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{
"name": "[DEV] eval / sris-verification-loop",
"description": null,
"active": true,
"nodes": [
{
"id": "webhook-trigger",
"name": "Verification Trigger",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
0,
300
],
"parameters": {
"path": "sris-verification-loop",
"httpMethod": "POST",
"responseMode": "responseNode",
"options": {},
"authentication": "headerAuth"
}
},
{
"id": "parse-input",
"name": "Parse Verification Request",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
220,
300
],
"parameters": {
"mode": "runOnceForAllItems",
"jsCode": "const input = $input.first().json.body || $input.first().json || {};\n\nconst verification = {\n verification_id: `verify_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`,\n target_type: input.target_type || 'elevenlabs',\n agent_id: input.agent_id || null,\n workflow_id: input.workflow_id || null,\n fix_applied: input.fix_applied || {},\n metrics_before: input.metrics_before || {},\n cooldown_ms: input.cooldown_ms || 30000,\n max_retries: input.max_retries || 1,\n current_retry: 0,\n started_at: new Date().toISOString()\n};\n\nreturn [{ json: verification }];"
}
},
{
"id": "wait-cooldown",
"name": "Wait Cooldown",
"type": "n8n-nodes-base.wait",
"typeVersion": 1.1,
"position": [
440,
300
],
"parameters": {
"amount": "={{ Math.floor($json.cooldown_ms / 1000) }}",
"unit": "seconds"
}
},
{
"id": "re-evaluate",
"name": "Re-Evaluate Target",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
660,
300
],
"parameters": {
"method": "POST",
"url": "={{ $('Parse Verification Request').item.json.target_type === 'elevenlabs' ? 'https://n8n.wranngle.com/webhook/elevenlabs-conversation-eval' : 'https://n8n.wranngle.com/webhook/parallel-eval-runner-v6' }}",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ $('Parse Verification Request').item.json.target_type === 'elevenlabs' ? JSON.stringify({ agent_id: $('Parse Verification Request').item.json.agent_id }) : JSON.stringify({ limit: 50 }) }}",
"options": {
"timeout": 300000
},
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
}
},
{
"id": "compare-metrics",
"name": "Compare Metrics",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
880,
300
],
"parameters": {
"mode": "runOnceForAllItems",
"jsCode": "const verificationReq = $('Parse Verification Request').item.json;\nconst newResults = $input.first().json;\n\nconst metricsBefore = verificationReq.metrics_before;\nlet metricsAfter = {};\nlet outcome = 'unchanged';\n\nif (verificationReq.target_type === 'elevenlabs') {\n const evalData = newResults.evaluation || newResults;\n metricsAfter = {\n pass_rate: parseFloat(evalData.summary?.pass_rate || '0'),\n tool_accuracy: parseFloat(evalData.summary?.avg_tool_accuracy || '0'),\n criteria_score: parseFloat(evalData.summary?.avg_criteria_score || '0'),\n failed: evalData.summary?.failed || 0\n };\n \n const beforePassRate = metricsBefore.pass_rate || 0;\n const afterPassRate = metricsAfter.pass_rate;\n \n if (afterPassRate > beforePassRate + 5) {\n outcome = 'improved';\n } else if (afterPassRate < beforePassRate - 5) {\n outcome = 'degraded';\n }\n} else {\n metricsAfter = {\n pass_rate: parseFloat(newResults.summary?.pass_rate || '0'),\n avg_latency_ms: newResults.summary?.avg_latency_ms || 0,\n failed: newResults.summary?.failed || 0\n };\n \n const beforePassRate = metricsBefore.pass_rate || 0;\n const afterPassRate = metricsAfter.pass_rate;\n \n if (afterPassRate > beforePassRate + 5) {\n outcome = 'improved';\n } else if (afterPassRate < beforePassRate - 5) {\n outcome = 'degraded';\n }\n}\n\nconst result = {\n verification_id: verificationReq.verification_id,\n target_type: verificationReq.target_type,\n agent_id: verificationReq.agent_id,\n workflow_id: verificationReq.workflow_id,\n fix_applied: verificationReq.fix_applied,\n metrics_before: metricsBefore,\n metrics_after: metricsAfter,\n outcome: outcome,\n improvement_delta: metricsAfter.pass_rate - (metricsBefore.pass_rate || 0),\n completed_at: new Date().toISOString()\n};\n\nreturn [{ json: result }];"
}
},
{
"id": "check-outcome",
"name": "Check Outcome",
"type": "n8n-nodes-base.switch",
"typeVersion": 3.2,
"position": [
1100,
300
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "improved",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.outcome }}",
"rightValue": "improved"
}
]
},
"renameOutput": true
},
{
"outputKey": "degraded",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.outcome }}",
"rightValue": "degraded"
}
]
},
"renameOutput": true
}
]
},
"options": {
"fallbackOutput": "extra"
}
}
},
{
"id": "log-success",
"name": "Log Success",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1320,
100
],
"parameters": {
"mode": "runOnceForAllItems",
"jsCode": "const result = $input.first().json;\n\nconsole.log(`[SRIS] Verification SUCCESS: ${result.verification_id}`);\nconsole.log(`[SRIS] Outcome: ${result.outcome}, Delta: +${result.improvement_delta.toFixed(1)}%`);\n\nreturn [{ json: { ...result, action: 'logged', notification: 'success_slack_pending' } }];"
}
},
{
"id": "rollback-fix",
"name": "Rollback Fix (TODO)",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1320,
300
],
"parameters": {
"mode": "runOnceForAllItems",
"jsCode": "const result = $input.first().json;\n\nconsole.log(`[SRIS] Verification FAILED - ROLLBACK NEEDED: ${result.verification_id}`);\nconsole.log(`[SRIS] Outcome: ${result.outcome}, Delta: ${result.improvement_delta.toFixed(1)}%`);\n\nreturn [{ json: { ...result, action: 'rollback_queued', notification: 'alert_slack_pending', rollback_instructions: 'Manual rollback required - restore previous prompt version' } }];"
}
},
{
"id": "log-unchanged",
"name": "Log Unchanged",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1320,
500
],
"parameters": {
"mode": "runOnceForAllItems",
"jsCode": "const result = $input.first().json;\n\nconsole.log(`[SRIS] Verification UNCHANGED: ${result.verification_id}`);\nconsole.log(`[SRIS] No significant change detected. Queuing for manual review.`);\n\nreturn [{ json: { ...result, action: 'manual_review', notification: 'review_slack_pending' } }];"
}
},
{
"id": "respond-result",
"name": "Respond Result",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
1540,
300
],
"parameters": {
"respondWith": "json",
"responseBody": "={{ $json }}"
}
}
],
"connections": {
"Verification Trigger": {
"main": [
[
{
"node": "Parse Verification Request",
"type": "main",
"index": 0
}
]
]
},
"Parse Verification Request": {
"main": [
[
{
"node": "Wait Cooldown",
"type": "main",
"index": 0
}
]
]
},
"Wait Cooldown": {
"main": [
[
{
"node": "Re-Evaluate Target",
"type": "main",
"index": 0
}
]
]
},
"Re-Evaluate Target": {
"main": [
[
{
"node": "Compare Metrics",
"type": "main",
"index": 0
}
]
]
},
"Compare Metrics": {
"main": [
[
{
"node": "Check Outcome",
"type": "main",
"index": 0
}
]
]
},
"Check Outcome": {
"main": [
[
{
"node": "Log Success",
"type": "main",
"index": 0
}
],
[
{
"node": "Rollback Fix (TODO)",
"type": "main",
"index": 0
}
],
[
{
"node": "Log Unchanged",
"type": "main",
"index": 0
}
]
]
},
"Log Success": {
"main": [
[
{
"node": "Respond Result",
"type": "main",
"index": 0
}
]
]
},
"Rollback Fix (TODO)": {
"main": [
[
{
"node": "Respond Result",
"type": "main",
"index": 0
}
]
]
},
"Log Unchanged": {
"main": [
[
{
"node": "Respond Result",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1",
"callerPolicy": "workflowsFromSameOwner",
"availableInMCP": true
},
"tags": [
"DEV"
]
}
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About this workflow
[DEV] eval / sris-verification-loop. Uses httpRequest. Webhook trigger; 10 nodes.
Source: https://github.com/wranngle/n8n_showcase/blob/main/workflows/eval/sris-verification-loop.json — original creator credit. Request a take-down →
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