{ "id": "aicp-notify", "name": "Notify (channel-abstracted)", "meta": { "description": "Reusable notifier. Call via Execute Workflow with { severity, title, message, source }. Routes to Slack / Teams / Email / generic webhook based on the NOTIFY_CHANNEL env var, so callers never hardcode a channel." }, "nodes": [ { "parameters": { "workflowInputs": { "values": [ { "name": "severity", "type": "string" }, { "name": "title", "type": "string" }, { "name": "message", "type": "string" }, { "name": "source", "type": "string" }, { "name": "action", "type": "string" }, { "name": "metric", "type": "string" }, { "name": "runUrl", "type": "string" } ] } }, "id": "aaaaaaaa-0000-0000-0000-000000000001", "name": "When called", "type": "n8n-nodes-base.executeWorkflowTrigger", "typeVersion": 1.1, "position": [ 200, 300 ] }, { "parameters": { "jsCode": "// Assemble the payload once, here, in the shape the contract requires\n// (ai-standards/references/notification-taxonomy.md \u2014 \"The message contract\").\n// Downstream branches only reshape it to each platform's wire format.\n//\n// BLUF: title states the OUTCOME, then the action line, then the one number,\n// then supporting detail, then provenance small and last. The reader is scanning\n// a phone and deciding in ~2s whether this needs them.\nconst i = $input.first().json || {};\nconst NL = String.fromCharCode(10);\n\nconst severity = (i.severity || 'info').toLowerCase();\nconst title = (i.title || 'Notification').trim();\nconst detail = (i.message || '').trim();\nconst source = i.source || 'n8n';\nconst metric = (i.metric || '').trim();\n\n// Severity is DEFINED, not felt \u2014 same three words everywhere, or the colours\n// stop meaning anything. Each maps to exactly one reader obligation.\nconst OBLIGATION = { error: 'Act now', warn: 'Decide this week', info: 'No action' };\n// A caller may state the action explicitly (\"Act by 2026-08-24\"); otherwise it is\n// derived, so a lane that forgets still emits a contract-shaped message rather\n// than leaving the reader to infer urgency from tone.\nconst action = (i.action || '').trim() || OBLIGATION[severity] || 'No action';\nconst emoji = severity === 'error' ? '\\uD83D\\uDD34'\n : severity === 'warn' ? '\\uD83D\\uDFE1'\n : '\\uD83D\\uDFE2';\n\n// Detail lives behind a link \u2014 but assume the link is never opened. Most of our\n// detail surfaces are localhost-bound and unreachable from the phone the alert\n// was read on, so the MESSAGE must carry the decision and the link only carries\n// the evidence.\nconst base = ($env.N8N_BASE_URL || 'http://localhost:5678').replace(/\\/+$/, '');\nconst runUrl = i.runUrl || (base + '/home/executions');\nconst runLabel = i.runUrl ? 'View run' : 'Open executions';\n\n// Slack hard limits: header plain_text 150, section text 3000. Truncate loudly\n// rather than letting Slack reject the whole message.\nconst clip = (s, n) => (s.length > n ? s.slice(0, n - 20) + NL + '\u2026 (truncated)' : s);\n\nconst blocks = [\n { type: 'header',\n text: { type: 'plain_text', text: clip(`${emoji} ${title}`, 150), emoji: true } },\n { type: 'section',\n text: { type: 'mrkdwn', text: `*${action}*` } },\n];\n\nif (metric) {\n blocks.push({ type: 'section', fields: [\n { type: 'mrkdwn', text: `*Key figure*${NL}${clip(metric, 600)}` },\n { type: 'mrkdwn', text: `*Severity*${NL}\\`${severity}\\`` },\n ] });\n}\nif (detail) {\n blocks.push({ type: 'section', text: { type: 'mrkdwn', text: clip(detail, 2800) } });\n}\n// Provenance last and small. Naming the lane is what lets a noisy alert be\n// traced to a workflow and fixed rather than muted.\nblocks.push({ type: 'context', elements: [\n { type: 'mrkdwn', text: `lane: \\`${source}\\` \u00b7 <${runUrl}|${runLabel}>` } ]});\n\n// Fallback text: what a phone notification shows, and what Teams/webhook use.\n// It carries the decision on its own \u2014 title plus action, nothing else.\nconst text = `${emoji} ${title} \u2014 ${action}`;\n// Long form for channels without Block Kit.\nconst longText = [`${emoji} *${title}* (${severity})`, `*${action}*`,\n metric, detail, `_lane: ${source} \u00b7 ${runUrl}_`]\n .filter(Boolean).join(NL);\n\nreturn [{ json: { severity, title, message: detail, source, action, metric,\n runUrl, text, longText, blocks } }];" }, "id": "aaaaaaaa-0000-0000-0000-000000000002", "name": "Format message", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 420, 300 ] }, { "parameters": { "rules": { "values": [ { "conditions": { "options": { "caseSensitive": false }, "conditions": [ { "leftValue": "={{ $env.NOTIFY_CHANNEL }}", "rightValue": "slack", "operator": { "type": "string", "operation": "equals" } } ] }, "outputKey": "slack" }, { "conditions": { "options": { "caseSensitive": false }, "conditions": [ { "leftValue": "={{ $env.NOTIFY_CHANNEL }}", "rightValue": "teams", "operator": { "type": "string", "operation": "equals" } } ] }, "outputKey": "teams" }, { "conditions": { "options": { "caseSensitive": false }, "conditions": [ { "leftValue": "={{ $env.NOTIFY_CHANNEL }}", "rightValue": "webhook", "operator": { "type": "string", "operation": "equals" } } ] }, "outputKey": "webhook" } ] }, "options": { "fallbackOutput": "extra" } }, "id": "aaaaaaaa-0000-0000-0000-000000000003", "name": "Route by NOTIFY_CHANNEL", "type": "n8n-nodes-base.switch", "typeVersion": 3.2, "position": [ 640, 300 ] }, { "parameters": { "method": "POST", "url": "={{ $env.SLACK_WEBHOOK_URL }}", "sendBody": true, "specifyBody": "json", "jsonBody": "={{ JSON.stringify({ text: $json.text, blocks: $json.blocks }) }}", "options": {} }, "id": "aaaaaaaa-0000-0000-0000-000000000004", "name": "Slack", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.2, "position": [ 900, 140 ] }, { "parameters": { "method": "POST", "url": "={{ $env.TEAMS_WEBHOOK_URL }}", "sendBody": true, "specifyBody": "json", "jsonBody": "={{ { \"type\": \"message\", \"attachments\": [ { \"contentType\": \"application/vnd.microsoft.card.adaptive\", \"content\": { \"type\": \"AdaptiveCard\", \"version\": \"1.4\", \"body\": [ { \"type\": \"TextBlock\", \"weight\": \"Bolder\", \"text\": $json.title }, { \"type\": \"TextBlock\", \"wrap\": true, \"text\": $json.message }, { \"type\": \"TextBlock\", \"isSubtle\": true, \"spacing\": \"None\", \"text\": ('severity: ' + $json.severity + ' \\u00b7 source: ' + $json.source) } ] } } ] } }}", "options": {} }, "id": "aaaaaaaa-0000-0000-0000-000000000005", "name": "Teams", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.2, "position": [ 900, 300 ] }, { "parameters": { "method": "POST", "url": "={{ $env.NOTIFY_WEBHOOK_URL }}", "sendBody": true, "specifyBody": "json", "jsonBody": "={{ { \"severity\": $json.severity, \"title\": $json.title, \"message\": $json.message, \"source\": $json.source } }}", "options": {} }, "id": "aaaaaaaa-0000-0000-0000-000000000006", "name": "Generic webhook", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.2, "position": [ 900, 460 ] } ], "connections": { "When called": { "main": [ [ { "node": "Format message", "type": "main", "index": 0 } ] ] }, "Format message": { "main": [ [ { "node": "Route by NOTIFY_CHANNEL", "type": "main", "index": 0 } ] ] }, "Route by NOTIFY_CHANNEL": { "main": [ [ { "node": "Slack", "type": "main", "index": 0 } ], [ { "node": "Teams", "type": "main", "index": 0 } ], [ { "node": "Generic webhook", "type": "main", "index": 0 } ], [ { "node": "Generic webhook", "type": "main", "index": 0 } ] ] } }, "settings": {}, "active": false }