The workflow JSON
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{
"name": "Skill Extractor",
"nodes": [
{
"id": "a5a92bff-e159-4e25-8608-6b7dcaebeee6",
"name": "Every Night",
"type": "n8n-nodes-base.scheduleTrigger",
"typeVersion": 1.3,
"position": [
0,
176
],
"parameters": {
"rule": {
"interval": [
{
"field": "days",
"triggerAtHour": 3
}
]
}
}
},
{
"id": "000f35e7-fed6-41d6-a610-ff898dc6bea5",
"name": "Read What People Actually Built",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
240,
176
],
"parameters": {
"mode": "runOnceForAllItems",
"jsCode": "const builds = [\n { builder: 'u_1042', seq: ['Webhook','Set','HTTP Request','Code','Slack'] },\n { builder: 'u_1042', seq: ['Schedule','HTTP Request','Code','Slack'] },\n { builder: 'u_2288', seq: ['Webhook','Set','HTTP Request','Code','Slack'] },\n { builder: 'u_3901', seq: ['Gmail Trigger','AI Agent','Set','Google Sheets'] },\n { builder: 'u_4415', seq: ['Webhook','Set','HTTP Request','Code','Slack'] },\n { builder: 'u_5127', seq: ['Gmail Trigger','AI Agent','Set','Google Sheets'] },\n { builder: 'u_6600', seq: ['Webhook','Set','HTTP Request','Code','Slack'] },\n { builder: 'u_7311', seq: ['Gmail Trigger','AI Agent','Set','Google Sheets'] },\n { builder: 'u_8004', seq: ['Form','AI Agent','Switch','Airtable','Slack'] }\n];\nreturn [{ json: { builds: builds, window: 'last 30 days' } }];"
}
},
{
"id": "58b74444-cbee-43c1-9b46-f7f441d26a54",
"name": "Find The Shapes People Rebuild",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
480,
176
],
"parameters": {
"mode": "runOnceForAllItems",
"jsCode": "const d = $input.first().json;\nconst counts = {};\nd.builds.forEach(function (b) {\n for (let i = 0; i < b.seq.length - 2; i++) {\n for (let j = i + 3; j <= b.seq.length; j++) {\n const key = b.seq.slice(i, j).join(' -> ');\n if (!counts[key]) { counts[key] = { shape: key, length: j - i, builders: [] }; }\n if (counts[key].builders.indexOf(b.builder) === -1) { counts[key].builders.push(b.builder); }\n }\n }\n});\nconst shapes = Object.keys(counts).map(function (k) { return counts[k]; })\n .filter(function (s) { return s.builders.length >= 3; })\n .sort(function (a, b) { return (b.builders.length * b.length) - (a.builders.length * a.length); })\n .slice(0, 5);\nreturn [{ json: { candidate_shapes: shapes, total_builds: d.builds.length } }];"
}
},
{
"id": "70142c44-dba7-4ce0-ab1a-00a5f4376ed7",
"name": "Name Them And Write The Skill Card",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
720,
176
],
"parameters": {
"mode": "runOnceForAllItems",
"jsCode": "const d = $input.first().json;\nconst names = {\n 'Webhook -> Set -> HTTP Request -> Code -> Slack': { name: 'Inbound Event to Enriched Alert', does: 'Takes an inbound webhook, normalises the payload, enriches it from an API, shapes the message and posts it to a channel.' },\n 'Gmail Trigger -> AI Agent -> Set -> Google Sheets': { name: 'Inbox to Structured Row', does: 'Reads new mail, has a model pull structured fields out of it, and appends one clean row per message.' },\n 'Form -> AI Agent -> Switch -> Airtable -> Slack': { name: 'Form Intake Triage', does: 'Classifies a form submission, routes it by category, records it and notifies the right owner.' }\n};\nconst skills = d.candidate_shapes.map(function (s) {\n const meta = names[s.shape] || { name: 'Unnamed Pattern', does: 'Repeated shape with no card written yet.' };\n return {\n proposed_skill: meta.name,\n what_it_does: meta.does,\n shape: s.shape,\n rebuilt_by: s.builders.length,\n nodes_saved_each_time: s.length,\n total_nodes_never_to_be_wired_again: s.builders.length * s.length\n };\n});\nconst top = skills[0] || null;\nconst say = top\n ? 'Nobody asked for a skill. ' + top.rebuilt_by + ' different builders independently wired the same ' + top.nodes_saved_each_time + '-node shape this month. That is not a coincidence, that is a missing primitive. Proposing it as the Skill \\\"' + top.proposed_skill + '\\\": ' + top.what_it_does\n : 'No shape was rebuilt by enough independent builders this window to justify a Skill.';\nreturn [{ json: { plain_english: say, proposed_skills: skills, worth_shipping: skills.length > 0 } }];"
}
},
{
"id": "cb6661a3-604f-4408-912e-3aa67eb7ac53",
"name": "Worth Shipping As A Skill",
"type": "n8n-nodes-base.if",
"typeVersion": 2.2,
"position": [
960,
176
],
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "loose",
"version": 2
},
"conditions": [
{
"id": "c1",
"leftValue": "={{ $json.worth_shipping }}",
"rightValue": "true",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
}
}
],
"combinator": "and"
},
"options": {}
}
},
{
"id": "1cb9f339-055f-4772-9982-5d0ea9488499",
"name": "PROPOSE: Draft Skill Into The Library",
"type": "n8n-nodes-base.noOp",
"typeVersion": 1,
"position": [
1200,
48
],
"parameters": {}
},
{
"id": "a6579c97-735a-4185-bd40-21e5a9d134e8",
"name": "WAIT: No Pattern Earned It This Month",
"type": "n8n-nodes-base.noOp",
"typeVersion": 1,
"position": [
1200,
304
],
"parameters": {}
},
{
"id": "508c74a0-2314-47f1-97f0-0308e5061da1",
"name": "Sticky Note aa6230c3",
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-50,
126
],
"parameters": {
"content": "## Skill Extractor - the product notices what people keep rebuilding\n\nThe AI Building workstream asks for **Skills** and **proactive suggestions**. Every product does this backwards: someone writes a template, then hopes people use it.\n\nInvert it. Watch what builders actually wire, find the sub-shapes that independent people rebuild from scratch, and propose those as Skills - already named, already described, already justified by usage.\n\n**A Skill nobody asked for but six people rebuilt is worth more than ten a PM guessed at.**",
"color": 4,
"width": 540,
"height": 200
}
},
{
"id": "c4ecd546-1f03-44ca-8452-4b40ea23db4c",
"name": "Sticky Note 3aeb89b2",
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
430,
126
],
"parameters": {
"content": "## The bar is independence, not frequency\n\nOne builder repeating a shape is a habit. Three unrelated builders converging on the same five nodes is **evidence of a missing primitive.**\n\nSo the filter is distinct builders, and the ranking is builders x shape length - how many people, times how much wiring it removes.",
"color": 3,
"width": 540,
"height": 200
}
},
{
"id": "d3f6eb62-de26-4d60-b682-9f09560bd15a",
"name": "Sticky Note f0ee3d78",
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
910,
-2
],
"parameters": {
"content": "## Where this goes in ten years\n\nn8n has 650k builders and 500+ integrations. That is the largest observed corpus of how humans actually compose automation anywhere.\n\nRun this continuously and the node library stops being hand-curated. **The platform learns its own vocabulary from its community** - and every Skill it ships arrives with the usage evidence already attached.",
"color": 5,
"width": 540,
"height": 328
}
}
],
"connections": {
"Every Night": {
"main": [
[
{
"node": "Read What People Actually Built",
"type": "main",
"index": 0
}
]
]
},
"Read What People Actually Built": {
"main": [
[
{
"node": "Find The Shapes People Rebuild",
"type": "main",
"index": 0
}
]
]
},
"Find The Shapes People Rebuild": {
"main": [
[
{
"node": "Name Them And Write The Skill Card",
"type": "main",
"index": 0
}
]
]
},
"Name Them And Write The Skill Card": {
"main": [
[
{
"node": "Worth Shipping As A Skill",
"type": "main",
"index": 0
}
]
]
},
"Worth Shipping As A Skill": {
"main": [
[
{
"node": "PROPOSE: Draft Skill Into The Library",
"type": "main",
"index": 0
}
],
[
{
"node": "WAIT: No Pattern Earned It This Month",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
}
}
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About this workflow
Skill Extractor. Scheduled trigger; 10 nodes.
Source: https://github.com/User0394934/trust-loop/blob/main/workflows/skill-extractor.json — original creator credit. Request a take-down →
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