Calibration Court · Recalibrate

Paid (x402, USDC on Base). Map a model's raw probability to an empirically calibrated one using resolved outcomes on the ledger. Refuses wit

price

0.010 USDC

rail

Base

facilitator

OMNIGATE

method

POST

endpoint https://mcp-x402.onrender.com/gate/calibration-court/api/v1/recalibrate

payTo 0x5bbd32e0478e49a7540ef2d760e0b0f9aa6328b2

asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

indexed 2026-10-25T20:10:49.000Z

Live 402 challenge

Hits the real endpoint without paying and shows exactly what it demands. Nothing is charged.

Pay from your agent

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

const signer = privateKeyToAccount(process.env.BUYER_PRIVATE_KEY);
const pay = wrapFetchWithPayment(fetch, { schemes: [{ network: "eip155:8453", client: new ExactEvmScheme(signer) }] });

const res = await pay("https://mcp-x402.onrender.com/gate/calibration-court/api/v1/recalibrate", { method: "POST", headers: { "content-type": "application/json" }, body: JSON.stringify({ "model": "example-model", "prob": 0.72 }) });
console.log(await res.json(), res.headers.get("PAYMENT-RESPONSE"));

Example input

{
  "model": "example-model",
  "prob": 0.72
}

Example output

{
  "model": "example-model",
  "task_type": null,
  "attestation": "first_party",
  "p_raw": 0.72,
  "p_calibrated": 0.64,
  "ci95": [
    0.58,
    0.7
  ],
  "support_n": 120,
  "sample_n": 342,
  "status": "ok"
}