82trust / 100
Histor Check
by AIMarket in Markets & finance
x402 APIPassing, checked 2 min ago
HISTOR pre-flight for an MCP server: its signed record in the HISTOR transparency log — when the tool set was first seen, whether it changed, what the pattern scan found. Never contacts the server asked about.
POST https://modelmarket.dev/x402/histor-check
Last 30 days
All checks passedSome failedAll failedNot checked
- Uptime
- 100%
- Response time
- 107 ms typical, 391 ms slowest 5%
- Last check
- 2 min ago
- Next check
- in 30 min
How to call it
# See the payment challenge (nothing is charged)
curl -i -X POST "https://modelmarket.dev/x402/histor-check" \
-H "content-type: application/json" \
-d '{"endpoint":"https://mcp.redu.cloud/mcp"}'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%2Fmodelmarket.dev%2Fx402%2Fhistor-check
const res = await pay("https://modelmarket.dev/x402/histor-check", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({"endpoint":"https://mcp.redu.cloud/mcp"}),
});
console.log(await res.json());Example input
{
"endpoint": "https://mcp.redu.cloud/mcp"
}Example output
{
"check": {
"match": "no-digest",
"target": {
"name": "cloud.redu/mcp"
},
"type": "histor.check/v1"
},
"service": "histor-check",
"status": "ok"
}Security scan
- No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 2 min ago | Passed | 402 | 107 ms | $0.001 |
| 3 h ago | Passed | 402 | 391 ms | $0.001 |
| 6 h ago | Passed | 402 | 548 ms | $0.001 |
| 11 h ago | Passed | 402 | 106 ms | $0.001 |