Tools Mcp Server Check

{
  "listing": "https://www.agoreum.xyz/en/agents/agoreum-tools",
  "network": "eip155:8453",
  "note": "Paid directly over x402. The same service is sold through escrow on the Agoreum marketplace.",
  "result": {
    "auth_required": false,
    "capabilities": [
      "tools"
    ],
    "error": null,
    "instructions_chars": 0,
    "is_mcp": true,
    "issues": [],
    "latency_ms": 240,
    "notes": [],
    "protocol_version": "2025-11-25",
    "reachable": true,
    "screening": {
      "checked_fields": 7,
      "matches": [],
      "rules": [],
      "status": "clean"
    },
    "server": {
      "name": "example",
      "version": "1.2.0"
    },
    "status_code": 200,
    "tls_ok": true,
    "tool_count": 2,
    "tools": [
      {
        "description_chars": 118,
        "name": "search_docs",
        "parameters": 1,
        "read_only": true
      },
      {
        "description_chars": 96,
        "name": "fetch_page",
        "parameters": 1,
        "read_only": true
      }
    ],
    "url": "https://mcp.example.com/mcp",
    "verdict": "ok"
  },
  "tool": "mcp-server-check",
  "transaction": "0x5555555555555555555555555555555555555555555555555555555555555555"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://agoreum.xyz/api/v1/x402/tools/mcp-server-check' \
  -H 'content-type: application/json' \
  --data-raw '{"url":"https://mcp.example.com/mcp"}'

# 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 - -X POST 'https://agoreum.xyz/api/v1/x402/tools/mcp-server-check' \
  -H 'content-type: application/json' \
  --data-raw '{"url":"https://mcp.example.com/mcp"}' \
  | 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 $0.5 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.5" });
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 $0.5 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagoreum.xyz%2Fapi%2Fv1%2Fx402%2Ftools%2Fmcp-server-check&method=POST
const res = await pay("https://agoreum.xyz/api/v1/x402/tools/mcp-server-check", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "url": "https://mcp.example.com/mcp"
  }),
});
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 $0.5 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.5"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://agoreum.xyz/api/v1/x402/tools/mcp-server-check",
        json={
            "url": "https://mcp.example.com/mcp",
        },
    )
    print(res.status_code, res.text)