Mnra Url Evidence Pack
by Machine Works in Search & web
Base Sepolia testnet only. One bounded public URL evidence packet: title, metadata, JSON-LD, text extract, links, timestamp and SHA-256. No JavaScript rendering, credentials or private-network access. 0.005 test USDC; no real revenue.
https://machine-works-testnet.weathered-dew-46b4.workers.dev/testnet/mnra/url-evidence-pack- Price
- $0.005
- per call in USDC
- Uptime
- 100%
- last 30 days
- Response time
- 830 ms
- 954 ms slowest 5%
- Last check
- Passed
- 36 min ago, next any minute now
Reliability
Status and outage history · Atom feed · Watch with other listings
How to call it
POST https://machine-works-testnet.weathered-dew-46b4.workers.dev/testnet/mnra/url-evidence-pack
Each call costs $0.005 in USDC on Base Sepolia, 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.
POST https://machine-works-testnet.weathered-dew-46b4.workers.dev/testnet/mnra/url-evidence-pack
content-type: application/json
{
"url": "https://example.com"
}Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
url | string | Yes | Public HTTP(S) URL. Runtime rejects IP literals, private/link-local networks, credentials and disallowed ports; every redirect is revalidated. |
Example response
The provider's example. We can't check it without paying.
Example response, 28 lines
{
"canonical": null,
"contentHashSha256": "0000000000000000000000000000000000000000000000000000000000000000",
"contentType": "text/html",
"extract": "Example Domain",
"fetchedAt": "2026-10-01T20:28:26.000Z",
"finalUrl": "https://example.com/",
"metaDescription": null,
"openGraph": {
"description": null,
"title": null,
"type": null,
"url": null
},
"outboundLinks": [],
"requestedUrl": "https://example.com",
"responseHeaders": {
"cacheControl": null,
"etag": null,
"lastModified": null
},
"status": 200,
"structuredData": {
"jsonLd": [],
"jsonLdCount": 0
},
"title": "Example Domain"
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.005.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://machine-works-testnet.weathered-dew-46b4.workers.dev/testnet/mnra/url-evidence-pack' \
-H 'content-type: application/json' \
--data-raw '{"url":"https://example.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 - -X POST 'https://machine-works-testnet.weathered-dew-46b4.workers.dev/testnet/mnra/url-evidence-pack' \
-H 'content-type: application/json' \
--data-raw '{"url":"https://example.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 $0.005 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%2Fmachine-works-testnet.weathered-dew-46b4.workers.dev%2Ftestnet%2Fmnra%2Furl-evidence-pack&method=POST
const res = await pay("https://machine-works-testnet.weathered-dew-46b4.workers.dev/testnet/mnra/url-evidence-pack", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({
"url": "https://example.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 $0.005 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.post(
"https://machine-works-testnet.weathered-dew-46b4.workers.dev/testnet/mnra/url-evidence-pack",
json={
"url": "https://example.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 |
|---|---|---|---|---|
| 36 min ago | Passed | 402 | 741 ms | $0.005 |
| 4 h ago | Passed | 402 | 740 ms | $0.005 |
| 7 h ago | Passed | 402 | 781 ms | $0.005 |
| 10 h ago | Passed | 402 | 954 ms | $0.005 |
| 15 h ago | Passed | 402 | 775 ms | $0.005 |
Show 10 older checks
| 20 h ago | Passed | 402 | 839 ms | $0.005 |
| 25 h ago | Passed | 402 | 731 ms | $0.005 |
| 31 h ago | Passed | 402 | 763 ms | $0.005 |
| 36 h ago | Passed | 402 | 799 ms | $0.005 |
| 41 h ago | Passed | 402 | 923 ms | $0.005 |
| 46 h ago | Passed | 402 | 897 ms | $0.005 |
| 2 days ago | Passed | 402 | 734 ms | $0.005 |
| 2 days ago | Passed | 402 | 878 ms | $0.005 |
| 3 days ago | Passed | 402 | 1.0 s | $0.005 |
| 3 days ago | Passed | 402 | 846 ms | $0.005 |