Read what an MCP server does before connecting: findings quoted at file:line from its publ

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x6Eeec6b06bD07b5A74784aF5FfAd5A65bbb1c4dD",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "200000",
    "maxTimeoutSeconds": 60
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "bodySchema": {
          "properties": {
            "ecosystem": {
              "default": "mcp",
              "enum": [
                "mcp"
              ],
              "type": "string"
            },
            "name": {
              "description": "MCP registry name (io.github.owner/repo) or the package name you install.",
              "type": "string"
            },
            "version": {
              "description": "Exact version, e.g. 1.2.3",
              "type": "string"
            }
          },
          "required": [
            "name",
            "version"
          ],
          "type": "object"
        },
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "disclaimer": "A report of facts found in the source code, not a safety guarantee.",
          "ecosystem": "mcp",
          "findings": [
            {
              "category": "credential_access",
              "evidence": "var data = { email: email, password: password }",
              "location": "lib/auth.js:110",
              "severity": "high",
              "why": "Reads email and auth token from a config file in the user's home directory."
            }
          ],
          "name": "io.github.firebase/firebase-mcp",
          "risk_level": "high",
          "status": "analyzed",
          "version": "0.3.0"
        }
      }
    },
    "schema": {
      "input": {
        "type": "object"
      },
      "output": {
        "type": "object"
      }
    }
  }
}

curl "https://sri-test.biz/v1/x402/verify"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://sri-test.biz/v1/x402/verify");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://sri-test.biz/v1/x402/verify")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header