71trust / 100

Calc Tokyo Cholecystitis

by magent in Other

x402 APIPassing, checked 2 h ago

Yokoe 2018 TG18 (=TG13) acute cholecystitis. Definite if local signs (Murphy or RUQ mass/pain/tenderness), systemic signs (fever, elevated CRP or WBC), and imaging; suspected if local and systemic without imaging; else none. Suspected/definite: Grade III if any organ dysfunction, else Grade II if any Grade II flag, else Grade I. Severity none when diagnosis is none. Not cholangitis or Alvarado/RIPASA. magent does not examine, assay, or read imaging. Not a medical device.

POST

https://api.magentlab.com/api/calc/tokyo_cholecystitis

Price: $0.007; per call in USDC
Uptime: 100%; last 30 days
Response time: 190 ms; 494 ms slowest 5%
Last check: Passed; 2 h ago, next any minute now

Run a free test call How 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/tokyo_cholecystitis

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/tokyo_cholecystitis
content-type: application/json

{
  "items": [
    {
      "decreased_consciousness": false,
      "duration_gt_72h": false,
      "elevated_crp": false,
      "elevated_wbc": false,
      "fever": false,
      "hypotension_vasopressors": false,
      "imaging_findings": false,
      "marked_local_inflammation": false,
      "murphy": false,
      "oliguria_or_creatinine_gt_2": false,
      "palpable_tender_ruq_mass": false,
      "pfr_lt_300": false,
      "platelets_lt_100k": false,
      "pt_inr_gt_1_5": false,
      "ruq_mass_pain_tenderness": false,
      "wbc_gt_18000": false
    },
    {
      "decreased_consciousness": false,
      "duration_gt_72h": false,
      "elevated_crp": false,
      "elevated_wbc": false,
      "fever": false,
      "hypotension_vasopressors": false,
      "imaging_findings": false,
      "marked_local_inflammation": false,
      "murphy": false,
      "oliguria_or_creatinine_gt_2": false,
      "palpable_tender_ruq_mass": false,
      "pfr_lt_300": false,
      "platelets_lt_100k": false,
      "pt_inr_gt_1_5": false,
      "ruq_mass_pain_tenderness": false,
      "wbc_gt_18000": false
    }
  ]
}

Parameters

Parameter	Type	Required	Description
`items`	array of object	Yes

Example response

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

Example response, 200 lines

{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Yokoe M, Hata J, Takada T, et al.",
        "doi": "10.1002/jhbp.515",
        "id": "yokoe-2018",
        "pmid": "29032636",
        "source": "J Hepatobiliary Pancreat Sci. 2018;25(1):41-54",
        "title": "Tokyo Guidelines 2018: diagnostic criteria and severity grading of acute cholecystitis (with videos)."
      },
      "criteria": [
        {
          "factor": "local_signs",
          "met": false
        },
        {
          "factor": "systemic_signs",
          "met": false
        },
        {
          "factor": "imaging_findings",
          "met": false
        },
        {
          "factor": "grade_iii_any",
          "met": false
        },
        {
          "factor": "grade_ii_any",
          "met": false
        },
        {
          "factor": "murphy",
          "met": false
        },
        {
          "factor": "ruq_mass_pain_tenderness",
          "met": false
        },
        {
          "factor": "fever",
          "met": false
        },
        {
          "factor": "elevated_crp",
          "met": false
        },
        {
          "factor": "elevated_wbc",
          "met": false
        },
        {
          "factor": "hypotension_vasopressors",
          "met": false
        },
        {
          "factor": "decreased_consciousness",
          "met": false
        },
        {
          "factor": "pfr_lt_300",
          "met": false
        },
        {
          "factor": "oliguria_or_creatinine_gt_2",
          "met": false
        },
        {
          "factor": "pt_inr_gt_1_5",
          "met": false
        },
        {
          "factor": "platelets_lt_100k",
          "met": false
        },
        {
          "factor": "wbc_gt_18000",
          "met": false
        },
        {
          "factor": "palpable_tender_ruq_mass",
          "met": false
        },
        {
          "factor": "duration_gt_72h",
          "met": false
        },
        {
          "factor": "marked_local_inflammation",
          "met": false
        }
      ],
      "diagnosis": "none",
      "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": "tokyo_cholecystitis",
      "formula_expression": "definite iff local_signs and systemic_signs and imaging_findings; suspected iff local_signs and systemic_signs without imaging_findings; else none. local_signs iff murphy or ruq_mass_pain_tenderness; systemic_signs iff fever or elevated_crp or elevated_wbc. When diagnosis is suspected or definite: grade_iii if any organ-dysfunction flag (hypotension_vasopressors, decreased_consciousness, pfr_lt_300, oliguria_or_creatinine_gt_2, pt_inr_gt_1_5, platelets_lt_100k), else grade_ii if any Grade II flag (wbc_gt_18000, palpable_tender_ruq_mass, duration_gt_72h, marked_local_inflammation), else grade_i. When diagnosis is none, severity is none (Yokoe 2018 TG18 = TG13 unmodified)",
      "severity": "none"
    },
    {
      "citation": {
        "authors": "Yokoe M, Hata J, Takada T, et al.",
        "doi": "10.1002/jhbp.515",
        "id": "yokoe-2018",
        "pmid": "29032636",
        "source": "J Hepatobiliary Pancreat Sci. 2018;25(1):41-54",
        "title": "Tokyo Guidelines 2018: diagnostic criteria and severity grading of acute cholecystitis (with videos)."
      },
      "criteria": [
        {
          "factor": "local_signs",
          "met": false
        },
        {
          "factor": "systemic_signs",
          "met": false
        },
        {
          "factor": "imaging_findings",
          "met": false
        },
        {
          "factor": "grade_iii_any",
          "met": false
        },
        {
          "factor": "grade_ii_any",
          "met": false
        },
        {
          "factor": "murphy",
          "met": false
        },
        {
          "factor": "ruq_mass_pain_tenderness",
          "met": false
        },
        {
          "factor": "fever",
          "met": false
        },
        {
          "factor": "elevated_crp",
          "met": false
        },
        {
          "factor": "elevated_wbc",
          "met": false
        },
        {
          "factor": "hypotension_vasopressors",
          "met": false
        },
        {
          "factor": "decreased_consciousness",
          "met": false
        },
        {
          "factor": "pfr_lt_300",
          "met": false
        },
        {
          "factor": "oliguria_or_creatinine_gt_2",
          "met": false
        },
        {
          "factor": "pt_inr_gt_1_5",
          "met": false
        },
        {
          "factor": "platelets_lt_100k",
          "met": false
        },
        {
          "factor": "wbc_gt_18000",
          "met": false
        },
        {
          "factor": "palpable_tender_ruq_mass",
          "met": false
        },
        {
          "factor": "duration_gt_72h",
          "met": false
        },
        {
          "factor": "marked_local_inflammation",
          "met": false
        }
      ],
      "diagnosis": "none",
      "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": "tokyo_cholecystitis",
      "formula_expression": "definite iff local_signs and systemic_signs and imaging_findings; suspected iff local_signs and systemic_signs without imaging_findings; else none. local_signs iff murphy or ruq_mass_pain_tenderness; systemic_signs iff fever or elevated_crp or elevated_wbc. When diagnosis is suspected or definite: grade_iii if any organ-dysfunction flag (hypotension_vasopressors, decreased_consciousness, pfr_lt_300, oliguria_or_creatinine_gt_2, pt_inr_gt_1_5, platelets_lt_100k), else grade_ii if any Grade II flag (wbc_gt_18000, palpable_tender_ruq_mass, duration_gt_72h, marked_local_inflammation), else grade_i. When diagnosis is none, severity is none (Yokoe 2018 TG18 = TG13 unmodified)",
      "severity": "none"
    }
  ],
  "path": "/api/calc/tokyo_cholecystitis"
}

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/tokyo_cholecystitis' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"decreased_consciousness":false,"duration_gt_72h":false,"elevated_crp":false,"elevated_wbc":false,"fever":false,"hypotension_vasopressors":false,"imaging_findings":false,"marked_local_inflammation":false,"murphy":false,"oliguria_or_creatinine_gt_2":false,"palpable_tender_ruq_mass":false,"pfr_lt_300":false,"platelets_lt_100k":false,"pt_inr_gt_1_5":false,"ruq_mass_pain_tenderness":false,"wbc_gt_18000":false},{"decreased_consciousness":false,"duration_gt_72h":false,"elevated_crp":false,"elevated_wbc":false,"fever":false,"hypotension_vasopressors":false,"imaging_findings":false,"marked_local_inflammation":false,"murphy":false,"oliguria_or_creatinine_gt_2":false,"palpable_tender_ruq_mass":false,"pfr_lt_300":false,"platelets_lt_100k":false,"pt_inr_gt_1_5":false,"ruq_mass_pain_tenderness":false,"wbc_gt_18000":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/tokyo_cholecystitis' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"decreased_consciousness":false,"duration_gt_72h":false,"elevated_crp":false,"elevated_wbc":false,"fever":false,"hypotension_vasopressors":false,"imaging_findings":false,"marked_local_inflammation":false,"murphy":false,"oliguria_or_creatinine_gt_2":false,"palpable_tender_ruq_mass":false,"pfr_lt_300":false,"platelets_lt_100k":false,"pt_inr_gt_1_5":false,"ruq_mass_pain_tenderness":false,"wbc_gt_18000":false},{"decreased_consciousness":false,"duration_gt_72h":false,"elevated_crp":false,"elevated_wbc":false,"fever":false,"hypotension_vasopressors":false,"imaging_findings":false,"marked_local_inflammation":false,"murphy":false,"oliguria_or_creatinine_gt_2":false,"palpable_tender_ruq_mass":false,"pfr_lt_300":false,"platelets_lt_100k":false,"pt_inr_gt_1_5":false,"ruq_mass_pain_tenderness":false,"wbc_gt_18000":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%2Ftokyo_cholecystitis&method=POST
const res = await pay("https://api.magentlab.com/api/calc/tokyo_cholecystitis", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "decreased_consciousness": false,
        "duration_gt_72h": false,
        "elevated_crp": false,
        "elevated_wbc": false,
        "fever": false,
        "hypotension_vasopressors": false,
        "imaging_findings": false,
        "marked_local_inflammation": false,
        "murphy": false,
        "oliguria_or_creatinine_gt_2": false,
        "palpable_tender_ruq_mass": false,
        "pfr_lt_300": false,
        "platelets_lt_100k": false,
        "pt_inr_gt_1_5": false,
        "ruq_mass_pain_tenderness": false,
        "wbc_gt_18000": false
      },
      {
        "decreased_consciousness": false,
        "duration_gt_72h": false,
        "elevated_crp": false,
        "elevated_wbc": false,
        "fever": false,
        "hypotension_vasopressors": false,
        "imaging_findings": false,
        "marked_local_inflammation": false,
        "murphy": false,
        "oliguria_or_creatinine_gt_2": false,
        "palpable_tender_ruq_mass": false,
        "pfr_lt_300": false,
        "platelets_lt_100k": false,
        "pt_inr_gt_1_5": false,
        "ruq_mass_pain_tenderness": false,
        "wbc_gt_18000": 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/tokyo_cholecystitis",
        json={
            "items": [
                {
                    "decreased_consciousness": False,
                    "duration_gt_72h": False,
                    "elevated_crp": False,
                    "elevated_wbc": False,
                    "fever": False,
                    "hypotension_vasopressors": False,
                    "imaging_findings": False,
                    "marked_local_inflammation": False,
                    "murphy": False,
                    "oliguria_or_creatinine_gt_2": False,
                    "palpable_tender_ruq_mass": False,
                    "pfr_lt_300": False,
                    "platelets_lt_100k": False,
                    "pt_inr_gt_1_5": False,
                    "ruq_mass_pain_tenderness": False,
                    "wbc_gt_18000": False,
                },
                {
                    "decreased_consciousness": False,
                    "duration_gt_72h": False,
                    "elevated_crp": False,
                    "elevated_wbc": False,
                    "fever": False,
                    "hypotension_vasopressors": False,
                    "imaging_findings": False,
                    "marked_local_inflammation": False,
                    "murphy": False,
                    "oliguria_or_creatinine_gt_2": False,
                    "palpable_tender_ruq_mass": False,
                    "pfr_lt_300": False,
                    "platelets_lt_100k": False,
                    "pt_inr_gt_1_5": False,
                    "ruq_mass_pain_tenderness": False,
                    "wbc_gt_18000": 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

When	Result	HTTP	Time	Price
2 h ago	Passed	402	356 ms	$0.007
7 h ago	Passed	402	494 ms	$0.007
12 h ago	Passed	402	157 ms	$0.007
16 h ago	Passed	402	152 ms	$0.007
21 h ago	Passed	402	164 ms	$0.007

Show 10 older checks

25 h ago	Passed	402	450 ms	$0.007
30 h ago	Passed	402	464 ms	$0.007
34 h ago	Passed	402	230 ms	$0.007
38 h ago	Passed	402	156 ms	$0.007
42 h ago	Passed	402	287 ms	$0.007
46 h ago	Passed	402	216 ms	$0.007
2 days ago	Passed	402	333 ms	$0.007
2 days ago	Passed	402	785 ms	$0.007
2 days ago	Passed	402	223 ms	$0.007
3 days ago	Passed	402	165 ms	$0.007

History

11 Oct 2026	Price changed from $0.005 to $0.007

Trust score 71/ 100

Availability (30-day uptime)		30 / 30
Valid x402 challenge		15 / 15
Response time		10 / 10
Real paying agents (30 days)		6 / 15
Charges what it lists		0 / 10
Security scan		10 / 10
Verified owner		0 / 10

How the score works

Payment terms

Price: $0.007 per call
Listed at: $0.005 (charges more)
Token: USDC
Networks: Base
Pays to: 0x836B…9Ee2

Real usage

Paying agents: 3 in 30 days
Paid calls: 6 in 30 days
Last paid call: 3 days ago

Source: x402 Bazaar settlement data.

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Trust score

[![ToolVet trust score](https://toolvet.app/badge/calc-tokyo-cholecystitis.svg)](https://toolvet.app/s/calc-tokyo-cholecystitis)