Agents Agent

{
  "agentId": 1365,
  "chainId": 5042,
  "feedback": {
    "byTag": [],
    "count": 0,
    "distinctClients": 0,
    "latestByClient": [],
    "revokedCount": 0
  },
  "onChain": {
    "agentUri": "https://api.arcgate.dev/.well-known/agent-registration.json",
    "agentWallet": "0x08a4f8734adab08d3461e356b5a498b893bd7b5e",
    "metadata": [],
    "owner": "0x7978845b8bc4c094f917f61d98fbc809987eaa1b",
    "registeredBlock": 23715240,
    "registeredTime": 1790860773
  },
  "registrationFile": {
    "checks": {
      "agentWalletMatchesOnChain": null,
      "registrationListsThisAgent": true,
      "uriMatchesOnChain": true
    },
    "fetchStatus": "fetched",
    "lastAttempt": {
      "at": 1790912412,
      "error": null,
      "uri": "https://api.arcgate.dev/.well-known/agent-registration.json"
    },
    "lastGood": {
      "active": true,
      "capabilities": [
        {
          "kind": "mcp_tool",
          "value": "health"
        }
      ],
      "description": "Token search, best-price swap quotes and ready-to-sign swap transactions for agents trading on Arc. Resolves a ticker to the right token, checks it can be sold, routes across Arc's DEX venues, and is paid per call over x402 in USDC.",
      "fetchedAt": 1790912412,
      "name": "arcgate",
      "services": [
        {
          "domainVerified": true,
          "endpoint": "https://api.arcgate.dev/trade/v1/mcp",
          "name": "MCP",
          "version": "2025-11-25"
        }
      ],
      "uri": "https://api.arcgate.dev/.well-known/agent-registration.json",
      "x402Support": true
    },
    "otherRegistrations": []
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.arcgate.dev/agents/v1/:chainId/agent/:agentId'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://api.arcgate.dev/agents/v1/:chainId/agent/:agentId' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.005 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.005" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.005 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.arcgate.dev%2Fagents%2Fv1%2F%3AchainId%2Fagent%2F%3AagentId
const res = await pay("https://api.arcgate.dev/agents/v1/:chainId/agent/:agentId");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.005 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.005"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://api.arcgate.dev/agents/v1/:chainId/agent/:agentId")
    print(res.status_code, res.text)