The workflow JSON
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{
"name": "WF-REV-04 \u2014 AI Auto-Response (GBP + Claude)",
"nodes": [
{
"id": "1",
"name": "Every 15 Min",
"type": "n8n-nodes-base.scheduleTrigger",
"typeVersion": 1.3,
"position": [
240,
300
],
"parameters": {
"rule": {
"interval": [
{
"field": "cronExpression",
"expression": "*/15 * * * *"
}
]
}
},
"notes": "Cron: every 15 min. Polls GBP for new reviews across all clients past 7-day cooldown"
},
{
"id": "2",
"name": "GET Clients With GBP Active",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
460,
300
],
"parameters": {
"url": "https://YOUR_CONVEX_DEPLOYMENT/reviews/clients-with-gbp-active",
"options": {},
"authentication": "predefinedCredentialType",
"nodeCredentialType": "httpHeaderAuth"
},
"notes": "Only clients past 7-day GBP Manager cooldown",
"onError": "continueRegularOutput",
"retryOnFail": true,
"maxTries": 3
},
{
"id": "3",
"name": "Split Clients",
"type": "n8n-nodes-base.splitOut",
"typeVersion": 1,
"position": [
680,
300
],
"parameters": {
"fieldToSplitOut": "clients",
"options": {}
}
},
{
"id": "4",
"name": "Loop Clients (5)",
"type": "n8n-nodes-base.splitInBatches",
"typeVersion": 3,
"position": [
900,
300
],
"parameters": {
"batchSize": 5,
"options": {}
}
},
{
"id": "5",
"name": "GBP API \u2014 List Reviews",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
1120,
300
],
"parameters": {
"method": "GET",
"url": "=https://mybusiness.googleapis.com/v4/accounts/{{ $json.gbpAccountId }}/locations/{{ $json.gbpLocationId }}/reviews?pageSize=20&orderBy=updateTime desc",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "=Bearer {{ $json.gbpAccessToken }}"
}
]
},
"options": {}
},
"notes": "GBP API v4 \u2014 reviews list. Requires GBP Manager access + 7-day cooldown cleared.",
"onError": "continueRegularOutput",
"retryOnFail": true,
"maxTries": 3
},
{
"id": "6",
"name": "Filter New Reviews",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1340,
300
],
"parameters": {
"language": "javaScript",
"jsCode": "const reviews = ($input.first().json.reviews || []).filter(r => !r.reviewReply);\nconst clientData = $node['Loop Clients (5)'].json;\nreturn reviews.map(r => ({ json: { ...clientData, review: r, gbpReviewId: r.reviewId, reviewerName: r.reviewer?.displayName, rating: parseInt(String(r.starRating).replace(/[^0-9]/g, ''), 10), text: r.comment } }));"
}
},
{
"id": "7",
"name": "Claude Draft Response",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
1560,
300
],
"parameters": {
"method": "POST",
"url": "https://openrouter.ai/api/v1/chat/completions",
"sendHeaders": false,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "=Bearer {{ $env.OPENROUTER_API_KEY }}"
},
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"sendBody": true,
"bodyContentType": "json",
"jsonBody": "={{ JSON.stringify({ model: 'anthropic/claude-haiku-4-5-20251001', max_tokens: 200, temperature: 0.7, messages: [ { role: 'system', content: 'You are ' + $json.ownerFirstName + ', owner of ' + $json.businessName + '. Respond to this Google review authentically, warmly, briefly (2-4 sentences). 5-star: warm thanks. 4-star: thank + acknowledge feedback. 3-star or below: sincere apology + provide ' + $json.ownerPhone + ' for direct contact. Sign with \\'- ' + $json.ownerFirstName + '\\'. Sound human. Never mention AI.' }, { role: 'user', content: 'Review from ' + $json.reviewerName + ' (' + $json.rating + ' stars): \\'' + $json.text + '\\'' } ] }) }}",
"options": {},
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"onError": "continueRegularOutput",
"retryOnFail": true,
"maxTries": 3
},
{
"id": "8",
"name": "POST Response Drafted",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
1780,
300
],
"parameters": {
"method": "POST",
"url": "https://YOUR_CONVEX_DEPLOYMENT/reviews/response-drafted",
"sendBody": true,
"bodyContentType": "json",
"jsonBody": "={{ JSON.stringify({ clientId: $node['Filter New Reviews'].json.id, gbpReviewId: $node['Filter New Reviews'].json.gbpReviewId, reviewerName: $node['Filter New Reviews'].json.reviewerName, reviewRating: $node['Filter New Reviews'].json.rating, reviewText: $node['Filter New Reviews'].json.text, aiDraft: $json.choices[0].message.content }) }}",
"options": {},
"authentication": "predefinedCredentialType",
"nodeCredentialType": "httpHeaderAuth"
},
"onError": "continueRegularOutput",
"retryOnFail": true,
"maxTries": 3
},
{
"id": "9",
"name": "Route by Rating",
"type": "n8n-nodes-base.if",
"typeVersion": 2.3,
"position": [
2000,
300
],
"parameters": {
"conditions": {
"conditions": [
{
"leftValue": "={{ $node['Filter New Reviews'].json.rating }}",
"rightValue": 4,
"operator": {
"type": "number",
"operation": "gte"
},
"id": "condition-1783697686137-0fvj9bei4"
}
],
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "loose"
},
"combinator": "and"
}
}
},
{
"id": "10",
"name": "Auto-Post 4-5 Star",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
2220,
200
],
"parameters": {
"method": "PUT",
"url": "=https://mybusiness.googleapis.com/v4/{{ $node['Filter New Reviews'].json.gbpReviewId }}/reply",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "=Bearer {{ $node['Loop Clients (5)'].json.gbpAccessToken }}"
}
]
},
"sendBody": true,
"bodyContentType": "json",
"jsonBody": "={{ JSON.stringify({ comment: $node['Claude Draft Response'].json.choices[0].message.content }) }}",
"options": {}
},
"onError": "continueRegularOutput",
"retryOnFail": true,
"maxTries": 3
},
{
"id": "11",
"name": "Post to Slack Approval (1-3 Star)",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
2220,
400
],
"parameters": {
"method": "POST",
"url": "YOUR_SLACK_WEBHOOK-ENGINE-APPROVALS/PLACEHOLDER",
"sendBody": true,
"bodyContentType": "json",
"jsonBody": "={{ JSON.stringify({ text: '\u2757 New ' + $node['Filter New Reviews'].json.rating + '-star review for ' + $node['Loop Clients (5)'].json.businessName + '\\n\\nReviewer: ' + $node['Filter New Reviews'].json.reviewerName + '\\nReview: ' + $node['Filter New Reviews'].json.text + '\\n\\nAI Draft: ' + $node['Claude Draft Response'].json.choices[0].message.content + '\\n\\nApprove within 60 min or auto-posts.' }) }}",
"options": {}
},
"onError": "continueRegularOutput",
"retryOnFail": true,
"maxTries": 3
}
],
"connections": {
"Every 15 Min": {
"main": [
[
{
"node": "GET Clients With GBP Active",
"type": "main",
"index": 0
}
]
]
},
"GET Clients With GBP Active": {
"main": [
[
{
"node": "Split Clients",
"type": "main",
"index": 0
}
]
]
},
"Split Clients": {
"main": [
[
{
"node": "Loop Clients (5)",
"type": "main",
"index": 0
}
]
]
},
"Loop Clients (5)": {
"main": [
[],
[
{
"node": "GBP API \u2014 List Reviews",
"type": "main",
"index": 0
}
]
]
},
"GBP API \u2014 List Reviews": {
"main": [
[
{
"node": "Filter New Reviews",
"type": "main",
"index": 0
}
]
]
},
"Filter New Reviews": {
"main": [
[
{
"node": "Claude Draft Response",
"type": "main",
"index": 0
}
]
]
},
"Claude Draft Response": {
"main": [
[
{
"node": "POST Response Drafted",
"type": "main",
"index": 0
}
]
]
},
"POST Response Drafted": {
"main": [
[
{
"node": "Route by Rating",
"type": "main",
"index": 0
}
]
]
},
"Route by Rating": {
"main": [
[
{
"node": "Auto-Post 4-5 Star",
"type": "main",
"index": 0
}
],
[
{
"node": "Post to Slack Approval (1-3 Star)",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1",
"timezone": "America/New_York",
"saveDataSuccessExecution": "none",
"callerPolicy": "workflowsFromSameOwner",
"availableInMCP": false
},
"active": false
}
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About this workflow
WF-REV-04 — AI Auto-Response (GBP + Claude). Uses httpRequest. Scheduled trigger; 11 nodes.
Source: https://github.com/rafiulislam4246/review-engine/blob/main/workflows/07-ai-auto-response-gbp-claude.json — original creator credit. Request a take-down →
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