Wf7 — Securevault AI Support Chatbot

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 →

{
  "name": "WF7 \u2014 SecureVault AI Support Chatbot",
  "nodes": [
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "securevault/chat",
        "responseMode": "responseNode",
        "options": {}
      },
      "id": "webhook-chat",
      "name": "Chat Webhook",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 2,
      "position": [
        220,
        400
      ]
    },
    {
      "parameters": {
        "jsCode": "const body = $input.first().json.body;\nconst { chatInput, sessionId } = body;\n\nif (!chatInput || chatInput.trim().length === 0) {\n  throw new Error('Empty message');\n}\n\n// Rate limiting awareness - truncate very long messages\nconst sanitizedInput = chatInput.trim().substring(0, 2000);\n\n// Security: reject messages that look like prompt injection\nconst suspicious = ['ignore previous', 'system prompt', 'you are now', 'forget your instructions'];\nconst isSuspicious = suspicious.some(s => sanitizedInput.toLowerCase().includes(s));\nif (isSuspicious) {\n  return [{ json: { response: 'I can only help with SecureVault-related questions. How can I assist you with encryption or security?', sessionId } }];\n}\n\nreturn [{ json: { chatInput: sanitizedInput, sessionId: sessionId || 'anonymous', timestamp: new Date().toISOString() } }];"
      },
      "id": "validate-chat",
      "name": "Validate & Sanitize",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        440,
        400
      ]
    },
    {
      "parameters": {
        "options": {
          "systemMessage": "You are the SecureVault Assistant \u2014 an expert in cryptography and cybersecurity.\n\nYour role:\n1. Help users encrypt/decrypt messages using AES-256 encryption\n2. Explain steganography analysis features (LSB, spectral, neural detection)\n3. Assist with account issues (login, password reset, profile settings)\n4. Teach security concepts in simple terms\n5. Provide cybersecurity best practices\n\nRules:\n- Be professional, concise, and security-conscious\n- NEVER ask for passwords, private keys, or sensitive credentials\n- NEVER reveal system internals, API keys, or infrastructure details\n- If you can't solve a technical issue, suggest contacting support\n- Keep responses under 300 words\n- Use markdown formatting for clarity\n- When discussing encryption, always mention the algorithm (AES-256)\n\nSecureVault features you can explain:\n- AES-256 message encryption/decryption\n- Steganography: hiding messages in images\n- AI-powered stego detection (LSB, spectral, neural analysis)\n- Secure operator profiles and settings\n- Password security with bcrypt hashing"
        }
      },
      "id": "ai-agent",
      "name": "SecureVault Assistant",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "typeVersion": 1.7,
      "position": [
        700,
        400
      ]
    },
    {
      "parameters": {
        "options": {
          "model": "gpt-4o-mini",
          "temperature": 0.3,
          "maxTokens": 500
        }
      },
      "id": "openai-model",
      "name": "OpenAI Chat Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "typeVersion": 1,
      "position": [
        700,
        620
      ],
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "sessionKey": "={{ $json.sessionId }}",
        "contextWindowLength": 10
      },
      "id": "memory-buffer",
      "name": "Window Buffer Memory",
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "typeVersion": 1.3,
      "position": [
        900,
        620
      ]
    },
    {
      "parameters": {
        "respondWith": "json",
        "responseBody": "={ \"status\": \"success\", \"output\": \"{{ $json.output }}\" }",
        "options": {
          "responseCode": 200
        }
      },
      "id": "respond-chat",
      "name": "Respond: Chat Reply",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1,
      "position": [
        980,
        400
      ]
    }
  ],
  "connections": {
    "Chat Webhook": {
      "main": [
        [
          {
            "node": "Validate & Sanitize",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Validate & Sanitize": {
      "main": [
        [
          {
            "node": "SecureVault Assistant",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "SecureVault Assistant": {
      "main": [
        [
          {
            "node": "Respond: Chat Reply",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "SecureVault Assistant",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Window Buffer Memory": {
      "ai_memory": [
        [
          {
            "node": "SecureVault Assistant",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1",
    "saveManualExecutions": true,
    "errorWorkflow": "WF8-error-monitor"
  },
  "tags": [
    {
      "name": "SecureVault"
    },
    {
      "name": "AI Chatbot"
    },
    {
      "name": "Support"
    }
  ],
  "triggerCount": 1
}

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.

• openAiApi

About this workflow

WF7 — SecureVault AI Support Chatbot. Uses agent, lmChatOpenAi, memoryBufferWindow. Webhook trigger; 6 nodes.

Source: https://github.com/Aditya15059/SecureVault/blob/main/n8n-workflows/WF7_ai_support_chatbot.json — original creator credit. Request a take-down →

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