This workflow follows the Execute Workflow Trigger → HTTP Request recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
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{
"name": "PulseMosaic-v1.1-Worker",
"nodes": [
{
"id": "b1-001",
"name": "Execute Workflow Trigger",
"type": "n8n-nodes-base.executeWorkflowTrigger",
"typeVersion": 1,
"position": [
240,
300
],
"parameters": {}
},
{
"id": "b1-002",
"name": "Cache Gate",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
460,
300
],
"parameters": {
"jsCode": "const input = $input.first().json;\nconst topic = input.topic;\nconst config = input.config;\nconst endpoints = input.endpoints;\nconst st = $getWorkflowStaticData('global');\nif (!st.cache) st.cache = {};\nconst ttl = (config.cache_ttl_minutes || 30) * 60 * 1000;\nconst now = Date.now();\n\nif (st.cache[topic] && (now - st.cache[topic].ts < ttl)) {\n return [{\n json: {\n cache_hit: true,\n topic,\n config,\n endpoints,\n cached_items: st.cache[topic].items || [],\n cached_hits: st.cache[topic].items.length\n }\n }];\n}\n\nreturn [{\n json: {\n cache_hit: false,\n topic,\n config,\n endpoints,\n cached_items: [],\n cached_hits: 0\n }\n}];"
}
},
{
"id": "b1-003",
"name": "IF Cache Hit",
"type": "n8n-nodes-base.if",
"typeVersion": 2,
"position": [
680,
300
],
"parameters": {
"conditions": {
"options": {
"caseSensitive": true
},
"conditions": [
{
"leftValue": "={{ $json.cache_hit }}",
"rightValue": true,
"operator": {
"type": "boolean",
"operation": "equals"
}
}
],
"combinator": "and"
}
}
},
{
"id": "b1-004",
"name": "Emit Cached Items",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
900,
200
],
"parameters": {
"jsCode": "const data = $json;\nif (!data.cached_items || data.cached_items.length === 0) {\n return [{ json: { __empty: true, __stream: 'cache', __meta: { cached_hits: 0, api_calls: 0, failed_calls: 0 } } }];\n}\nreturn data.cached_items.map(i => ({\n json: { ...i, meta: { ...i.meta, cached: true }, __meta: { cached_hits: data.cached_items.length, api_calls: 0, failed_calls: 0 } }\n}));"
}
},
{
"id": "b1-005",
"name": "StackExchange",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
900,
400
],
"parameters": {
"method": "GET",
"url": "={{ $('Cache Gate').first().json.endpoints.stackoverflow + encodeURIComponent($('Cache Gate').first().json.topic) }}",
"options": {
"continueOnFail": true
}
}
},
{
"id": "b1-006",
"name": "Norm Stack",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1120,
400
],
"parameters": {
"jsCode": "const gate = $('Cache Gate').first().json;\nconst topic = gate.topic;\nconst data = $json;\n\nif (!data || !data.items || data.error) {\n return [{ json: { __empty: true, __src: 'stackoverflow', __meta: { failed_calls: 1 } } }];\n}\n\nreturn data.items.map(i => ({\n json: {\n source: \"stackoverflow\",\n topic,\n title: i.title,\n url: i.link,\n published_at: new Date(i.creation_date * 1000).toISOString(),\n raw_score: i.score || 0,\n score: (i.score || 0) + (i.answer_count || 0),\n summary_raw: i.body_markdown ? i.body_markdown.substring(0, 200) : null,\n summary: null,\n meta: { author: i.owner?.display_name, venue: \"Stack Overflow\", cached: false }\n }\n}));"
}
},
{
"id": "b1-007",
"name": "GitHub",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
900,
500
],
"parameters": {
"method": "GET",
"url": "={{ $('Cache Gate').first().json.endpoints.github + encodeURIComponent($('Cache Gate').first().json.topic) }}",
"options": {
"continueOnFail": true
}
}
},
{
"id": "b1-008",
"name": "Norm GitHub",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1120,
500
],
"parameters": {
"jsCode": "const gate = $('Cache Gate').first().json;\nconst topic = gate.topic;\nconst data = $json;\n\nif (!data || !data.items || data.error) {\n return [{ json: { __empty: true, __src: 'github', __meta: { failed_calls: 1 } } }];\n}\n\nreturn data.items.map(i => ({\n json: {\n source: \"github\",\n topic,\n title: i.name,\n url: i.html_url,\n published_at: i.updated_at,\n raw_score: 0,\n score: (i.stargazers_count || 0) + (i.forks_count || 0),\n summary_raw: i.description,\n summary: null,\n meta: { author: i.owner?.login, venue: \"GitHub\", cached: false }\n }\n}));"
}
},
{
"id": "b1-009",
"name": "arXiv",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
900,
600
],
"parameters": {
"method": "GET",
"url": "={{ $('Cache Gate').first().json.endpoints.arxiv + encodeURIComponent($('Cache Gate').first().json.topic) }}",
"options": {
"response": {
"response": {
"responseFormat": "text"
}
},
"continueOnFail": true
}
}
},
{
"id": "b1-010",
"name": "Norm arXiv",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1120,
600
],
"parameters": {
"jsCode": "const gate = $('Cache Gate').first().json;\nconst topic = gate.topic;\nconst xmlStr = $json;\n\nif (!xmlStr || xmlStr.error) {\n return [{ json: { __empty: true, __src: 'arxiv', __meta: { failed_calls: 1 } } }];\n}\n\nconst entries = xmlStr.match(/<entry>[\\s\\S]*?<\\/entry>/g) || [];\nif (entries.length === 0) {\n return [{ json: { __empty: true, __src: 'arxiv', __meta: { failed_calls: 0 } } }];\n}\n\nreturn entries.map(e => {\n const title = (e.match(/<title>([\\s\\S]*?)<\\/title>/) || [])[1] || \"\";\n const id = (e.match(/<id>([\\s\\S]*?)<\\/id>/) || [])[1] || \"\";\n const summary = (e.match(/<summary>([\\s\\S]*?)<\\/summary>/) || [])[1] || \"\";\n const published = (e.match(/<published>([\\s\\S]*?)<\\/published>/) || [])[1] || null;\n return {\n json: {\n source: \"arxiv\",\n topic,\n title: title.replace(/\\n/g, ' ').trim(),\n url: id,\n published_at: published,\n raw_score: 0,\n score: 10,\n summary_raw: summary.replace(/<[^>]+>/g, '').trim(),\n summary: null,\n meta: { author: null, venue: \"arXiv\", cached: false }\n }\n };\n});"
}
},
{
"id": "b1-011",
"name": "Merge 1",
"type": "n8n-nodes-base.merge",
"typeVersion": 2.1,
"position": [
1340,
450
],
"parameters": {
"mode": "append"
}
},
{
"id": "b1-012",
"name": "Merge 2",
"type": "n8n-nodes-base.merge",
"typeVersion": 2.1,
"position": [
1560,
500
],
"parameters": {
"mode": "append"
}
},
{
"id": "b1-013",
"name": "Cache Save",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1780,
500
],
"parameters": {
"jsCode": "const gate = $('Cache Gate').first().json;\nconst topic = gate.topic;\nconst st = $getWorkflowStaticData('global');\nif (!st.cache) st.cache = {};\n\nconst allItems = $input.all();\nlet failedCalls = 0;\nconst validItems = allItems\n .map(i => i.json)\n .filter(i => {\n if (i.__empty) {\n if (i.__meta?.failed_calls) failedCalls += i.__meta.failed_calls;\n else failedCalls++;\n return false;\n }\n return true;\n });\n\nst.cache[topic] = { ts: Date.now(), items: validItems };\n\nif (validItems.length === 0) {\n return [{ json: { __empty: true, topic, __meta: { cached_hits: 0, api_calls: 3, failed_calls: failedCalls || 3 } } }];\n}\n\nreturn validItems.map(i => ({\n json: { ...i, __meta: { cached_hits: 0, api_calls: 3, failed_calls: 0 } }\n}));"
}
},
{
"id": "b1-014",
"name": "Merge Output",
"type": "n8n-nodes-base.merge",
"typeVersion": 2.1,
"position": [
1780,
300
],
"parameters": {
"mode": "append"
}
}
],
"connections": {
"Execute Workflow Trigger": {
"main": [
[
{
"node": "Cache Gate",
"type": "main",
"index": 0
}
]
]
},
"Cache Gate": {
"main": [
[
{
"node": "IF Cache Hit",
"type": "main",
"index": 0
}
]
]
},
"IF Cache Hit": {
"main": [
[
{
"node": "Emit Cached Items",
"type": "main",
"index": 0
}
],
[
{
"node": "StackExchange",
"type": "main",
"index": 0
},
{
"node": "GitHub",
"type": "main",
"index": 0
},
{
"node": "arXiv",
"type": "main",
"index": 0
}
]
]
},
"Emit Cached Items": {
"main": [
[
{
"node": "Merge Output",
"type": "main",
"index": 0
}
]
]
},
"StackExchange": {
"main": [
[
{
"node": "Norm Stack",
"type": "main",
"index": 0
}
]
]
},
"Norm Stack": {
"main": [
[
{
"node": "Merge 1",
"type": "main",
"index": 0
}
]
]
},
"GitHub": {
"main": [
[
{
"node": "Norm GitHub",
"type": "main",
"index": 0
}
]
]
},
"Norm GitHub": {
"main": [
[
{
"node": "Merge 1",
"type": "main",
"index": 1
}
]
]
},
"arXiv": {
"main": [
[
{
"node": "Norm arXiv",
"type": "main",
"index": 0
}
]
]
},
"Norm arXiv": {
"main": [
[
{
"node": "Merge 2",
"type": "main",
"index": 1
}
]
]
},
"Merge 1": {
"main": [
[
{
"node": "Merge 2",
"type": "main",
"index": 0
}
]
]
},
"Merge 2": {
"main": [
[
{
"node": "Cache Save",
"type": "main",
"index": 0
}
]
]
},
"Cache Save": {
"main": [
[
{
"node": "Merge Output",
"type": "main",
"index": 1
}
]
]
}
}
}
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About this workflow
PulseMosaic-v1.1-Worker. Uses executeWorkflowTrigger, httpRequest. Event-driven trigger; 14 nodes.
Source: https://github.com/turtir-ai/n8n-workflow-studio/blob/main/public/fixtures/PulseMosaic-v1.1-Worker.json — original creator credit. Request a take-down →
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