Agent Protocol Inspector scan (MCP / A2A / ARD / llms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x4eba5ea3cf0f3fc307099317e17e54390f7a4c58",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "20000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "POST",
        "schema": {
          "properties": {
            "url": {
              "description": "URL of the agent/service to scan for MCP, A2A, ARD, and llms.txt support",
              "type": "string"
            }
          },
          "required": [
            "url"
          ],
          "type": "object"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "detectedCount": 1,
          "llmsTxt": {
            "found": true,
            "url": "https://example.com/llms.txt"
          },
          "origin": "https://example.com",
          "protocols": {
            "a2a": {
              "evidence": [],
              "status": "not_detected"
            },
            "ard": {
              "evidence": [],
              "status": "not_detected"
            },
            "mcp": {
              "evidence": [
                "Found /.well-known/mcp.json"
              ],
              "status": "confirmed"
            }
          },
          "target": "https://example.com"
        },
        "schema": {
          "properties": {
            "detectedCount": {
              "type": "number"
            },
            "llmsTxt": {
              "description": "Whether an llms.txt file was found, and its URL",
              "type": "object"
            },
            "origin": {
              "type": "string"
            },
            "protocols": {
              "description": "mcp, a2a, and ard detection results, each with status (confirmed/indicated/not_detected), evidence, and details",
              "type": "object"
            },
            "target": {
              "type": "string"
            }
          },
          "type": "object"
        }
      }
    },
    "schema": {
      "properties": {
        "detectedCount": {
          "type": "number"
        },
        "llmsTxt": {
          "description": "Whether an llms.txt file was found, and its URL",
          "type": "object"
        },
        "origin": {
          "type": "string"
        },
        "protocols": {
          "description": "mcp, a2a, and ard detection results, each with status (confirmed/indicated/not_detected), evidence, and details",
          "type": "object"
        },
        "target": {
          "type": "string"
        }
      },
      "type": "object"
    }
  }
}

curl "https://contextiq.trango-compute.com/api/v1/agent-protocol-inspector/x402-v2"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://contextiq.trango-compute.com/api/v1/agent-protocol-inspector/x402-v2");
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://contextiq.trango-compute.com/api/v1/agent-protocol-inspector/x402-v2")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header