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 →
{
"nodes": [
{
"parameters": {
"httpMethod": "POST",
"path": "teaching-genome/feedback",
"responseMode": "responseNode",
"options": {}
},
"id": "webhook-feedback",
"name": "Webhook - Weekly Feedback",
"position": [
0,
0
],
"type": "n8n-nodes-base.webhook",
"typeVersion": 2.1
},
{
"parameters": {
"tableId": "feedback_journals",
"fieldsUi": {
"fieldValues": [
{
"fieldId": "course_id",
"fieldValue": "={{ $json.body.course_id }}"
},
{
"fieldId": "week_number",
"fieldValue": "={{ $json.body.week_number }}"
},
{
"fieldId": "lecturer_reflection",
"fieldValue": "={{ $json.body.reflection_text }}"
},
{
"fieldId": "status",
"fieldValue": "submitted"
}
]
}
},
"id": "store-feedback",
"name": "Store Feedback",
"position": [
304,
0
],
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"batchSize": 1,
"options": {}
},
"id": "loop-weeks",
"name": "Loop - Affected Weeks",
"position": [
1200,
0
],
"type": "n8n-nodes-base.splitInBatches",
"typeVersion": 2
},
{
"parameters": {
"operation": "update",
"tableId": "weeks",
"filters": {
"conditions": [
{
"keyName": "course_id",
"condition": "eq",
"keyValue": "={{ $('Code in JavaScript').item.json.course_id }}"
},
{
"keyName": "week_number",
"condition": "eq",
"keyValue": "={{ $('Code in JavaScript').item.json.week_number }}"
}
]
},
"fieldsUi": {
"fieldValues": [
{
"fieldId": "teaching_notes",
"fieldValue": "={{ $('Code in JavaScript').item.json.teaching_notes }}"
},
{
"fieldId": "discussion_prompts",
"fieldValue": "={{ JSON.stringify($('Code in JavaScript').item.json.discussion_prompts) }}"
},
{
"fieldId": "activity_ideas",
"fieldValue": "={{ JSON.stringify($('Code in JavaScript').item.json.activity_ideas) }}\n"
}
]
}
},
"id": "store-updated",
"name": "Store Updated Week",
"position": [
1760,
16
],
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"respondWith": "json",
"responseBody": "={{ JSON.stringify({ ok: true, message: \"Feedback processed. Weeks updated and ready for review.\" }) }}",
"options": {}
},
"id": "respond-processed",
"name": "Return Processed",
"position": [
2128,
48
],
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.5
},
{
"parameters": {
"modelId": {
"__rl": true,
"value": "models/gemini-2.0-flash",
"mode": "list",
"cachedResultName": "models/gemini-2.0-flash"
},
"messages": {
"values": [
{
"content": "=You are an expert educational analyst. A lecturer submitted weekly feedback \n about their teaching experience.\n \n Course ID: {{ $('Webhook - Weekly Feedback').item.json.body.course_id }}\n Week: {{ $('Webhook - Weekly Feedback').item.json.body.week_number }}\n Lecturer Reflection: {{ $json.body.reflection_text }}\n\n Analyze this feedback and extract key issues. Return ONLY a raw JSON object\n with no markdown:\n {\n \"concept_struggles\": [\"string - concepts students found difficult\"],\n \"timing_issues\": [\"string - pacing or time management problems\"],\n \"engagement_notes\": [\"string - what worked or did not work for engagement\"],\n \"suggestions\": [\"string - lecturer suggestions for improvement\"],\n \"affected_weeks\": [5, 6, 7]\n }\n\n Rules:\n - Each array must have 1 to 4 items\n - affected_weeks must list week numbers AFTER the current week that need\n adjustment based on the feedback\n - Do not use apostrophes or contractions\n - Output must be parseable by JSON.parse()\n\n"
}
]
},
"builtInTools": {},
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.googleGemini",
"typeVersion": 1.2,
"position": [
528,
0
],
"id": "7ae52405-77d6-4958-a774-7fac18f506bc",
"name": "extract issues",
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"modelId": {
"__rl": true,
"value": "models/gemini-2.0-flash",
"mode": "list",
"cachedResultName": "models/gemini-2.0-flash"
},
"messages": {
"values": [
{
"content": "= You are an expert curriculum designer. Regenerate the teaching content for\n week {{ $json.week_number }}.\n\n Current issues to address:\n - Teaching notes: {{ $json.teaching_notes }}\n - Discussion prompts: {{ JSON.stringify($json.discussion_prompts) }}\n\n Expand and improve this content. Return ONLY a raw JSON object with no\n markdown:\n {\n \"week_number\": {{ $json.week_number }},\n \"teaching_notes\": \"string - comprehensive 2-3 paragraph teaching strategy\n with timing breakdown, engagement techniques, real-world examples, and how to\n address student struggles\",\n \"discussion_prompts\": [\"string\", \"string\", \"string\"],\n \"activity_ideas\": [\"string - detailed activity with step-by-step\n instructions\", \"string\", \"string\"]\n }\n\n Rules:\n - teaching_notes must be detailed and actionable for the lecturer\n - Do not use apostrophes or contractions\n - Output must be parseable by JSON.parse()"
}
]
},
"builtInTools": {},
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.googleGemini",
"typeVersion": 1.2,
"position": [
1440,
-32
],
"id": "5b0600b7-2253-4203-8ba0-974caac4b994",
"name": "regnrate week content",
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"jsCode": " const raw = $input.first().json.content.parts[0].text; \n \n let cleaned = raw \n .replace(/```json\\n?/g, '')\n .replace(/```\\n?/g, '') \n .trim(); \n\n const arrayMatch = cleaned.match(/\\[[\\s\\S]*\\]/);\n if (!arrayMatch) throw new Error('No JSON array found');\n cleaned = arrayMatch[0];\n\n const weeks = JSON.parse(cleaned);\n\n return weeks.map(week => {\n const prompts = Array.isArray(week.discussion_prompts) ?\n week.discussion_prompts : [];\n const activities = Array.isArray(week.activity_ideas) ? week.activity_ideas\n : [];\n return { json: {\n course_id: $('Webhook - Weekly Feedback').item.json.body.course_id,\n week_number: week.week_number,\n teaching_notes: week.teaching_notes || '',\n discussion_prompts: prompts,\n activity_ideas: activities\n } };\n });\n"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1040,
0
],
"id": "36c37bb2-4d9a-4f93-96b9-3f185f437c1d",
"name": "Code in JavaScript"
},
{
"parameters": {
"modelId": {
"__rl": true,
"value": "models/gemini-2.0-flash",
"mode": "list",
"cachedResultName": "models/gemini-2.0-flash"
},
"messages": {
"values": [
{
"content": "= You are an expert curriculum advisor. Based on lecturer feedback from week {{\n $('Webhook - Weekly Feedback').item.json.body.week_number }}, generate updated\n content for the affected weeks.\n\n Feedback issues identified:\n {{ $('extract issues').first().json.content.parts[0].text }} \n Course ID: {{ $('Webhook - Weekly Feedback').item.json.body.course_id }}\n\n Generate adjusted content for each affected week. Return ONLY a raw JSON array\n with no markdown:\n [\n {\n \"week_number\": 5,\n \"teaching_notes\": \"string - updated detailed teaching strategy addressing\n the feedback issues, including how to adjust delivery, what to reinforce, and\n how to handle student struggles\",\n \"discussion_prompts\": [\"string - updated discussion question\", \"string\",\n \"string\"],\n \"activity_ideas\": [\"string - specific activity addressing the feedback\",\n \"string\"]\n }\n ]\n\n Rules:\n - Only include weeks that genuinely need changes based on the feedback\n - teaching_notes must directly address the issues raised in the feedback\n - discussion_prompts must have 3 to 5 items per week\n - activity_ideas must have 2 to 3 items per week\n - Do not use apostrophes or contractions\n - Output must be parseable by JSON.parse()"
}
]
},
"builtInTools": {},
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.googleGemini",
"typeVersion": 1.2,
"position": [
768,
0
],
"id": "bc0f6743-220d-4931-8773-55fac098a27e",
"name": "genrate adjustemnt",
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
}
}
],
"connections": {
"Webhook - Weekly Feedback": {
"main": [
[
{
"index": 0,
"node": "Store Feedback",
"type": "main"
}
]
]
},
"Store Feedback": {
"main": [
[
{
"node": "extract issues",
"type": "main",
"index": 0
}
]
]
},
"Loop - Affected Weeks": {
"main": [
[
{
"node": "regnrate week content",
"type": "main",
"index": 0
}
],
[
{
"node": "Return Processed",
"type": "main",
"index": 0
}
]
]
},
"Store Updated Week": {
"main": [
[
{
"node": "Loop - Affected Weeks",
"type": "main",
"index": 0
}
]
]
},
"extract issues": {
"main": [
[
{
"node": "genrate adjustemnt",
"type": "main",
"index": 0
}
]
]
},
"regnrate week content": {
"main": [
[
{
"node": "Store Updated Week",
"type": "main",
"index": 0
}
]
]
},
"Code in JavaScript": {
"main": [
[
{
"node": "Loop - Affected Weeks",
"type": "main",
"index": 0
}
]
]
},
"genrate adjustemnt": {
"main": [
[
{
"node": "Code in JavaScript",
"type": "main",
"index": 0
}
]
]
}
},
"meta": {
"templateCredsSetupCompleted": true
}
}
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.
googlePalmApisupabaseApi
Pro
For the full experience including quality scoring and batch install features for each workflow upgrade to Pro
About this workflow
Feedback-And-Iterate. Uses supabase, googleGemini. Webhook trigger; 9 nodes.
Source: https://github.com/anas318/teaching-genome/blob/main/n8n-workflows/feedback-and-iterate.json — original creator credit. Request a take-down →
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