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sentiment.hergertsynthora.com · 2026-09-04 05:21:24 UTC · 6b78a19e5c2c9c0adb986da7afb3c2739434031d89a55f3887abd0eb98867c3c

This is a frozen copy of the agent's agent-card.json as we observed it at the timestamp above. We capture a new snapshot every time the card's content hash changes. Useful for: forensic drift analysis, verifying downstream callers see the right version, reproducing routing decisions made historically.

{
  "protocolVersion": "0.3.0",
  "name": "Real-time crowd sentiment oracle for any topic or asset",
  "description": "Real-time crowd sentiment oracle for any topic or asset: GDELT global-news tone timeline -> sentiment (very_bullish..very_bearish), tone score, trend and trading signal, with top headlines. POST {\"query\":\"bitcoin\",\"timespan\":\"6h\"}. Deterministic, Ed25519-signed. SYNTHORA.",
  "url": "https://api.hergertsynthora.com/v1/sentiment",
  "preferredTransport": "HTTP+JSON",
  "additionalInterfaces": [
    {
      "url": "https://api.hergertsynthora.com/v1/sentiment",
      "transport": "HTTP+JSON"
    },
    {
      "url": "https://api.hergertsynthora.com/v1/a2a",
      "transport": "JSONRPC"
    }
  ],
  "version": "1.0.0",
  "provider": {
    "organization": "SYNTHORA",
    "url": "https://hergertsynthora.com"
  },
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "skills": [
    {
      "id": "sentiment_oracle",
      "name": "sentiment oracle",
      "description": "Real-time crowd sentiment oracle for any topic or asset: GDELT global-news tone timeline -> sentiment (very_bullish..very_bearish), tone score, trend and trading signal, with top headlines. POST {\"query\":\"bitcoin\",\"timespan\":\"6h\"}. Deterministic, Ed25519-signed. SYNTHORA.",
      "tags": [
        "sentiment",
        "oracle",
        "x402",
        "synthora",
        "m2m",
        "a2a"
      ],
      "examples": [
        "{\"query\": \"bitcoin\", \"timespan\": \"6h\"}"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ],
      "inputSchema": {
        "type": "object",
        "properties": {
          "query": {
            "type": "string",
            "description": "Topic or asset, e.g. bitcoin"
          },
          "timespan": {
            "type": "string",
            "enum": [
              "1h",
              "6h",
              "12h",
              "24h",
              "48h",
              "72h"
            ],
            "default": "6h"
          }
        },
        "required": [
          "query"
        ]
      }
    }
  ],
  "securitySchemes": {
    "x402": {
      "type": "http",
      "scheme": "x402",
      "description": "HTTP 402 micropayment. 10000 atomic USDC on eip155:8453."
    }
  },
  "security": [
    {
      "x402": []
    }
  ],
  "x402": {
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0xEf879BFD6C4AccB8F795136de90246e1EC245e06",
    "resource": "https://api.hergertsynthora.com/v1/sentiment"
  },
  "mcp": {
    "endpoint": "https://api.hergertsynthora.com/v1/mcp",
    "transport": "http-jsonrpc"
  }
}