Brief Check

Last 30 days

Uptime

100%

Response time

351 ms typical, 451 ms slowest 5%

Last check

2 h ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://keystone-opportunity-api.keystone-opportunity.workers.dev/v1/brief-check" \
  -H "content-type: application/json" \
  -d '{"brief":"Deliverable: submit report.md within 24 hours. Acceptance: include three cited findings. Constraints: no confidential data."}'

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fkeystone-opportunity-api.keystone-opportunity.workers.dev%2Fv1%2Fbrief-check
const res = await pay("https://keystone-opportunity-api.keystone-opportunity.workers.dev/v1/brief-check", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"brief":"Deliverable: submit report.md within 24 hours. Acceptance: include three cited findings. Constraints: no confidential data."}),
});
console.log(await res.json());

Example input

{
  "brief": "Deliverable: submit report.md within 24 hours. Acceptance: include three cited findings. Constraints: no confidential data."
}

Example output

{
  "characters": 121,
  "checks": [
    {
      "id": "deliverable",
      "message": "Name the exact file, artifact, or outcome to deliver.",
      "passed": true
    }
  ],
  "ready": false,
  "score": 80
}

Security scan

• No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks