{ "name": "read-papers", "nodes": [ { "parameters": { "httpMethod": "POST", "path": "upload-paper", "responseMode": "responseNode", "options": {} }, "id": "0cf693b1-4dfa-4bec-a485-ad07b40599fc", "name": "\ud83d\udce5 Receive PDF", "type": "n8n-nodes-base.webhook", "typeVersion": 2, "position": [ -120, 0 ] }, { "parameters": { "jsCode": "const binaryData = $input.item.binary;\n\nif (!binaryData || Object.keys(binaryData).length === 0) {\n throw new Error('No file received. Make sure you are sending the PDF as form-data in Postman with key type set to File.');\n}\n\n// Get whatever field name Postman used (data, file, etc.)\nconst fieldName = Object.keys(binaryData)[0];\nconst field = binaryData[fieldName];\n\nif (!field.data) {\n throw new Error('Binary field found but has no data. Re-check your Postman setup.');\n}\n\nreturn [{\n json: {\n base64: field.data,\n mimeType: field.mimeType || 'application/pdf',\n fileName: field.fileName || 'paper.pdf'\n }\n}];" }, "id": "9679c801-b0fc-4ac7-8908-ca9c699eaf24", "name": "\ud83d\udce6 Extract Base64", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 120, 0 ] }, { "parameters": { "method": "POST", "url": "=https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash:generateContent?key=add-your-own-key", "sendBody": true, "contentType": "raw", "rawContentType": "application/json", "body": "={\n \"contents\": [{\n \"parts\": [\n {\n \"inline_data\": {\n \"mime_type\": \"{{ $json.mimeType }}\",\n \"data\": \"{{ $json.base64 }}\"\n }\n },\n {\n \"text\": \"You are an expert AI research analyst. Analyze this AI research paper and return a structured digest using clean HTML only (use

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,
tags).\\n\\nInclude exactly these 3 sections:\\n\\n
\ud83d\udd2c Key Findings & Conclusions
\\nCore results, contributions, and what the paper proves. Bullet points.\\n\\n
\u26a0\ufe0f Limitations
\\nWeaknesses, gaps, or constraints \u2014 acknowledged or evident. Bullet points.\\n\\n
\ud83d\ude80 Possible Improvements
\\nConcrete future directions, enhancements, or open problems. Bullet points.\\n\\nBe concise but insightful. HTML only, no markdown.\"\n }\n ]\n }]\n}", "options": {} }, "id": "b0088ed1-5ad4-4fd0-870a-824b7df6c29d", "name": "\ud83e\udd16 Gemini \u2014 Analyze Paper", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.2, "position": [ 360, 0 ] }, { "parameters": { "jsCode": "const response = $input.item.json;\n\n// Extract Gemini's HTML summary\nconst summary = response.candidates?.[0]?.content?.parts?.[0]?.text;\n\nif (!summary) {\n throw new Error('Gemini returned no content. Check your API key or PDF format.');\n}\n\n// Get paper filename from extract node\nconst paperName = $('\ud83d\udce6 Extract Base64').item.json.fileName || 'AI Research Paper';\n\n// Build styled HTML email\nconst now = new Date();\nconst date = now.toLocaleDateString('en-US', {\n weekday: 'long', year: 'numeric', month: 'long', day: 'numeric'\n});\nconst time = now.toLocaleTimeString('en-US', { hour: '2-digit', minute: '2-digit' });\n\nconst emailHtml = `\n\n\n\n \n \n\n\n
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\ud83e\udde0 AI Paper Digest
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${date} at ${time}
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\ud83d\udcc4 ${paperName}
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\n ${summary}\n
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Generated by your n8n AI Paper Digest \ud83e\udd16
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Powered by Gemini
\n
\n
\n\n`;\n\nreturn [{\n json: {\n html: emailHtml,\n subject: `\ud83e\udde0 AI Digest: ${paperName}`,\n paperName: paperName,\n timestamp: now.toISOString()\n }\n}];" }, "id": "2be6aca1-d0ee-4671-b552-4473ace65abc", "name": "\ud83c\udfa8 Build Email HTML", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 620, 0 ] }, { "parameters": { "method": "POST", "url": "https://api.resend.com/emails", "sendHeaders": true, "headerParameters": { "parameters": [ { "name": "Authorization", "value": "Bearer add-your-own-resend-api-key" }, { "name": "Content-Type", "value": "application/json" } ] }, "sendBody": true, "contentType": "raw", "rawContentType": "application/json", "body": "={\n \"from\": \"AI Digest \",\n \"to\": [\"add-your-own-email@example.com\"],\n \"subject\": {{ JSON.stringify($json.subject) }},\n \"html\": {{ JSON.stringify($json.html) }}\n}", "options": {} }, "id": "cbdb8c35-6736-4ff9-9241-3f3b192221b3", "name": "\ud83d\udce7 Send via Resend", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.2, "position": [ 880, 0 ] }, { "parameters": { "respondWith": "json", "responseBody": "={\n \"status\": \"success\",\n \"message\": \"\u2705 Paper analyzed & email sent!\",\n \"paper\": \"{{ $('\ud83c\udfa8 Build Email HTML').item.json.paperName }}\",\n \"emailId\": \"{{ $json.id }}\",\n \"sentAt\": \"{{ $('\ud83c\udfa8 Build Email HTML').item.json.timestamp }}\"\n}", "options": {} }, "id": "490b27f9-8921-4e9d-bd43-9ceb629914c2", "name": "\u2705 Respond to Caller", "type": "n8n-nodes-base.respondToWebhook", "typeVersion": 1, "position": [ 1140, 0 ] } ], "connections": { "\ud83d\udce5 Receive PDF": { "main": [ [ { "node": "\ud83d\udce6 Extract Base64", "type": "main", "index": 0 } ] ] }, "\ud83d\udce6 Extract Base64": { "main": [ [ { "node": "\ud83e\udd16 Gemini \u2014 Analyze Paper", "type": "main", "index": 0 } ] ] }, "\ud83e\udd16 Gemini \u2014 Analyze Paper": { "main": [ [ { "node": "\ud83c\udfa8 Build Email HTML", "type": "main", "index": 0 } ] ] }, "\ud83c\udfa8 Build Email HTML": { "main": [ [ { "node": "\ud83d\udce7 Send via Resend", "type": "main", "index": 0 } ] ] }, "\ud83d\udce7 Send via Resend": { "main": [ [ { "node": "\u2705 Respond to Caller", "type": "main", "index": 0 } ] ] } }, "active": false, "settings": { "executionOrder": "v1" }, "versionId": "d580ee5a-f41e-4b75-b785-e5260955737e", "id": "lZxqtU90tu7kSwut", "tags": [] }