{"workflow":{"id":12907,"name":"Qualify leads from Gemini chat to Google Sheets and Slack with self-optimization","views":34,"recentViews":0,"totalViews":34,"createdAt":"2026-01-22T10:55:30.890Z","description":"## Who is this for?\nThis workflow is designed for **growth agencies, SaaS founders, and sales teams** who want to move beyond static lead forms. It is ideal for those who need a **\"living\" system** that not only captures leads but also provides immediate value through **AI-generated strategies** and evolves based on performance data.\n\n## How it works\nThe template operates in **two distinct phases**:\n\n- **The Lead Engine**: A user interacts with a chat bubble. A Gemini-powered agent conversationally qualifies the lead (Name, Industry, Budget). A custom JavaScript node ensures data integrity before an \"AI Council\" node generates three industry-specific growth tactics. High-value leads are then routed to Slack and logged in Google Sheets.\n\n- **The Self-Optimization Loop**: A scheduled trigger audits lead data in Google Sheets daily. It uses Gemini to identify friction points and sends a \"System Audit\" report to Slack, suggesting prompt improvements to increase conversion rates.\n\n## How to set up\n- **Credentials**: Connect your Google Gemini (API Key), Google Sheets (OAuth2), and Slack (OAuth2) accounts.\n- **Google Sheets**: Create a spreadsheet with headers: Lead, Suggestion, and Status. Copy the Spreadsheet ID into the Google Sheets nodes. \n- **Slack**: Invite your n8n bot to a specific channel (e.g., /invite @n8n) and select that channel in the Slack nodes.\n- **Memory**: Ensure the Window Buffer Memory node is connected to the AI Agent to maintain conversation state.\n\n## Requirements\n1. Google AI (Gemini) API Key.\n2. Google Sheets for data logging.\n3. Slack for real-time notifications.\n4. n8n version 1.0+ (supporting AI Agent nodes).\n\n## How to customize\n1. **Scoring Logic:** Adjust the Scoring Logic code node to change what constitutes a \"Hot\" lead.\n2. **AI Strategist:** Modify the prompt in the AI Council: Strategist node to provide different types of value (e.g., free audits instead of growth tactics).","workflow":{"meta":{"templateCredsSetupCompleted":true},"name":"Qualify AI chat to Google Sheets and Slack with self-optimization","nodes":[{"id":"46451b10-ea57-483d-a07f-82ce9d7ce043","name":"Chat Logic Brain","type":"@n8n/n8n-nodes-langchain.lmChatGoogleGemini","position":[-672,400],"parameters":{"options":{},"modelName":"models/gemini-1.5-flash"},"typeVersion":1},{"id":"3ae26212-48b8-436a-9be0-3b697d9c461c","name":"Scoring Logic","type":"n8n-nodes-base.code","position":[-688,128],"parameters":{"jsCode":"// Get the output directly from the \"Extract Lead State\" node\nconst data = $node[\"Extract Lead State\"].json;\n\nreturn {\n  ...data,\n  score: data.budget > 10000 ? 80 : 30,\n  isHot: data.budget > 10000\n};"},"typeVersion":2},{"id":"75180d9a-bb6c-4621-8edd-30e1a1e02b05","name":"AI Council: Strategist","type":"@n8n/n8n-nodes-langchain.chainLlm","position":[-528,128],"parameters":{"text":"=As an AI Strategist, suggest 3 growth tactics for a company in the {{$json.industry}} industry with a budget of ${{$json.budget}}. Keep it concise.","promptType":"define","hasOutputParser":true},"typeVersion":1.4},{"id":"f7ff1666-0bca-4eb1-90a8-1f9cbc7529aa","name":"Is High ROI?","type":"n8n-nodes-base.if","position":[-256,128],"parameters":{"options":{},"conditions":{"options":{"version":1,"leftValue":"","caseSensitive":true,"typeValidation":"strict"},"combinator":"and","conditions":[{"id":"7b8c9d0e","operator":{"type":"boolean","operation":"true","singleValue":true},"leftValue":"={{ $('Scoring Logic').item.json.isHot }}","rightValue":"true"}]}},"typeVersion":2},{"id":"141964e7-9f38-48c1-932f-d7985b764d3c","name":"Log Lead to Spreadsheet","type":"n8n-nodes-base.googleSheets","position":[0,160],"parameters":{"columns":{"value":{"Lead":"=Name: {{ $('Extract Lead State').item.json.name }}\\nIndustry: {{ $('Extract Lead State').item.json.industry }}\\nBudget: {{ $('Extract Lead State').item.json.budget }}","Suggestion":"={{ $json.text }}"},"mappingMode":"defineBelow"},"operation":"append","sheetName":{"__rl":true,"mode":"name","value":"Sheet1"},"documentId":{"__rl":true,"mode":"id","value":"[YOUR_GOOGLE_SHEET_ID]"}},"typeVersion":4.5},{"id":"2c06119e-9188-43f8-bbec-25d85a3bdd6e","name":"Chat Session Memory","type":"@n8n/n8n-nodes-langchain.memoryBufferWindow","position":[-1328,288],"parameters":{"contextWindowLength":4},"typeVersion":1.3},{"id":"785ae002-59ec-4e23-b852-8e1f60d2cf42","name":"Log Strategy to Backup","type":"n8n-nodes-base.googleSheets","position":[0,368],"parameters":{"columns":{"value":{"Lead":"=Name: {{ $('Extract Lead State').item.json.name }}\\nIndustry: {{ $('Extract Lead State').item.json.industry }}\\nBudget: {{ $('Extract Lead State').item.json.budget }}","Suggestion":"={{ $json.text }}"},"mappingMode":"defineBelow"},"operation":"append","sheetName":{"__rl":true,"mode":"name","value":"Sheet2"},"documentId":{"__rl":true,"mode":"id","value":"[YOUR_GOOGLE_SHEET_ID]"}},"typeVersion":4.5},{"id":"216335ad-32bc-4d6c-8af1-a78e85b20dca","name":"Notify Sales of Hot Lead","type":"n8n-nodes-base.slack","position":[0,0],"parameters":{"text":"=New High-Priority Lead: {{ $('Extract Lead State').item.json.name }}. Council Status: {{ $('AI Council: Strategist').item.json.text }}.","select":"channel","channelId":{"__rl":true,"mode":"id","value":"[YOUR_SLACK_CHANNEL_ID]"},"otherOptions":{"mrkdwn":false}},"typeVersion":2.4},{"id":"82b7adfe-03f2-4017-9f20-8d4685b5af64","name":"Main Instructions","type":"n8n-nodes-base.stickyNote","position":[-2080,-96],"parameters":{"width":528,"height":672,"content":"How it works\nThe template operates in two distinct phases:\n\nThe Lead Engine: A user interacts with a chat bubble. A Gemini-powered agent conversationally qualifies the lead (Name, Industry, Budget). A custom JavaScript node ensures data integrity before an \"AI Council\" node generates three industry-specific growth tactics. High-value leads are then routed to Slack and logged in Google Sheets.\nThe Self-Optimization Loop: A scheduled trigger audits lead data in Google Sheets daily. It uses Gemini to identify friction points and sends a \"System Audit\" report to Slack, suggesting prompt improvements to increase conversion rates.\n\nHow to set up\nCredentials: Connect your Google Gemini (API Key), Google Sheets (OAuth2), and Slack (OAuth2) accounts.\nGoogle Sheets: Create a spreadsheet with headers: Lead, Suggestion, and Status. Copy the Spreadsheet ID into the Google Sheets nodes.\nSlack: Invite your n8n bot to a specific channel (e.g., /invite @n8n) and select that channel in the Slack nodes.\nMemory: Ensure the Window Buffer Memory node is connected to the AI Agent to maintain conversation state.\n\nRequirements\nGoogle AI (Gemini) API Key.\nGoogle Sheets for data logging.\nSlack for real-time notifications.\nn8n version 1.0+ (supporting AI Agent nodes).\n\nHow to customize\nScoring Logic: Adjust the Scoring Logic code node to change what constitutes a \"Hot\" lead (currently set to a budget > $10,000).\nAI Strategist: Modify the prompt in the AI Council: Strategist node to provide different types of value (e.g., free audits instead of growth tactics)."},"typeVersion":1},{"id":"929cecbd-c42c-4cdf-b9ee-5466a6f9ec50","name":"Lead Chat Trigger","type":"@n8n/n8n-nodes-langchain.chatTrigger","position":[-1488,128],"parameters":{"public":true,"options":{}},"typeVersion":1.4},{"id":"0a97b388-c0b2-472a-98d1-da8d3e98981e","name":"Qualify Lead Conversationally","type":"@n8n/n8n-nodes-langchain.agent","position":[-1312,128],"parameters":{"options":{"systemMessage":"You are a Lead Qualifier. Your goal is to find the user's Name, Industry, and Budget. Instructions: Look at the chat history. If you already know a piece of info, do not ask for it again. CRITICAL: Every time you reply, you must include a hidden JSON block at the end of your message. Format: { 'name': '...', 'industry': '...', 'budget': ... }"}},"typeVersion":1.7},{"id":"4cb94e2b-cad6-449a-a10f-059771d075b7","name":"Extract Lead State","type":"n8n-nodes-base.code","position":[-1008,128],"parameters":{"jsCode":"// Extract JSON data from AI output\\nconst rawOutput = $node[\"Qualify Lead Conversationally\"].json.output || \"\";\\nlet state = { name: \"unknown\", industry: \"unknown\", budget: 0, isReady: false };\\ntry {\\n  const jsonMatch = rawOutput.match(/\\{[\\s\\S]*\\}/);\\n  if (jsonMatch) {\\n    let jsonString = jsonMatch[0].replace(/'/g, '\"');\\n    const newData = JSON.parse(jsonString);\\n    state.name = newData.name || \"unknown\";\\n    state.industry = newData.industry || \"unknown\";\\n    state.budget = Number(newData.budget) || 0;\\n  }\\n} catch (e) {}\\nif (state.name !== \"unknown\" && state.industry !== \"unknown\" && state.budget > 0) state.isReady = true;\\nreturn state;"},"typeVersion":2},{"id":"ff010bc9-0899-4260-a75e-ba71c06ecfed","name":"Lead Ingestion Group","type":"n8n-nodes-base.stickyNote","position":[-1536,48],"parameters":{"color":6,"width":496,"height":400,"content":"This section captures user input via chat and maintains a stateful conversation to qualify leads."}},{"id":"988a2dae-3e9a-4334-a72c-153464ca9ec0","name":"Data Processing Group","type":"n8n-nodes-base.stickyNote","position":[-1024,48],"parameters":{"color":4,"width":448,"height":272,"content":"Extracts JSON data from the chat and validates that all required fields are present before scoring."}},{"id":"a6919265-c647-435b-ab8f-3207f6af7c5d","name":"Audit Analyst Brain","type":"@n8n/n8n-nodes-langchain.lmChatGoogleGemini","position":[-1040,928],"parameters":{"options":{},"modelName":"models/gemini-1.5-flash"},"typeVersion":1},{"id":"d1316dcb-fb51-4fc1-a014-acf704224e2a","name":"Audit Lead Performance","type":"@n8n/n8n-nodes-langchain.agent","position":[-1024,720],"parameters":{"text":"=You are an AI System Auditor. Review the following lead data: {{ $json.text }}. Identify patterns and propose improvements.","options":{"systemMessage":"You are a helpful assistant"},"promptType":"define"},"typeVersion":3.1},{"id":"3b9aad85-8753-4ff2-aff1-1bfd45c3bcad","name":"Send Optimization Report","type":"n8n-nodes-base.slack","position":[-704,720],"parameters":{"text":"=Optimization Report: Based on performance, update prompt to: {{ $json.output }}","select":"channel","channelId":{"__rl":true,"mode":"id","value":"[YOUR_SLACK_CHANNEL_ID]"},"otherOptions":{}},"typeVersion":2.4},{"id":"19e2340e-242e-4e7d-a4ac-0d3f7d095d69","name":"Self-Optimization Group","type":"n8n-nodes-base.stickyNote","position":[-1456,656],"parameters":{"color":3,"width":944,"height":416,"content":"Feedback Loop: An autonomous loop that audits daily lead performance to suggest prompt improvements."}},{"id":"9147a451-5e38-44c9-865b-009c4c8b9698","name":"Output Group","type":"n8n-nodes-base.stickyNote","position":[-96,-96],"parameters":{"color":7,"width":272,"height":640,"content":"Logs lead data to Google Sheets and alerts the team via Slack."}},{"id":"b96a8cb7-74da-4320-a4f3-a33c41450052","name":"Check if Lead is Qualified","type":"n8n-nodes-base.filter","position":[-832,128],"parameters":{"conditions":{"options":{"typeValidation":"loose"},"combinator":"and","conditions":[{"id":"99ec78c9","operator":{"type":"boolean","operation":"true","singleValue":true},"leftValue":"={{ $json.isReady }}"}]}},"typeVersion":2.3},{"id":"bd7e8fee-2b41-4704-81c2-42ad3560dc89","name":"Daily Performance Audit Trigger","type":"n8n-nodes-base.scheduleTrigger","position":[-1408,720],"parameters":{"rule":{"interval":[{}]}},"typeVersion":1.3},{"id":"c156f503-ef8b-4487-8a5d-21254ce1b904","name":"Send Response to Chat Interface","type":"n8n-nodes-base.respondToWebhook","position":[-1184,288],"parameters":{"options":{}},"typeVersion":1.5},{"id":"7ffb5f5b-ff3b-42f7-8e40-9420da81e7fa","name":"Fetch Historical Lead Data","type":"n8n-nodes-base.googleSheets","position":[-1232,720],"parameters":{"sheetName":{"__rl":true,"mode":"name","value":"Sheet1"},"documentId":{"__rl":true,"mode":"id","value":"[YOUR_GOOGLE_SHEET_ID]"}},"typeVersion":4.7},{"id":"97b8118a-2057-4d39-b6ef-91c5e079d45f","name":"AI Council Group","type":"n8n-nodes-base.stickyNote","position":[-560,48],"parameters":{"color":5,"width":448,"height":240,"content":"Uses Gemini to generate industry-specific growth tactics for qualified leads."}}],"active":false,"settings":{"executionOrder":"v1"},"connections":{"Is High ROI?":{"main":[[{"node":"Log Lead to Spreadsheet","type":"main","index":0},{"node":"Notify Sales of Hot Lead","type":"main","index":0}],[{"node":"Log Strategy to Backup","type":"main","index":0}]]},"Scoring Logic":{"main":[[{"node":"AI Council: Strategist","type":"main","index":0}]]},"Chat Logic Brain":{"ai_languageModel":[[{"node":"Qualify Lead Conversationally","type":"ai_languageModel","index":0},{"node":"AI Council: Strategist","type":"ai_languageModel","index":0}]]},"Lead Chat Trigger":{"main":[[{"node":"Qualify Lead Conversationally","type":"main","index":0}]]},"Extract Lead State":{"main":[[{"node":"Check if Lead is Qualified","type":"main","index":0}]]},"Audit Analyst Brain":{"ai_languageModel":[[{"node":"Audit Lead Performance","type":"ai_languageModel","index":0}]]},"Chat Session Memory":{"ai_memory":[[{"node":"Qualify Lead Conversationally","type":"ai_memory","index":0}]]},"AI Council: Strategist":{"main":[[{"node":"Is High ROI?","type":"main","index":0}]]},"Audit Lead Performance":{"main":[[{"node":"Send Optimization Report","type":"main","index":0}]]},"Check if Lead is Qualified":{"main":[[{"node":"Scoring Logic","type":"main","index":0}]]},"Fetch Historical Lead Data":{"main":[[{"node":"Audit Lead Performance","type":"main","index":0}]]},"Qualify Lead Conversationally":{"main":[[{"node":"Extract Lead State","type":"main","index":0},{"node":"Send Response to Chat Interface","type":"main","index":0}]]},"Daily Performance Audit Trigger":{"main":[[{"node":"Fetch Historical Lead Data","type":"main","index":0}]]}}},"lastUpdatedBy":29,"workflowInfo":{"nodeCount":24,"nodeTypes":{"n8n-nodes-base.if":{"count":1},"n8n-nodes-base.code":{"count":2},"n8n-nodes-base.slack":{"count":2},"n8n-nodes-base.filter":{"count":1},"n8n-nodes-base.stickyNote":{"count":6},"n8n-nodes-base.googleSheets":{"count":3},"@n8n/n8n-nodes-langchain.agent":{"count":2},"n8n-nodes-base.scheduleTrigger":{"count":1},"n8n-nodes-base.respondToWebhook":{"count":1},"@n8n/n8n-nodes-langchain.chainLlm":{"count":1},"@n8n/n8n-nodes-langchain.chatTrigger":{"count":1},"@n8n/n8n-nodes-langchain.lmChatGoogleGemini":{"count":2},"@n8n/n8n-nodes-langchain.memoryBufferWindow":{"count":1}}},"status":"published","readyToDemo":null,"user":{"name":"Pawan","username":"gladiator","bio":"Automation consultant with expertise in n8n, AI models, and workflow optimization. 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