{ "edges": [ { "to": "60c542e3-54cb-4807-8a3d-d5a4d9e66955", "from": "6d08a274-6a10-42ae-a345-2927f7a6f328", "toPort": "0", "fromPort": "0" }, { "to": "843abcb3-3ce4-4c56-bdb6-d429b5e03fe6", "from": "c57dd724-8b61-47db-b691-4b24713e4c47", "toPort": "0", "fromPort": "0" }, { "to": "902e6dab-22d3-4351-b944-23dfe4d9bc65", "from": "843abcb3-3ce4-4c56-bdb6-d429b5e03fe6", "toPort": "0", "fromPort": "0" }, { "to": "1e2287ad-16dd-4425-87e9-24e9665d54d0", "from": "f92e4530-b581-465a-a735-09d837eb90c9", "toPort": "0", "fromPort": "0" }, { "to": "f92e4530-b581-465a-a735-09d837eb90c9", "from": "f65d636a-1837-45f1-a4b9-0d2cd8e34ff6", "toPort": "0", "fromPort": "0" }, { "to": "05c18cad-9faf-4ddf-96f1-0643b9bdbebf", "from": "60c542e3-54cb-4807-8a3d-d5a4d9e66955", "toPort": "0", "fromPort": "0" }, { "to": "f65d636a-1837-45f1-a4b9-0d2cd8e34ff6", "from": "05c18cad-9faf-4ddf-96f1-0643b9bdbebf", "toPort": "0", "fromPort": "0" }, { "to": "c57dd724-8b61-47db-b691-4b24713e4c47", "from": "e870c110-1271-4efd-b17c-13e537e99203", "toPort": "0", "fromPort": "0" }, { "to": "6d08a274-6a10-42ae-a345-2927f7a6f328", "from": "e2048ffc-e1be-4585-bc37-d6b5a9d0f08e", "toPort": "0", "fromPort": "0" } ], "nodes": [ { "id": "e2048ffc-e1be-4585-bc37-d6b5a9d0f08e", "name": "When clicking 'Execute workflow'", "type": "manualTrigger", "params": {}, "position": [ 448, 352 ] }, { "id": "1e2287ad-16dd-4425-87e9-24e9665d54d0", "name": "Upsert Approval Page", "type": "integration", "params": { "service": "pdftoolkit", "pageName": "=Dashboard", "resource": "page", "operation": "upsert", "htmlContent": "={{ $json.html }}", "__originalType": "@custom-js/n8n-nodes-pdf-toolkit-v2.pdfToolkit" }, "position": [ 1824, 352 ] }, { "id": "6d08a274-6a10-42ae-a345-2927f7a6f328", "name": "Get many messages", "type": "integration", "params": { "limit": 10, "filters": { "readStatus": "unread" }, "service": "gmail", "operation": "getAll" }, "position": [ 640, 352 ] }, { "id": "e870c110-1271-4efd-b17c-13e537e99203", "name": "Webhook - Receive Approval", "type": "trigger", "params": { "kind": "n8n-nodes-base.webhook", "path": "email-reply-submit", "options": {}, "httpMethod": "POST", "responseMode": "lastNode" }, "position": [ 464, 816 ] }, { "id": "c57dd724-8b61-47db-b691-4b24713e4c47", "name": "Extract Reply Data", "type": "code", "params": { "jsCode": "var body = $input.all()[0].json.body;\nvar replyData = {\n approvedReply: body.approvedReply || \"\",\n originalFrom: body.originalFrom || \"\",\n originalFromName: body.originalFromName || \"\",\n originalSubject: body.originalSubject || \"\",\n messageId: body.messageId || \"\",\n threadId: body.threadId || \"\",\n approvedAt: new Date().toISOString()\n};\nreturn [{ json: replyData }];" }, "position": [ 832, 816 ] }, { "id": "60c542e3-54cb-4807-8a3d-d5a4d9e66955", "name": "Filter No Reply Emails", "type": "code", "params": { "jsCode": "const filtered = $input.all().filter(item => {\n const json = item.json || {};\n\n const from =\n (json.from ||\n json.From ||\n json.sender ||\n \"\").toLowerCase();\n\n // Exclude common no-reply patterns\n const blockedPatterns = [\n \"no-reply\",\n \"noreply\",\n \"do-not-reply\",\n \"donotreply\"\n ];\n\n return !blockedPatterns.some(pattern =>\n from.includes(pattern)\n );\n});\n\nreturn filtered;" }, "position": [ 832, 352 ] }, { "id": "05c18cad-9faf-4ddf-96f1-0643b9bdbebf", "name": "Generate AI Draft Reply", "type": "llm", "params": { "modelId": { "__rl": true, "mode": "list", "value": "gpt-5", "cachedResultName": "GPT-5" }, "options": {}, "provider": "openai", "responses": { "values": [ { "content": "=Email Subject: {{ $json.Subject }},\nEmail Body: {{ $json.snippet }}\nEmail From: {{ $json.From }}\nEmail To: {{ $json.To }}\n\nCan you please just return the email reply no subject." } ] }, "builtInTools": {} }, "position": [ 1056, 352 ] }, { "id": "f65d636a-1837-45f1-a4b9-0d2cd8e34ff6", "name": "Format Email Drafts", "type": "code", "params": { "jsCode": "// Iterate on each input item.\n// This code is meant for an n8n Code node.\n\nconst items = $('Filter No Reply Emails').all();\nconst aiItems = $('Generate AI Draft Reply').all();\n\nreturn items.map((item, index) => {\n const data = item.json;\n const aiDraft = aiItems[index].json?.output?.[0]?.content?.[0]?.text;\n \n const email = {\n from: data.From,\n fromName: data.From,\n subject: data.Subject,\n body: data.snippet,\n date: data.internalDate,\n messageId: data.id,\n threadId: data.threadId,\n aiDraft: aiDraft,\n };\n\n return {\n json: email,\n };\n});\n" }, "position": [ 1392, 352 ] }, { "id": "f92e4530-b581-465a-a735-09d837eb90c9", "name": "Build Approval Page", "type": "code", "params": { "jsCode": "// Aggregates all email items into a single inbox-style HTML page.\n\nconst items = $input.all();\n\n// Normalize incoming emails safely\nconst emails = items.map(item => {\n const json = item.json || {};\n\n return {\n from: json.from || \"\",\n fromName: json.fromName || json.from || \"Unknown Sender\",\n subject: json.subject || \"(No Subject)\",\n body: json.body || \"\",\n date: json.date || Date.now(),\n messageId: json.messageId || Math.random().toString(36).slice(2),\n threadId: json.threadId || \"\",\n aiDraft: json.aiDraft || \"\",\n };\n});\n\n// ⚙️ CONFIGURE: Set your n8n instance base URL here.\nconst N8N_BASE_URL = \"http://localhost:5678\";\n\n// Use \"webhook-test\" while testing, \"webhook\" in production.\nconst webhookPrefix = \"webhook-test\";\n\nconst SUBMIT_URL =\n `${N8N_BASE_URL}/${webhookPrefix}/email-reply-submit`;\n\nconst safeEmails = JSON.stringify(emails)\n .replace(/<\\/script>/gi, \"<\\\\/script>\");\n\nlet html = `\n\n\n \n \n AI Email Reply Assistant\n\n \n \n\n \n\n \n\n\n\n\n\n\n \n

\n AI Email Reply Assistant\n

\n\n

\n Review and approve AI-generated replies\n

\n\n

\n Pending\n

\n\n

\n Sent\n

\n\n

\n\n \n

\n\n \n \n

🎉

All emails handled!

\n\n \n

0\">Select an email

No more emails to review

\n\n \n\n \n

\n\n

\n Original Email\n

\n\n

\n From:\n \n

\n\n

\n Subject:\n \n

\n\n

\n \n\n \n

\n\n

\n AI Draft Reply\n

\n\n \n\n \n \n Approve & Send\n \n\n \n Sending...\n \n \n\n

\n\n \n\n \n \n \n\n\n\n\n\n`;\n\nhtml = html.replace(\n \"%%EMAILS_DATA%%\",\n safeEmails\n);\n\nhtml = html.replace(\n \"%%SUBMIT_URL%%\",\n JSON.stringify(SUBMIT_URL)\n);\n\nreturn [\n {\n json: {\n html\n }\n }\n];" }, "position": [ 1616, 352 ] }, { "id": "843abcb3-3ce4-4c56-bdb6-d429b5e03fe6", "name": "Reply to a message", "type": "integration", "params": { "message": "={{ $json.approvedReply }}", "options": {}, "service": "gmail", "emailType": "text", "messageId": "={{ $json.messageId }}", "operation": "reply" }, "position": [ 1184, 816 ] }, { "id": "902e6dab-22d3-4351-b944-23dfe4d9bc65", "name": "Mark a message as read", "type": "integration", "params": { "service": "gmail", "messageId": "={{ $('Extract Reply Data').item.json.messageId }}", "operation": "markAsRead" }, "position": [ 1584, 816 ] } ] }

Draft and approve Gmail replies with OpenAI and CustomJS