Agent Commerce Audit
by TariffMonkee in Security & trust
Agentic-commerce readiness audit for a merchant domain: Google UCP profile at /.well-known/ucp, AP2 extension in the agent card, schema.org Product/Offer markup, visible payment providers, and whether robots.txt blocks AI agents. Returns a 0-100 score, per-check results with fixes, and what was not checked. Static public-signal check, not a certification.
https://tariffmonkee.com/paid/agent-commerce-audit- Price
- $0.05
- per call in USDC
- Uptime
- 100%
- last 30 days
- Response time
- 1.2 s
- 1.8 s slowest 5%
- Last check
- Passed
- 29 min ago, next in 2 min
Reliability
Status and outage history · Atom feed · Watch with other listings
How to call it
GET https://tariffmonkee.com/paid/agent-commerce-audit
Each call costs $0.05 in USDC on Base, paid with the request over x402.
Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.
Example request
From the listing.
GET https://tariffmonkee.com/paid/agent-commerce-audit?domain=allbirds.comParameters
| Parameter | Type | Required | Description |
|---|---|---|---|
domain | string | Yes | Merchant domain to audit, for example allbirds.com. |
Example response
The provider's example. We can't check it without paying.
Example response, 86 lines
{
"ap2": {
"agent_card_found": false,
"extension_declared": false,
"skills": null
},
"checked_at": "2026-10-19T12:45:24.245Z",
"checks": [
{
"detail": "UCP profile found and parses as JSON.",
"id": "ucp_profile",
"max_points": 10,
"points": 10,
"protocol": "UCP",
"status": "pass"
},
{
"detail": "Declares UCP version 2026-08-25.",
"fix": "Add ucp.version to the profile.",
"id": "ucp_version",
"max_points": 5,
"points": 5,
"protocol": "UCP",
"status": "pass"
},
{
"detail": "Services: dev.ucp.shopping.",
"fix": "Declare at least one service with an endpoint (REST or MCP) in ucp.services.",
"id": "ucp_services",
"max_points": 5,
"points": 5,
"protocol": "UCP",
"status": "pass"
}
],
"disclaimer": "Static public-signal check. It is not a certification and does not guarantee any agent will buy from the store. Protocols are changing; verify against the current UCP and AP2 specifications.",
"domain": "allbirds.com",
"level": "partial",
"next_steps": [
"Publish an A2A agent card at /.well-known/agent-card.json describing the shopping agent or skills the merchant exposes.",
"Add the AP2 extension (uri github.com/google-agentic-commerce/ap2/tree/v0.1) under capabilities.extensions in the agent card, and implement the mandate flow behind it.",
"Add schema.org Product with Offer (price, currency, availability) to product pages so agents can read catalog data."
],
"not_checked": [
"Google Merchant Center feed and product data quality",
"Whether declared UCP endpoints implement the protocol correctly (reachability only)",
"AP2 mandate signing and the live checkout flow"
],
"score": 59,
"sources": [
{
"name": "Google UCP: create a UCP profile",
"url": "https://developers.google.com/merchant/ucp/implementation/2026-04-08/publish-profile"
},
{
"name": "AP2 specification",
"url": "https://github.com/google-agentic-commerce/ap2"
}
],
"summary": "allbirds.com scores 59/100 for agentic-commerce readiness (partial). UCP profile found, AP2 extension not declared.",
"ucp_profile": {
"capabilities": [
"dev.ucp.shopping.checkout",
"dev.ucp.shopping.fulfillment",
"dev.ucp.shopping.discount"
],
"endpoints_checked": [
{
"reachable": true,
"status": 301,
"url": "https://weareallbirds.myshopify.com/api/ucp/mcp"
}
],
"found": true,
"has_signing_keys": false,
"payment_handlers": [
"com.google.pay",
"dev.shopify.card",
"dev.shopify.shop_pay"
],
"services": [
"dev.ucp.shopping"
],
"version": "2026-08-25"
}
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.05.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://tariffmonkee.com/paid/agent-commerce-audit?domain=allbirds.com'
# 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://tariffmonkee.com/paid/agent-commerce-audit?domain=allbirds.com' \
| grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decodeJavaScript: pay and call
// 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 $0.05 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.05" });
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 $0.05 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ftariffmonkee.com%2Fpaid%2Fagent-commerce-audit
const res = await pay("https://tariffmonkee.com/paid/agent-commerce-audit?domain=allbirds.com");
console.log(res.status, await res.text());Python: pay and call
# 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 $0.05 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.05"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))
with x402_requests(client) as session:
res = session.get("https://tariffmonkee.com/paid/agent-commerce-audit?domain=allbirds.com")
print(res.status_code, res.text)Security scan
No findings
We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 29 min ago | Passed | 402 | 123 ms | $0.05 |
| 5 h ago | Passed | 402 | 1.0 s | $0.05 |
| 8 h ago | Passed | 402 | 1.2 s | $0.05 |
| 12 h ago | Passed | 402 | 327 ms | $0.05 |
| 16 h ago | Passed | 402 | 1.3 s | $0.05 |
Show 2 older checks
| 20 h ago | Passed | 402 | 1.6 s | $0.05 |
| 29 h ago | Passed | 402 | 1.8 s | $0.05 |