AutomationFlowsAI & RAG › Ejemplo

Ejemplo

Ejemplo. Uses chatTrigger, httpRequest, chainLlm, lmChatOpenAi. Chat trigger; 19 nodes.

Chat trigger trigger★★★★☆ complexityAI-powered19 nodesChat TriggerHTTP RequestChain LlmOpenAI ChatOpenAIAirtableAgentMemory Buffer Window
AI & RAG Trigger: Chat trigger Nodes: 19 Complexity: ★★★★☆ AI nodes: yes Added:

This workflow follows the Agent → Airtable 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
{
  "active": false,
  "activeVersion": null,
  "activeVersionId": null,
  "connections": {
    "When chat message received": {
      "main": [
        [
          {
            "node": "Code in JavaScript",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Code in JavaScript": {
      "main": [
        [
          {
            "node": "HTTP Request",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "HTTP Request": {
      "main": [
        [
          {
            "node": "Code in JavaScript1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Code in JavaScript1": {
      "main": [
        [
          {
            "node": "Code in JavaScript2",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Code in JavaScript2": {
      "main": [
        [
          {
            "node": "Basic LLM Chain",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "Basic LLM Chain",
            "type": "ai_languageModel",
            "index": 0
          },
          {
            "node": "Basic LLM Chain1",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Basic LLM Chain": {
      "main": [
        [
          {
            "node": "Basic LLM Chain1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Basic LLM Chain1": {
      "main": [
        [
          {
            "node": "Message a model",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Message a model": {
      "main": [
        [
          {
            "node": "Split Out",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Split Out": {
      "main": [
        [
          {
            "node": "Message a model1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Message a model1": {
      "main": [
        [
          {
            "node": "Switch",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Switch": {
      "main": [
        [
          {
            "node": "Limit",
            "type": "main",
            "index": 0
          },
          {
            "node": "Merge",
            "type": "main",
            "index": 1
          }
        ]
      ]
    },
    "Limit": {
      "main": [
        [
          {
            "node": "Search records",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Search records": {
      "main": [
        [
          {
            "node": "Aggregate",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Merge": {
      "main": [
        [
          {
            "node": "AI Agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Aggregate": {
      "main": [
        [
          {
            "node": "Merge",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Chat Model1": {
      "ai_languageModel": [
        [
          {
            "node": "AI Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Simple Memory": {
      "ai_memory": [
        [
          {
            "node": "AI Agent",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    }
  },
  "createdAt": "2025-10-23T22:17:16.563Z",
  "id": "tFXRsvO2ijW5MFZa",
  "isArchived": true,
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "name": "Ejemplo",
  "nodes": [
    {
      "parameters": {
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "typeVersion": 1.4,
      "position": [
        -176,
        16
      ],
      "id": "7220348a-549b-4baf-9101-c04ee167930b",
      "name": "When chat message received"
    },
    {
      "parameters": {
        "jsCode": "// Loop over input items and add a new field called 'myNewField' to the JSON of each one\nfor (const item of $input.all()) {\n  item.json.myNewField = 1;\n}\n\nreturn $input.all();"
      },
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        -32,
        -96
      ],
      "id": "1ebcd616-f2de-4f0c-ad1b-a92b222b3d16",
      "name": "Code in JavaScript"
    },
    {
      "parameters": {
        "options": {}
      },
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.4,
      "position": [
        128,
        0
      ],
      "id": "ce09277c-5e53-450c-94aa-dfa79cafb217",
      "name": "HTTP Request"
    },
    {
      "parameters": {
        "jsCode": "// Loop over input items and add a new field called 'myNewField' to the JSON of each one\nfor (const item of $input.all()) {\n  item.json.myNewField = 1;\n}\n\nreturn $input.all();"
      },
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        272,
        -96
      ],
      "id": "336ca915-7aa9-45db-907d-0334b6f1770f",
      "name": "Code in JavaScript1"
    },
    {
      "parameters": {
        "jsCode": "// Loop over input items and add a new field called 'myNewField' to the JSON of each one\nfor (const item of $input.all()) {\n  item.json.myNewField = 1;\n}\n\nreturn $input.all();"
      },
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        432,
        16
      ],
      "id": "b66d6105-64cd-4624-a851-5dd04e7a5865",
      "name": "Code in JavaScript2"
    },
    {
      "parameters": {
        "batching": {}
      },
      "type": "@n8n/n8n-nodes-langchain.chainLlm",
      "typeVersion": 1.9,
      "position": [
        640,
        16
      ],
      "id": "1699824c-eb15-46ad-8e9c-9d5b6bd8f39e",
      "name": "Basic LLM Chain"
    },
    {
      "parameters": {
        "model": {
          "__rl": true,
          "value": "gpt-4o-mini",
          "mode": "list",
          "cachedResultName": "gpt-4o-mini"
        },
        "builtInTools": {},
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "typeVersion": 1.3,
      "position": [
        960,
        288
      ],
      "id": "94ab5cfd-4d43-456c-af40-04a68ea09d78",
      "name": "OpenAI Chat Model",
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "batching": {}
      },
      "type": "@n8n/n8n-nodes-langchain.chainLlm",
      "typeVersion": 1.9,
      "position": [
        1120,
        32
      ],
      "id": "a52716e4-b3a6-4536-9afb-9ff9d1a0dab2",
      "name": "Basic LLM Chain1"
    },
    {
      "parameters": {
        "modelId": {
          "__rl": true,
          "mode": "list",
          "value": ""
        },
        "responses": {
          "values": [
            {}
          ]
        },
        "builtInTools": {},
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.openAi",
      "typeVersion": 2.1,
      "position": [
        1472,
        32
      ],
      "id": "a074fdc6-6c64-4e04-a2a9-c653c08beda9",
      "name": "Message a model",
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "options": {}
      },
      "type": "n8n-nodes-base.splitOut",
      "typeVersion": 1,
      "position": [
        1824,
        32
      ],
      "id": "bd659f98-1bd8-4a3d-bab9-dae77e353998",
      "name": "Split Out"
    },
    {
      "parameters": {
        "modelId": {
          "__rl": true,
          "mode": "list",
          "value": ""
        },
        "responses": {
          "values": [
            {}
          ]
        },
        "builtInTools": {},
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.openAi",
      "typeVersion": 2.1,
      "position": [
        2032,
        32
      ],
      "id": "e569ce73-a375-4ab0-a8bf-1ae9bc0b2e2a",
      "name": "Message a model1",
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "rules": {
          "values": [
            {
              "conditions": {
                "options": {
                  "caseSensitive": true,
                  "leftValue": "",
                  "typeValidation": "strict",
                  "version": 3
                },
                "conditions": [
                  {
                    "leftValue": "",
                    "rightValue": "",
                    "operator": {
                      "type": "string",
                      "operation": "equals"
                    },
                    "id": "db066af7-3b32-4f3b-8643-8ca55c9e4d77"
                  }
                ],
                "combinator": "and"
              }
            }
          ]
        },
        "options": {}
      },
      "type": "n8n-nodes-base.switch",
      "typeVersion": 3.4,
      "position": [
        2384,
        32
      ],
      "id": "a98081a8-821b-4149-a1d7-2a90a24d0ee8",
      "name": "Switch"
    },
    {
      "parameters": {},
      "type": "n8n-nodes-base.limit",
      "typeVersion": 1,
      "position": [
        2544,
        -80
      ],
      "id": "9727278b-05c1-4964-9027-20179ee3beb1",
      "name": "Limit"
    },
    {
      "parameters": {
        "operation": "search",
        "base": {
          "__rl": true,
          "mode": "list",
          "value": ""
        },
        "table": {
          "__rl": true,
          "mode": "list",
          "value": ""
        },
        "options": {}
      },
      "type": "n8n-nodes-base.airtable",
      "typeVersion": 2.1,
      "position": [
        2704,
        -160
      ],
      "id": "35e8ba76-e9c0-4234-bed3-40222275bdb6",
      "name": "Search records",
      "credentials": {
        "airtableTokenApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "fieldsToAggregate": {
          "fieldToAggregate": [
            {}
          ]
        },
        "options": {}
      },
      "type": "n8n-nodes-base.aggregate",
      "typeVersion": 1,
      "position": [
        2848,
        -96
      ],
      "id": "5260b748-8688-478f-9684-741f55fc8d13",
      "name": "Aggregate"
    },
    {
      "parameters": {},
      "type": "n8n-nodes-base.merge",
      "typeVersion": 3.2,
      "position": [
        2720,
        144
      ],
      "id": "ef2b0e8b-8841-42e2-9d77-64140f73d12b",
      "name": "Merge"
    },
    {
      "parameters": {
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.agent",
      "typeVersion": 3.1,
      "position": [
        2928,
        144
      ],
      "id": "93e2af73-1a34-445b-8c88-69a943e23d23",
      "name": "AI Agent"
    },
    {
      "parameters": {
        "model": {
          "__rl": true,
          "value": "gpt-4o",
          "mode": "list",
          "cachedResultName": "gpt-4o"
        },
        "builtInTools": {},
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "typeVersion": 1.3,
      "position": [
        2880,
        368
      ],
      "id": "ab1760f5-c495-4abd-9384-268a39b7b7c9",
      "name": "OpenAI Chat Model1",
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {},
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "typeVersion": 1.3,
      "position": [
        3008,
        384
      ],
      "id": "89a122e1-2278-476b-b6b2-1368fbc9c8e0",
      "name": "Simple Memory"
    }
  ],
  "settings": {
    "executionOrder": "v1"
  },
  "shared": [
    {
      "updatedAt": "2025-10-23T22:17:16.574Z",
      "createdAt": "2025-10-23T22:17:16.574Z",
      "role": "workflow:owner",
      "workflowId": "tFXRsvO2ijW5MFZa",
      "projectId": "u2lnFFYk1yGEaOcS"
    }
  ],
  "staticData": null,
  "tags": [],
  "triggerCount": 0,
  "updatedAt": "2026-03-18T21:15:57.000Z",
  "versionId": "f209b61a-930c-4cec-ac70-790ddd3973f7"
}

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About this workflow

Ejemplo. Uses chatTrigger, httpRequest, chainLlm, lmChatOpenAi. Chat trigger; 19 nodes.

Source: https://github.com/silvasJu/SERVER/blob/c0acc8daf66b5f007efced5eeeb45bb6125030aa/workflows/Ejemplo.json — original creator credit. Request a take-down →

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