Créez un Chatbot Web Intelligent avec GPT-4o et Brave Search

Ce workflow n8n vous permet de construire un chatbot intelligent qui intègre les capacités de recherche de Brave Search et la puissance de l'IA GPT-4o. Idéal pour les développeurs et les entreprises cherchant à améliorer l'interaction utilisateur, ce workflow simplifie la gestion des requêtes utilisateurs et l'exécution de recherches ciblées. Profitez d'une intégration fluide des outils MCP pour enrichir vos réponses avec des données pertinentes, augmentant ainsi l'efficacité et la satisfaction client.

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📋 Créez un Chatbot Web Intelligent avec GPT-4o et Brave Search

💡 Description

Ce workflow n8n vous permet de construire un chatbot intelligent qui intègre les capacités de recherche de Brave Search et la puissance de l'IA GPT-4o. Idéal pour les développeurs et les entreprises cherchant à améliorer l'interaction utilisateur, ce workflow simplifie la gestion des requêtes utilisateurs et l'exécution de recherches ciblées. Profitez d'une intégration fluide des outils MCP pour enrichir vos réponses avec des données pertinentes, augmentant ainsi l'efficacité et la satisfaction client.

📈 Impact & ROI: Améliore l'efficacité du service client et réduit le temps de réponse, augmentant ainsi la satisfaction client et potentiellement les ventes.

🚀 Fonctionnalités Clés

  • ✅ Automatisation des interactions - Améliorez l'engagement utilisateur
  • ✅ Intégration AI - Réponses enrichies par GPT-4o
  • ✅ Recherche optimisée - Utilisation des outils MCP
  • ✅ Gestion mémoire - Conservation du contexte conversationnel

📊 Architecture Technique

15
Nodes
5
Connexions
4
Services

🔌 Services Intégrés

n8nOpenAIMCP Client ToolsBrave Search

🔧 Composition du Workflow

NodeTypeDescription
AI Agent@n8n/n8n-nodes-langchain.agentTraitement des données
When chat message received@n8n/n8n-nodes-langchain.chatTriggerTraitement des données
MCP Get Brave Toolsn8n-nodes-mcp.mcpClientToolTraitement des données
MCP Execute Brave Searchn8n-nodes-mcp.mcpClientToolTraitement des données
Simple Memory@n8n/n8n-nodes-langchain.memoryBufferWindowTraitement des données
gpt-4o@n8n/n8n-nodes-langchain.lmChatOpenAiTraitement des données
Sticky NotestickyNoteTraitement des données
Sticky Note3stickyNoteTraitement des données
Sticky Note4stickyNoteTraitement des données
Sticky Note5stickyNoteTraitement des données
Sticky Note6stickyNoteTraitement des données
Sticky Note7stickyNoteTraitement des données
Sticky Note8stickyNoteTraitement des données
Sticky Note1stickyNoteTraitement des données
Sticky Note2stickyNoteTraitement des données

📖 Guide d'Implémentation

  1. Import du workflow: Téléchargez le fichier JSON et importez-le dans votre instance n8n
  2. Configuration des credentials: Configurez les accès pour chaque service utilisé
  3. Personnalisation: Adaptez les paramètres selon vos besoins spécifiques
  4. Test: Exécutez le workflow en mode test pour vérifier le bon fonctionnement
  5. Activation: Activez le workflow pour une exécution automatique

🏷️ Tags

chatbotintelligence artificielleBrave Search

Structure JSON

Voir le code JSON complet
{
    "id": "6MRJ2tfl8c2f3AuE",
    "meta": {
        "instanceId": "31e69f7f4a77bf465b805824e303232f0227212ae922d12133a0f96ffeab4fef"
    },
    "name": "💥🛠️Build a Web Search Chatbot with GPT-4o and MCP Brave Search",
    "tags": [],
    "nodes": [
        {
            "id": "b6e5eaa8-ddb3-4c13-8069-ce360bf4a945",
            "name": "AI Agent",
            "type": "@n8n\/n8n-nodes-langchain.agent",
            "position": [
                240,
                -180
            ],
            "parameters": {
                "options": []
            },
            "typeVersion": 1.8
        },
        {
            "id": "dde0154e-f7c2-4778-abcc-f79406db5e6b",
            "name": "When chat message received",
            "type": "@n8n\/n8n-nodes-langchain.chatTrigger",
            "position": [
                -260,
                -180
            ],
            "webhookId": "68e54e15-548a-44df-ad06-7fb9e4e912a9",
            "parameters": {
                "options": []
            },
            "typeVersion": 1.1
        },
        {
            "id": "877ce640-4d08-4ba7-b1d3-bcfc79600d2c",
            "name": "MCP Get Brave Tools",
            "type": "n8n-nodes-mcp.mcpClientTool",
            "position": [
                200,
                280
            ],
            "parameters": [],
            "credentials": {
                "mcpClientApi": {
                    "id": "t2IDYWq0EcqBWvMA",
                    "name": "MCP Client (STDIO) account 2"
                }
            },
            "typeVersion": 1
        },
        {
            "id": "fb3ce3c2-a809-43e5-92d0-82db0d78a971",
            "name": "MCP Execute Brave Search",
            "type": "n8n-nodes-mcp.mcpClientTool",
            "position": [
                460,
                280
            ],
            "parameters": {
                "toolName": "={{ $fromAI('tool', 'Set this with the specific tool name') }}",
                "operation": "executeTool",
                "toolParameters": "={{ \/*n8n-auto-generated-fromAI-override*\/ $fromAI('Tool_Parameters', ``, 'json') }}"
            },
            "credentials": {
                "mcpClientApi": {
                    "id": "t2IDYWq0EcqBWvMA",
                    "name": "MCP Client (STDIO) account 2"
                }
            },
            "typeVersion": 1
        },
        {
            "id": "357bde6a-66d0-48dc-972d-d0b35e3868ed",
            "name": "Simple Memory",
            "type": "@n8n\/n8n-nodes-langchain.memoryBufferWindow",
            "position": [
                -120,
                280
            ],
            "parameters": [],
            "typeVersion": 1.3
        },
        {
            "id": "3eba14c5-e4ed-4c4f-8f1d-2b5671b462cc",
            "name": "gpt-4o",
            "type": "@n8n\/n8n-nodes-langchain.lmChatOpenAi",
            "position": [
                -380,
                280
            ],
            "parameters": {
                "model": {
                    "__rl": true,
                    "mode": "list",
                    "value": "gpt-4o",
                    "cachedResultName": "gpt-4o"
                },
                "options": []
            },
            "credentials": {
                "openAiApi": {
                    "id": "jEMSvKmtYfzAkhe6",
                    "name": "OpenAi account"
                }
            },
            "typeVersion": 1.2
        },
        {
            "id": "781e5d92-6e9d-4874-93fc-5ea17d11f67f",
            "name": "Sticky Note",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                120,
                160
            ],
            "parameters": {
                "color": 4,
                "height": 280,
                "content": "## 1️⃣ MCP Get Brave Tools"
            },
            "typeVersion": 1
        },
        {
            "id": "78a52697-352f-47ed-a7d2-3a65c9641fd7",
            "name": "Sticky Note3",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                380,
                160
            ],
            "parameters": {
                "color": 4,
                "height": 280,
                "content": "## 2️⃣ MCP Execute Brave Search"
            },
            "typeVersion": 1
        },
        {
            "id": "876003d5-7d90-4865-af36-3c0e504b02e7",
            "name": "Sticky Note4",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                -200,
                160
            ],
            "parameters": {
                "color": 3,
                "height": 280,
                "content": "## Short Term Chat Memory"
            },
            "typeVersion": 1
        },
        {
            "id": "9f64f499-73d7-414f-a3d3-02c0417368a6",
            "name": "Sticky Note5",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                -460,
                160
            ],
            "parameters": {
                "color": 5,
                "height": 280,
                "content": "## Cloud LLM"
            },
            "typeVersion": 1
        },
        {
            "id": "fc423452-832c-4377-9bde-04ab6d5c89aa",
            "name": "Sticky Note6",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                -500,
                -400
            ],
            "parameters": {
                "color": 7,
                "width": 1200,
                "height": 920,
                "content": "# 💥🛠️Your First Simple MCP AI Chatbot using Brave Search\nhttps:\/\/github.com\/nerding-io\/n8n-nodes-mcp\nhttps:\/\/brave.com\/search\/api\/"
            },
            "typeVersion": 1
        },
        {
            "id": "5c6c7307-3283-4698-9104-c80df8a62888",
            "name": "Sticky Note7",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                80,
                40
            ],
            "parameters": {
                "width": 580,
                "height": 440,
                "content": "## 🛠️ MCP Toolbox\nhttps:\/\/github.com\/nerding-io\/n8n-nodes-mcp\nhttps:\/\/brave.com\/search\/api\/"
            },
            "typeVersion": 1
        },
        {
            "id": "9d1bb515-f8fa-4d48-bbf5-c083f5efd89d",
            "name": "Sticky Note8",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                -360,
                -240
            ],
            "parameters": {
                "color": 4,
                "width": 300,
                "height": 240,
                "content": "## 👍Try Me!"
            },
            "typeVersion": 1
        },
        {
            "id": "b093a455-aee7-4822-b079-7d9cbac783c2",
            "name": "Sticky Note1",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                -1060,
                -400
            ],
            "parameters": {
                "width": 520,
                "height": 1040,
                "content": "### **Who is this for?**\nThis workflow is ideal for developers, automation enthusiasts, and businesses looking to integrate AI-powered chat capabilities into their workflows. It's particularly useful for those leveraging Brave Search and MCP tools to enhance user interactions and streamline data retrieval.\n\n### **What problem is this workflow solving?**\nThis workflow addresses the challenge of creating an intelligent chatbot that can process user queries, execute searches using Brave Search, and provide responses enriched by AI. It simplifies the integration of multiple tools into a cohesive system, saving time and effort for users who need a robust conversational AI solution.\n\n### **What this workflow does**\n- Listens for incoming chat messages using the **Chat Trigger** node.\n- Processes user input with an **AI Agent** powered by GPT-4o.\n- Retrieves relevant tools using the **MCP Get Brave Tools** node.\n- Executes specific search queries via the **MCP Execute Brave Search** node.\n- Maintains short-term memory of conversations with the **Simple Memory** node.\n\n### **Setup**\n1. **Prerequisites**:\n   - Access to an n8n instance (self-hosted).\n   - API credentials for OpenAI and MCP Client Tools.\n   - Brave Search API key.\n\n2. **Steps**:\n   - Import the workflow JSON into your n8n instance.\n   - Configure the API credentials for OpenAI and MCP Client Tools in their respective nodes.\n   - Set up your Brave Search API key in the MCP nodes. https:\/\/brave.com\/search\/api\/\n\n3. **Testing**:\n   - Use the built-in chat interface to send test messages.\n   - Verify that the chatbot processes queries and returns results as expected.\n\n### **How to customize this workflow to your needs**\n- Modify the AI Agent's prompt settings to tailor responses to your specific use case.\n- Adjust the memory buffer in the Simple Memory node to retain more or less conversational context.\n- Replace or add additional tools in the MCP nodes to expand functionality.\n"
            },
            "typeVersion": 1
        },
        {
            "id": "8fb4f215-da26-43ad-b187-9b52ed6485ba",
            "name": "Sticky Note2",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                80,
                -280
            ],
            "parameters": {
                "width": 580,
                "height": 280,
                "content": "## 🤖 AI Agent with Tools"
            },
            "typeVersion": 1
        }
    ],
    "active": false,
    "pinData": [],
    "settings": {
        "executionOrder": "v1"
    },
    "versionId": "a555f325-abd3-44bd-ac48-8b0f6910824e",
    "connections": {
        "gpt-4o": {
            "ai_languageModel": [
                [
                    {
                        "node": "AI Agent",
                        "type": "ai_languageModel",
                        "index": 0
                    }
                ]
            ]
        },
        "Simple Memory": {
            "ai_memory": [
                [
                    {
                        "node": "AI Agent",
                        "type": "ai_memory",
                        "index": 0
                    }
                ]
            ]
        },
        "MCP Get Brave Tools": {
            "ai_tool": [
                [
                    {
                        "node": "AI Agent",
                        "type": "ai_tool",
                        "index": 0
                    }
                ]
            ]
        },
        "MCP Execute Brave Search": {
            "ai_tool": [
                [
                    {
                        "node": "AI Agent",
                        "type": "ai_tool",
                        "index": 0
                    }
                ]
            ]
        },
        "When chat message received": {
            "main": [
                [
                    {
                        "node": "AI Agent",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        }
    }
}
                                

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