The workflow JSON
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{
"name": "WF-0: Seed Initialization",
"nodes": [
{
"id": "trigger",
"name": "Manual Trigger",
"type": "n8n-nodes-base.manualTrigger",
"position": [
250,
300
],
"parameters": {}
},
{
"id": "seed_company",
"name": "Seed Company",
"type": "n8n-nodes-base.set",
"position": [
450,
300
],
"parameters": {
"values": {
"string": [
{
"name": "ticker",
"value": "NVDA"
},
{
"name": "name",
"value": "NVIDIA Corporation"
},
{
"name": "market",
"value": "us"
},
{
"name": "sector",
"value": "Technology"
}
]
}
}
},
{
"id": "upsert_seed",
"name": "Upsert Seed Company",
"type": "n8n-nodes-base.httpRequest",
"position": [
650,
300
],
"parameters": {
"method": "POST",
"url": "http://data-api:8000/mcp/call/upsert_company",
"body": {
"ticker": "={{ $json.ticker }}",
"name": "={{ $json.name }}",
"market": "={{ $json.market }}",
"sector": "={{ $json.sector }}"
},
"options": {
"timeout": 30000
}
}
},
{
"id": "log_seed",
"name": "Log Seed Event",
"type": "n8n-nodes-base.httpRequest",
"position": [
850,
300
],
"parameters": {
"method": "POST",
"url": "http://data-api:8000/mcp/call/log_discovery_event",
"body": {
"source": "NVDA",
"found": [
"NVDA"
],
"method": "seed",
"market": "us"
}
}
}
],
"connections": {
"Manual Trigger": {
"main": [
[
{
"node": "Seed Company",
"type": "main",
"index": 0
}
]
]
},
"Seed Company": {
"main": [
[
{
"node": "Upsert Seed Company",
"type": "main",
"index": 0
}
]
]
},
"Upsert Seed Company": {
"main": [
[
{
"node": "Log Seed Event",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
},
"staticData": null,
"tags": [
"seed",
"initialization"
]
}
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About this workflow
WF-0: Seed Initialization. Uses httpRequest. Event-driven trigger; 4 nodes.
Source: https://github.com/123qsa/supply-chain-kg/blob/main/n8n-workflows/wf-0-seed.json — original creator credit. Request a take-down →
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