71trust / 100

Calc Scoff

by magent in Other

x402 APIPassing, checked 4 h ago

Morgan 1999 SCOFF questionnaire: five caller-assigned yes/no flags (make yourself sick, lost control over eating, lost more than one stone / 14 lb in 3 months, believe fat when others say thin, food dominates life), 1 point each, max 5. Screen-positive when two or more answers are affirmative (score ≥2). Deterministic published score with citation; not a diagnosis of an eating disorder and not a medical device. magent does not interview the patient or interpret individual items.

POST
https://api.magentlab.com/api/calc/scoff
Price
$0.007
per call in USDC
Uptime
100%
last 30 days
Response time
164 ms
370 ms slowest 5%
Last check
Passed
4 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://api.magentlab.com/api/calc/scoff

Each call costs $0.007 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://api.magentlab.com/api/calc/scoff
content-type: application/json

{
  "items": [
    {
      "believe_fat_when_others_say_thin": false,
      "food_dominates_life": false,
      "lost_control_over_eating": false,
      "lost_more_than_one_stone_3_months": false,
      "make_yourself_sick": false
    },
    {
      "believe_fat_when_others_say_thin": false,
      "food_dominates_life": false,
      "lost_control_over_eating": false,
      "lost_more_than_one_stone_3_months": false,
      "make_yourself_sick": false
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
itemsarray of objectYes

Example response

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

Example response, 92 lines
{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Morgan JF, Reid F, Lacey JH",
        "doi": "10.1136/bmj.319.7223.1467",
        "id": "morgan-1999",
        "pmid": "10582927",
        "source": "BMJ. 1999;319(7223):1467-1468",
        "title": "The SCOFF questionnaire: assessment of a new screening tool for eating disorders"
      },
      "components": [
        {
          "factor": "make_yourself_sick",
          "points": 0,
          "present": false
        },
        {
          "factor": "lost_control_over_eating",
          "points": 0,
          "present": false
        },
        {
          "factor": "lost_more_than_one_stone_3_months",
          "points": 0,
          "present": false
        },
        {
          "factor": "believe_fat_when_others_say_thin",
          "points": 0,
          "present": false
        },
        {
          "factor": "food_dominates_life",
          "points": 0,
          "present": false
        }
      ],
      "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
      "formula": "scoff",
      "formula_expression": "SCOFF = make_yourself_sick + lost_control_over_eating + lost_more_than_one_stone_3_months + believe_fat_when_others_say_thin + food_dominates_life; each 1 if true; max 5",
      "max_score": 5,
      "score": 0,
      "screen_positive": false
    },
    {
      "citation": {
        "authors": "Morgan JF, Reid F, Lacey JH",
        "doi": "10.1136/bmj.319.7223.1467",
        "id": "morgan-1999",
        "pmid": "10582927",
        "source": "BMJ. 1999;319(7223):1467-1468",
        "title": "The SCOFF questionnaire: assessment of a new screening tool for eating disorders"
      },
      "components": [
        {
          "factor": "make_yourself_sick",
          "points": 0,
          "present": false
        },
        {
          "factor": "lost_control_over_eating",
          "points": 0,
          "present": false
        },
        {
          "factor": "lost_more_than_one_stone_3_months",
          "points": 0,
          "present": false
        },
        {
          "factor": "believe_fat_when_others_say_thin",
          "points": 0,
          "present": false
        },
        {
          "factor": "food_dominates_life",
          "points": 0,
          "present": false
        }
      ],
      "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
      "formula": "scoff",
      "formula_expression": "SCOFF = make_yourself_sick + lost_control_over_eating + lost_more_than_one_stone_3_months + believe_fat_when_others_say_thin + food_dominates_life; each 1 if true; max 5",
      "max_score": 5,
      "score": 0,
      "screen_positive": false
    }
  ],
  "path": "/api/calc/scoff"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.007.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/scoff' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"believe_fat_when_others_say_thin":false,"food_dominates_life":false,"lost_control_over_eating":false,"lost_more_than_one_stone_3_months":false,"make_yourself_sick":false},{"believe_fat_when_others_say_thin":false,"food_dominates_life":false,"lost_control_over_eating":false,"lost_more_than_one_stone_3_months":false,"make_yourself_sick":false}]}'

# 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://api.magentlab.com/api/calc/scoff' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"believe_fat_when_others_say_thin":false,"food_dominates_life":false,"lost_control_over_eating":false,"lost_more_than_one_stone_3_months":false,"make_yourself_sick":false},{"believe_fat_when_others_say_thin":false,"food_dominates_life":false,"lost_control_over_eating":false,"lost_more_than_one_stone_3_months":false,"make_yourself_sick":false}]}' \
  | 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 $0.007 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.007" });
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 $0.007 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Fscoff&method=POST
const res = await pay("https://api.magentlab.com/api/calc/scoff", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "believe_fat_when_others_say_thin": false,
        "food_dominates_life": false,
        "lost_control_over_eating": false,
        "lost_more_than_one_stone_3_months": false,
        "make_yourself_sick": false
      },
      {
        "believe_fat_when_others_say_thin": false,
        "food_dominates_life": false,
        "lost_control_over_eating": false,
        "lost_more_than_one_stone_3_months": false,
        "make_yourself_sick": false
      }
    ]
  }),
});
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 $0.007 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.007"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.magentlab.com/api/calc/scoff",
        json={
            "items": [
                {
                    "believe_fat_when_others_say_thin": False,
                    "food_dominates_life": False,
                    "lost_control_over_eating": False,
                    "lost_more_than_one_stone_3_months": False,
                    "make_yourself_sick": False,
                },
                {
                    "believe_fat_when_others_say_thin": False,
                    "food_dominates_life": False,
                    "lost_control_over_eating": False,
                    "lost_more_than_one_stone_3_months": False,
                    "make_yourself_sick": False,
                },
            ],
        },
    )
    print(res.status_code, res.text)

Security scan

1 finding

  • Charges more than its listed price in payment
    Listed at $0.005, charges $0.007

Recent checks

WhenResultHTTPTimePrice
4 h agoPassed402254 ms$0.007
8 h agoPassed402244 ms$0.007
13 h agoPassed402159 ms$0.007
18 h agoPassed402216 ms$0.007
22 h agoPassed402233 ms$0.007
Show 10 older checks
26 h agoPassed402150 ms$0.007
30 h agoPassed402293 ms$0.007
35 h agoPassed402236 ms$0.007
39 h agoPassed402150 ms$0.007
43 h agoPassed402229 ms$0.007
47 h agoPassed402883 ms$0.007
2 days agoPassed402218 ms$0.007
2 days agoPassed402137 ms$0.007
3 days agoPassed402164 ms$0.007
3 days agoPassed402133 ms$0.007

History

11 Oct 2026Price changed from $0.005 to $0.007