Ollama Echo

The workflow JSON

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{
  "name": "Ollama Echo",
  "nodes": [
    {
      "parameters": {
        "updates": [
          "message"
        ],
        "additionalFields": {}
      },
      "type": "n8n-nodes-base.telegramTrigger",
      "typeVersion": 1.2,
      "position": [
        -176,
        0
      ],
      "id": "ff1571a8-70ab-4946-ba3a-876b0144d71e",
      "name": "Telegram Trigger",
      "credentials": {
        "telegramApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "method": "POST",
        "url": "http://ollama:11434/api/generate",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "Content-Type",
              "value": "application/json"
            }
          ]
        },
        "sendBody": true,
        "bodyParameters": {
          "parameters": [
            {
              "name": "model",
              "value": "={{ $('Filter').item.json.message.text.match(/\\bmodel:\\s*([a-z0-9_.:-]+)/i) ? $('Filter').item.json.message.text.match(/\\bmodel:\\s*([a-z0-9_.:-]+)/i)[1] : 'llama3.2:3b' }}"
            },
            {
              "name": "prompt",
              "value": "={{ $('Filter').item.json.message.text.replaceAll(/\\bmodel:\\s*([a-z0-9_.:-]+)/ig, '') }}"
            },
            {
              "name": "stream",
              "value": false
            }
          ]
        },
        "options": {
          "timeout": 3600000
        }
      },
      "id": "50faff3a-9a9f-4e9b-8092-b0039f62201c",
      "name": "Summarise Email with LLM",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        416,
        0
      ]
    },
    {
      "parameters": {
        "chatId": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
        "text": "=\ud83d\udcca *LLM Run Metrics*\n\n\u2022 Model: {{ $json.model || 'n/a' }}\n\n\u2022 Total time: {{ $json.total_duration ? ($json.total_duration/1e9).toFixed(2) : 'n/a' }} s\n\u2022 Load time: {{ $json.load_duration ? ($json.load_duration/1e9).toFixed(2) : 'n/a' }} s\n\u2022 Load share: {{ ($json.load_duration && $json.total_duration) ? (($json.load_duration/$json.total_duration)*100).toFixed(1) : 'n/a' }}%\n\n\u2022 Prompt tokens: {{ $json.prompt_eval_count ?? 'n/a' }}\n\u2022 Prompt time: {{ $json.prompt_eval_duration ? ($json.prompt_eval_duration/1e9).toFixed(2) : 'n/a' }} s\n\u2022 Prompt TPS: {{ ($json.prompt_eval_count && $json.prompt_eval_duration) ? ($json.prompt_eval_count / ($json.prompt_eval_duration/1e9)).toFixed(2) : 'n/a' }} tok/s\n\u2022 Prompt ms/token: {{ ($json.prompt_eval_count && $json.prompt_eval_duration) ? (($json.prompt_eval_duration/$json.prompt_eval_count)/1e6).toFixed(1) : 'n/a' }} ms\n\n{{ ($json.eval_count ? '\u2022 Output tokens: ' + $json.eval_count : '') }}\n{{ ($json.eval_duration ? '\u2022 Output time: ' + ($json.eval_duration/1e9).toFixed(2) + ' s' : '') }}\n{{ ($json.eval_count && $json.eval_duration ? '\u2022 Output TPS: ' + ($json.eval_count/($json.eval_duration/1e9)).toFixed(2) + ' tok/s' : '') }}\n{{ ($json.eval_count && $json.eval_duration ? '\u2022 Output ms/token: ' + (($json.eval_duration/$json.eval_count)/1e6).toFixed(1) + ' ms' : '') }}\n\n\u2022 End-to-end TPS: {{ ($json.total_duration && (($json.prompt_eval_count||0)+($json.eval_count||0))) ? (((($json.prompt_eval_count||0)+($json.eval_count||0))/($json.total_duration/1e9)).toFixed(2)) : 'n/a' }} tok/s\n\u2022 IO token ratio (out/in): {{ ($json.eval_count && $json.prompt_eval_count) ? ($json.eval_count/$json.prompt_eval_count).toFixed(2) : 'n/a' }}\n\n\u2014 \u2014 \u2014\n*Response:*\n{{ $json.response || '' }}",
        "additionalFields": {
          "appendAttribution": false
        }
      },
      "type": "n8n-nodes-base.telegram",
      "typeVersion": 1.2,
      "position": [
        592,
        0
      ],
      "id": "8c2d2433-d49a-4a42-8258-727f3d95fde7",
      "name": "Send a text message",
      "credentials": {
        "telegramApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": true,
            "leftValue": "",
            "typeValidation": "strict",
            "version": 2
          },
          "conditions": [
            {
              "id": "08f16a72-a433-44f5-9fdc-a9f9eb978070",
              "leftValue": "={{ $json.message.from.username }}",
              "rightValue": "dbr0vskyi",
              "operator": {
                "type": "string",
                "operation": "equals",
                "name": "filter.operator.equals"
              }
            },
            {
              "id": "47af75e1-8116-4b57-ba90-1127f47bbf5e",
              "leftValue": "={{ $json.message.text }}",
              "rightValue": "Starting processing message",
              "operator": {
                "type": "string",
                "operation": "notStartsWith"
              }
            }
          ],
          "combinator": "and"
        },
        "options": {}
      },
      "type": "n8n-nodes-base.filter",
      "typeVersion": 2.2,
      "position": [
        32,
        0
      ],
      "id": "6c740057-6b2f-443f-8995-a16fdb099055",
      "name": "Filter"
    },
    {
      "parameters": {
        "chatId": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
        "text": "=Starting processing message \"{{ $json.message.text.slice(0, 20) }}...\" (raw)",
        "additionalFields": {
          "appendAttribution": false
        }
      },
      "type": "n8n-nodes-base.telegram",
      "typeVersion": 1.2,
      "position": [
        224,
        0
      ],
      "id": "107b2bd4-2b56-4a60-acbd-e980489745be",
      "name": "Send a text message1",
      "credentials": {
        "telegramApi": {
          "name": "<your credential>"
        }
      }
    }
  ],
  "connections": {
    "Telegram Trigger": {
      "main": [
        [
          {
            "node": "Filter",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Summarise Email with LLM": {
      "main": [
        [
          {
            "node": "Send a text message",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Send a text message": {
      "main": [
        []
      ]
    },
    "Filter": {
      "main": [
        [
          {
            "node": "Send a text message1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Send a text message1": {
      "main": [
        [
          {
            "node": "Summarise Email with LLM",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": true,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "61d865bd-81ad-4bac-b1ca-4e720ee4e914",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "id": "QpxLQCHMDRprWZQg",
  "tags": []
}

Credentials you'll need

Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.

• telegramApi

About this workflow

Ollama Echo. Uses telegramTrigger, httpRequest, telegram. Event-driven trigger; 5 nodes.

Source: https://github.com/dbr0vskyi/homelab-stack/blob/de22bfe23d572a79a0f40f0bd181fd99fd2e039e/workflows/ollama-echo.json — original creator credit. Request a take-down →

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