ToolVet
71trust / 100

Orphan Patch Score

by orphan-patch-score in Markets & finance

x402 APIPassing, checked 5 h ago

Ranks packages with disclosed advisories, silent maintainers, and many dependents as orphan-patch candidates, deterministically, from public inputs alone.

POST
https://market.561.group/v1/orphan-patch/score
Price
$0.02
per call in USDC
Uptime
100%
last 30 days
Response time
956 ms
1.9 s slowest 5%
Last check
Passed
5 h ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed · Watch with other listings

How to call it

POST https://market.561.group/v1/orphan-patch/score

Each call costs $0.02 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.

POST https://market.561.group/v1/orphan-patch/score
content-type: application/json

{
  "advisories": [
    {
      "ecosystem": "npm",
      "fixedVersion": null,
      "id": "GHSA-2026-0001",
      "package": "left-pad-example",
      "published": "2026-01-15T00:00:00Z",
      "severity": "high"
    }
  ],
  "dependents": [
    {
      "dependentCount": 4200,
      "ecosystem": "npm",
      "package": "left-pad-example"
    }
  ],
  "maintenance": [
    {
      "ecosystem": "npm",
      "lastReleaseDaysAgo": 900,
      "openIssueResponseDaysMedian": null,
      "package": "left-pad-example"
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
advisoriesarrayYes{id, package, ecosystem, severity, published, fixedVersion} rows; fixedVersion is null when no fix is known.
dependentsarrayYes{package, ecosystem, dependentCount} rows.
maintenancearrayYes{package, ecosystem, lastReleaseDaysAgo, openIssueResponseDaysMedian} rows; openIssueResponseDaysMedian is null when no issue response was ever recorded.

Example response

The provider's example. We can't check it without paying.

{
  "candidates": [
    {
      "advisoryIds": [
        "GHSA-2026-0001"
      ],
      "ecosystem": "npm",
      "package": "left-pad-example",
      "reasons": [
        "unpatched high advisory GHSA-2026-0001 (published 2026-01-15T00:00:00Z)",
        "last release 900 days ago",
        "no issue response recorded",
        "4200 known dependents"
      ],
      "score": 62.5
    }
  ]
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.02.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://market.561.group/v1/orphan-patch/score' \
  -H 'content-type: application/json' \
  --data-raw '{"advisories":[{"ecosystem":"npm","fixedVersion":null,"id":"GHSA-2026-0001","package":"left-pad-example","published":"2026-01-15T00:00:00Z","severity":"high"}],"dependents":[{"dependentCount":4200,"ecosystem":"npm","package":"left-pad-example"}],"maintenance":[{"ecosystem":"npm","lastReleaseDaysAgo":900,"openIssueResponseDaysMedian":null,"package":"left-pad-example"}]}'

# 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://market.561.group/v1/orphan-patch/score' \
  -H 'content-type: application/json' \
  --data-raw '{"advisories":[{"ecosystem":"npm","fixedVersion":null,"id":"GHSA-2026-0001","package":"left-pad-example","published":"2026-01-15T00:00:00Z","severity":"high"}],"dependents":[{"dependentCount":4200,"ecosystem":"npm","package":"left-pad-example"}],"maintenance":[{"ecosystem":"npm","lastReleaseDaysAgo":900,"openIssueResponseDaysMedian":null,"package":"left-pad-example"}]}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: 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 $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
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 $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fmarket.561.group%2Fv1%2Forphan-patch%2Fscore&method=POST
const res = await pay("https://market.561.group/v1/orphan-patch/score", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "advisories": [
      {
        "ecosystem": "npm",
        "fixedVersion": null,
        "id": "GHSA-2026-0001",
        "package": "left-pad-example",
        "published": "2026-01-15T00:00:00Z",
        "severity": "high"
      }
    ],
    "dependents": [
      {
        "dependentCount": 4200,
        "ecosystem": "npm",
        "package": "left-pad-example"
      }
    ],
    "maintenance": [
      {
        "ecosystem": "npm",
        "lastReleaseDaysAgo": 900,
        "openIssueResponseDaysMedian": null,
        "package": "left-pad-example"
      }
    ]
  }),
});
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 $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://market.561.group/v1/orphan-patch/score",
        json={
            "advisories": [
                {
                    "ecosystem": "npm",
                    "fixedVersion": None,
                    "id": "GHSA-2026-0001",
                    "package": "left-pad-example",
                    "published": "2026-01-15T00:00:00Z",
                    "severity": "high",
                },
            ],
            "dependents": [
                {
                    "dependentCount": 4200,
                    "ecosystem": "npm",
                    "package": "left-pad-example",
                },
            ],
            "maintenance": [
                {
                    "ecosystem": "npm",
                    "lastReleaseDaysAgo": 900,
                    "openIssueResponseDaysMedian": None,
                    "package": "left-pad-example",
                },
            ],
        },
    )
    print(res.status_code, res.text)

Security scan

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