ToolVet
75trust / 100

Micro Inspection Station Selection

by Inspection station selection in Security & trust

x402 APIPassing, checked 3 h ago

Exact minimum-cost set cover over at most 12 stations and 16 declared requirements. Enumerates at most 4,095 nonempty subsets; breaks equal costs by station count then sorted keys. Reports infeasible coverage explicitly. Coverage and costs are caller declarations, not field verification.

POST
https://www.mahastrategies.com/api/v1/micro/inspection-station-selection
Price
$0.118
per call in USDC
Uptime
100%
last 30 days
Response time
464 ms
1.5 s slowest 5%
Last check
Passed
3 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

How to call it

POST https://www.mahastrategies.com/api/v1/micro/inspection-station-selection

Each call costs $0.118 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://www.mahastrategies.com/api/v1/micro/inspection-station-selection
content-type: application/json

{
  "dataClass": "synthetic",
  "requirements": [
    "visual",
    "dimension"
  ],
  "stations": [
    {
      "costMicros": 7,
      "covers": [
        "visual",
        "dimension"
      ],
      "key": "combined"
    },
    {
      "costMicros": 3,
      "covers": [
        "visual"
      ],
      "key": "camera"
    },
    {
      "costMicros": 3,
      "covers": [
        "dimension"
      ],
      "key": "gauge"
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
dataClassstringYes One of: public, synthetic.
requirementsarrayYes
stationsarrayYes

Example response

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

{
  "amountBaseUnits": "118000",
  "boundaries": [
    "Public or synthetic inputs only. Caller labels are declarations,…"
  ],
  "inputDigest": "sha256:627bf1d884b52ec2fe4bb94841fac227372e9b32efb9294f39644d01d…",
  "offerId": "inspection-station-selection",
  "receiptDigest": "sha256:c0c80db775dda5e8fdde3811f32f561568452cb1092683c8ae4390493…",
  "result": {
    "dataClass": "synthetic",
    "declaredCoverageOnly": true,
    "feasible": true,
    "method": "exact-subset-enumeration; min-cost-then-count-then-lex",
    "selected": [
      "camera",
      "gauge"
    ],
    "subsetsExamined": 7,
    "totalCostMicros": 6,
    "uncovered": []
  },
  "version": "maha-microproducts/0.1"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.118.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://www.mahastrategies.com/api/v1/micro/inspection-station-selection' \
  -H 'content-type: application/json' \
  --data-raw '{"dataClass":"synthetic","requirements":["visual","dimension"],"stations":[{"costMicros":7,"covers":["visual","dimension"],"key":"combined"},{"costMicros":3,"covers":["visual"],"key":"camera"},{"costMicros":3,"covers":["dimension"],"key":"gauge"}]}'

# 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://www.mahastrategies.com/api/v1/micro/inspection-station-selection' \
  -H 'content-type: application/json' \
  --data-raw '{"dataClass":"synthetic","requirements":["visual","dimension"],"stations":[{"costMicros":7,"covers":["visual","dimension"],"key":"combined"},{"costMicros":3,"covers":["visual"],"key":"camera"},{"costMicros":3,"covers":["dimension"],"key":"gauge"}]}' \
  | 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 $0.118 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.118" });
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 $0.118 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fwww.mahastrategies.com%2Fapi%2Fv1%2Fmicro%2Finspection-station-selection&method=POST
const res = await pay("https://www.mahastrategies.com/api/v1/micro/inspection-station-selection", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "dataClass": "synthetic",
    "requirements": [
      "visual",
      "dimension"
    ],
    "stations": [
      {
        "costMicros": 7,
        "covers": [
          "visual",
          "dimension"
        ],
        "key": "combined"
      },
      {
        "costMicros": 3,
        "covers": [
          "visual"
        ],
        "key": "camera"
      },
      {
        "costMicros": 3,
        "covers": [
          "dimension"
        ],
        "key": "gauge"
      }
    ]
  }),
});
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 $0.118 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.118"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://www.mahastrategies.com/api/v1/micro/inspection-station-selection",
        json={
            "dataClass": "synthetic",
            "requirements": [
                "visual",
                "dimension",
            ],
            "stations": [
                {
                    "costMicros": 7,
                    "covers": [
                        "visual",
                        "dimension",
                    ],
                    "key": "combined",
                },
                {
                    "costMicros": 3,
                    "covers": [
                        "visual",
                    ],
                    "key": "camera",
                },
                {
                    "costMicros": 3,
                    "covers": [
                        "dimension",
                    ],
                    "key": "gauge",
                },
            ],
        },
    )
    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

WhenResultHTTPTimePrice
3 h agoPassed402312 ms$0.118
7 h agoPassed402464 ms$0.118
11 h agoPassed402370 ms$0.118
15 h agoPassed402566 ms$0.118
19 h agoPassed4021.5 s$0.118
Show 10 older checks
22 h agoPassed402467 ms$0.118
26 h agoPassed402538 ms$0.118
30 h agoPassed402385 ms$0.118
34 h agoPassed402478 ms$0.118
37 h agoPassed402233 ms$0.118
41 h agoPassed402516 ms$0.118
44 h agoPassed402436 ms$0.118
2 days agoPassed402383 ms$0.118
2 days agoPassed4021.7 s$0.118
2 days agoPassed402509 ms$0.118