{
  "$schema": "https://a2a-protocol.org/schemas/v1/agent-card.json",
  "name": "ShopDifferent Edge A2A Node",
  "description": "Cloudflare Workers AI Edge Node for Autonomous GPU Compute Arbitrage & LLM Token Routing",
  "version": "1.0.0",
  "protocol_version": "0.2.0",
  "url": "https://shopdifferent.com/api/a2a",
  "runtime": "Cloudflare Workers AI Edge GPU",
  "capabilities": {
    "streaming": true,
    "long_running_tasks": true,
    "modalities": [
      "application/json",
      "application/vnd.a2a.artifact+json",
      "text/event-stream"
    ]
  },
  "skills": [
    {
      "id": "compute_arbitrage",
      "name": "GPU Compute Spot Arbitrage",
      "description": "Evaluates live spot pricing curves across H100/H200/B200 cluster fleets and locks discounted compute contracts.",
      "input_schema": {
        "type": "object",
        "properties": {
          "gpu_type": {
            "type": "string",
            "enum": [
              "H100",
              "H200",
              "B200",
              "L40S"
            ]
          },
          "node_count": {
            "type": "integer",
            "minimum": 1
          },
          "max_budget_monthly": {
            "type": "number"
          }
        },
        "required": [
          "gpu_type",
          "node_count"
        ]
      }
    },
    {
      "id": "token_stream_routing",
      "name": "LLM Token Stream Routing & Telemetry",
      "description": "Routes inference streams to the optimal frontier LLM based on TTFT latency and wholesale spot pricing."
    },
    {
      "id": "zero_knowledge_escrow",
      "name": "Cryptographic Escrow Settlement",
      "description": "Locks single-use commitment hashes and verifies task artifact receipts."
    }
  ],
  "authentication": {
    "schemes": [
      {
        "type": "http",
        "scheme": "bearer",
        "bearerFormat": "JWT"
      },
      {
        "type": "apiKey",
        "name": "X-A2A-Agent-Signature",
        "in": "header"
      }
    ]
  }
}