Agentic Router (qa Vs Strategy)

The workflow JSON

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{
  "name": "Agentic Router (QA vs Strategy)",
  "nodes": [
    {
      "parameters": {
        "path": "forecast",
        "options": {}
      },
      "name": "Webhook Trigger",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 1,
      "position": [
        240,
        300
      ]
    },
    {
      "parameters": {
        "responseBody": "{\"accepted\":true}"
      },
      "name": "Respond Immediately",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1,
      "position": [
        510,
        220
      ]
    },
    {
      "parameters": {
        "functionCode": "// Initialize / validate input\n// items[0].json holds the state\nreturn items;"
      },
      "name": "Init",
      "type": "n8n-nodes-base.function",
      "typeVersion": 1,
      "position": [
        510,
        380
      ]
    },
    {
      "parameters": {
        "functionCode": "// Decide mode: qa | strategy\nconst s = items[0].json;\nlet mode = (s.mode || s.task || 'auto');\nif (mode === 'auto') {\n  if (Array.isArray(s.symbols) && s.symbols.length > 0) mode = 'strategy';\n  else if ((s.doc_text && s.doc_text.length > 100) || s.prompt) mode = 'qa';\n  else mode = 'qa';\n}\nitems[0].json.mode = mode;\nreturn items;"
      },
      "name": "Router",
      "type": "n8n-nodes-base.function",
      "typeVersion": 1,
      "position": [
        760,
        380
      ]
    },
    {
      "parameters": {
        "propertyName": "={{$json[\"mode\"]}}"
      },
      "name": "Switch Mode",
      "type": "n8n-nodes-base.switch",
      "typeVersion": 3,
      "position": [
        1000,
        380
      ]
    },
    {
      "parameters": {
        "url": "={{$json[\"callback_url\"]}}",
        "jsonParameters": true,
        "options": {
          "bodyContentType": "json"
        },
        "sendBody": true,
        "jsonBody": "{\"type\": \"completed\", \"result\": {\"mode\": \"qa\", \"metrics\": {\"qa\": {\"exact_match\": 0.7, \"f1\": 0.78}}, \"qa\": {\"question\": \"Demo Q\", \"answer\": \"Demo A\", \"confidence\": 0.9, \"support\": [{\"source\": \"doc.txt\", \"snippet\": \"...\"}]}, \"input\": {\"prompt\": \"Demo Q\", \"doc_name\": \"doc.txt\", \"symbols\": [], \"horizon_days\": 5, \"task\": \"qa\"}}}"
      },
      "name": "QA Completed",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 3,
      "position": [
        1240,
        280
      ]
    },
    {
      "parameters": {
        "url": "={{$json[\"callback_url\"]}}",
        "jsonParameters": true,
        "options": {
          "bodyContentType": "json"
        },
        "sendBody": true,
        "jsonBody": "{\"type\": \"progress\", \"value\": 0.5}"
      },
      "name": "Strategy Progress",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 3,
      "position": [
        1240,
        460
      ]
    },
    {
      "parameters": {
        "url": "={{$json[\"callback_url\"]}}",
        "jsonParameters": true,
        "options": {
          "bodyContentType": "json"
        },
        "sendBody": true,
        "jsonBody": "{\"type\": \"completed\", \"result\": {\"mode\": \"strategy\", \"metrics\": {\"accuracy\": {\"rmse\": 1.2, \"mape\": 0.06, \"directional_accuracy\": 0.61}, \"strategy\": {\"sharpe\": 1.1, \"max_drawdown\": -0.12, \"win_rate\": 0.55}}, \"series\": {\"dates\": [], \"actual\": [], \"forecast\": [], \"lower\": [], \"upper\": []}, \"signals\": [{\"symbol\": \"SYMB1\", \"weight\": 0.3, \"reason\": \"demo\"}], \"equity_curve\": {\"dates\": [], \"equity\": []}, \"input\": {\"prompt\": null, \"doc_name\": null, \"symbols\": [\"SYMB1\"], \"horizon_days\": 5, \"task\": \"strategy\"}}}"
      },
      "name": "Strategy Completed",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 3,
      "position": [
        1480,
        460
      ]
    }
  ],
  "connections": {
    "Webhook Trigger": {
      "main": [
        [
          {
            "node": "Respond Immediately",
            "type": "main",
            "index": 0
          },
          {
            "node": "Init",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Init": {
      "main": [
        [
          {
            "node": "Router",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Router": {
      "main": [
        [
          {
            "node": "Switch Mode",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Switch Mode": {
      "main": [
        [
          {
            "node": "QA Completed",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Strategy Progress",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

About this workflow

Agentic Router (QA vs Strategy). Uses httpRequest. Webhook trigger; 8 nodes.

Source: https://github.com/teahsea/agentic-forecast-mvp/blob/e024b1a4dd3af08943681e18c8f6c4f6ecee6dc8/n8n/router.example.json — original creator credit. Request a take-down →

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