This workflow follows the HTTP Request → Postgres recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
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{
"name": "07 - Social Media Auto-Post",
"nodes": [
{
"parameters": {
"rule": {
"interval": [
{
"field": "cronExpression",
"expression": "0 10,14,18 * * *"
}
]
}
},
"id": "schedule-trigger",
"name": "3x t\u00e4glich (10, 14, 18 Uhr)",
"type": "n8n-nodes-base.scheduleTrigger",
"typeVersion": 1,
"position": [
250,
300
]
},
{
"parameters": {
"operation": "select",
"schema": "public",
"table": "products",
"where": "is_active = true AND stock > 0",
"options": {
"limit": 5,
"orderBy": "trend_score DESC, rating DESC"
}
},
"id": "get-trending",
"name": "Supabase - Trending Produkte",
"type": "n8n-nodes-base.postgres",
"typeVersion": 1,
"position": [
450,
300
]
},
{
"parameters": {
"jsCode": "const products = $input.all().map(i => i.json);\nconst randomProduct = products[Math.floor(Math.random() * products.length)];\nreturn [{ json: randomProduct }];"
},
"id": "select-random",
"name": "Zuf\u00e4lliges Produkt w\u00e4hlen",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
650,
300
]
},
{
"parameters": {
"url": "https://api.opencode.ai/v1/chat/completions",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={\n \"model\": \"grok-code\",\n \"messages\": [\n {\n \"role\": \"system\",\n \"content\": \"Du bist ein Social Media Marketing-Experte. Erstelle ansprechende Posts f\u00fcr Instagram, TikTok und Facebook. Nutze passende Emojis und Hashtags. Gib ein JSON zur\u00fcck mit: instagram_caption, tiktok_caption, facebook_post, hashtags (Array).\"\n },\n {\n \"role\": \"user\",\n \"content\": \"Erstelle Social Media Posts f\u00fcr dieses Produkt: {{ $json.name }} - {{ $json.description }}. Preis: {{ $json.price }}\u20ac. Kategorie: {{ $json.category }}.\"\n }\n ],\n \"temperature\": 0.9,\n \"max_tokens\": 800\n}",
"options": {}
},
"id": "opencode-content",
"name": "OpenCode - Content generieren",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 3,
"position": [
850,
300
]
},
{
"parameters": {
"jsCode": "const response = $input.first().json;\nconst content = response.choices[0].message.content;\nconst product = $node['Zuf\u00e4lliges Produkt w\u00e4hlen'].json;\n\nlet parsed = {};\ntry {\n const jsonMatch = content.match(/\\{.*\\}/s);\n if (jsonMatch) {\n parsed = JSON.parse(jsonMatch[0]);\n }\n} catch (e) {\n parsed = {\n instagram_caption: content,\n tiktok_caption: content,\n facebook_post: content,\n hashtags: ['shop', 'online', 'deal']\n };\n}\n\nreturn [{\n json: {\n ...parsed,\n product_id: product.id,\n product_name: product.name,\n product_image: product.images?.[0] || '',\n product_url: `https://simone-shop.de/products/${product.id}`\n }\n}];"
},
"id": "parse-content",
"name": "Content parsen",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1050,
300
]
},
{
"parameters": {
"url": "={{ $env.CLAWDBOT_WEBHOOK_URL }}/social-post",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={\n \"platforms\": [\"instagram\", \"tiktok\", \"facebook\"],\n \"content\": {\n \"instagram\": {\n \"caption\": \"{{ $json.instagram_caption }}\",\n \"image\": \"{{ $json.product_image }}\",\n \"link\": \"{{ $json.product_url }}\"\n },\n \"tiktok\": {\n \"caption\": \"{{ $json.tiktok_caption }}\",\n \"link\": \"{{ $json.product_url }}\"\n },\n \"facebook\": {\n \"text\": \"{{ $json.facebook_post }}\",\n \"image\": \"{{ $json.product_image }}\",\n \"link\": \"{{ $json.product_url }}\"\n }\n },\n \"hashtags\": {{ JSON.stringify($json.hashtags) }},\n \"schedule\": \"now\"\n}",
"options": {}
},
"id": "clawdbot-post",
"name": "ClawdBot - Posts ver\u00f6ffentlichen",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 3,
"position": [
1250,
300
]
},
{
"parameters": {
"operation": "insert",
"schema": "public",
"table": "social_posts",
"columns": "product_id, platforms, content, posted_at",
"additionalFields": {}
},
"id": "log-post",
"name": "Supabase - Post loggen",
"type": "n8n-nodes-base.postgres",
"typeVersion": 1,
"position": [
1450,
300
]
}
],
"connections": {
"3x t\u00e4glich (10, 14, 18 Uhr)": {
"main": [
[
{
"node": "Supabase - Trending Produkte",
"type": "main",
"index": 0
}
]
]
},
"Supabase - Trending Produkte": {
"main": [
[
{
"node": "Zuf\u00e4lliges Produkt w\u00e4hlen",
"type": "main",
"index": 0
}
]
]
},
"Zuf\u00e4lliges Produkt w\u00e4hlen": {
"main": [
[
{
"node": "OpenCode - Content generieren",
"type": "main",
"index": 0
}
]
]
},
"OpenCode - Content generieren": {
"main": [
[
{
"node": "Content parsen",
"type": "main",
"index": 0
}
]
]
},
"Content parsen": {
"main": [
[
{
"node": "ClawdBot - Posts ver\u00f6ffentlichen",
"type": "main",
"index": 0
}
]
]
},
"ClawdBot - Posts ver\u00f6ffentlichen": {
"main": [
[
{
"node": "Supabase - Post loggen",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
},
"staticData": null,
"tags": [
"social-media",
"marketing",
"automation"
],
"triggerCount": 0,
"active": true
}
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About this workflow
07 - Social Media Auto-Post. Uses postgres, httpRequest. Scheduled trigger; 7 nodes.
Source: https://github.com/Delqhi-Projects/opendocs/blob/69e53ca85cefb8b02fde4e6575f6b9499f3a0a42/n8n-workflows/07-social-media-post.json — original creator credit. Request a take-down →
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