ToolVet
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Sql Guard

by SQL execution certificate in Developer tools

x402 APIPassing, checked 4 h ago

Review a SQL statement before running it against production: a pass / warn / block verdict naming concrete risks (unbounded UPDATE or DELETE, tautological WHERE, DROP, TRUNCATE, statement stacking, privilege changes, catalog writes) and, on pass, an Ed25519 certificate bound to the statement's SHA-256 that a database layer can verify before executing. Use it as the last check between an agent and a destructive query.

POST https://agent402.tools/api/sql-guard

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
200 ms typical, 200 ms slowest 5%
Last check
4 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://agent402.tools/api/sql-guard" \
  -H "content-type: application/json" \
  -d '{"sql":"UPDATE users SET plan = 'pro' WHERE id = 42"}'
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%2Fagent402.tools%2Fapi%2Fsql-guard
const res = await pay("https://agent402.tools/api/sql-guard", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"sql":"UPDATE users SET plan = 'pro' WHERE id = 42"}),
});
console.log(await res.json());

Example input

{
  "sql": "UPDATE users SET plan = 'pro' WHERE id = 42"
}

Example output

{
  "certificate": {
    "expiresAt": "2026-07-28T20:05:00Z",
    "token": "eyJ2Ijox….signature"
  },
  "mutating": true,
  "risks": [],
  "sha256": "635cf20a…",
  "statementCount": 1,
  "verdict": "pass"
}

Security scan

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

Recent checks

WhenResultHTTPTimePrice
4 h agoPassed402200 ms$0.004