Snyk → N8n Routing and Notifications

The workflow JSON

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{
  "name": "Snyk \u2192 n8n routing and notifications",
  "nodes": [
    {
      "parameters": {
        "path": "snyk/webhook",
        "options": {
          "responseCode": 200
        }
      },
      "id": "Webhook_Entry",
      "name": "Snyk Webhook",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 1,
      "position": [
        260,
        240
      ]
    },
    {
      "parameters": {
        "functionCode": "const payload = items[0].json;\nconst issues = payload.issues || [];\nconst critical = issues.filter(i => (i.severity||'').toLowerCase()==='critical');\nconst high = issues.filter(i => (i.severity||'').toLowerCase()==='high');\nreturn [{ json: { meta: payload, counts: { critical: critical.length, high: high.length }, critical, high } }];"
      },
      "id": "Function_Parse",
      "name": "Parse & Split",
      "type": "n8n-nodes-base.function",
      "typeVersion": 2,
      "position": [
        520,
        240
      ]
    },
    {
      "parameters": {
        "conditions": {
          "string": [
            {
              "value1": "{{$json.counts.critical}}",
              "operation": "larger",
              "value2": "0"
            }
          ]
        }
      },
      "id": "IF_Critical",
      "name": "Any Critical?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 2,
      "position": [
        760,
        160
      ]
    },
    {
      "parameters": {
        "requestMethod": "POST",
        "url": "={{$json.meta.repo ? $json.meta.repo : ''}}",
        "jsonParameters": true,
        "options": {},
        "bodyParametersJson": "={ \"text\": `Snyk findings: Critical ${$json.counts.critical}, High ${$json.counts.high} in ${$json.meta.repo||'local'} (${new Date($json.meta.timestamp).toISOString()})` }"
      },
      "id": "Slack_Notify",
      "name": "Slack Notify",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 3,
      "position": [
        760,
        320
      ],
      "notesInFlow": true,
      "notes": "Point this to your Slack Incoming Webhook URL via credentials"
    },
    {
      "parameters": {
        "requestMethod": "POST",
        "url": "={{$env.MCP_SERVER_URL}}/action/createGithubIssue",
        "jsonParameters": true,
        "options": {},
        "bodyParametersJson": "={ \"repo\": $env.TARGET_REPO, \"title\": `Critical vulnerabilities detected`, \"body\": `Automatically logged by n8n. Found ${$json.counts.critical} critical issues.\\n\\nSample:\\n\\n${JSON.stringify($json.critical.slice(0,3), null, 2)}` }"
      },
      "id": "MCP_Create_Issue",
      "name": "MCP Create Issue",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 3,
      "position": [
        1000,
        120
      ]
    },
    {
      "parameters": {
        "requestMethod": "POST",
        "url": "={{$env.MCP_SERVER_URL}}/action/triggerN8nWebhook",
        "jsonParameters": true,
        "options": {},
        "bodyParametersJson": "={ \"url\": $env.N8N_REMEDIATION_WEBHOOK, \"payload\": { \"type\": \"remediate-highs\", \"issues\": $json.high.slice(0,5), \"repo\": $json.meta.repo } }"
      },
      "id": "MCP_Trigger_Remediation",
      "name": "MCP Trigger Remediation",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 3,
      "position": [
        1000,
        220
      ]
    },
    {
      "parameters": {
        "authentication": "predefinedCredentialType",
        "projectKey": "SEC",
        "summary": "Critical vulnerability detected in {{$json.meta.repo}}",
        "description": "Found {{$json.counts.critical}} critical issues. Sample:\n\n{{JSON.stringify($json.critical.slice(0,2), null, 2)}}",
        "issueType": "Bug"
      },
      "id": "Jira_Create_Ticket",
      "name": "Create Jira Ticket",
      "type": "n8n-nodes-base.jira",
      "typeVersion": 1,
      "position": [
        1000,
        20
      ]
    }
  ],
  "connections": {
    "Snyk Webhook": {
      "main": [
        [
          {
            "node": "Parse & Split",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Parse & Split": {
      "main": [
        [
          {
            "node": "Any Critical?",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Slack Notify",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Any Critical?": {
      "main": [
        [
          {
            "node": "MCP Create Issue",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "MCP Trigger Remediation",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Create Jira Ticket",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

About this workflow

Snyk → n8n routing and notifications. Uses httpRequest, jira. Webhook trigger; 7 nodes.

Source: https://github.com/SimardeepSingh-zsh/AutoSec-MCP/blob/c42281ac05c23304e5953dd343ccf3fce03aabbc/workflows/snyk-to-n8n.json — original creator credit. Request a take-down →

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