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": "AI Text Scorer (Lite)",
"nodes": [
{
"parameters": {
"content": "## AI Text Scorer (Lite)\n\nA webhook you can POST any text to. Claude returns an overall quality score (0-100) plus a short comment.\n\nA free, single-purpose starter. The full version adds configurable scoring dimensions, per-dimension scores, concrete strengths & improvements, input validation, and API-failure handling.",
"height": 260,
"width": 380
},
"id": "b1c2c3d4-0001-4000-8000-000000000001",
"name": "Overview",
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-520,
-240
]
},
{
"parameters": {
"content": "Setup (2 things):\n1. Add your Anthropic API key as a Header Auth credential (header name: x-api-key) on \"Score with Claude\".\n2. Activate the workflow, open this Webhook node, copy the Production URL.\n\nThen POST JSON: { \"content\": \"your text here\" }",
"height": 240,
"width": 300
},
"id": "b1c2c3d4-0002-4000-8000-000000000002",
"name": "Setup Note",
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-520,
40
]
},
{
"parameters": {
"httpMethod": "POST",
"path": "score-text",
"responseMode": "responseNode",
"options": {}
},
"id": "b1c2c3d4-0003-4000-8000-000000000003",
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
-200,
0
]
},
{
"parameters": {
"mode": "runOnceForEachItem",
"jsCode": "const item = $input.item.json;\nconst body = item.body || item;\nconst content = (body.content || body.text || '').toString().trim();\nreturn {\n json: {\n content: content.substring(0, 4000)\n }\n};"
},
"id": "b1c2c3d4-0004-4000-8000-000000000004",
"name": "Extract Text",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
60,
0
]
},
{
"parameters": {
"method": "POST",
"url": "https://api.anthropic.com/v1/messages",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "anthropic-version",
"value": "2023-06-01"
},
{
"name": "content-type",
"value": "application/json"
}
]
},
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({\n model: \"claude-sonnet-4-6\",\n max_tokens: 400,\n system: \"You are a writing quality reviewer. Respond with ONLY a valid JSON object, no markdown, no code fences: { \\\"score\\\": integer from 0 to 100, \\\"comment\\\": string with one or two sentences of feedback }.\",\n messages: [\n {\n role: \"user\",\n content: \"Score the overall quality of this text:\\n\\n\" + $json.content\n }\n ]\n}) }}",
"options": {
"timeout": 30000
}
},
"id": "b1c2c3d4-0005-4000-8000-000000000005",
"name": "Score with Claude",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
320,
0
],
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"mode": "runOnceForEachItem",
"jsCode": "const raw = $input.item.json;\nlet parsed;\ntry {\n let text = raw.content && raw.content[0] && raw.content[0].text ? raw.content[0].text : '';\n const match = text.trim().match(/\\{[\\s\\S]*\\}/);\n if (!match) throw new Error('no json');\n parsed = JSON.parse(match[0]);\n} catch (err) {\n parsed = { score: null, comment: 'Could not parse AI response.' };\n}\nreturn {\n json: {\n score: parsed.score,\n comment: parsed.comment\n }\n};"
},
"id": "b1c2c3d4-0006-4000-8000-000000000006",
"name": "Parse Response",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
580,
0
]
},
{
"parameters": {
"respondWith": "json",
"responseBody": "={{ { score: $json.score, comment: $json.comment } }}",
"options": {}
},
"id": "b1c2c3d4-0007-4000-8000-000000000007",
"name": "Respond with Score",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
840,
0
]
}
],
"connections": {
"Webhook": {
"main": [
[
{
"node": "Extract Text",
"type": "main",
"index": 0
}
]
]
},
"Extract Text": {
"main": [
[
{
"node": "Score with Claude",
"type": "main",
"index": 0
}
]
]
},
"Score with Claude": {
"main": [
[
{
"node": "Parse Response",
"type": "main",
"index": 0
}
]
]
},
"Parse Response": {
"main": [
[
{
"node": "Respond with Score",
"type": "main",
"index": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "00000000-0000-4000-8000-000000000000",
"meta": {
"templateCredsSetupCompleted": false
},
"id": "ai-text-scorer-lite-001",
"tags": []
}
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.
httpHeaderAuth
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About this workflow
AI Text Scorer (Lite). Uses httpRequest. Webhook trigger; 7 nodes.
Source: https://github.com/MichaelBarabanov/n8n-templates/blob/main/ai-content-scorer-lite/workflow-lite.json — original creator credit. Request a take-down →
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