This workflow follows the Chainllm → Gmail recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
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{
"name": "AI Contract Reviewer",
"nodes": [
{
"parameters": {
"httpMethod": "POST",
"path": "contract-review",
"responseMode": "responseNode",
"options": {}
},
"type": "n8n-nodes-base.webhook",
"typeVersion": 2.1,
"position": [
0,
0
],
"id": "76548ab9-4975-4dee-b72b-3b75d4b83738",
"name": "Webhook"
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 3
},
"conditions": [
{
"id": "e06dd196-19db-4cf6-a4cc-a2b05bf3c15b",
"leftValue": "={{ $binary.file.mimeType }}",
"rightValue": "application/pdf",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2.3,
"position": [
224,
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],
"id": "224bb5ec-94b4-4888-af8d-e0dac1ead36b",
"name": "Validate File"
},
{
"parameters": {
"respondWith": "json",
"responseBody": "{\n \"status\": \"UNSUPPORTED_FILE\",\n \"error\": \"Only PDF files are supported in V1.\"\n}",
"options": {
"responseCode": 400
}
},
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.5,
"position": [
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],
"id": "39f67c06-8486-4115-95ec-652cf3132e8a",
"name": "Respond to Webhook"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "0892ba02-45cd-4741-bd81-7658fd6ab1e4",
"name": "status",
"value": "UNSUPPORTED_FILE",
"type": "string"
},
{
"id": "5a1cd40c-9ab4-47a4-a446-0233f4086c3d",
"name": "message",
"value": "Only PDF files are supported in V1.",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
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],
"id": "4ce83289-31df-4ab0-88b5-14b03e5ed877",
"name": "Unsupported File"
},
{
"parameters": {
"operation": "pdf",
"binaryPropertyName": "file",
"options": {}
},
"type": "n8n-nodes-base.extractFromFile",
"typeVersion": 1.1,
"position": [
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-16
],
"id": "0cfec2e3-4ed9-4617-9601-3513f9e4a5c0",
"name": "Extract from File"
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 3
},
"conditions": [
{
"id": "6c88664d-6318-4cf9-8d0d-8838d823a68d",
"leftValue": "={{ $json.document_length > 100 }}",
"rightValue": 100,
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2.3,
"position": [
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-16
],
"id": "f0425a83-fc19-413e-9371-aa834d760123",
"name": "Validate Text Length"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "8fe54a8d-86f1-416c-8fc1-8b4fb1f9db1f",
"name": "status",
"value": "UNSUPPORTED_SCANNED_DOCUMENT",
"type": "string"
},
{
"id": "f4cf54a0-426b-4a32-93d2-4bef51e8b610",
"name": "error",
"value": "No readable text found in PDF.",
"type": "string"
},
{
"id": "a3eda958-646a-4cad-9558-da06c481cf40",
"name": "processed_at",
"value": "={{ $now }}",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
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],
"id": "22199f5d-be32-4d00-a5b8-56a920206d9a",
"name": "Unsupported Scanned Document"
},
{
"parameters": {
"options": {
"responseCode": 422
}
},
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.5,
"position": [
1312,
256
],
"id": "1543e799-1573-4ac1-8288-d05004025f42",
"name": "Respond to Webhook1"
},
{
"parameters": {
"promptType": "define",
"text": "=Analyze the following contract.\n\n{{$json.document_text}}\n\nReturn ONLY a valid JSON object.\n\nUse EXACTLY this structure:\n\n{\n \"document_type\": \"\",\n \"summary\": \"\",\n \"parties\": [],\n \"effective_date\": null,\n \"termination_date\": null,\n \"amounts\": [\n {\n \"label\": \"\",\n \"value\": null,\n \"currency\": null\n }\n ],\n \"obligations\": [\n {\n \"party\": \"\",\n \"obligation\": \"\"\n }\n ],\n \"points_to_verify\": [],\n \"risk_level\": \"LOW\",\n \"confidence\": 0.0\n}",
"hasOutputParser": true,
"messages": {
"messageValues": [
{
"message": "You are an expert contract analyzer. Rules: - Return ONLY valid JSON. - Never use markdown. - Never use ```json. - Never explain your answer. - Never invent information. - If information is missing, use null. - Risk level must be one of: LOW MEDIUM HIGH - Confidence must be between 0 and 1."
}
]
},
"batching": {}
},
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"typeVersion": 1.9,
"position": [
1168,
-160
],
"id": "101a5adb-3d56-426e-b5bc-d552d6a86fe2",
"name": "Basic LLM Chain"
},
{
"parameters": {
"model": {
"__rl": true,
"value": "gpt-4.1-mini",
"mode": "list",
"cachedResultName": "gpt-4.1-mini"
},
"builtInTools": {},
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"typeVersion": 1.3,
"position": [
1120,
48
],
"id": "fbefb8e4-ac1f-44e0-a4b3-3e119c981712",
"name": "OpenAI Chat Model"
},
{
"parameters": {
"jsonSchemaExample": "{\n \"document_type\": \"Service Agreement\",\n \"summary\": \"Agreement between Atlas Services SARL and NovaTech SARL.\",\n \"parties\": [\n \"Atlas Services SARL\",\n \"NovaTech SARL\"\n ],\n \"effective_date\": \"2026-08-01\",\n \"termination_date\": \"2027-07-31\",\n \"amounts\": [\n {\n \"label\": \"Monthly Fee\",\n \"value\": 4500,\n \"currency\": \"MAD\"\n }\n ],\n \"obligations\": [\n {\n \"party\": \"NovaTech SARL\",\n \"obligation\": \"Provide IT maintenance and technical support.\"\n },\n {\n \"party\": \"Atlas Services SARL\",\n \"obligation\": \"Pay invoices within 15 days.\"\n }\n ],\n \"points_to_verify\": [\n \"Termination notice period is not specified.\"\n ],\n \"risk_level\": \"MEDIUM\",\n \"confidence\": 0.94\n}",
"autoFix": true
},
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"typeVersion": 1.3,
"position": [
1264,
64
],
"id": "c09ab020-0eca-4542-a35b-22cf848207c4",
"name": "Structured Output Parser1"
},
{
"parameters": {
"rules": {
"values": [
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 3
},
"conditions": [
{
"leftValue": "={{ $json.risk_level }}",
"rightValue": "LOW",
"operator": {
"type": "string",
"operation": "equals"
},
"id": "c2c6d734-6299-4897-b97d-27f4b4d13df0"
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "LOW"
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 3
},
"conditions": [
{
"id": "ebebd999-09f2-47b3-90d4-4b63917a25bf",
"leftValue": "={{ $json.risk_level }}",
"rightValue": "MEDIUM",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "MEDIUM"
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 3
},
"conditions": [
{
"id": "23e8ba4b-3589-450f-8bf5-a61a0f9c594f",
"leftValue": "={{ $json.risk_level }}",
"rightValue": "HIGH",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "HIGH"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.switch",
"typeVersion": 3.4,
"position": [
1728,
-64
],
"id": "49528ff7-5eef-48c7-a581-1061b9f4bef5",
"name": "Switch"
},
{
"parameters": {
"numberInputs": 3
},
"type": "n8n-nodes-base.merge",
"typeVersion": 3.2,
"position": [
2416,
-96
],
"id": "1f7bd8d0-dc23-4afd-b934-ab6ca6d16cdc",
"name": "Merge"
},
{
"parameters": {
"operation": "append",
"documentId": {
"__rl": true,
"value": "",
"mode": "list",
"cachedResultName": "Select your Google Sheet"
},
"sheetName": {
"__rl": true,
"value": "",
"mode": "list",
"cachedResultName": "Select your sheet"
},
"columns": {
"mappingMode": "defineBelow",
"value": {
"risk_level": "={{ $json.risk_level }}",
"points_to_verify": "={{ JSON.stringify($json.points_to_verify) }}",
"confidence": "={{ $json.confidence }}",
"priority": "={{ $json.priority }}",
"review_required": "={{ $json.review_required }}",
"obligations": "={{ JSON.stringify($json.obligations) }}",
"amounts": "={{ JSON.stringify($json.amounts) }}",
"processed_at": "={{ $now }}",
"status": "Completed",
"analysis_id": "={{ $execution.id }}",
"file_name": "={{ $('Validate File').item.binary.file.fileName }}",
"document_type": "={{ $json.document_type }}",
"summary": "={{ $json.summary }}",
"parties": "={{ JSON.stringify($json.parties) }}",
"effective_date": "={{ $json.effective_date }}",
"termination_date": "={{ $json.termination_date }}"
},
"matchingColumns": [],
"schema": [
{
"id": "analysis_id",
"displayName": "analysis_id",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "file_name",
"displayName": "file_name",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "document_type",
"displayName": "document_type",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "summary",
"displayName": "summary",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "parties",
"displayName": "parties",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "effective_date",
"displayName": "effective_date",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "termination_date",
"displayName": "termination_date",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "amounts",
"displayName": "amounts",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "obligations",
"displayName": "obligations",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "points_to_verify",
"displayName": "points_to_verify",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "risk_level",
"displayName": "risk_level",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "confidence",
"displayName": "confidence",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "priority",
"displayName": "priority",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "review_required",
"displayName": "review_required",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "processed_at",
"displayName": "processed_at",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "status",
"displayName": "status",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
}
],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {}
},
"type": "n8n-nodes-base.googleSheets",
"typeVersion": 4.7,
"position": [
2640,
-64
],
"id": "d60c83c3-8954-4f11-9a02-38e81eccfb50",
"name": "Append row in sheet"
},
{
"parameters": {
"sendTo": "YOUR_EMAIL@example.com",
"subject": "=AI Contract Review Completed ",
"message": "={{$json.html_report}}",
"options": {}
},
"type": "n8n-nodes-base.gmail",
"typeVersion": 2.2,
"position": [
3088,
-48
],
"id": "1473fe25-2d80-449e-a069-9f2cb42ea895",
"name": "Send a message"
},
{
"parameters": {
"jsCode": "return [{\n json: {\n document_text: $json.text.trim(),\n document_length: $json.text.trim().length\n }\n}];"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
656,
-16
],
"id": "b4726111-e8da-4a91-ad13-ec2151f6094a",
"name": "Normalize Document"
},
{
"parameters": {
"jsCode": "const output =\n $json.response?.output ??\n $json.output ??\n $json;\n\nreturn [\n {\n json: output\n }\n];"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1568,
-160
],
"id": "2be11b5f-c81c-4f2c-a99d-c73f9c9a5b1f",
"name": "Parse AI Output"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "5470d0de-2c54-4ca5-adba-95ded87136bb",
"name": "priority",
"value": "Normal",
"type": "string"
},
{
"id": "3165ea84-5aba-4ce1-9c98-0aabd359ede9",
"name": "review_required",
"value": false,
"type": "boolean"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
2064,
-208
],
"id": "514e4d18-89c3-4b2b-9311-c37ca8a11eec",
"name": "LOW Priority",
"includeOtherFields": true
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "18a00479-8a2f-4676-b810-50d9994409a5",
"name": "priority",
"value": "Review",
"type": "string"
},
{
"id": "b66c183f-e865-47db-a270-a6b2effc8eb1",
"name": "review_required",
"value": true,
"type": "boolean"
}
]
},
"includeOtherFields": true,
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
2048,
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],
"id": "da338b48-9df4-4c47-b28e-06919c38ef29",
"name": "MEDIUM Priority"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "f2416fd6-a799-46ba-a756-71740e6edb12",
"name": "priority",
"value": "Critical",
"type": "string"
},
{
"id": "bd3a3d37-fb9f-4890-80b0-86121ec7ee34",
"name": "review_required",
"value": true,
"type": "boolean"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
2064,
224
],
"id": "2c811f65-d4f0-4f45-a21e-5460da8f32cf",
"name": "HIGH Priority",
"includeOtherFields": true
},
{
"parameters": {
"mode": "runOnceForEachItem",
"jsCode": "// Convert JSON strings back to arrays if necessary\nconst parties =\n typeof $json.parties === \"string\"\n ? JSON.parse($json.parties)\n : ($json.parties || []);\n\nconst points =\n typeof $json.points_to_verify === \"string\"\n ? JSON.parse($json.points_to_verify)\n : ($json.points_to_verify || []);\n\nconst obligations =\n typeof $json.obligations === \"string\"\n ? JSON.parse($json.obligations)\n : ($json.obligations || []);\n\nconst amounts =\n typeof $json.amounts === \"string\"\n ? JSON.parse($json.amounts)\n : ($json.amounts || []);\n\nconst html = `\n<!DOCTYPE html>\n<html>\n<head>\n<meta charset=\"UTF-8\">\n<style>\nbody{\n font-family:Arial,sans-serif;\n margin:40px;\n color:#222;\n}\n\nh1{\n color:#1565C0;\n}\n\nh2{\n color:#1565C0;\n margin-top:30px;\n}\n\ntable{\n width:100%;\n border-collapse:collapse;\n}\n\nth,td{\n border:1px solid #ddd;\n padding:10px;\n}\n\nth{\n background:#1565C0;\n color:white;\n}\n</style>\n</head>\n\n<body>\n\n<h1>AI Contract Review Report</h1>\n\n<p><b>Generated:</b> ${new Date().toLocaleString()}</p>\n\n<table>\n\n<tr>\n<th>Document Type</th>\n<td>${$json.document_type}</td>\n</tr>\n\n<tr>\n<th>Risk Level</th>\n<td>${$json.risk_level}</td>\n</tr>\n\n<tr>\n<th>Confidence</th>\n<td>${$json.confidence}</td>\n</tr>\n\n<tr>\n<th>Priority</th>\n<td>${$json.priority}</td>\n</tr>\n\n<tr>\n<th>Review Required</th>\n<td>${$json.review_required}</td>\n</tr>\n\n</table>\n\n<h2>Summary</h2>\n\n<p>${$json.summary}</p>\n\n<h2>Parties</h2>\n\n<ul>\n${parties.map(p => `<li>${p}</li>`).join(\"\")}\n</ul>\n\n<h2>Financial Information</h2>\n\n<table>\n\n<tr>\n<th>Label</th>\n<th>Value</th>\n<th>Currency</th>\n</tr>\n\n${amounts.map(a=>`\n<tr>\n<td>${a.label}</td>\n<td>${a.value}</td>\n<td>${a.currency}</td>\n</tr>\n`).join(\"\")}\n\n</table>\n\n<h2>Obligations</h2>\n\n<ul>\n\n${obligations.map(o=>`\n<li>\n<b>${o.party}</b><br>\n${o.obligation}\n</li>\n`).join(\"\")}\n\n</ul>\n\n<h2>Points To Verify</h2>\n\n<ul>\n\n${points.map(p=>`\n<li>${p}</li>\n`).join(\"\")}\n\n</ul>\n\n</body>\n</html>\n`;\n\nreturn {\n json: {\n test: \"ok\",\n html_report: html\n }\n};"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
2848,
-80
],
"id": "feb45d89-16b5-4d22-ade7-e1ad08e42414",
"name": "Generate HTML Contract Report"
},
{
"parameters": {
"content": "## \ud83d\ude80 AI Contract Reviewer\nObjective\n\nAnalyze PDF contracts automatically using AI.\n\nWorkflow:\n\u2022 Receive PDF\n\u2022 Extract text\n\u2022 Analyze with OpenAI\n\u2022 Classify risk\n\u2022 Generate HTML report\n\u2022 Save to Google Sheets\n\u2022 Send email notification",
"height": 432,
"width": 560,
"color": "#0BDA9C"
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
352,
-784
],
"id": "20f80210-a51e-419d-9a0e-6b427ce3803e",
"name": "Sticky Note"
},
{
"parameters": {
"content": "\ud83d\udce5 Input Validation\n\nPurpose\n\u2022 Receive uploaded file\n\u2022 Accept only PDF\n\u2022 Reject unsupported formats\n\nOutput\nValid PDF binary",
"height": 416,
"width": 416
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-32,
-240
],
"id": "987c9250-3b2d-4380-a388-c21edcfc5944",
"name": "Sticky Note1"
},
{
"parameters": {
"content": "\ud83d\udcc4 Document Processing\n\nPurpose\n\n\u2022 Extract text from PDF\n\u2022 Normalize extracted content\n\u2022 Verify minimum text length\n\nReject scanned or empty documents.",
"height": 672,
"width": 608,
"color": 5
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
384,
-288
],
"id": "dcd246e8-3408-40fd-a439-0a7257515f4c",
"name": "Sticky Note2"
},
{
"parameters": {
"content": "\ud83e\udd16 AI Contract Analysis\n\nOpenAI extracts:\n\n\u2022 Document type\n\u2022 Summary\n\u2022 Parties\n\u2022 Dates\n\u2022 Financial amounts\n\u2022 Obligations\n\u2022 Risk level\n\u2022 Confidence",
"height": 896,
"width": 576,
"color": 6
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
992,
-448
],
"id": "bb4182b6-c70b-47f9-afdd-d011815873df",
"name": "Sticky Note3"
},
{
"parameters": {
"content": "\ud83e\udde0 Business Logic\n\nConvert AI response\ninto structured fields.\n\nRisk Levels:\n\nLOW\nMEDIUM\nHIGH",
"height": 928,
"width": 288,
"color": "#3C6CB9"
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
1568,
-464
],
"id": "fed1ca02-ee50-4020-b5cd-db2efa342f3b",
"name": "Sticky Note5"
},
{
"parameters": {
"content": "\u26a0 Risk Classification\n\nAssign priority\naccording to AI result.\n\nLOW\n\u2192 Inform\n\nMEDIUM\n\u2192 Review\n\nHIGH\n\u2192 Immediate Review",
"height": 1072,
"width": 528,
"color": "#D21414"
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
1856,
-608
],
"id": "95cb12dd-9695-4eeb-9ab9-9858f6096dff",
"name": "Sticky Note4"
},
{
"parameters": {
"content": "\ud83d\udd00 Merge Results\n\nMerge all branches\ninto one unified output.\n\nContinue with\ncommon workflow.",
"height": 592,
"color": 5
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
2368,
-368
],
"id": "0bed7b97-b14d-40be-8067-1ade074437d2",
"name": "Sticky Note6"
},
{
"parameters": {
"content": "\ud83d\udcca Data Logging\n\nStore analysis\ninside Google Sheets.\n\nUseful for:\n\n\u2022 History\n\u2022 Audit\n\u2022 Reporting\n\u2022 Analytics",
"height": 592,
"width": 400,
"color": "#14A317"
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
2608,
-368
],
"id": "56136daf-ff19-46e2-bf33-347846e6454d",
"name": "Sticky Note7"
},
{
"parameters": {
"content": "\ud83d\udcc4 HTML Report\n\nGenerate a professional\ncontract review report.\n\nIncludes:\n\n\u2022 Summary\n\u2022 Risk\n\u2022 Confidence\n\u2022 Obligations\n\u2022 Review points",
"height": 592,
"color": "#A0701C"
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
3008,
-368
],
"id": "0e48b3e1-3fa8-4b39-86ea-5f3f7525a270",
"name": "Sticky Note8"
},
{
"parameters": {
"respondWith": "json",
"responseBody": "{\n \"status\": \"COMPLETED\",\n \"message\": \"Contract review completed and report sent.\"\n}",
"options": {
"responseCode": 200
}
},
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.4,
"position": [
4240,
160
],
"id": "public-success-response-node",
"name": "Respond with Success"
}
],
"connections": {
"Webhook": {
"main": [
[
{
"node": "Validate File",
"type": "main",
"index": 0
}
]
]
},
"Validate File": {
"main": [
[
{
"node": "Extract from File",
"type": "main",
"index": 0
}
],
[
{
"node": "Unsupported File",
"type": "main",
"index": 0
}
]
]
},
"Unsupported File": {
"main": [
[
{
"node": "Respond to Webhook",
"type": "main",
"index": 0
}
]
]
},
"Extract from File": {
"main": [
[
{
"node": "Normalize Document",
"type": "main",
"index": 0
}
]
]
},
"Validate Text Length": {
"main": [
[
{
"node": "Basic LLM Chain",
"type": "main",
"index": 0
}
],
[
{
"node": "Unsupported Scanned Document",
"type": "main",
"index": 0
}
]
]
},
"Unsupported Scanned Document": {
"main": [
[
{
"node": "Respond to Webhook1",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "Basic LLM Chain",
"type": "ai_languageModel",
"index": 0
},
{
"node": "Structured Output Parser1",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Structured Output Parser1": {
"ai_outputParser": [
[
{
"node": "Basic LLM Chain",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"Basic LLM Chain": {
"main": [
[
{
"node": "Parse AI Output",
"type": "main",
"index": 0
}
]
]
},
"Switch": {
"main": [
[
{
"node": "LOW Priority",
"type": "main",
"index": 0
}
],
[
{
"node": "MEDIUM Priority",
"type": "main",
"index": 0
}
],
[
{
"node": "HIGH Priority",
"type": "main",
"index": 0
}
]
]
},
"Merge": {
"main": [
[
{
"node": "Append row in sheet",
"type": "main",
"index": 0
}
]
]
},
"Append row in sheet": {
"main": [
[
{
"node": "Generate HTML Contract Report",
"type": "main",
"index": 0
}
]
]
},
"Send a message": {
"main": [
[
{
"node": "Respond with Success",
"type": "main",
"index": 0
}
]
]
},
"Normalize Document": {
"main": [
[
{
"node": "Validate Text Length",
"type": "main",
"index": 0
}
]
]
},
"Parse AI Output": {
"main": [
[
{
"node": "Switch",
"type": "main",
"index": 0
}
]
]
},
"LOW Priority": {
"main": [
[
{
"node": "Merge",
"type": "main",
"index": 0
}
]
]
},
"MEDIUM Priority": {
"main": [
[
{
"node": "Merge",
"type": "main",
"index": 1
}
]
]
},
"HIGH Priority": {
"main": [
[
{
"node": "Merge",
"type": "main",
"index": 2
}
]
]
},
"Generate HTML Contract Report": {
"main": [
[
{
"node": "Send a message",
"type": "main",
"index": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1",
"binaryMode": "separate",
"availableInMCP": false
},
"nodeGroups": [],
"tags": []
}
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About this workflow
AI Contract Reviewer. Uses chainLlm, lmChatOpenAi, outputParserStructured, googleSheets. Webhook trigger; 31 nodes.
Source: https://github.com/1liasx/AI-Contract-Reviewer/blob/main/workflow/ai-contract-reviewer.public.json — original creator credit. Request a take-down →
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