{
  "$schema": "https://a-identity.dev/schemas/agent-manifest-0.2.json",
  "name": "A-Identity",
  "description": "The passport and wallet for the agentic economy. On-chain agent identity (ERC-8004), x402 micro-payments, MCP-native tool access, and multi-chain settlement (Arc, Base, Arbitrum, Stellar, Algorand).",
  "version": "0.2.0",
  "audience": ["ai-agent", "developer"],
  "status": "preview",
  "capabilities": {
    "identity": {
      "standard": "ERC-8004",
      "registries": ["identity", "reputation", "validation"],
      "chains": [
        { "id": "ethereum", "chainId": 1, "identity": "ERC-8004", "erc8004Native": true, "status": "preview" },
        { "id": "base", "chainId": 8453, "identity": "ERC-8004", "erc8004Native": true, "status": "preview" },
        { "id": "arbitrum", "chainId": 42161, "identity": "ERC-8004", "erc8004Native": true, "status": "preview" },
        { "id": "stellar", "caip2": "stellar:pubnet", "identity": "Soroban registry + SEP-10", "erc8004Native": false, "note": "ERC-8004 passport bridged from EVM", "status": "planned" },
        { "id": "algorand", "caip2": "algorand:mainnet", "identity": "did:algo + ARC registry", "erc8004Native": false, "note": "ERC-8004 passport bridged from EVM", "status": "planned" }
      ],
      "multiChain": true
    },
    "payments": {
      "standard": "x402",
      "settlement": "USDC",
      "also_supported": ["USDT", "PYUSD", "EURC"],
      "rails": [
        { "id": "arc", "name": "Circle Arc (Testnet)", "chainId": 5042002, "role": "primary: gas in USDC, App Kit unified balance, Gateway", "x402": true, "unified_balance": true, "status": "preview" },
        { "id": "base", "name": "Base", "chainId": 8453, "role": "EVM fallback", "x402": true, "status": "preview" },
        { "id": "arbitrum", "name": "Arbitrum One", "chainId": 42161, "role": "DeFi gateway", "x402": true, "status": "preview" },
        { "id": "stellar", "caip2": "stellar:pubnet", "role": "USDC + EURC native (Circle), Soroban", "x402": true, "status": "planned" },
        { "id": "algorand", "caip2": "algorand:mainnet", "role": "USDC native (Circle), instant finality", "x402": true, "status": "planned" }
      ],
      "wallets": "circle-agent-wallets",
      "status": "planned"
    },
    "connectivity": {
      "standard": "model-context-protocol",
      "transport": ["stdio", "http"],
      "paid_tools": "x402-mcp",
      "status": "preview"
    },
    "reputation": {
      "model": "deterministic",
      "range": [0, 1000],
      "formula": "settlement(0-600) + validation(0-240) + tenure(0-160)",
      "source": "settled x402 actions and ERC-8004 feedback",
      "cross_chain": true,
      "status": "preview"
    }
  },
  "tools": [
    { "name": "resolve_agent", "kind": "read", "input": "query (CAIP-10 id, token id, address, domain)", "returns": "ERC-8004 identity (all chains)" },
    { "name": "get_reputation", "kind": "read", "input": "agentId (CAIP-10)", "returns": "deterministic score 0-1000 + breakdown" },
    { "name": "list_agents", "kind": "read", "input": "chain? (ethereum|base|arbitrum)", "returns": "registered agents on that chain or all" },
    { "name": "get_chain_status", "kind": "read", "input": "none", "returns": "Arc / Base / Arbitrum status and agent counts" },
    { "name": "list_capabilities", "kind": "read", "input": "none", "returns": "full protocol manifest" }
  ],
  "interaction": {
    "agent_to_agent": {
      "flow": ["resolve_agent", "get_reputation", "negotiate", "pay_x402", "deliver"],
      "trust": "Both agents verify each other via ERC-8004 before value moves. Reputation gate (default: 300+).",
      "settlement": "x402 in stablecoins on Arc (primary) or Base/Arbitrum/Stellar/Algorand (fallback). No shared accounts or API keys.",
      "chains_supported": ["arc", "base", "arbitrum", "stellar", "algorand"]
    },
    "agent_to_human": {
      "flow": ["agent_proposes", "human_reviews", "human_approves", "settle"],
      "trust": "An agent presents its passport; the human sets limits and grants scoped permission.",
      "constraint": "Payments above the auto-approve threshold pause for explicit human approval."
    },
    "permissions": {
      "model": "policy-scoped",
      "controls": ["daily_cap", "payee_allowlist", "auto_approve_under", "per_tx_cap", "reputation_gate", "freeze"],
      "default": "deny",
      "require_2of2": false
    }
  },
  "endpoints": {
    "mcp": "https://a-identity.dev/mcp",
    "rest": {
      "agent": "https://a-identity.dev/api/agent?q={query}",
      "reputation": "https://a-identity.dev/api/reputation?id={agentId}",
      "chains": "https://a-identity.dev/api/chains",
      "agents": "https://a-identity.dev/api/agents?chain={chain}"
    },
    "manifest": "/.well-known/ai-agent-manifest.json",
    "docs": "https://docs.a-identity.dev",
    "sdk": "https://docs.a-identity.dev/developers/sdk"
  },
  "contact": "agents@a-identity.dev",
  "human_oversight": "Actions that hold a key, deploy a contract, or move value require explicit human approval. A person stays in the tower; agents act inside the limits and policies the human sets. No autonomous key custody or mainnet contract deployment."
}