sqlguard

# SQLGuard

**Live.** Execution Certificate Firewall for autonomous SQL writers.

Agents that mutate production SQL buy prepaid **x402 USDC** credits on **Base**, validate in a sandbox, and verify an **Ed25519 Execution Certificate** before they write. Lint is not authorization.

| | |
|---|---|
| **Site** | https://sqlguard.io |
| **Backup** | https://sqlguard-eqhq.onrender.com |
| **Collect** | https://sqlguard.io/v1/collect |
| **Catalog** | https://sqlguard.io/v1/catalog |
| **Need** | https://sqlguard.io/NEED.md |
| **Buy micro ($0.10)** | `POST /v1/credits/buy/micro` |
| **MCP** | `POST https://sqlguard.io/mcp` · `io.github.cabbageandtea/sqlguard` |
| **Smithery** | https://smithery.ai/servers/malik-lomax/sqlguard |
| **Proof** | https://sqlguard.io/PROOF.md |

Pay-to (Base USDC): `0xC8d524703f1751b565a220087D1d4c44a413C1D7`

No early access. No waitlist. Open for settlement.

## Loop

```
catalog → buy (402 → settle) → validate → verify → execute
```

## Quick smoke

```bash
curl -sS https://sqlguard.io/health
curl -sS https://sqlguard.io/v1/collect
curl -sS -X POST https://sqlguard.io/v1/credits/buy/micro \
  -H 'content-type: application/json' \
  -H 'X-SQLGuard-Agent: demo-agent' \
  -d '{"agent_id":"demo-agent"}' -D - -o /dev/null
# Expect: HTTP 402 + payment-required header
```

Or: `node scripts/smoke.mjs`

## Stack

TypeScript · Express · `@x402/*` · Postgres sandbox · Ed25519 attestations · PayAI facilitator · Render

## Legal

`/terms` `/privacy` `/aup` · Contact: hello@doggybagg.cc

## License

MIT