The workflow JSON
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{
"_meta": {
"notes": "All credentials replaced with ${ENV_VAR} placeholders. Configure via Doppler or .env. This is the draft variant using $env (env-based) auth \u2014 no n8n credential setup needed beyond GITHUB_PAT."
},
"name": "G_A_trend_scanner",
"nodes": [
{
"parameters": {
"rule": {
"interval": [
{
"field": "cronExpression",
"expression": "0 */6 * * *"
}
]
},
"triggerAtStartup": false,
"timezone": "Europe/Berlin"
},
"id": "trigger-cron-6h",
"name": "Every 6h Berlin",
"type": "n8n-nodes-base.scheduleTrigger",
"typeVersion": 1.1,
"position": [
240,
300
]
},
{
"parameters": {
"url": "https://api.github.com/search/repositories",
"sendQuery": true,
"queryParameters": {
"parameters": [
{
"name": "q",
"value": "created:>{{ $now.minus({days: 2}).toISODate() }} stars:>20 topic:llm OR topic:agent OR topic:mcp"
},
{
"name": "sort",
"value": "stars"
},
{
"name": "order",
"value": "desc"
},
{
"name": "per_page",
"value": "25"
}
]
},
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Accept",
"value": "application/vnd.github+json"
},
{
"name": "X-GitHub-Api-Version",
"value": "2022-11-28"
},
{
"name": "Authorization",
"value": "=Bearer {{ $env.GITHUB_PAT }}"
}
]
},
"options": {
"timeout": 30000
}
},
"id": "http-github-trending",
"name": "GitHub: trending repos 2d",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
460,
200
]
},
{
"parameters": {
"url": "https://hn.algolia.com/api/v1/search",
"sendQuery": true,
"queryParameters": {
"parameters": [
{
"name": "query",
"value": "AI OR LLM OR agent OR MCP OR claude OR anthropic"
},
{
"name": "tags",
"value": "story"
},
{
"name": "numericFilters",
"value": "points>50,created_at_i>{{ Math.floor($now.minus({hours: 24}).toSeconds()) }}"
},
{
"name": "hitsPerPage",
"value": "30"
}
]
},
"options": {
"timeout": 20000
}
},
"id": "http-hn-search",
"name": "HN Algolia: AI stories 24h",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
460,
400
]
},
{
"parameters": {
"mode": "runOnceForEachItem",
"jsCode": "// GitHub repo \u2192 trend_signal row\nconst repo = $json;\nreturn {\n json: {\n source: 'github',\n source_id: String(repo.id),\n title: repo.full_name + ' \u2014 ' + (repo.description || '(no description)').slice(0, 200),\n url: repo.html_url,\n score: repo.stargazers_count,\n raw: {\n language: repo.language,\n topics: repo.topics || [],\n stars: repo.stargazers_count,\n forks: repo.forks_count,\n owner: repo.owner?.login,\n created_at: repo.created_at,\n description: repo.description\n }\n }\n};"
},
"id": "normalize-github",
"name": "Normalize GitHub",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
680,
200
]
},
{
"parameters": {
"mode": "runOnceForEachItem",
"jsCode": "// HN story \u2192 trend_signal row\nconst hit = $json;\nreturn {\n json: {\n source: 'hn',\n source_id: String(hit.objectID),\n title: hit.title,\n url: hit.url || ('https://news.ycombinator.com/item?id=' + hit.objectID),\n score: hit.points,\n raw: {\n author: hit.author,\n num_comments: hit.num_comments,\n created_at: hit.created_at,\n tags: hit._tags\n }\n }\n};"
},
"id": "normalize-hn",
"name": "Normalize HN",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
680,
400
]
},
{
"parameters": {},
"id": "merge-sources",
"name": "Merge sources",
"type": "n8n-nodes-base.merge",
"typeVersion": 3,
"position": [
900,
300
]
},
{
"parameters": {
"method": "POST",
"url": "={{ $env.SUPABASE_GENESIS_URL }}/rest/v1/trend_signals",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "apikey",
"value": "={{ $env.SUPABASE_GENESIS_SERVICE_KEY }}"
},
{
"name": "Authorization",
"value": "=Bearer {{ $env.SUPABASE_GENESIS_SERVICE_KEY }}"
},
{
"name": "Content-Type",
"value": "application/json"
},
{
"name": "Prefer",
"value": "resolution=ignore-duplicates,return=minimal"
}
]
},
"sendBody": true,
"bodyContentType": "json",
"jsonBody": "={{ JSON.stringify($json) }}",
"options": {
"timeout": 15000
}
},
"id": "supabase-upsert",
"name": "Supabase: upsert trend_signal",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
1120,
300
]
},
{
"parameters": {
"jsCode": "// Aggregate report: how many signals were written per source\nconst items = $input.all();\nconst bySource = items.reduce((acc, it) => {\n const s = it.json?.source || 'unknown';\n acc[s] = (acc[s] || 0) + 1;\n return acc;\n}, {});\nreturn [{\n json: {\n run_at: new Date().toISOString(),\n total_signals: items.length,\n by_source: bySource\n }\n}];"
},
"id": "aggregate",
"name": "Aggregate run report",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1340,
300
]
}
],
"connections": {
"Every 6h Berlin": {
"main": [
[
{
"node": "GitHub: trending repos 2d",
"type": "main",
"index": 0
},
{
"node": "HN Algolia: AI stories 24h",
"type": "main",
"index": 0
}
]
]
},
"GitHub: trending repos 2d": {
"main": [
[
{
"node": "Normalize GitHub",
"type": "main",
"index": 0
}
]
]
},
"HN Algolia: AI stories 24h": {
"main": [
[
{
"node": "Normalize HN",
"type": "main",
"index": 0
}
]
]
},
"Normalize GitHub": {
"main": [
[
{
"node": "Merge sources",
"type": "main",
"index": 0
}
]
]
},
"Normalize HN": {
"main": [
[
{
"node": "Merge sources",
"type": "main",
"index": 1
}
]
]
},
"Merge sources": {
"main": [
[
{
"node": "Supabase: upsert trend_signal",
"type": "main",
"index": 0
}
]
]
},
"Supabase: upsert trend_signal": {
"main": [
[
{
"node": "Aggregate run report",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1",
"saveManualExecutions": true,
"saveExecutionProgress": true,
"timezone": "Europe/Berlin"
},
"staticData": null,
"meta": {
"notes": "GENESIS Module A v0 \u2014 trend scanner. GitHub + HN. Reddit+PH planned for Day 3. Requires: GITHUB_PAT credential + SUPABASE_GENESIS_* env vars. ON CONFLICT (source, source_id) DO NOTHING (Prefer: resolution=ignore-duplicates)."
}
}
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About this workflow
G_A_trend_scanner. Uses httpRequest. Scheduled trigger; 8 nodes.
Source: https://github.com/DenisShokhirev041279/genesis-content-os/blob/main/workflows/G_A_trend_scanner.draft.json — original creator credit. Request a take-down →
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