Witnos

{
  "url": "https://data.crestsystems.ai/a2a",
  "name": "Witnos",
  "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
  "image": "https://data.crestsystems.ai/witnos-logo.png",
  "active": true,
  "skills": [
    {
      "id": "verify_counterparty",
      "name": "Verify an x402 counterparty",
      "tags": [
        "x402",
        "trust",
        "verification",
        "counterparty",
        "payments",
        "witness",
        "rug-check",
        "agent-economy"
      ],
      "examples": [
        "verify 0x4ed4e862860bed51a9570b96d89af5e1b0efefed",
        "is 0x68396bd35874695ad86cd29410bd80a550991a2b safe to pay over x402"
      ],
      "inputModes": [
        "text/plain"
      ],
      "description": "Given a 0x address, returns whether it is a real x402 service, a relayer, a treasury, or has no track record, and whether it is safe to pay. The check to run before your agent pays anyone over x402.",
      "outputModes": [
        "text/plain"
      ]
    }
  ],
  "iconUrl": "https://data.crestsystems.ai/witnos-logo.png",
  "version": "1.0.0",
  "provider": {
    "url": "https://crestsystems.ai",
    "organization": "Crest Deployment Systems"
  },
  "services": [
    {
      "name": "web",
      "endpoint": "https://data.crestsystems.ai/"
    },
    {
      "name": "MCP",
      "version": "2025-06-18",
      "endpoint": "https://data.crestsystems.ai/mcp",
      "mcpTools": [
        "crest_verify",
        "crest_score",
        "token_risk",
        "agent_preflight",
        "crest_passport",
        "crest_remember",
        "crest_recall"
      ]
    },
    {
      "name": "A2A",
      "version": "0.2.9",
      "endpoint": "https://data.crestsystems.ai/.well-known/agent-card.json"
    },
    {
      "name": "agentWallet",
      "endpoint": "eip155:8453:0x39b76b6ff9Ccbfb56163A568D48a4cFabB330cb4"
    }
  ],
  "updatedAt": 1782488796,
  "description": "The neutral witness for the x402 agent economy. Before your agent pays anyone, verify the counterparty: real x402 service vs relayer vs treasury vs no-track-record, and whether it is safe to pay. Read from the Crest settlement graph. Never let your agent pay a rug.",
  "x402Support": true,
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "registrations": [
    {
      "agentId": 57087,
      "agentRegistry": "eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
    }
  ],
  "supportedTrust": [
    "reputation"
  ],
  "protocolVersion": "0.2.9",
  "defaultInputModes": [
    "text/plain"
  ],
  "defaultOutputModes": [
    "text/plain"
  ],
  "preferredTransport": "JSONRPC"
}