A2a Agent Communication Example

The workflow JSON

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{
  "name": "A2A Agent Communication Example",
  "nodes": [
    {
      "parameters": {},
      "id": "3f4d8e2a-1b2c-3d4e-5f6a-789012345678",
      "name": "When clicking \"Test Workflow\"",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        820,
        360
      ]
    },
    {
      "parameters": {
        "resource": "agent",
        "operation": "getAgentCard",
        "agentUrl": "https://your-agent-api.example.com"
      },
      "id": "1a2b3c4d-5e6f-7g8h-9i0j-1k2l3m4n5o6p",
      "name": "Get Agent Card",
      "type": "n8n-nodes-a2a",
      "typeVersion": 1,
      "position": [
        1040,
        360
      ]
    },
    {
      "parameters": {
        "resource": "agent",
        "operation": "send",
        "agentUrl": "https://your-agent-api.example.com",
        "message": "Hello! Can you help me understand the current weather conditions?",
        "sessionId": "demo-session-123",
        "taskId": "weather-query-001",
        "additionalOptions": {
          "role": "user",
          "timeout": 30000,
          "headers": {
            "parameter": [
              {
                "name": "X-Custom-Header",
                "value": "demo-value"
              }
            ]
          }
        }
      },
      "id": "2b3c4d5e-6f7g-8h9i-0j1k-2l3m4n5o6p7q",
      "name": "Send Message to Agent",
      "type": "n8n-nodes-a2a",
      "typeVersion": 1,
      "position": [
        1260,
        360
      ]
    },
    {
      "parameters": {
        "resource": "agent",
        "operation": "sendSubscribe",
        "agentUrl": "https://your-agent-api.example.com",
        "message": "Please provide a detailed analysis of the latest market trends in technology stocks.",
        "sessionId": "demo-session-123",
        "taskId": "market-analysis-002",
        "additionalOptions": {
          "role": "user",
          "timeout": 60000,
          "includeMetadata": true
        }
      },
      "id": "3c4d5e6f-7g8h-9i0j-1k2l-3m4n5o6p7q8r",
      "name": "Send Message with Streaming",
      "type": "n8n-nodes-a2a",
      "typeVersion": 1,
      "position": [
        1480,
        360
      ]
    },
    {
      "parameters": {
        "values": {
          "string": [
            {
              "name": "summary",
              "value": "=Agent communication test completed successfully"
            },
            {
              "name": "agent_card",
              "value": "={{ $('Get Agent Card').item.json }}"
            },
            {
              "name": "standard_response",
              "value": "={{ $('Send Message to Agent').item.json }}"
            },
            {
              "name": "streaming_response",
              "value": "={{ $('Send Message with Streaming').item.json }}"
            }
          ]
        },
        "options": {}
      },
      "id": "4d5e6f7g-8h9i-0j1k-2l3m-4n5o6p7q8r9s",
      "name": "Combine Results",
      "type": "n8n-nodes-base.set",
      "typeVersion": 1,
      "position": [
        1700,
        360
      ]
    }
  ],
  "connections": {
    "When clicking \"Test Workflow\"": {
      "main": [
        [
          {
            "node": "Get Agent Card",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Agent Card": {
      "main": [
        [
          {
            "node": "Send Message to Agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Send Message to Agent": {
      "main": [
        [
          {
            "node": "Send Message with Streaming",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Send Message with Streaming": {
      "main": [
        [
          {
            "node": "Combine Results",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  },
  "staticData": null,
  "tags": [],
  "triggerCount": 0,
  "updatedAt": "2024-01-15T10:30:00.000Z",
  "versionId": "12345678-1234-5678-9abc-123456789012"
}

About this workflow

A2A Agent Communication Example. Uses n8n-nodes-a2a. Event-driven trigger; 5 nodes.

Source: https://github.com/bruno-growthsales/n8n-node-a2a/blob/9fa6f1f828cf4204b44b090ca59654d2f116b98b/examples/A2A_Agent_Example_Workflow.json — original creator credit. Request a take-down →

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