AutomationFlowsAI & RAG › AI Assignment SMS Reminder

AI Assignment SMS Reminder

Original n8n title: Assignment SMS Reminder

Assignment SMS Reminder. Uses stickyNote, textSplitterCharacterTextSplitter, embeddingsCohere, vectorStoreWeaviate. Webhook trigger; 12 nodes.

Webhook trigger★★★☆☆ complexityAI-powered12 nodesText Splitter Character Text SplitterCohere EmbeddingsWeaviate Vector StoreTool Vector StoreMemory Buffer WindowOpenAI ChatAgentGoogle Sheets
AI & RAG Trigger: Webhook Nodes: 12 Complexity: ★★★☆☆ AI nodes: yes Added:

This workflow follows the Agent → Cohere Embeddings recipe pattern — see all workflows that pair these two integrations.

The workflow JSON

Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →

Download .json
{
  "name": "Assignment SMS Reminder",
  "nodes": [
    {
      "parameters": {
        "content": "Automated workflow: Assignment SMS Reminder",
        "height": 530,
        "width": 1100,
        "color": 5
      },
      "id": "a7910b7c-92e9-415c-8754-fbed9c8c594f",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        -480,
        -240
      ]
    },
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "assignment-sms-reminder"
      },
      "id": "cf018e3d-4c4e-4977-abc3-8b30defc78ef",
      "name": "Webhook Trigger",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 1,
      "position": [
        -300,
        0
      ]
    },
    {
      "parameters": {
        "chunkSize": 400,
        "chunkOverlap": 40
      },
      "id": "a701aa19-bd4f-4380-9271-2054007eade2",
      "name": "Text Splitter",
      "type": "@n8n/n8n-nodes-langchain.textSplitterCharacterTextSplitter",
      "typeVersion": 1,
      "position": [
        -130,
        0
      ]
    },
    {
      "parameters": {
        "model": "embed-english-v3.0",
        "options": {}
      },
      "id": "209bfd2d-d15c-4906-aaa3-9c47c36ab605",
      "name": "Embeddings",
      "type": "@n8n/n8n-nodes-langchain.embeddingsCohere",
      "typeVersion": 1,
      "position": [
        70,
        0
      ],
      "credentials": {
        "cohereApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "mode": "insert",
        "options": {},
        "indexName": "assignment_sms_reminder"
      },
      "id": "510ebe4d-a02e-40d9-808e-ac83d2299936",
      "name": "Weaviate Insert",
      "type": "@n8n/n8n-nodes-langchain.vectorStoreWeaviate",
      "typeVersion": 1,
      "position": [
        270,
        0
      ],
      "credentials": {
        "weaviateApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "indexName": "assignment_sms_reminder"
      },
      "id": "8fa4a854-9cdf-43f0-97c6-06e491066a27",
      "name": "Weaviate Query",
      "type": "@n8n/n8n-nodes-langchain.vectorStoreWeaviate",
      "typeVersion": 1,
      "position": [
        270,
        -180
      ],
      "credentials": {
        "weaviateApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "name": "Weaviate",
        "description": "Vector context"
      },
      "id": "c5db775c-afc6-4b76-bacc-d592aed4008e",
      "name": "Vector Tool",
      "type": "@n8n/n8n-nodes-langchain.toolVectorStore",
      "typeVersion": 1,
      "position": [
        450,
        -180
      ]
    },
    {
      "parameters": {},
      "id": "b42a0cf0-8115-4af7-8de8-68168e7399ae",
      "name": "Window Memory",
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "typeVersion": 1.3,
      "position": [
        450,
        -40
      ]
    },
    {
      "parameters": {
        "options": {}
      },
      "id": "abab42b5-179b-4929-a876-4664c2fb3869",
      "name": "Chat Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "typeVersion": 1,
      "position": [
        450,
        -340
      ],
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "promptType": "define",
        "text": "Process the following data for task 'Assignment SMS Reminder':\n\n{{ $json }}",
        "options": {
          "systemMessage": "You are an assistant for Assignment SMS Reminder"
        }
      },
      "id": "4773cc72-a7f7-49b5-907b-40c5f726dec9",
      "name": "RAG Agent",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "typeVersion": 1,
      "position": [
        720,
        -40
      ]
    },
    {
      "parameters": {
        "operation": "append",
        "documentId": {
          "__rl": true,
          "value": "SHEET_ID",
          "mode": "list",
          "cachedResultName": "Assignment SMS Reminder"
        },
        "sheetName": {
          "__rl": true,
          "value": "Log",
          "mode": "list",
          "cachedResultName": "Log"
        },
        "columns": {
          "mappingMode": "defineBelow",
          "value": {
            "Status": "={{$json[\"RAG Agent\"].text}}"
          },
          "schema": []
        }
      },
      "id": "b3084b31-648f-4736-8d1b-7ee0de4ebf10",
      "name": "Append Sheet",
      "type": "n8n-nodes-base.googleSheets",
      "typeVersion": 4,
      "position": [
        930,
        -40
      ],
      "credentials": {
        "googleSheetsOAuth2Api": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "channel": "#alerts",
        "text": "Assignment SMS Reminder error: {$json.error.message}"
      },
      "id": "c1059c41-d2d0-47fa-a146-95481e40850f",
      "name": "Slack Alert",
      "type": "n8n-nodes-base.slack",
      "typeVersion": 1,
      "position": [
        930,
        120
      ],
      "credentials": {
        "slackApi": {
          "name": "<your credential>"
        }
      }
    }
  ],
  "connections": {
    "Webhook Trigger": {
      "main": [
        [
          {
            "node": "Text Splitter",
            "type": "main",
            "index": 0
          },
          {
            "node": "Window Memory",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Text Splitter": {
      "main": [
        [
          {
            "node": "Embeddings",
            "type": "main",
            "index": 0
          }
        ]
      ],
      "ai_textSplitter": [
        [
          {
            "node": "Weaviate Insert",
            "type": "ai_textSplitter",
            "index": 0
          }
        ]
      ]
    },
    "Embeddings": {
      "ai_embedding": [
        [
          {
            "node": "Weaviate Insert",
            "type": "ai_embedding",
            "index": 0
          },
          {
            "node": "Weaviate Query",
            "type": "ai_embedding",
            "index": 0
          }
        ]
      ]
    },
    "Weaviate Insert": {
      "ai_document": [
        []
      ]
    },
    "Weaviate Query": {
      "ai_vectorStore": [
        [
          {
            "node": "Vector Tool",
            "type": "ai_vectorStore",
            "index": 0
          }
        ]
      ]
    },
    "Vector Tool": {
      "ai_tool": [
        [
          {
            "node": "RAG Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Window Memory": {
      "ai_memory": [
        [
          {
            "node": "RAG Agent",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    },
    "Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "RAG Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "RAG Agent": {
      "main": [
        [
          {
            "node": "Append Sheet",
            "type": "main",
            "index": 0
          }
        ]
      ],
      "onError": [
        [
          {
            "node": "Slack Alert",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  },
  "triggerCount": 1
}

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About this workflow

Assignment SMS Reminder. Uses stickyNote, textSplitterCharacterTextSplitter, embeddingsCohere, vectorStoreWeaviate. Webhook trigger; 12 nodes.

Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →

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