Sentinel — Agent Trust Oracle

{
  "name": "Sentinel — Agent Trust Oracle",
  "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
  "chain": {
    "network": "base",
    "testnet": {
      "network": "base-sepolia",
      "chain_id": 84532
    },
    "chain_id": 8453,
    "registries": {
      "eas": "0x4200000000000000000000000000000000000021",
      "eas_schema_uid": "0x86402407ac6d3c823ea3bb44300b82011aa840ac19ef64c6f228b12fc4d60b87",
      "identity_mainnet": "0x8004A169FB4a3325136EB29fA0ceB6D2e539a432",
      "identity_sepolia": "0x8004A818BFB912233c491871b3d84c89A494BD9e",
      "reputation_mainnet": "0x8004BAa17C55a88189AE136b182e5fdA19dE9b63",
      "reputation_sepolia": "0x8004B663056A597Dffe9eCcC1965A193B7388713",
      "validation_mainnet": "0x8004Cc8439f36fd5F9F049D9fF86523Df6dAAB58",
      "validation_sepolia": "0x8004Cb1BF31DAf7788923b405b754f57acEB4272"
    }
  },
  "image": "",
  "tools": [
    {
      "name": "erc8004_identity_read",
      "type": "blockchain"
    },
    {
      "name": "erc8004_reputation_read",
      "type": "blockchain"
    },
    {
      "name": "erc8004_reputation_write",
      "type": "blockchain"
    },
    {
      "name": "erc8004_validation_read",
      "type": "blockchain"
    },
    {
      "name": "erc8004_validation_write",
      "type": "blockchain"
    },
    {
      "name": "eas_attestation",
      "type": "blockchain"
    },
    {
      "name": "http_liveness_check",
      "type": "api"
    },
    {
      "name": "venice_api",
      "type": "llm",
      "model": "qwen3-235b-a22b-instruct-2507"
    }
  ],
  "active": true,
  "privacy": {
    "rationale": "Agent metadata and trust analysis are processed via Venice's no-data-retention inference. The querying agent's intent is never exposed.",
    "llm_provider": "venice",
    "data_retention": "none"
  },
  "version": "1.0.0",
  "operator": {
    "wallet": "0xC32a21ec6d714D5Dd95a1Bc0b60ba8FA9dCABfDd"
  },
  "services": [
    {
      "name": "mcp",
      "skills": [
        "verify_agent",
        "check_reputation",
        "get_trust_chain",
        "compute_transitive_trust"
      ],
      "domains": [
        "trust",
        "identity",
        "security"
      ],
      "version": "1.0",
      "endpoint": "stdio://sentinel-trust-oracle",
      "transport": "stdio"
    },
    {
      "name": "trust-oracle-api",
      "type": "http",
      "skills": [
        "verify_agent",
        "check_reputation",
        "get_trust_chain",
        "compute_transitive_trust"
      ],
      "domains": [
        "trust",
        "identity",
        "security"
      ],
      "version": "1.0",
      "endpoint": "https://sentinel-trust-oracle-production.up.railway.app"
    }
  ],
  "evaluator": {
    "wallet": "0x3CE2637B630c8caB992d0C15Ba94d4b144099Fd9"
  },
  "description": "Autonomous agent that verifies ERC-8004 agent identities, checks endpoint liveness, analyzes onchain history, and writes verifiable trust scores to the Reputation Registry via EAS attestations on Base.",
  "x402Support": true,
  "compute_budget": {
    "max_tool_calls_per_evaluation": 15
  },
  "task_categories": [
    "agent_trust_verification",
    "identity_verification",
    "reputation_evaluation"
  ],
  "evaluation_rubric": {
    "scale": "0-100 per dimension",
    "weights": {
      "onchain_history": 0.25,
      "endpoint_liveness": 0.25,
      "protocol_compliance": 0.2,
      "identity_completeness": 0.3,
      "venice_trust_analysis": "multiplier [0.3–1.5× base]"
    },
    "dimensions": [
      "identity_completeness",
      "endpoint_liveness",
      "onchain_history",
      "venice_trust_analysis",
      "protocol_compliance"
    ],
    "sybil_detection": "HHI concentration index on reputation reviewers",
    "veto_conditions": {
      "venice_fraud_signal": "venice < 20 → composite capped at 30",
      "unverifiable_identity": "identity < 15 → composite capped at 35"
    },
    "confidence_model": "Bayesian log-odds with continuous LR, Venice correlation discount",
    "transitive_trust": "Subjective Logic discount operator (Jøsang 2016)"
  }
}