This workflow follows the HTTP Request → Slack recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
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{
"name": "Linear Router \u2014 Reconciler",
"active": true,
"nodes": [
{
"parameters": {
"rule": {
"interval": [
{
"field": "minutes",
"minutesInterval": 15
}
]
}
},
"id": "dfcae17b-faf8-4d51-85e3-779af80f1bf5",
"name": "Every 15 min",
"type": "n8n-nodes-base.scheduleTrigger",
"typeVersion": 1.2,
"position": [
-7888,
1152
]
},
{
"parameters": {
"method": "POST",
"url": "https://api.linear.app/graphql",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "={{ $env.LINEAR_API_TOKEN }}"
},
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({\n query: `query StuckIssues($tenMinAgo: DateTimeOrDuration!) {\n issues(\n filter: {\n state: { name: { in: [\\\"Ready for Claude routines\\\", \\\"Ready for agent build\\\"] } }\n updatedAt: { lt: $tenMinAgo }\n }\n first: 50\n ) {\n nodes {\n id\n identifier\n title\n description\n url\n updatedAt\n state { name }\n labels { nodes { name } }\n }\n }\n }`,\n variables: {\n tenMinAgo: new Date(Date.now() - 10*60*1000).toISOString()\n }\n}) }}",
"options": {
"timeout": 30000
}
},
"id": "d17ecde5-d644-4af1-b27f-c96458bc5f9f",
"name": "Query stuck Linear tickets",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
-7664,
1152
]
},
{
"parameters": {
"jsCode": "// Flatten the GraphQL response into one item per ticket.\n// Always emit `empty` as an explicit boolean so downstream If node can use\n// a simple `equals false` comparison (n8n's If v2 boolean operator set doesn't\n// include `notEqual`; strict type validation rejects `undefined` against a\n// boolean operand, so leaving the field unset breaks the filter).\nconst body = $input.first().json;\nconst nodes = body?.data?.issues?.nodes || [];\nif (nodes.length === 0) {\n return [{ json: { empty: true, count: 0 } }];\n}\nreturn nodes.map(n => ({\n json: {\n empty: false,\n issueId: n.id,\n issueIdentifier: n.identifier,\n issueTitle: n.title,\n issueDescription: n.description || '',\n issueUrl: n.url,\n updatedAt: n.updatedAt,\n stateName: n.state.name,\n labels: (n.labels?.nodes || []).map(l => l.name),\n }\n}));"
},
"id": "3e5107c3-9cfc-41e0-a0cf-bd6c4073e64d",
"name": "Flatten tickets",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
-7440,
1152
]
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict"
},
"conditions": [
{
"id": "not-empty",
"leftValue": "={{ $json.empty }}",
"rightValue": false,
"operator": {
"type": "boolean",
"operation": "equals"
}
}
],
"combinator": "and"
},
"options": {}
},
"id": "0857db65-9082-4ae0-8d9a-8edd75109d05",
"name": "If any stuck tickets",
"type": "n8n-nodes-base.if",
"typeVersion": 2,
"position": [
-7216,
1152
]
},
{
"parameters": {
"rules": {
"values": [
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "loose",
"version": 2
},
"conditions": [
{
"id": "rule-routine",
"leftValue": "={{ $json.stateName }}",
"rightValue": "Ready for Claude routines",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "routine"
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "loose",
"version": 2
},
"conditions": [
{
"id": "rule-paperclip",
"leftValue": "={{ $json.stateName }}",
"rightValue": "Ready for agent build",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "paperclip"
}
]
},
"options": {}
},
"id": "0a36b6bd-a9e0-4c54-8f08-ec516847b0f7",
"name": "Switch by status",
"type": "n8n-nodes-base.switch",
"typeVersion": 3.2,
"position": [
-7008,
1088
]
},
{
"parameters": {
"method": "POST",
"url": "https://api.linear.app/graphql",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "={{ $env.LINEAR_API_TOKEN }}"
},
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({\n query: `query IssueComments($id: String!) { issue(id: $id) { comments(first: 50) { nodes { body } } } }`,\n variables: { id: $json.issueId }\n}) }}",
"options": {
"timeout": 30000
}
},
"id": "1551498a-ae61-4082-933c-be81f0408a9b",
"name": "Check routine fired comments",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
-6784,
992
]
},
{
"parameters": {
"jsCode": "// Look for the main router's \"routine fired\" marker in comments.\nconst ticket = $('Switch by status').item.json;\nconst body = $input.first().json;\nconst comments = body?.data?.issue?.comments?.nodes || [];\nconst marker = /\u2699\\s*(Technical Architect|Analyst|User Researcher|AI Researcher)\\s+routine fired/i;\nconst fired = comments.some(c => marker.test(c.body || ''));\nreturn [{\n json: {\n ...ticket,\n evidence: fired ? 'comment-found' : 'none',\n missed: !fired,\n }\n}];"
},
"id": "771e7d14-016b-4bcd-a1c5-f20e3e22bf47",
"name": "Routine evidence check",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
-6560,
992
]
},
{
"parameters": {
"mode": "runOnceForAllItems",
"jsCode": "// List Paperclip labels via n8n's this.helpers.httpRequest instead of the\n// HTTP Request node. Reason: n8n 2.13.4's HTTP Request v4.2 auto-splits a\n// JSON-array response into N items. When Paperclip returns `[]` (no labels\n// yet), N=0 and every downstream node is skipped \u2014 `Resolve linear label`\n// never runs, `Create linear label` never fires, and the first-seen ticket\n// silently drops. A Code node always emits whatever it returns, independent\n// of response shape.\nconst input = $input.first() ? $input.first().json : {};\nconst url = `${$env.PAPERCLIP_API_URL}/api/companies/${$env.PAPERCLIP_COMPANY_ID}/labels`;\nlet labels = [];\nlet statusCode = 0;\nlet error = null;\ntry {\n const body = await this.helpers.httpRequest({\n method: 'GET',\n url,\n headers: { 'Authorization': `Bearer ${$env.PAPERCLIP_API_KEY}` },\n json: true,\n });\n statusCode = 200;\n labels = Array.isArray(body) ? body : (body?.labels || body?.data || []);\n} catch (err) {\n error = String(err && err.message ? err.message : err);\n statusCode = (err && err.statusCode) || 0;\n}\nreturn [{\n json: {\n ...input,\n labels,\n labelsStatusCode: statusCode,\n labelsError: error,\n }\n}];"
},
"id": "1c7829ce-3dfe-470a-8a0a-f682aede3c95",
"name": "List Paperclip labels",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
-6784,
1184
]
},
{
"parameters": {
"mode": "runOnceForAllItems",
"jsCode": "// Upstream List Paperclip labels is a Code node that always emits one item\n// shaped { labels, labelsStatusCode, labelsError, ...ticket }.\nconst item = $input.first().json;\nconst labels = Array.isArray(item.labels) ? item.labels : [];\nconst target = `linear:${item.issueIdentifier}`;\nconst match = labels.find(l => l && l.name === target);\nif (match && match.id) {\n return [{ json: { ...item, linearLabelId: match.id, labelExists: true } }];\n}\nreturn [{ json: { ...item, linearLabelId: null, labelExists: false, evidence: 'none', missed: true } }];"
},
"id": "180c6943-e6d7-4fe7-b653-9ac211de7c63",
"name": "Resolve linear label",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
-6560,
1184
]
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict"
},
"conditions": [
{
"id": "label-exists-check",
"leftValue": "={{ $json.labelExists }}",
"rightValue": true,
"operator": {
"type": "boolean",
"operation": "equals"
}
}
],
"combinator": "and"
},
"options": {}
},
"id": "949e658b-a6ec-4375-a504-b3d24d7d934f",
"name": "If label exists",
"type": "n8n-nodes-base.if",
"typeVersion": 2,
"position": [
-6336,
1184
]
},
{
"parameters": {
"mode": "runOnceForAllItems",
"jsCode": "// Same reason as List Paperclip labels \u2014 use this.helpers.httpRequest so the\n// node always emits exactly one downstream item regardless of response shape.\nconst input = $input.first() ? $input.first().json : {};\nconst url = `${$env.PAPERCLIP_API_URL}/api/companies/${$env.PAPERCLIP_COMPANY_ID}/issues`;\nlet issues = [];\nlet statusCode = 0;\nlet error = null;\ntry {\n const body = await this.helpers.httpRequest({\n method: 'GET',\n url,\n headers: { 'Authorization': `Bearer ${$env.PAPERCLIP_API_KEY}` },\n qs: { labelId: input.linearLabelId || '' },\n json: true,\n });\n statusCode = 200;\n issues = Array.isArray(body) ? body : (body?.issues || body?.tasks || body?.data || []);\n} catch (err) {\n error = String(err && err.message ? err.message : err);\n statusCode = (err && err.statusCode) || 0;\n}\nreturn [{\n json: {\n ...input,\n issues,\n issuesStatusCode: statusCode,\n issuesError: error,\n }\n}];"
},
"id": "37ca0aaf-513e-4b50-802e-df51b9b95604",
"name": "Check Paperclip task exists",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
-6128,
1152
]
},
{
"parameters": {
"mode": "runOnceForAllItems",
"jsCode": "// Upstream Check Paperclip task exists is a Code node that always emits one\n// item shaped { issues, ...ticket }.\nconst item = $input.first().json;\nconst issues = Array.isArray(item.issues) ? item.issues : [];\nconst found = issues.length > 0;\nreturn [{ json: { ...item, evidence: found ? 'issue-found' : 'none', missed: !found } }];"
},
"id": "e2168f45-dd0e-4346-a6ee-ea0680724a3b",
"name": "Paperclip evidence check",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
-5904,
1152
]
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict"
},
"conditions": [
{
"id": "missed-check",
"leftValue": "={{ $json.missed }}",
"rightValue": true,
"operator": {
"type": "boolean",
"operation": "equals"
}
}
],
"combinator": "and"
},
"options": {}
},
"id": "e69a4d6f-4262-438b-97b2-81a9240617c9",
"name": "If missed",
"type": "n8n-nodes-base.if",
"typeVersion": 2,
"position": [
-5680,
1088
]
},
{
"parameters": {
"method": "POST",
"url": "={{ $env.N8N_ROUTER_WEBHOOK_URL || 'http://localhost:5678/webhook/linear-router' }}",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "X-Reconciler",
"value": "true"
},
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({\n action: 'update',\n data: {\n id: $json.issueId,\n identifier: $json.issueIdentifier,\n title: $json.issueTitle,\n description: $json.issueDescription,\n url: $json.issueUrl,\n updatedAt: $json.updatedAt,\n state: { name: $json.stateName },\n labels: $json.labels.map(name => ({ name }))\n }\n}) }}",
"options": {
"timeout": 30000
}
},
"id": "47259d6c-5c69-4cc1-b5e2-32c5b9f2c62c",
"name": "Re-fire via main router",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
-5456,
1024
]
},
{
"parameters": {
"jsCode": "// Collect all refired tickets for the summary Slack alert.\nconst items = $input.all();\nconst refired = items.map(i => ({\n identifier: i.json.issueIdentifier,\n title: i.json.issueTitle,\n state: i.json.stateName,\n url: i.json.issueUrl,\n}));\nreturn [{ json: { count: refired.length, refired } }];"
},
"id": "a37890e3-13d4-41b8-be3e-8ba22ccce89f",
"name": "Collect refired",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
-5248,
1024
]
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict"
},
"conditions": [
{
"id": "count-gt-0",
"leftValue": "={{ $json.count }}",
"rightValue": 0,
"operator": {
"type": "number",
"operation": "gt"
}
}
],
"combinator": "and"
},
"options": {}
},
"id": "0fe0adf0-460f-40ae-83ef-27239888f5ec",
"name": "If any refired",
"type": "n8n-nodes-base.if",
"typeVersion": 2,
"position": [
-5024,
1024
]
},
{
"parameters": {
"select": "channel",
"channelId": {
"__rl": true,
"value": "#agent-team",
"mode": "name",
"cachedResultName": "agent-team"
},
"text": "=\ud83d\udd01 Reconciler recovered {{ $json.count }} missed fire{{ $json.count === 1 ? '' : 's' }} this cycle:\n{{ $json.refired.map(r => `\u2022 ${r.identifier} \u2014 ${r.title} (${r.state})`).join('\\n') }}",
"otherOptions": {}
},
"id": "ef5b7b7c-5836-4b7c-bedf-ece39645e907",
"name": "Slack \u2014 reconciled",
"type": "n8n-nodes-base.slack",
"typeVersion": 2.2,
"position": [
-4800,
944
],
"credentials": {
"slackApi": {
"name": "<your credential>"
}
},
"onError": "continueRegularOutput"
}
],
"connections": {
"Every 15 min": {
"main": [
[
{
"node": "Query stuck Linear tickets",
"type": "main",
"index": 0
}
]
]
},
"Query stuck Linear tickets": {
"main": [
[
{
"node": "Flatten tickets",
"type": "main",
"index": 0
}
]
]
},
"Flatten tickets": {
"main": [
[
{
"node": "If any stuck tickets",
"type": "main",
"index": 0
}
]
]
},
"If any stuck tickets": {
"main": [
[
{
"node": "Switch by status",
"type": "main",
"index": 0
}
]
]
},
"Switch by status": {
"main": [
[
{
"node": "Check routine fired comments",
"type": "main",
"index": 0
}
],
[
{
"node": "List Paperclip labels",
"type": "main",
"index": 0
}
]
]
},
"Check routine fired comments": {
"main": [
[
{
"node": "Routine evidence check",
"type": "main",
"index": 0
}
]
]
},
"List Paperclip labels": {
"main": [
[
{
"node": "Resolve linear label",
"type": "main",
"index": 0
}
]
]
},
"Resolve linear label": {
"main": [
[
{
"node": "If label exists",
"type": "main",
"index": 0
}
]
]
},
"If label exists": {
"main": [
[
{
"node": "Check Paperclip task exists",
"type": "main",
"index": 0
}
],
[
{
"node": "If missed",
"type": "main",
"index": 0
}
]
]
},
"Check Paperclip task exists": {
"main": [
[
{
"node": "Paperclip evidence check",
"type": "main",
"index": 0
}
]
]
},
"Routine evidence check": {
"main": [
[
{
"node": "If missed",
"type": "main",
"index": 0
}
]
]
},
"Paperclip evidence check": {
"main": [
[
{
"node": "If missed",
"type": "main",
"index": 0
}
]
]
},
"If missed": {
"main": [
[
{
"node": "Re-fire via main router",
"type": "main",
"index": 0
}
]
]
},
"Re-fire via main router": {
"main": [
[
{
"node": "Collect refired",
"type": "main",
"index": 0
}
]
]
},
"Collect refired": {
"main": [
[
{
"node": "If any refired",
"type": "main",
"index": 0
}
]
]
},
"If any refired": {
"main": [
[
{
"node": "Slack \u2014 reconciled",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1",
"binaryMode": "separate"
},
"tags": [],
"meta": {
"templateCredsSetupCompleted": true
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
slackApi
Pro
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About this workflow
Linear Router — Reconciler. Uses httpRequest, slack. Scheduled trigger; 17 nodes.
Source: https://github.com/rczamor/rz-agent-team/blob/70dec0b7e42f6173ecfa4c86fcf49f17e9945cfa/n8n/reconciler.json — original creator credit. Request a take-down →
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