c17b596ed05b18c0ff86915ef8a7c4a",
        "templateCredsSetupCompleted": true
    },
    "name": "Agentic Telegram AI bot with LangChain nodes and new tools",
    "tags": [],
    "nodes": [
        {
            "id": "13b3488e-af72-4d89-bef4-e9b895e3bf76",
            "name": "OpenAI Chat Model",
            "type": "@n8n\/n8n-nodes-langchain.lmChatOpenAi",
            "position": [
                1640,
                580
            ],
            "parameters": {
                "model": "gpt-4o",
                "options": {
                    "temperature": 0.7,
                    "frequencyPenalty": 0.2
                }
            },
            "credentials": {
                "openAiApi": {
                    "id": "rveqdSfp7pCRON1T",
                    "name": "Ted's Tech Talks OpenAi"
                }
            },
            "typeVersion": 1
        },
        {
            "id": "864937a1-43f6-4055-bdea-61ab07db9903",
            "name": "Window Buffer Memory",
            "type": "@n8n\/n8n-nodes-langchain.memoryBufferWindow",
            "position": [
                1760,
                580
            ],
            "parameters": {
                "sessionKey": "=chat_with_{{ $('Listen for incoming events').first().json.message.chat.id }}",
                "contextWindowLength": 10
            },
            "typeVersion": 1
        },
        {
            "id": "4ef838d4-feaa-4bd3-b2c7-ccd938be4373",
            "name": "Listen for incoming events",
            "type": "n8n-nodes-base.telegramTrigger",
            "position": [
                1580,
                360
            ],
            "webhookId": "322dce18-f93e-4f86-b9b1-3305519b7834",
            "parameters": {
                "updates": [
                    "*"
                ],
                "additionalFields": []
            },
            "credentials": {
                "telegramApi": {
                    "id": "9dexJXnlVPA6wt8K",
                    "name": "Chat & Sound"
                }
            },
            "typeVersion": 1
        },
        {
            "id": "fed51c41-2846-4a1a-a5f5-ce121ee7fe88",
            "name": "Sticky Note",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                1460,
                180
            ],
            "parameters": {
                "color": 7,
                "width": 926.3188190787038,
                "height": 553.452795998601,
                "content": "## Generate an image with Dall-E-3 and send it via Telegram"
            },
            "typeVersion": 1
        },
        {
            "id": "1c7a204b-3ed7-47bd-a434-202b05272d18",
            "name": "Send final reply",
            "type": "n8n-nodes-base.telegram",
            "onError": "continueErrorOutput",
            "position": [
                2140,
                360
            ],
            "parameters": {
                "text": "={{ $json.output }}",
                "chatId": "={{ $('Listen for incoming events').first().json.message.from.id }}",
                "additionalFields": {
                    "appendAttribution": false
                }
            },
            "credentials": {
                "telegramApi": {
                    "id": "9dexJXnlVPA6wt8K",
                    "name": "Chat & Sound"
                }
            },
            "typeVersion": 1.1
        },
        {
            "id": "bebbe9d4-47ba-4c13-9e1e-d36bfe6e472e",
            "name": "Send back an image",
            "type": "n8n-nodes-base.telegramTool",
            "position": [
                2020,
                580
            ],
            "parameters": {
                "file": "={{ $fromAI(\"url\", \"a valid url of an image\", \"string\", \" \") }}",
                "chatId": "={{ $('Listen for incoming events').first().json.message.from.id }}",
                "operation": "sendDocument",
                "additionalFields": []
            },
            "credentials": {
                "telegramApi": {
                    "id": "9dexJXnlVPA6wt8K",
                    "name": "Chat & Sound"
                }
            },
            "typeVersion": 1.2
        },
        {
            "id": "38f2410d-bd55-4ddf-8aaa-4e28919de78f",
            "name": "Generate image in Dalle",
            "type": "@n8n\/n8n-nodes-langchain.toolHttpRequest",
            "position": [
                1880,
                580
            ],
            "parameters": {
                "url": "https:\/\/api.openai.com\/v1\/images\/generations",
                "method": "POST",
                "sendBody": true,
                "authentication": "predefinedCredentialType",
                "parametersBody": {
                    "values": [
                        {
                            "name": "model",
                            "value": "dall-e-3",
                            "valueProvider": "fieldValue"
                        },
                        {
                            "name": "prompt"
                        }
                    ]
                },
                "toolDescription": "Call this tool to request a Dall-E-3 model, when the user asks to draw something. If you g\u0435t a response from this tool, forward it to the Telegram tool.",
                "nodeCredentialType": "openAiApi"
            },
            "credentials": {
                "openAiApi": {
                    "id": "rveqdSfp7pCRON1T",
                    "name": "Ted's Tech Talks OpenAi"
                }
            },
            "typeVersion": 1.1
        },
        {
            "id": "34265eab-9f37-475a-a2ae-a6c37c69c595",
            "name": "AI Agent",
            "type": "@n8n\/n8n-nodes-langchain.agent",
            "position": [
                1780,
                360
            ],
            "parameters": {
                "text": "={{ $json.message.text }}",
                "options": {
                    "systemMessage": "=You are a helpful assistant. You are communicating with a user named {{ $json.message.from.first_name }}. Address the user by name every time. If the user asks for an image, always send the link to the image in the final reply."
                },
                "promptType": "define"
            },
            "typeVersion": 1.7
        }
    ],
    "active": false,
    "pinData": [],
    "settings": {
        "executionOrder": "v1"
    },
    "versionId": "b36989c5-295a-4df6-84e9-776815509bc9",
    "connections": {
        "AI Agent": {
            "main": [
                [
                    {
                        "node": "Send final reply",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "OpenAI Chat Model": {
            "ai_languageModel": [
                [
                    {
                        "node": "AI Agent",
                        "type": "ai_languageModel",
                        "index": 0
                    }
                ]
            ]
        },
        "Send back an image": {
            "ai_tool": [
                [
                    {
                        "node": "AI Agent",
                        "type": "ai_tool",
                        "index": 0
                    }
                ]
            ]
        },
        "Window Buffer Memory": {
            "ai_memory": [
                [
                    {
                        "node": "AI Agent",
                        "type": "ai_memory",
                        "index": 0
                    }
                ]
            ]
        },
        "Generate image in Dalle": {
            "ai_tool": [
                [
                    {
                        "node": "AI Agent",
                        "type": "ai_tool",
                        "index": 0
                    }
                ]
            ]
        },
        "Listen for incoming events": {
            "main": [
                [
                    {
                        "node": "AI Agent",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        }
    }
}

How to Use an n8n Template

1

Create a New Workflow

Click "New Workflow" in your n8n dashboard to get started.

2

Copy & Paste Template

First, copy this template: Click here to copy the JSON .
Then, in n8n, click the three dots (···) → "Import from file" and paste the JSON code.

3

Customize the Nodes

Go through each node in the workflow to update inputs like spreadsheet IDs, email addresses, or message content. Adjust field mappings to match your data.

4

Grant Access

For nodes that connect to external apps (like Google Sheets or Slack), you'll need to grant access. Connect your accounts using OAuth or an API key and save the credentials in the node.

5

Test It

Run the workflow by clicking "Execute Node" for each step or "Run Once" for the whole thing. Check the right sidebar to inspect data and debug any errors (they'll show up in red).

6

Activate Workflow

Once everything works as expected, click the "Activate" toggle to turn your workflow on. You're all set!

Frequently Asked Questions

How long does it take to implement this development recipe?

This recipe typically takes 30 minutes to implement, depending on your experience level with the tools involved.

What tools do I need for this recipe?

You'll need: n8n. All tools are linked above with setup instructions.

Is this recipe free to use?

This recipe uses a mix of free and paid tools. Check individual tool pricing above.

Do I need coding experience for this recipe?

Most tools in this recipe are no-code or low-code solutions, making them accessible to beginners. Each tool includes difficulty level indicators.

Can I customize this recipe?

Absolutely! This recipe provides a foundation that you can adapt to your specific needs. Feel free to add or remove tools based on your requirements.

What if I get stuck implementing this recipe?

Each tool includes documentation links and support resources. You can also reach out to our community or consider hiring one of our verified agencies for assistance.